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Posted at 3:15 PM ET, 08/18/2008

PM Update: Return of Summer Heat

By Ian Livingston

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 southerly wind that's transporting some humidity into the region. A very isolated shower or thundershower is possible this afternoon, but most places will remain dry.

Tonight: An isolated shower or thundershower may briefly move by some places this evening, though a majority of the night will be mostly clear. Temperatures will drop to the low 60s in the suburbs and to right around 70 in the city with light and variable winds.

Tomorrow: Tuesday will be mostly sunny and hot as highs reach the low 90s in most locations. A breeze from the northwest or west will add some relief, and humidity levels may drop off a little compared to today.

Tropics: Tropical Storm Fay continues to strengthen this afternoon as she passes near Key West on her way toward the lower Florida peninsula. Sustained winds are currently 60 mph and she is expected to make landfall as a hurricane during the morning hours on Tuesday. How Fay may affect local weather is still yet to be determined, so stay tuned.

We have changed the post title "CommuteCast" to "PM Update" as the forecast information in these posts extends beyond the commute. See Jason's full forecast through the weekend.

By Ian Livingston  | August 18, 2008; 3:15 PM ET
Categories:  Forecasts  
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Comments

Fay made her first U.S. landfall on Key West at 3pm.

Posted by: Ian, Capital Weather Gang | August 18, 2008 3:35 PM | Report abuse

The NHC is showing Fay meandering over the southeast this weekend now as of the 5PM advisory. Earlier they had it flying into the Ohio Valley. I love how drastically forecasts change. It makes it a little exciting to see the next advisory to see where they have Fay flying to next.

http://www.nhc.noaa.gov/refresh/graphics_at1+shtml/145241.shtml?5day?large#contents

Posted by: weatherdudeVA | August 18, 2008 4:54 PM | Report abuse

Now Fay meanders.
Tropical Storm now, soon to
be a hurricane?

Posted by: Murre | August 18, 2008 5:51 PM | Report abuse

NHC corrected themselves on the Key West landfall call for 3pm, saying this in the 5pm discussion:

IT SHOULD BE NOTED THAT A TCU WAS ISSUED NOTING LANDFALL WHEN THE WINDS AT KEY WEST WENT CALM AT 3 PM. LATER DATA SUGGESTS THIS WAS DUE TO A MESOSCALE FEATURE ROTATING AROUND THE LARGER CENTER OF THE STORM...AND THE TRUE CENTER OF FAY IS OVER KEY WEST NOW.

Posted by: Ian, Capital Weather Gang | August 18, 2008 5:55 PM | Report abuse

Bob Ryan was pretty confident at 6:30 that high pressure would block Fay well south of us.

Posted by: Southside FFX | August 18, 2008 7:09 PM | Report abuse

Computer models now very divergent as to where Fay will go. They're not very accurate on this one- it is turning out to be a tough storm to predict the track.

Too bad Fay probably won't make it up here, my lawn badly needs rain.

Posted by: Model Monkey | August 18, 2008 11:28 PM | Report abuse

I've got cross country practice tomorrow at 2:30PM. Should be fun...

Posted by: Peter | August 19, 2008 12:15 AM | Report abuse

"We have changed the post title "CommuteCast" to "PM Update"."
Wondering why that term sounds oddly familiar.. .

Posted by: Not a WaPo drone | August 19, 2008 1:04 AM | Report abuse

The comments to this entry are closed.

 
 
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