Archive: August 2008

Gustav Closing in on Louisiana Strike

Gustav satellite image at 11 p.m. Sunday night. Courtesy NASA. Overnight Storm Monitoring: Latest satellite | Latest radar | Interactive Tracking Map The 11 p.m. update from the National Hurricane Center indicates Hurricane Gustav remains a low-end Category 3 storm with maximum winds of 115 mph. Gustav has become somewhat...

By Jason Samenow | August 31, 2008; 11:30 PM ET | Comments (8)

Gustav Set to Engulf Louisiana

Satellite image of Gustav. Courtesy University of Wisconsin-Madison SSEC. Hurricane warnings are in place, evacuations have been ordered, and we are left to watch as Hurricane Gustav bears down on the coast of central and southeast Louisiana. Already, some of Gustav's outer rain bands are coming ashore. If there's any...

By Jason Samenow | August 31, 2008; 5:00 PM ET | Comments (30)

Forecast: Fantastic Foreseeable Future

By Brian Jackson A stretch of very nice weather takes hold of our region today, just in time to salvage the remainder of the long weekend. This sunny, warm weather will dominate the mid-Atlantic landscape through the coming week. Still, for all of our fortunes, we should keep a wary...

By Brian Jackson | August 31, 2008; 5:00 AM ET | Comments (8)

NatCast: Sunday Sunshine

Nationals vs. BravesToday, 1:35 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain85F86FSunny, warm20% It will be very warm in the sun, but fortunately humidity levels will be lower than yesterday. Hydrate and enjoy the game.   NatCast appears on the day of every Nationals home game. Also, see our...

By Jason Samenow | August 31, 2008; 5:00 AM ET | Comments (0)

Category 4 Gustav Heads for Gulf

U.S. landfall expected late Monday or early Tuesday Forecast track for Hurricane Gustav as of 11 a.m. today from the National Hurricane Center. Yesterday was the third anniversary of Hurricane Katrina's landfall along the Louisiana-Mississippi coast. And it is with that memory in mind that preprations are taking place today...

By Dan Stillman | August 30, 2008; 1:50 PM ET | Comments (36)

Forecast: Shower Chance Saturday, Sunny Sunday

Lovely Labor Day Over the last several days, the metro area picked up roughly 0.7-1.2" of much-needed rain - with locally higher amounts. Today, we get one last chance to reduce the August rainfall deficit. But unless we receive a completely unexpected deluge, today's widely scattered showers won't close the...

By Jason Samenow | August 30, 2008; 5:00 AM ET | Comments (3)

UnitedCast: Clouds Should Clear

United vs. New York Red BullsTonight, 7:30 p.m., RFK Stadium KickoffFinal WhistleWeatherChance of Rain76F73FClearing15%With the cold front in our week, any rain should end before the game. Look for decreasing clouds and temperatures generally in the mid 70s.   UnitedCast appears on the day of every United home game....

By Jason Samenow | August 30, 2008; 5:00 AM ET | Comments (1)

NatCast: Probably Pleasant

Nationals vs. BravesTonight, 7:10 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain77F74FDecreasing Clouds20% Any shower activity should end very early in the game or before it starts. Temperatures should generally be in the mid-to-upper 70s.   NatCast appears on the day of every Nationals home game. Also, see our...

By Jason Samenow | August 30, 2008; 5:00 AM ET | Comments (0)

Gustav on the Brink of Explosive Development

Gustav satellite image at 11 a.m. Courtesy NOAA. 6:00 p.m. update: Gustav continues to intensify and is now a hurricane. Additional strengthening is likely over the next day or so. Chief meteorologist Jeff Masters at Wunderground advises: "It's Time to Leave New Orleans"... From earlier: Over the past 48 hours...

By Jason Samenow | August 29, 2008; 6:00 PM ET | Comments (146)

PM Update: Gray Skies and Damp Conditions

Warmer Saturday, still unsettled Another cloudy and damp day has unfolded across the region. Most of the heavier showers are now departing the area to the northeast, but some spotty rain and drizzle is still possible this afternoon and evening. High temperatures are ranging from the upper 60s to mid...

By Ian Livingston | August 29, 2008; 3:15 PM ET | Comments (4)

Forecast: Dank & Damp Giving Way to Delightful

Partly to mostly cloudy skies along with a chance of showers and storms will pester us through Saturday night. A pesky easterly flow keeping it dismal at times today into tomorrow morning. But fortunes change on Sunday. We turn back on the sunshine, warmer temperatures and lower humidity. Here's to...

By Camden Walker | August 29, 2008; 5:00 AM ET | Comments (7)

BeachCast: Suspect Start to Holiday, Strong Finish

Labor Day Weekend at the Delaware and Maryland beaches will be neither a washout nor a scorcher. Instead, it'll be marked by a cloudy and cool start today and early tomorrow, followed by a warmer, sunny finish come Sunday and Monday. Keep reading for the BeachCast details. Also, see our...

By Dan Stillman | August 29, 2008; 5:00 AM ET | Comments (2)

Natcast: Mild, Humid with a Chance of Showers

Nationals vs. BravesTonight, 7:35 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain75F72FCloudy with shower?20% Skies are likely to stay overcast, humidity moderate and temperatures cool. Slight chance of a shower, too.   NatCast appears on the day of every Nationals home game. Also, see our full forecast through early...

By Camden Walker | August 29, 2008; 5:00 AM ET | Comments (0)

Cool Tools for 'Canes

By Ann Posegate "How strong is a hurricane? Just listen." Besides reconnaissance flights and ocean buoys, there may be potential to measure the strength of hurricanes by listening to their sound deep under the ocean surface. Leave it to MIT to develop underwater microphones (hydrophones) that make it "possible to...

By Jason Samenow | August 28, 2008; 6:30 PM ET | Comments (4)

PM Update: Isolated Showers, Continued Cool

Warmer, some sun on Friday Clouds and rain that dominated much of the morning have let up a bit this afternoon as some showers continue to dot the area, especially across western sections. Highs have reached the upper 60s and low 70s thus far, and some more warming is possible...

