Your Washington Area Halloween Forecast

What can trick-or-treaters expect tomorrow evening? If the latest high-resolution forecast models prove accurate – there may be a break in the rain between 6 and 9 PM. The image below is from the latest North American Model (courtesy WxBell) showing steady rains across the D.C. Region at 3pm pulling north of the metro area by 6pm.

The “Scariest” portion of your Halloween may come from a loss of power as a strong squall line barrels through our region between 9pm and midnight potentially producing wind gusts over 60 mph.

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Damaging Wind Gusts Sunday Evening through Monday Afternoon

A powerful cold front will cross the Washington Region this afternoon ushering in gusty winds in its wake.  Winds could occasionally gust over 55 MPH in locations across the higher elevations of the Potomac Highlands, Catoctins, Blue Ridge and near/across the Chesapeake Bay.

The image above (courtesy weathermodels.com) from the North American Model (NAM) shows potential peak wind gusts from 7pm Sunday through 5pm Monday.  The gusty winds coupled with saturated soil from the recent soaking rain increase the risk of downed trees.

 

 


Squall line will deliver 1-2″ of heavy rain Sunday evening

A powerful cold front will push through the Washington Area on Sunday evening. A Squall Line (strong line of thunderstorms with very heavy rain and gusty winds) will likely be accompanied with the passage of the cold front.

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