Archive: Alerts
Strong to Severe Storms Moving Through
Heavy rain and some damaging winds main threats * Full Forecast | NatCast | Outside Now? Radar & More: Weather Wall * * Big Waves Threaten Nearby Beaches | Hurricane Tracking Center * A line of strong thunderstorms that moved...
By Ian Livingston | August 21, 2009; 03:00 PM ET | Comments (20)
Strong to Severe Storms Pounding Parts of Area
* Alert: Tree Down on I-66 in Arlington, Lanes Blocked * * Full Forecast | Outside Now? Radar, Temps and More: Weather Wall * A Severe Thunderstorm Watch is in effect for the metro area until 9 p.m. An area...
By Capital Weather Gang | July 31, 2009; 03:45 PM ET | Comments (19)
Severe Thunderstorm Watch Issued Into Evening
* Full Forecast | Outside Now? Radar, Temps & More: Weather Wall * The National Weather Service has issued a Severe Thunderstorm Watch, in effect until 9 p.m. Shower and thunderstorm activity developing off to the west is likely to...
By Dan Stillman | July 26, 2009; 02:25 PM ET | Comments (5)
Early Morning Severe Storms Rocking Area
* Get There: Severe T-Storms Cause Road Flooding, Downed Trees * An intense line of storms is roaring through the metro area. These storms have dangerous lightning, VERY loud thunder, torrential rain and strong, gusty winds. Some hail is possible...
By Jason Samenow | June 9, 2009; 06:06 AM ET | Comments (17)
Alert: Flood Warning for Much of Metro Area
* Flood Watch Through Afternoon | Full Forecast | Traffic | NatCast * * Outside Right Now? See Radar, Temps & More: Weather Wall * Courtesy National Weather Service. The National Weather Service has issued a Flood Warning until 3:45...
By Capital Weather Gang | June 5, 2009; 10:40 AM ET | Comments (9)
Strong to Severe Storms Finish Off the Week
* Severe T-Storm Watch & Flash Flood Watch til 8 PM | Full Forecast * * Outside Right Now? See Radar, Temps & More: Weather Wall * Here we go with another round of showers and thunderstorms this afternoon into...
By Capital Weather Gang | May 29, 2009; 03:35 PM ET | Comments (16)
Alert: Very Heavy Snow Next 1-2 Hours
A band of extremely heavy snow has developed over much of the Washington, D.C. area. Snowfall rates will be 1-2" an hour through 8:30 a.m. or so. The heavy snow combined with winds of 15-25 mph will create visibilities near...
By Jason Samenow | March 2, 2009; 06:41 AM ET | Comments (122)
Light Snow Develops Over Parts of Area
* Winter Weather Advisory until 10 AM | School Delays | Full Forecast * UPDATE 9:30 a.m.: Snow has mostly ended except south and east of town. But note this statement from the National Weather Service: SNOW IS EXPECTED TO...
By Camden Walker | February 4, 2009; 09:30 AM ET | Comments (8)
Winter Storm Watch Issued for Metro Area
* Our Full Forecast | Snow Lover's Crystal Ball: Storm Details * The National Weather Service Office in Sterling has issued a Winter Storm Watch for MOST of the capital region. The watch covers the District and points north and...
By Jamie Jones | January 26, 2009; 07:00 AM ET | Comments (1)
Alert: Chance of Light Snow Tomorrow
* Full Forecast | Inauguration Weather Forecast and What to Wear * * 8:30 p.m. update: The latest guidance remains a little conflicting, but I'm slightly more confident we'll see at least some light snow tomorrow (60% chance of at...
By Jason Samenow | January 18, 2009; 08:30 PM ET | Comments (16)
Alert: Tornado Watch Through Early Evening
3:45 PM Update: The Tornado Watch is now cancelled for areas west of I-95, but remains in effect along and to the east of I-95. From earlier... The National Weather Service has put the D.C. metro area under a Tornado...
By Dan Stillman | November 15, 2008; 03:45 PM ET | Comments (11)
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...
By Jason Samenow | August 10, 2008; 10:15 PM ET | Comments (9)
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...
By Dan Stillman | August 2, 2008; 03:30 PM ET | Comments (0)
Alert: Watch, Warnings Issued as Storms Move In
UPDATE: Severe Thunderstorm Warnings in effect for St. Mary's and Calvert Counties until 11:45 a.m., and for Talbot County until 12:15 p.m. Severe Thunderstorm Watch in effect until 4 p.m. for Fairfax and Montgomery Counties, the District, and points east....
By Capital Weather Gang | July 22, 2008; 10:02 AM ET | Comments (15)
Alert: Severe Thunderstorm Watch Until 2 A.M.
12:30 a.m. update: The Severe Thunderstorm Watch has been extended until 2 a.m. While no warnings are currently in effect, one thunderstorm is impacting northwest Montgomery County and another storm (in Culpeper and Rappahannock County) now heading into Fauquier County...
By Capital Weather Gang | June 30, 2008; 12:30 AM ET | Comments (32)
Alert: Severe Thunderstorm Watch Until 8 P.M.