By Ian Livingston | August 28, 2008; 3:15 PM ET | Comments (3)

When Hurricane Carol Came Calling

I've been a weather nut for as long as I can remember (could you tell?). I recall -- with some reminding by my parents -- becoming overly excited at the age of five or six by snowstorms. I saw my fair share of them growing up in Brockton, Mass., about...

By Steve Tracton | August 28, 2008; 1:15 PM ET | Comments (6)

Gustav Grows Again; Hello Hanna

Satellite image of tropical storms Gustav (left) and Hanna (right). Courtesy NOAA After taking a serious beating over mountainous Haiti, Gustav has recovered remarkably over the deep, warm waters of the northwest Caribbean. In 12 hours, it has strengthened from minimal tropical storm to near-hurricane intensity. While intensifying, Gustav shifted...

By Jason Samenow | August 28, 2008; 11:00 AM ET | Comments (14)

Forecast: Overcast, Showery End to the Week

More sun, warmer weather expected this weekend With the area of low pressure related to the remnants of Fay spinning to our south and west, we can expect plenty of clouds over the next 36 hours along with periodic showers -- especially to the west of DC. However, this precipitation...

By Josh Larson | August 28, 2008; 5:00 AM ET | Comments (13)

SkinsCast: Cool With Decreasing Shower Chances

Updated: 4:40 p.m. Redskins vs. Jaguars (Preseason)Thursday, 7 p.m., FedEx Field Kickoff2-Min WarningWeatherChance of Precip.69F66FMostly Cloudy45%The chance of showers will be diminishing this evening, but still a few light showers or drizzle is a possibility, so you may want an umbrella on hand just in case. It'll be rather cool,...

By Dan Stillman | August 28, 2008; 5:00 AM ET | Comments (1)

NatCast: To Rain or Not to Rain

Update: 4:45 p.m. Nationals vs. DodgersTonight, 7:10 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain72F69FCloudy; showers?45%Precipitation chances will be decreasing this evening, but some light showers or drizzle may still be around, so you might want to have the umbrella just in case. You'll definitely want a light jacket considering...

By Josh Larson | August 28, 2008; 5:00 AM ET | Comments (0)

PM Update: Showers to Finally Arrive?

More clouds, chance of showers, Thursday Cloudy, cool conditions continue today as highs reach the mid-to-upper 70s downtown and to the north and east, and low-to-mid 70s south and west of town. The rainy remnants of Tropical Storm Fay have lurked to the south and west all day, but so...

By Ian Livingston | August 27, 2008; 3:15 PM ET | Comments (21)

Free Radicals! (and Lung Cancer)

Wx and the City By Ann Posegate Free radicals! Free radicals! No, I'm not talking about the 100+ protestors who were arrested outside the Democratic National Convention in Denver on Monday. I'm referring to atoms and molecules that can cause lung cancer. As if we didn't have enough environmental health...

By Capital Weather Gang | August 27, 2008; 1:00 PM ET | Comments (11)

Gustav: Katrina Reincarnated?

One model projection on August 31, 2008 for Gustav (left, courtesy Penn State). A satellite image of Hurricane Katrina on August 28, 2005 (right, courtesy NASA). For the record, it is much too early to speculate about where Tropical Storm Gustav -- which at 11 a.m. was west of Haiti...

By Jason Samenow | August 27, 2008; 11:00 AM ET | Comments (33)

Forecast: Will Fay Fulfill Forecast Fantasy?

Fantasy Forecast: The remnants of Fay bring gentle, soaking rains today and tomorrow, wiping out this month's precipitation shortfall -- so far this August, National Airport has seen only 20% of its typical rainfall. Then, sunshine and comfortable warmth take hold for Friday and the holiday weekend. Oh, you want...

By Dan Stillman | August 27, 2008; 5:00 AM ET | Comments (18)

NatCast: Kinda Cool ... Showers?

Updated: 3:25 p.m. Nationals vs. DodgersTonight, 7:10 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain73F69FMostly Cloudy40%Some light showers are possible but not definite. Steadier, heavier rain capable of forcing a delay or rain out is unlikey.   NatCast appears on the day of every Nationals home game. Also, see our...

By Dan Stillman | August 27, 2008; 5:00 AM ET | Comments (0)

PM Update: Cool and Somewhat Cloudy

Increasing odds of showers Wednesday Cooler and drier air has settled into the area for the time being, and highs in the upper 70s to near 80 today are more comparable to averages for mid-September. Cloudiness that held tough through much of the morning has broken a bit this afternoon....

By Ian Livingston | August 26, 2008; 3:30 PM ET | Comments (4)

Gustav Could Become a Giant

Gustav officially became a hurricane early this morning, and its eye made landfall on the southwest peninsula of Haiti shortly after 1 p.m. At 2 p.m., Gustav was a Category 1 storm with maximum sustained winds near 90 mph. Hype about this storm is already buzzing around the blogosphere... The...

By Jason Samenow | August 26, 2008; 2:00 PM ET | Comments (116)

McCain, Obama: No More 'Wishy-Washy' Forecasts

Presumptive nominees unite; weather forecasters worried DO-I-HAVE-TO-DECIDE '08 DENVER, Aug. 25 -- In an unprecedented show of campaign bipartisanship, Sens. John McCain and Barack Obama unveiled Monday a joint plan to do away with "wishy-washy" weather forecasts on TV, radio and the Internet. Speaking together at the Democratic National Convention,...

By Dan Stillman | August 26, 2008; 10:45 AM ET | Comments (8)

Forecast: A Winning Ticket -- Sun and Rain?

Nice today, then after a long delay, the remnants of Fay Yes, today is forecast to be a wonderful addition to our week with low humidity, cool northerly breezes, highs only near 80, and partly sunny skies. But the big item on the agenda is a chance to snap the...

By Matt Rogers | August 26, 2008; 10:30 AM ET | Comments (11)

NatCast: Nice Night

Nationals vs. PhilliesTonight, 7:10 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain86F78FWarm summer night5% Weather will not be an impediment as Nats go for second win against Phils.   NatCast appears on the day of every Nationals home game. Also, see our full forecast through the weekend....

