Saturday, December 04, 2004

12/04 DC/MD/VA Weather outlook

RAIN MAY INCLUDE THUNDER ON TUESDAY AS VERY MILD AIR GETS INVOLVED IN THE FORECAST. AS I NOTED YESTERDAY, THE PACIFC NW AND WESTERN CANADA LOW WILL HAVE AN AFFECT ON OUR WEATHER AND THERE ARE SIGNS IT COULD BE WINTRY! IT JUST MAY BE THE PLAYER TO TURN OUR WINTER COLDER TOO!

 

Summary:

I re read my post for yesterday and I apologize for the jumbled sentences. I think it was too late to post! Anyways, the low I was speaking of is an important player. It will briefly switch the west coast trough into a ridge, and then, how it plays out exactly will be interesting to watch. There is the “threat” of an east coast storm sometime next weekend timeframe and cold air could easily get involved. I am basing these thoughts on a very good (and blunt) analysis by Dave Toleris (DT) of WxRisk who has had great forecasting skill in the past. Another forecaster, Joe Bastardi of AccuWeather, has been mentioning and east coast snow threat for days now. Joe and DT do not usually see eye to eye and DT tends to discount a lot of what Joe speaks of. So, interestingly enough, we have a bit of consensus among some forecasters! Now, the American model (called the GFS) is not showing what the European model (ECMWF) is showing with the trough in the east. This is primarily based on the handling of that Mega Low off the Pacific NW/Canada coast. The GFS brings it onshore, which would in turn build the Ridge off the Southeast coast and flood mild air into the country which would stop any ideas of colder air. So, I will watch and see where we go!

 

Today: SW: 54-64 SE: 55-65 N: 40-50

Partly cloudy.

 

Sunday: SW: 55-65 SE: 55-65 N: 45-55

Nice sunny day.

 

Monday: SW: 55-65 SE: 55-65 N: 45-55

Increasing clouds with some rain likely in the west spreading north and east over time. Thunderstorms also possible, especially overnight!

 

Tuesday: SW: 55-65 SE: 55-65 N: 50-60

Showers.

 

Wednesday: SW: 55-65 SE: 55-65 N: 50-60

Sunny

 

Thursday: SW: 55-65 SE: 55-65 N: 50-60

Sunny

 

Friday: SW: 55-65 SE: 55-65 N: 50-60

Chance of rain showers. Could trigger a very cool weekend and this will all need to be watched based on the above discussions!

 

Long Term:

Hard to say as there could be a pattern changed prompted by a strong storm off the east coast. All speculation now, but definitely things there that need to be watched!

 

All for now!

 



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