As temperatures climb through the low 90s this early afternoon, and the heat index into the mid 90s, the National Weather Service has issued a Severe Thunderstorm Watch for the metro area, in effect until 8 p.m. NWS says: HAIL...
By Capital Weather Gang | June 27, 2008; 01:00 PM ET | Comments (23)
Alert: Severe Thunderstorm Watch Issued
4:30 p.m. update: Lines of storms have developed to the west and southwest. These may affect the metro area, especially after about 5:30 p.m. The Storm Prediction Center (SPC) has issued a Severe Thunderstorm Watch for the metro area until...
By Jason Samenow | June 22, 2008; 04:30 PM ET | Comments (16)
Alert: Severe Thunderstorm Watch Until 9 P.M.
Radar: Latest mid-Atlantic radar loop from the National Weather Service. Click here to expand. Refresh page to update. What is UTC? A Severe Thunderstorm Watch has been issued for the metro area, in effect until 9 p.m. The Storm...
By Capital Weather Gang | June 16, 2008; 01:35 PM ET | Comments (0)
Alert: Another Round of Severe Storms
*Tornado Watch remains in effect until 1 a.m.* Another line of severe thunderstorms is approaching the metro area from the west. Tornado Warnings are in effect for the southern portion of these storms, including Prince William and Stafford counties in...
By Jamie Jones | June 4, 2008; 07:54 PM ET | Comments (36)
Tornado Watch Issued; Storms Approach
ALERTS 2:15 PM: A line of thunderstorms with frequent lightning is moving into the far western suburbs, now approaching western Frederick, Loudoun and Fauquier counties. This batch will move through the metro area from west to east over the next...
By Capital Weather Gang | June 4, 2008; 12:50 PM ET | Comments (13)
Tornado Watch Issued; Storm Threat Until Evening
It may not rain everywhere, but some storms severe ALERTS 2:50 p.m.: Severe Thunderstorm Warning issued for much of the immediate metro area until 3:45 p.m. Heaviest storms in southern Fairfax County headed into southern Prince Georges and Charles counties....
By Dan Stillman | May 31, 2008; 10:30 AM ET | Comments (55)
Alert: Flood Watch for Sunday Night
The Watch is in effect from Sunday night to Monday afternoon. From the National Weather Service: THE HEAVIEST RAIN WILL OCCUR SUNDAY NIGHT ... AND END FROM SOUTHWEST TO NORTHEAST MONDAY AFTERNOON. TWO TO THREE INCHES OF RAIN WILL FALL...
By Jason Samenow | May 10, 2008; 09:43 PM ET | Comments (6)
Alert: Heavy Rain, Storms Affecting Metro Area
*Flood Watch in effect for entire metro area through late tonight* Severe Weather Tracking StationWarning Text: DC | MD | VARadar: Latest D.C. area radar loop from the National Weather Service. Click here to expand. Refresh page to update. Warnings:...
By Jason Samenow | April 20, 2008; 02:23 PM ET | Comments (26)
Alert: Winter Storm Warning Issued
Clear commute; deteriorating conditions overnight *Winter Storm Warning from 11 p.m. tonight to 10 p.m. Friday night* A STORM MOVING IN FROM THE SOUTHWEST WILL BRING PRECIPITATION INTO THE COLD AIR ALREADY IN PLACE OVER THE REGION. THE RESULT WILL...
By Ian Livingston | February 21, 2008; 02:55 PM ET | Comments (111)
Alert: Winter Storm Watch Issued
A Winter Storm Watch has been issued for the entire metro area from Thursday evening through late Friday night. Excerpt: LOW PRESSURE ACROSS THE GULF OF MEXICO WILL BEGIN SPREAD SNOW ACROSS THE MID ATLANTIC REGION THURSDAY NIGHT. AS WARMER...
By Jason Samenow | February 20, 2008; 10:23 PM ET | Comments (0)
Alert: Advisory Upgraded to Ice Storm Warning
Warning in effect area-wide until 7am Wednesday morning From the National Weather Service: "AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL EXTREMELY DANGEROUS. TRAVEL IS STRONGLY DISCOURAGED....
By Jason Samenow | February 12, 2008; 06:59 PM ET | Comments (0)
Alert: Potomac Primary Problematic Precipitation
As if tomorrow needed any more excitement, two periods of light wintry precipitation should make the election day even more interesting. Some light snow may break out pre-dawn, especially north and west of the beltway. Portions of Montgomery, Frederick and...
By Jason Samenow | February 11, 2008; 10:00 PM ET | Comments (20)
Alert: New Record Highs
The warm before the storm? New high-temperature records have been set for the day at all three area airports. At 11 a.m., Regan National was reporting 71 degrees, which breaks the record of 69 set in 1938; Dulles was reporting...
By Capital Weather Gang | February 6, 2008; 11:05 AM ET | Comments (10)
Alert: Unexpected Midday Showers
Precipitation mainly north and west of downtown Latest DC area radar loop, courtesy National Weather Service. Refresh page to update, or click here to expand. Despite some sun shining through in parts of the metro area, radar shows another batch...