By Matt Rogers | August 26, 2008; 5:00 AM ET | Comments (0)

PM Update: Heat Today, Gone Tomorrow

September-like conditions return Tuesday Under variable clouds today, temperatures have risen into the upper 80s and low 90s across the area. This is day 28 of 90 degrees or higher at National Airport, very near our June-August average. For the rest of the afternoon, skies will stay partly to mostly...

By Ian Livingston | August 25, 2008; 3:15 PM ET | Comments (10)

Freedman: Coalition Advises Candidates on Climate

A coalition of earth science organizations representing thousands of scientists recently did something that you don't often see scientists do: they publicly united to deliver a challenge to political leaders in the midst of a heated political season. By calling for weather and climate research to be a higher priority...

By Andrew Freedman | August 25, 2008; 10:30 AM ET | Comments (4)

Forecast: Rain Chances Ramp Up

Our 10-day dry streak has a one-in-three chance of ending today when a passing cold front possibly scatters some afternoon showers and thunderstorms in the metro region. If we don't manage to receive any rain today, odds increase Wednesday-Friday as Fay's remnants may gradually drift into our area. The way...

By Jason Samenow | August 25, 2008; 5:00 AM ET | Comments (9)

Photography: Williamsburg Weather

A Williamsburg windmill on a bright, sunny morning last week. Colonial Virginians depended on local mills to grind grain to make their bread. Williamsburg is a great place to visit if you love history, golf, and roller coasters, and it has been one of my favorite vacation spots for years....

By Kevin Ambrose | August 24, 2008; 11:00 AM ET | Comments (7)

Forecast: Dry and Warm Doldrums

Rainy change on the horizon? By Brian Jackson While it's more of the same dry weather today, we may find some meaningful rain in our future. Tropical moisture, from the remnants of Fay, will likely hitch a ride along some upper level winds and head our way Wednesday into Thursday....

By Brian Jackson | August 24, 2008; 5:00 AM ET | Comments (1)

75 Years Since Chesapeake Potomac Hurricane

Rainfall amounts from the 1933 Chesapeake Potomac Hurricane. Courtesy NOAA/Paul Kocin. [Today] marks the 75th anniversary of the Chesapeake and Potomac Hurricane, one of the Mid-Atlantic region's most destructive natural disasters. It struck the North Carolina Outer Banks, coming ashore with 100 mph winds, before tearing through Virginia, Maryland and...

By Jason Samenow | August 23, 2008; 12:00 PM ET | Comments (3)

Forecast: Worry-free Weekend Weather

August's dry weather pattern will hold strong through the weekend. That's a good thing for all the outdoor events happening around town, but a bad thing for moisture-starved vegetation. Some wet weather could finally return to the region next week as what's left of Fay possibly heads in our general...

By Jason Samenow | August 23, 2008; 5:00 AM ET | Comments (3)

UnitedCast: Super for Soccer

United vs. Colorado RapidsTonight, 7:30 p.m., RFK Stadium KickoffFinal WhistleWeatherChance of Rain77F73FMostly Clear5%Nice conditions tonight: moderate humidity and temperatures in the 70s.   UnitedCast appears on the day of every United home game. Also, see our full forecast through the weekend....

By Jason Samenow | August 23, 2008; 5:00 AM ET | Comments (2)

PM Update: Wash, Rinse, Repeat

Pleasant weather persists; Mild and partly sunny Saturday Summer high pressure often brings hazy, humid, and hot conditions to the area -- not this time. A long easterly fetch across the Atlantic is bringing us an afternoon with deep blue skies, mild temperatures in the mid 80s, increased but still...

By Ian Livingston | August 22, 2008; 3:15 PM ET | Comments (4)

Freedman: Hot Weather, Heated Political Rhetoric

With high gas prices this summer, a bitter political debate erupted regarding drilling for oil and gas in offshore areas in order to increase the supply of gasoline and lower prices at the pump. Since climate change is inextricably tied to how we generate and use energy, it's worth briefly...

By Andrew Freedman | August 22, 2008; 11:00 AM ET | Comments (20)

Forecast: Exceptional Eighties

Hopes for rain stay south with Fay Today will again be sunny with highs in the 80s. And dry. The whole weekend will be dry in fact. And in the 80s. Is it getting repetitive yet?! We could certainly use a little moisture from, say, the remnants of a tropical...

By Camden Walker | August 22, 2008; 5:00 AM ET | Comments (6)

PM Update: Clear Skies and Mild Temperatures

Friday ends work week on sunny and warm note Webcam: Latest view of D.C. from the Netherlands Carillon at Arlington National Cemetery. Courtesy National Park Service. Refresh page to update. Another day of haze-free blue skies and low humidity levels has unfolded across the area as highs reach into the...

By Ian Livingston | August 21, 2008; 3:15 PM ET | Comments (3)

What to Do With This Ideal Outdoor Weather

Wx and the City By Ann Posegate Wondering what to do with this unusually awesome late-summer weather? Here are some ideas... Check out a film at the Outdoor Film Festival at Strathmore any (or every) night through Sunday in North Bethesda. If you're a James Bond fan, the Crystal Screen...

By Capital Weather Gang | August 21, 2008; 1:00 PM ET | Comments (2)

Fay Just Won't Go Away

Radar-estimated precipitation from late Sunday night through Thursday morning puts rain totals as high as 15 inches (pink) along the east-central Florida coast. Courtesy National Weather Service. Which is worse? A low-grade hurricane that leaves as fast it comes? Or a tropical storm that keeps coming back for more? Many...

By Dan Stillman | August 21, 2008; 11:00 AM ET | Comments (24)

Forecast: Too Good to be True

Near-ideal August weather lingers through weekend Why do I have a nagging feeling that we're going to pay for this continued very pleasant weather (for August) with lots of 90s in September? Despite the fact that we need rain -- two-thirds of the month has passed with just 16% of...

By Josh Larson | August 21, 2008; 5:00 AM ET | Comments (29)

PM Update: Summer Delivers Nice Weather

Thursday promises more of the same Some stubborn high clouds that have covered portions of the area are now giving way to increasingly sunny skies. Highs are reaching the low 80s just about everywhere and humidity levels are way down following the passage of a cold front yesterday. The evening...

