Monday, November 21, 2005
The week ahead: White Thanksgiving?
Jason Samenow @ 1:01 AM
The weather for the upcoming week isn't going to make many people happy. We start the week off with rain, then it turns windy and cold. No sunny, mild afternoons. Snow lovers may enjoy seeing the season's first flakes Thanksgiving morning but it's likely just to be a tease since it will change to rain and/or melt.
The Daily Details
Today, a coastal low in the Southeast will move northward, bringing rain by afternoon. The rain may be heavy during the evening rush hour, and up to 1" could fall by Tuesday morning. High temperatures should be in the upper 40s.
On Tuesday, there may be some morning showers but expect partial clearing during the afternoon. Northwest winds will kick in behind the departing storm, ushering in cooler air. Expect highs in the mid 40s.
For the big travel day Wednesday, the weather will be pretty good. High pressure will be in control, so there should be few weather related delays at National, Dulles and BWI. Temperatures will be chilly, however, with highs only reaching the low 40s -- after morning lows of 25-32.
Wednesday night and Thursday present the most challenging part of the next week's forecast. A clipper will drop southeastward out of Canada, but will likely pass to our north. We usually do not see accumulating snow from storms that pass to our north. Nonetheless, some cold air will be in place and the precipitation is likely to commence at night which may allow for a period of snow through early Thursday morning (it's kind of early to speculate about accumulation, but my early hunch would be a dusting or so). The precipitation should taper off before noon and temperatures will reach about 40.
Friday through Sunday are very likely to feature below average temperatures with highs only in the upper 30s Friday and Saturday, moderating into the low to mid 40s by Sunday. A stray flurry can't be ruled out Saturday. Overnight lows should be in the mid to upper 20s downtown and near 20 in the colder suburbs.
Normal highs this week are in the low to mid 50s, with lows in the mid to upper 30s
Briefly
Snow Lover's Crystal Ball 
Next Chance of Snow: Wed, Nov 23 -- Thurs, Nov 24
Probability: 40%
Potential Impact:
Commentary: Per the forecast narrative above, a clipper may produce a period of light snow late Wednesday night into Thursday morning. Amounts should be light, and it's not out of the question it could change to rain and/or not really materialize
The Daily Details
Today, a coastal low in the Southeast will move northward, bringing rain by afternoon. The rain may be heavy during the evening rush hour, and up to 1" could fall by Tuesday morning. High temperatures should be in the upper 40s.On Tuesday, there may be some morning showers but expect partial clearing during the afternoon. Northwest winds will kick in behind the departing storm, ushering in cooler air. Expect highs in the mid 40s.For the big travel day Wednesday, the weather will be pretty good. High pressure will be in control, so there should be few weather related delays at National, Dulles and BWI. Temperatures will be chilly, however, with highs only reaching the low 40s -- after morning lows of 25-32.Wednesday night and Thursday present the most challenging part of the next week's forecast. A clipper will drop southeastward out of Canada, but will likely pass to our north. We usually do not see accumulating snow from storms that pass to our north. Nonetheless, some cold air will be in place and the precipitation is likely to commence at night which may allow for a period of snow through early Thursday morning (it's kind of early to speculate about accumulation, but my early hunch would be a dusting or so). The precipitation should taper off before noon and temperatures will reach about 40.Friday through Sunday are very likely to feature below average temperatures with highs only in the upper 30s Friday and Saturday, moderating into the low to mid 40s by Sunday. A stray flurry can't be ruled out Saturday. Overnight lows should be in the mid to upper 20s downtown and near 20 in the colder suburbs. Normal highs this week are in the low to mid 50s, with lows in the mid to upper 30s
Briefly
- Yes: The Paul Kocin (The Weather Channel's Winter Weather Expert) interview will appear in tomorrow's edition.
- Tomorrow is the last day for the snowfall prediction contest.
- The DC Improv is featuring "A Night of Improvisational Comedy" -- and two meteorologists are part of the cast. Might be something fun to checkout Wednesday night.
Next Chance of Snow: Wed, Nov 23 -- Thurs, Nov 24
Probability: 40%
Potential Impact:
Commentary: Per the forecast narrative above, a clipper may produce a period of light snow late Wednesday night into Thursday morning. Amounts should be light, and it's not out of the question it could change to rain and/or not really materialize
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