By Capital Weather Gang | January 29, 2008; 11:40 AM ET | Comments (0)
Alert: Rain Arrives Ahead of Schedule
Pockets of freezing rain to the north Latest DC area radar loop, courtesy National Weather Service. Refresh page to update, or click here to expand. A batch of steady rain has developed in the metro area this morning and will...
By Jason Samenow | January 29, 2008; 07:58 AM ET | Comments (4)
Alert: Wintry Weather Risk Fading
Latest DC area radar loop, courtesy National Weather Service. Refresh page to update, or click here to expand. The National Weather Service has cancelled the Winter Weather Advisory for the region as temperatures have now risen above freezing throughout....
By Ian Livingston | January 22, 2008; 11:45 AM ET | Comments (0)
Alert: Winter Weather Advisory for Tuesday
The National Weather Service has issued a Winter Weather Advisory for the entire Metro Area for 10 a.m. to 4 p.m. on Tuesday: A COLD FRONT WILL APPROACH THE REGION TUESDAY AFTERNOON. IN ADVANCE OF THE FRONT...LIGHT SNOW AND SLEET...
By Matt Ross | January 21, 2008; 03:21 PM ET | Comments (0)
Alert: Snow Showers or Flurries Likely
Dusting to an inch possible by midnight Latest Mid-Atlantic radar loop, courtesy National Weather Service. Refresh page to update, or click here to expand. The combination of moisture pluming up from the south and an approaching Arctic cold front is...
By Jason Samenow | January 19, 2008; 03:04 PM ET | Comments (0)
Alert: Accumulation Coming to an End
A basketball left on a playground in Northern Virginia from our last spell of warm weather is covered by 4 inches of snow. By Capital Weather Gang photographer Kevin Ambrose. Within the metro area, most areas have seen snow...
By Dan Stillman | January 17, 2008; 02:30 PM ET | Comments (80)
Alert: Snow Continues at Steady Clip
Slightly higher accumulations; sleet and rain to mix in An unofficial measurement of accumulated snow inside the Capital Beltway. Refresh page to update, or click here to enlarge. Moderate to sometimes heavy snow has been falling across much of the...
By Dan Stillman | January 17, 2008; 12:50 PM ET | Comments (68)
Alert: Here Comes the Snow
Latest MidAtlantic radar loop, courtesy National Weather Service. Refresh page to update, or click here to expand. Snow is currently spreading over the region as an area of low pressure destined to bring many their first accumulating snow of...
By Ian Livingston | January 17, 2008; 10:00 AM ET | Comments (219)
Alert: Snow Confidence Increasing
The latest data I'm analyzing has increased my confidence in the likelihood of accumulating snow tomorrow (65%). The storm radar appears impressive (notice the precipitation coverage to the southwest) and snow has been reported as far south as Atlanta. The...
By Jason Samenow | January 16, 2008; 07:30 PM ET | Comments (77)
Alert: Winter Weather Advisory Tomorrow
The National Weather Service has issued a Winter Weather Advisory for the District and points north and west from 7 a.m. Thursday to midnight Thursday night. According to NWS ... PRECIPITATION IS EXPECTED TO BEGIN AS SNOW THURSDAY MORNING ACCUMULATING...
By Dan Stillman | January 16, 2008; 03:10 PM ET | Comments (14)
Alert: Snow Flurries and Squalls Moving Through
Latest D.C metro area radar loop, courtesy AccuWeather. Reload to update, or click here to expand. A line of flurries and briefly intense snow squalls is now progressing into the western suburbs of DC. While short-lived, this line may...
By Ian Livingston | January 15, 2008; 11:28 AM ET | Comments (38)
Alert: Sunday PM Storm Mainly Rain
The details for tomorrow's storm are finally crystallizing, but snow crystals aren't a big part of the equation, unless you happen to be a mile high in the atmosphere. Down at ground level, temperatures are going to be too warm...
By Jason Samenow | January 12, 2008; 11:15 PM ET | Comments (0)
Alert: On the Edge of Sunday Night Storm
Probability of accumulating snow pretty low Indications are strong that a major storm will impact New Jersey to New England with some significant snows, especially the further north you go Sunday night. But once you get south of Jersey, precipitation...
By Jason Samenow | January 12, 2008; 12:00 PM ET | Comments (0)
Alert: Sunday Night Storm Odds Increasing
New information I'm analyzing suggests an increased risk of significant precipitation starting Sunday afternoon and especially Sunday night. The exact location of rain/snow line -- likely to be somewhere between the Chesapeake Bay and mountains -- is so uncertain, that...
By Jason Samenow | January 11, 2008; 10:50 PM ET | Comments (0)
Alert: Higher Sunday/Monday Storm Threat
Some new computer model guidance suggests that a coastal storm will track close enough to land to produce significant rain and/or snow over the metro area late Sunday into Monday. While details still remain foggy, we'll keep you updated as...
By Ian Livingston | January 10, 2008; 01:40 PM ET | Comments (0)