By Ian Livingston | August 20, 2008; 3:15 PM ET | Comments (8)

Flood Stories

Wx and the City By Ann Posegate While there is no flooding in sight for the Washington area (and slim chance for much-needed rain in the forecast for that matter), I still can't help but have flooding on my mind. Quite a few notable floods have occurred in the U.S....

By Capital Weather Gang | August 20, 2008; 11:00 AM ET | Comments (4)

Forecast: High Pressure Keeps Fay Away

Next few days as nice as August gets Sure, this summer has had its usual fair share of heat and humidity. But it has also been marked by several significant stretches of comfortable temperatures and refreshingly dry air. Another such stretch begins today, courtesy of a sprawling area of high...

By Dan Stillman | August 20, 2008; 5:00 AM ET | Comments (4)

PM Update: Brief Heat Begins Retreat

Mostly sunny and beautiful on Wednesday Webcam: Latest view of D.C. from the Netherlands Carillon at Arlington National Cemetery. Courtesy National Park Service. Refresh page to update. Today is day 27 of 90 degrees or higher at National Airport this year, the second such day in a row, and probably...

By Ian Livingston | August 19, 2008; 3:15 PM ET | Comments (7)

In Focus: Fay's Foggy Future

Radar: Latest southeast radar loop from the National Weather Service showing Tropical Storm Fay. Click on image to expand. Refresh page to update. As Tropical Storm Fay batters south Florida today, it has already created a legacy as a frustratingly fickle storm. Predicting both its path and power has...

By Jason Samenow | August 19, 2008; 10:00 AM ET | Comments (13)

Forecast: High and Dry

Weather to cool after today, needed rains elusive As readers have pointed out on these pages, the nice weather in the past few weeks has come at a price: drier than normal weather. Through the first two-thirds of August, Reagan National Airport is reporting a monthly rain deficit of almost...

By Matt Rogers | August 19, 2008; 5:00 AM ET | Comments (3)

PM Update: Return of Summer Heat

Sunny and hot on Tuesday During most August days, temperatures near or above 90 are nothing to mention. However, since it's been over 10 days since these readings last appeared, today's highs in the upper 80s and low 90s are somewhat newsworthy. Partly sunny skies are being accompanied by a...

By Ian Livingston | August 18, 2008; 3:15 PM ET | Comments (8)

Freedman: Hot Summers in our Future

A new study shows that in future summers, many parts of the world may experience unusually hot weather that more closely resembles conditions found today in places like Death Valley, California and the Sahara Desert in Africa. The study, published in the journal Geophysical Research Letters by a group of...

By Andrew Freedman | August 18, 2008; 11:00 AM ET | Comments (28)

Forecast: A Hint of Heat

Fay's remnants *may* bring late week rain For the first time in almost two weeks, afternoon highs should rise above 90 today. We'll have another hot one over 90 tomorrow, before 80s return for the rest of the week. While August has been somewhat cooler than average, it's also been...

By Jason Samenow | August 18, 2008; 5:00 AM ET | Comments (9)

Buses and Tornadoes Don't Mix

Tornadoes and thunderstorms in south Poland Friday killed three people and injured many others according to news reports. One of these tornadoes allegedly slammed into a bus and flipped it, but caused no serious injuries. Amazingly, the bus-tornado collision was captured on video......

By Jason Samenow | August 17, 2008; 11:30 AM ET | Comments (6)

Forecast: Warm and Dry, Again and Again

Effects from Fay on Friday? By Brian Jackson The upcoming forecast is, quite frankly, a repetitive one. I apologize beforehand for sounding like a broken record. High pressure will hold at least through Wednesday meaning sunny and warm will be the norm. Homeowners should prepare to do some heavy-duty lawn...

By Brian Jackson | August 17, 2008; 5:00 AM ET | Comments (12)

NatCast: Warm Summer Sunshine

Nationals vs. RockiesToday, 1:35 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain83F86FMostly Sunny0%It will be pretty warm sitting in the sun, but at least humidity levels will be low. Stay hydrated and enjoy the game.   NatCast appears on the day of every Nationals home game. Also, see our...

By Jason Samenow | August 17, 2008; 5:00 AM ET | Comments (0)

Fay Could Become Formidable

Storm may strike Florida Monday night and Tuesday Remember way back to Tuesday morning when I mentioned the possibility of tropical disturbance developing and affecting Florida or the Southeast next week? Well, said disturbance became Tropical Storm Fay yesterday evening near the Dominican Republic. It currently has maximum of winds...

By Jason Samenow | August 16, 2008; 4:00 PM ET | Comments (8)

Forecast: Wonderful Weekend Warmth

What a weekend to be either at the beach or just relaxing here in Washington. Rain chances are nil, the sun will shine, humidity will be held in check, and a light, pleasant breeze will blow. Summer weather doesn't get much better. TODAY (SATURDAY) Current D.C. area temperatures, courtesy Weather...

By Jason Samenow | August 16, 2008; 5:00 AM ET | Comments (2)

NatCast: Ideal Summer Spectating

Nationals vs. RockiesTonight, 7:10 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain80F75FClear0% Don't let eight straight losses keep you away, the weather is going to be awesome. No rain, comfortable humidity levels, and temperatures in the 70s...   NatCast appears on the day of every Nationals home game. Also,...

By Jason Samenow | August 16, 2008; 5:00 AM ET | Comments (1)

CommuteCast: More Scattered Showers, Storms

Gorgeous Saturday shaping up Didn't get your fill of showery/stormy weather yesterday? Fear not, you have another shot today. An approaching cold front is helping to fire up showers and thunderstorms, which will be scattered about the area into the evening. Along with heavy rain and dangerous lightning, some storms...

By Ian Livingston | August 15, 2008; 3:00 PM ET | Comments (5)

Haiku Forecast

Wx and the City By Ann Posegate Forecasts can be complicated and uncertain. So, here's your plain and simple weather report for the day: Goin' on a date? Bring an umbrella for two Thunderstorms likely. (It's ok to count the syllables...I won't be offended.) Can you Haiku the forecast too?...

By Capital Weather Gang | August 15, 2008; 11:30 AM ET | Comments (14)

Forecast: Friday Storms Before a Nice Weekend

Today will be the least desirable day of the next three. But once we get past any showers or storms this afternoon and evening, the weekend should be partly to mostly sunny and not humid, with pretty much no chance of rain. Looking to the start of next week, August's...

By Camden Walker | August 15, 2008; 11:30 AM ET | Comments (8)

Natcast: Warm, Humid, Chance of Storms

Nationals vs. RockiesTonight, 7:35 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain81F75FMostly Cloudy40% A strong shower or thunderstorm could pass through at some point, but probably not a rain out.   NatCast appears on the day of every Nationals home game. Also, see our full forecast through early next...

By Camden Walker | August 15, 2008; 5:00 AM ET | Comments (0)

CommuteCast: Numerous Showers & Storms

Warm on Friday, more storminess late? 7:00 PM: The severe thunderstorm watch has been cancelled for D.C. and locations to the west as storminess has now moved off to the east of the region. Although counties just east of D.C. remain under a watch, no additional severe weather is expected....

By Ian Livingston | August 14, 2008; 7:00 PM ET | Comments (21)

A Full-Out Effort to Forecast Olympic Weather

The success of the Beijing Olympics will be largely determined by the prowess of athletes, quality of venues and infrastructure, and the experience had by participants and spectators. But weather can be a make-or-break factor in any sporting event with an outdoor component, especially the Olympics. Rain can muddy tracks...

By Steve Tracton | August 14, 2008; 11:30 AM ET | Comments (0)

Forecast: Nothing to Complain About for August

Scattered t'storms possible today & tomorrow As Dan said yesterday, our recent stretch of "ridiculously nice" weather is coming to an end; there is no need to fret, however, as conditions over the next several days will be perfectly reasonable for this time of year with modest levels of humidity....

By Josh Larson | August 14, 2008; 5:00 AM ET | Comments (5)

NatCast: Weather a Game-Time Decision

Updated: 2:35 p.m. Nationals vs. MetsTonight, 7:10 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain81F74FThunderstorm?40%A thunderstorm is possible. Otherwise, it should be partly cloudy with temperatures dropping to the mid 70s by game's end.   NatCast appears on the day of every Nationals home game. Also, see our full forecast...

By Josh Larson | August 14, 2008; 5:00 AM ET | Comments (0)

CommuteCast: Some Showers or Storms?

More of the same on Thursday Partly sunny skies of this morning are now giving way to more in the way of clouds, while temperatures rise to highs mainly in the mid 80s. The return of a wind from the south is also bringing humidity back up to noticeable levels...

By Ian Livingston | August 13, 2008; 3:15 PM ET | Comments (5)

Is That a Snake in Your Pocket? Or...?

A python gets frisky with a Des Moines, Iowa, meteorologist making an appearance at a state fair. (Hey, what can I tell ya? This is what you get on a slow weather day.)...

By Dan Stillman | August 13, 2008; 1:00 PM ET | Comments (1)

What Weather Are You?

Wx and the City By Ann Posegate We all know that weather can affect our emotions -- we feel grumpy when it's raining, happy when it's sunny, timid when it's cold, lazy when it's hot and humid, and anxious when it's stormy. But, can weather describe your personality? If so,...

By Capital Weather Gang | August 13, 2008; 10:45 AM ET | Comments (6)

Forecast: Ridiculously Nice Weather Retreats

Humidity stays mostly in check, storm chances back My fellow CWG forecasters have used "splendid," "gold medal, "magnificent," "superb," "beautiful," "picture perfect" and "worry-free" to describe our recent stretch of ridiculously nice weather (sorry... I was feeling left out). Praise probably won't be quite so high for the rest of...

By Dan Stillman | August 13, 2008; 5:00 AM ET | Comments (12)

NatCast: Nice Temps; Uncertain Storm Chance

Nationals vs. Mets
Tonight, 7:10 p.m., Nationals Park
First Pitch9th InningWeatherChance of Rain
80F75FPassing Storm?30%
It's honestly one of those forecasts where it could be a perfectly nice night, or the stadium area to could catch a delay-causing thunderstorm. Temperatures and humidity should be quite comfortable.
 
NatCast appears on the day of every Nationals home game. Also, see our full forecast through the weekend.

By Dan Stillman | August 13, 2008; 5:00 AM ET | Comments (0)

CommuteCast: Splendid Summer Weather

Partly sunny Wednesday, shower/storm late? Webcam: Latest view of D.C. from the Netherlands Carillon at Arlington National Cemetery. Courtesy National Park Service. Refresh page to update. Superb summertime conditions continue today as mostly clear skies lead to highs largely in the mid 80s across the region. A nice breeze from...

By Ian Livingston | August 12, 2008; 3:15 PM ET | Comments (1)

Lightning Flash in Slow Motion

This video scores an 8/10 on the 'wow' factor... Lightning in Super Slow Mo - Watch more free videos [Video was recorded in Alabama.] Read about lightning safety....

By Jason Samenow | August 12, 2008; 12:30 PM ET | Comments (5)

Tropical Trouble Brewing???

The prognosticators at NOAA and Colorado State University raised projections for tropical storm activity last week, and right on cue, two new disturbances (1 and 2, shown below) may spin into storms in the tropical Atlantic. Atlantic Tropical Weather Outlook from the National Hurricane Center as of 8 a.m. today....

By Jason Samenow | August 12, 2008; 10:30 AM ET | Comments (3)

Forecast of Champions!

Gold medal weather continues Yesterday's high temperature of 81 is considered normal for September 9th, not August 11th. When you have September weather in the middle of what should be the dog days of August, then you definitely have gold medal weather. Will this winner weather continue? For the most...

By Matt Rogers | August 12, 2008; 5:00 AM ET | Comments (5)

UnitedCast: Picture Perfect

United vs. New England Revolution
Tonight, 7:30 p.m., RFK Stadium
KickoffFinal WhistleWeatherChance of Rain
78F73FClear5%
Outstanding conditions tonight: low humidity and temperatures in the 70s.
 
UnitedCast appears on the day of every United home game. Also, see our full forecast through the weekend.

By Jason Samenow | August 12, 2008; 5:00 AM ET | Comments (5)

NatCast: Worry-Free Weather

Nationals vs. Mets
Tonight, 7:10 p.m., Nationals Park
First Pitch9th InningWeatherChance of Rain
79F74FPleasant5%
Bonus baseball weather. Enjoy the game.
 
NatCast appears on the day of every Nationals home game. Also, see our full forecast through the weekend.

By Matt Rogers | August 12, 2008; 5:00 AM ET | Comments (0)

CommuteCast: Comfortably Cool

Warmer, still beautiful on Tuesday Webcam: Latest view of D.C. from the Netherlands Carillon at Arlington National Cemetery. Courtesy National Park Service. Refresh page to update. Following scattered storminess of yesterday, incredible weather for August settled back into the area today as highs now reach the upper 70s and low...

By Ian Livingston | August 11, 2008; 3:15 PM ET | Comments (2)

Freedman: In-flight Magazines and Polar Bears

Ah yes, the dog days of summer, when even the CNN news crawl seems to slow to an actual crawl. This is the time of year when it's fun to pick out a few stories that might otherwise sail past like a catamaran on the Chesapeake that I wish I...

By Andrew Freedman | August 11, 2008; 10:39 AM ET | Comments (7)

Forecast: Make Way for a Magnificent Monday

What a day to kick off the week: sunshine, low humidity and a divine breeze. Take a long lunch break for restaurant week and dine alfresco. Humidity will gradually increase this week, but should fall short of muggy. Storminess should be confined to Wednesday and perhaps Sunday. TODAY (MONDAY) Partly...

By Jason Samenow | August 11, 2008; 5:00 AM ET | Comments (5)

Thunderstorms Sweeping Through to the South

*Severe Thunderstorm Watch in Effect until 7 p.m.* 10 p.m. update: The storms ending up missing the immediate metro area (but affected areas to the south and northeast), and the cold front has passed. So open the windows and enjoy tonight's crisp, comfortable air! 4 p.m. update: Most of the...

By Jason Samenow | August 10, 2008; 10:15 PM ET | Comments (9)

Recap: July Weather was Nearly Normal

By Charlie Wilson, Guest Contributor As we take a look back at July, one thing is clear: there was little in the way of unusual weather across the region. No huge heat waves, no record cold ... just characteristic, muggy mid-summer weather. What follows is a summary of the weather...

By Capital Weather Gang | August 10, 2008; 11:05 AM ET | Comments (0)

Forecast: Unsettled Sunday Afternoon

It will feel almost spring-like today and tomorrow across our area. Temperatures barely above 80 with low humidity? Not really what one would expect during early August in the mid-Atlantic. Still we'll have a chance for storms today, despite the lack of high humidity, along and ahead of a strong...

By Brian Jackson | August 10, 2008; 5:00 AM ET | Comments (4)

Virgin Mobile Festival: Sunday Storms?

What: Virgin Mobile Festival Where: Pimlico Race Course, Baltimore When: Saturday & Sunday, 10 a.m. to 10 p.m. Temperatures on the first day of last year's Virgin Mobile Festival in Baltimore reached a sizzling, sweaty 98 degrees. Fortunately, that kind of heat is nowhere in sight this time around....

By Dan Stillman | August 9, 2008; 11:00 PM ET | Comments (3)

SkinsCast: Comfy Welcome for New Coach

Redskins vs. Bills (Preseason)
Saturday, 7 p.m., FedEx Field
Kickoff2-Min WarningWeatherChance of Precip.
78F71FRefreshing10%
Coach Jim Zorn will make his FedEx debut in unusually comfortable conditions for August -- very low humidity and evening temperatures dropping through the 70s. The chance of a shower is slim to none. After the game, if your final destination is in the suburbs, prepare for mid-to-upper 60s by the time you get there.
 
SkinsCast appears before every Redskins home game. Also, see our full forecast into early next week, and our Virgin Mobile Festival forecast.

By Dan Stillman | August 9, 2008; 11:00 AM ET | Comments (11)

Forecast: September-like Splendor

Seldom will we experience a finer day in early August than today. Conditions will be more characteristic of early September. The air will be delightfully warm and dry and we'll enjoy a pleasant breeze. Tomorrow's weather won't be of today's caliber due to possible thunderstorms in the afternoon. However, nice...

By Jason Samenow | August 9, 2008; 5:00 AM ET | Comments (6)

CommuteCast: A September Preview; Shower?

More delightful conditions on Saturday Radar: Latest mid-Atlantic radar loop from the National Weather Service. Click on image to expand, or here to zoom. Refresh page to update. What's UTC? High temperatures in the low-to-mid 80s -- a few degrees below average -- combined with low levels of humidity and...

By Ian Livingston | August 8, 2008; 3:15 PM ET | Comments (3)

Photography: A Thunderstorm Reflection

A severe thunderstorm and its reflection Saturday evening. This photo was taken at sunset near Fairfax, Va., as the storm was moving rapidly southeast through Fairfax County. Late Saturday afternoon, thunderstorms developed across the D.C. area, with a couple storms reaching severe status. I watched one storm develop just south...

By Kevin Ambrose | August 8, 2008; 12:30 PM ET | Comments (1)

Confidence Increases for Active Hurricane Season

The Atlantic Ocean is now quiet after five early-season tropical storms, two of which (Bertha and Dolly) reached hurricane strength. It was the third most active July since 1886 for tropical cyclones in the Atlantic, and that combined with favorable atmospheric and oceanic conditions has given forecasters from NOAA and...

By Dan Stillman | August 8, 2008; 10:45 AM ET | Comments (3)

Forecast: Refreshing Weekend Air; Stray T'storm?

Mostly good things ahead for us going into the weekend. Other than the chance of an isolated shower or thunderstorm late today and late Sunday, today through Monday will be pleasantly warm, partly to mostly sunny, and without a hint of August humidity to speak of! Enjoy the "August anomaly"...

By Camden Walker | August 8, 2008; 8:55 AM ET | Comments (6)

CommuteCast: A Few Storms Possible

Mostly sunny Friday, temps again near average Scattered midday thunderstorms, some of which blew down trees and power lines, have moved to the southeast as new showers and thunderstorms develop to the northwest and track in our general direction. Most places have seen highs reach the mid-to-upper 80s. Some locations...

By Ian Livingston | August 7, 2008; 3:15 PM ET | Comments (8)

Freedman: Achenbach Off on Weather & Warming

On Sunday, the Washington Post ran an opinion piece on climate change by Joel Achenbach, a Post reporter and fellow washingtonpost.com blogger. While he made several good points about the perils of attributing individual extreme weather events to long-term climate change, Achenbach unfortunately left the mistaken impression that somehow climate...

By Andrew Freedman | August 7, 2008; 11:50 AM ET | Comments (12)

Forecast: Cooler, Less Humid Through Weekend

A few t'storms today; then decreasing rain chances After the passage of a weak cold front, both temperatures and humidity levels today will be noticeably more comfortable than yesterday. Better yet, these lowered temperatures and humidity levels will linger on Friday and into the start of next week. Though a...

By Josh Larson | August 7, 2008; 11:50 AM ET | Comments (17)

CommuteCast: Clear Skies, High Temperatures

Near-average temperatures Thursday Current D.C. area temperatures, courtesy Weather Bonk. Map by Google. Hover over and click temperatures for more info. Click and hold on map to pan. Refresh page to update. Plentiful sunshine today has led to temperatures rising into the low and mid 90s across the area. A...

By Ian Livingston | August 6, 2008; 3:00 PM ET | Comments (7)

Forecast: Humidity Going on Vacation

Shower and storm chances slim through weekend While high gas prices and airfares have many people staying home this August, humidity is about to take an unusual late-summer vacation. By later today, the dew point (which measures the amount of moisture in the air) should dip down to a comfy...

By Dan Stillman | August 6, 2008; 11:20 AM ET | Comments (3)

CommuteCast: Clouds and Isolated Showers

Wednesday warmth as humidity falls Radar: Latest mid-Atlantic radar loop from the National Weather Service. Click on image to expand, or here to zoom. Refresh page to update. What's UTC? After some morning sunshine, clouds and isolated light rain showers have ruled the day across the region. Clouds have helped...

By Ian Livingston | August 5, 2008; 3:15 PM ET | Comments (0)

Wild Weather at Wrigley Field

A powerful line of thunderstorms raked the Chicago area last night with winds to hurricane-force. The storms prompted an evacuation of the concourse at Wrigley Field when a tornado warning was issued and sirens sounded. No tornadoes were reported, but strong winds and torrential rain swept through the stadium. Watch...

By Jason Samenow | August 5, 2008; 12:30 PM ET | Comments (0)

Update: Edouard Makes Lone Star Landfall

Radar: Latest radar loop of Tropical Storm Edouard. Courtesy National Weather Service. Click on image to expand. Refresh page to update. Tropical Storm Edouard slammed on shore along the north Texas coast (in McFaddin National Wildlife Refuge) around 7 a.m. this morning with peak winds of 65 mph. The...

By Jason Samenow | August 5, 2008; 10:00 AM ET | Comments (0)

Forecast: Heating Up, But Nice Weekend Promised

Strong storms possible late today/tonight Knowing full well that Tuesdays and Wednesdays are common "at work" days, Mother Nature decided to offer the most humidity and the best thunderstorm chances on these next two days. Her campaign strategy is clearly poised to offer some pain before any sizable gains are...

By Matt Rogers | August 5, 2008; 5:00 AM ET | Comments (6)

CommuteCast: Clear Skies and Bearable Humidity

Hot on Tuesday, risk of storms late Webcam: Latest view of D.C. from the Netherlands Carillon at Arlington National Cemetery. Courtesy National Park Service. Refresh page to update. Mostly sunny skies combined with low levels of humidity have produced another nice, though somewhat hot, summertime day. Highs are now topping...

By Ian Livingston | August 4, 2008; 3:15 PM ET | Comments (2)

HELP this Weatherman

Enjoy some classic humor from comedian Don Knotts......

By Jason Samenow | August 4, 2008; 12:30 PM ET | Comments (1)

Will Houston Have a Problem or Answered Prayer?

Clouds: Latest infrared satellite loop of Edouard, courtesy Unisys. Click here to expand. Refresh page to update. Yesterday evening, Tropical Storm Edouard formed in the soupy waters of the Gulf Mexico. It's now headed for the Lone Star state where many areas could use some tropical rain. Current track...

By Jason Samenow | August 4, 2008; 10:45 AM ET | Comments (0)

Forecast: Heat to Build but not Boil

Over the next several days, temperatures and humidity levels will increase, but they won't get high enough or last long enough to truly give us a heat wave. We're talking about a 48 hour stretch of sweltering stickiness Tuesday and Wednesday, then a return to pretty typical early August warmth...

By Jason Samenow | August 4, 2008; 5:00 AM ET | Comments (0)

Photography: Storms From 30,000 Feet

Classic strong to severe thunderstorm southeast of the area around 3:15 p.m. one week ago. As severe weather was passing through the area last Sunday, I was inbound on a flight returning from a trip to Florida. Though I was unhappy with the delay in landing caused by the storminess,...

By Ian Livingston | August 3, 2008; 11:00 AM ET | Comments (0)

Forecast: Pleasant Present, Future Furnace

By Brian Jackson Behind yesterday's cold front, drier air streams in and we'll enjoy a pleasant Sunday and Monday. But heat and humidity lurk. By Tuesday and Wednesday, stifling hot weather will be back. A cold front passing by late Wednesday brings our next chance of storms and should break...

By Brian Jackson | August 3, 2008; 5:00 AM ET | Comments (2)

NatCast: Sunny Summer Afternoon

Nationals vs. Reds
Today, 1:35 p.m., Nationals Park
First Pitch9th InningWeatherChance of Rain
85F87FMostly Sunny5%
It will be very warm in the sun, but the humidity won't be bad at all. Drink plenty of water and enjoy the game!
 
NatCast appears on the day of every Nationals home game. Also, see our full forecast through early next week.

By Jason Samenow | August 3, 2008; 5:00 AM ET | Comments (0)

Update: Storms Moving Away; Skies Clearing

9:15 p.m. update: The Severe Thunderstorm Watch has now been cancelled for the immediate metro area, and now only continues for Calvert, Charles and St. Marys counties and points south and east. 8:20 p.m. update: The Severe Thunderstorm Watch has expired for areas north of D.C., but has been extended...

By Dan Stillman | August 2, 2008; 9:15 PM ET | Comments (0)

Alert: Severe Thunderstorm Watch Until 8 P.M.

If it's Saturday it must mean a chance of storms, right? The National Weather Service has issued a Severe Thunderstorm Watch until 8 p.m. for the metro area. Storms that develop may be capable of producing dangerous lightning, large hail and wind gusts to 70 mph. Chances look to be...

By Dan Stillman | August 2, 2008; 3:30 PM ET | Comments (0)

UnitedCast: Pleasant for Play?

United vs. Kansas City WizardsTonight, 7:30 p.m., RFK Stadium KickoffFinal WhistleWeatherChance of Rain84F79FClearing20%After a chance of a lingering storm toward the beginning of the game, It should be a nice night. Clouds should decrease and temperatures will be comfortably warm as the humidity drops off.   UnitedCast appears on...

By Jason Samenow | August 2, 2008; 3:15 PM ET | Comments (0)

NatCast: Drier Air Moves In

Nationals vs. RedsTonight, 7:10 p.m., Nationals Park First Pitch9th InningWeatherChance of Rain84F79FDecreasing clouds25%By first pitch, most storminess should be well to the east, but a lingering storm is not impossible toward the beginning of the game. Otherwise, drier air moving in should make for a pretty nice rest of...

By Jason Samenow | August 2, 2008; 3:15 PM ET | Comments (0)

D.C. Area Pollen, UV and Air Quality

CWG's Latest D.C. Area Weather Forecast POLLEN FORECAST Courtesy Pollen.com jQuery(document).ready(function(){ jQuery("uv-index-frame").src("http://weathergang.washingtonpost.com/health-page-mock.html"); });...

By Dan Stillman | August 2, 2008; 12:00 PM ET | Email a Comment

Forecast: Some Storms for Saturday

Then clearing, less humid *Severe Thunderstorm Watch until 8 p.m.* Showers and storms may rumble through the region this morning and more sporadically this afternoon. This evening and tomorrow, much more tranquil weather arrives. Clouds will decrease and the humidity will break. But early in the coming week, the humidity...

By Jason Samenow | August 2, 2008; 10:00 AM ET | Comments (0)

CommuteCast: Dog Days of August

Late-night storminess? Warm on Saturday Radar: Latest mid-Atlantic radar loop from the National Weather Service. Click on image to expand, or here to zoom. Refresh page to update. What's UTC? Today is day 23 of 90 degrees or higher at National Airport during 2008, but the good news for those...

By Ian Livingston | August 1, 2008; 3:15 PM ET | Comments (0)

D.C. Area Lightning Map

Estimated lightning activity inside storms (1 being low, 500 being high) during past 10 minutes. Courtesy NASA. More info here. See radar and other maps on our Weather Wall....

By Dan Stillman | August 1, 2008; 12:00 PM ET | Email a Comment

D.C. Webcam

Latest view of D.C. from the Netherlands Carillon at Arlington National Cemetery. Courtesy National Park Service. Refresh page to update. See this picture on CWG's Weather Wall....

By Dan Stillman | August 1, 2008; 12:00 PM ET | Email a Comment

Severe Weather Tracking Center

* CWG Main Page & Full Forecast | Radar loops & more: Weather Wall * Severe Weather Tracking StationWarning Text: DC | MD | VA * NWS Local Storm Reports Radar & Lightning: Movement of precipitation and lightning strikes over past two hours. Refresh page to update. Click here to...

By Dan Stillman | August 1, 2008; 12:00 PM ET | Email a Comment

D.C. Area Radar & Lightning Loop

Movement of precipitation and lightning strikes (alternative lightning map) over past two hours. Refresh page to update. See this radar, our regional radar and more on CWG's Weather Wall....

By Dan Stillman | August 1, 2008; 12:00 PM ET | Email a Comment

Hurricane Tracking Center

* Latest Advisories & Maps From the NHC | CWG Tropical Coverage * OVERVIEW OF ACTIVE STORMS History, current position (number indicates hurricane category) and 5-day track, as predicted by the National Hurricane Center, for active tropical systems. The uncertainty in a storm's predicted track is indicated by the surrounding...

By Capital Weather Gang | August 1, 2008; 12:00 PM ET | Email a Comment

Weather Gang Weather Wall

Ultimate overview of conditions in D.C., Md. and Va. Our Latest Forecast D.C. AREA RADAR & LIGHTNING LOOP Movement of precipitation and lightning strikes (alternative lightning map) over past two hours. Refresh page to update. Click here for radar and lightning loop on its own page. See below for regional...

By Dan Stillman | August 1, 2008; 12:00 PM ET | Email a Comment

In Search of a Weather Checker

Will you be our weather ombudsman? Yes. It's true. We don't always get the forecast right. (OK, you can drop the mocked surprise look.) Even when we're wrong, sometimes we've done the best we can given the data available. Other times, in hindsight, we see that we could've/should've done a...

By Dan Stillman | August 1, 2008; 11:00 AM ET | Comments (0)

Forecast: August Starts Less Humid, Still Hot

Sun and warmth during the day today, along with decreasing humidity, could give way to a few strong storms late tonight. Saturday and Sunday look quiet with humidity kept in check, but still expect the usual midsummer heat. Could it be even hotter early next week? Oof. TODAY (FRIDAY) Mostly...

By Camden Walker | August 1, 2008; 9:00 AM ET | Comments (6)

NatCast: Warm; Humidity Could be Worse!

Nationals vs. Reds
Tonight, 7:35 p.m., Nationals Park
First Pitch9th InningWeatherChance of Rain
87F83FClouding over25%
Clouds will be on the increase, and a shower or thunderstorm isn't impossible. But more likely, precipitation will hold off until later on overnight.
 
NatCast appears on the day of every Nationals home game. Also, see our full forecast through early next week.

By Camden Walker | August 1, 2008; 5:00 AM ET | Comments (0)

Interactive Tropical Tracking Map - Hanna

Powered by hurricane-tracking software from Stormpulse.com. Forecast tracks are the latest from the National Hurricane Center. Pan, zoom, and click on points along the storm's projected track for intensity forecasts....

By Jason Samenow | August 1, 2008; 1:50 AM ET | Comments (0)

 

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