Much Needed Rainfall for Parts of the DC Region Late Tonight through Sunday

The DC Region could use some widespread rain as not everyone has been blessed with receiving some of the heavier rainfall totals associated with the scattered summertime thunderstorms of late.

The latest future-cast radar image below (timestamp in top left corner, courtesy PivotalWx) shows showers and thunderstorms impacting areas mainly along and east of the Interstate 95 corridor late tonight through Sunday.

How Much Rain Could Fall in Your Backyard? 

The latest European forecast model indicates that the best chance of some substantial rainfall (an average of one inch or more) is more likely to occur along a line from Charlottesville VA to Dulles Airport, northeastward to Baltimore-Washington International Airport (points south and east).

The High-Resolution NAM model agrees with the European Model

Thankfully there appears to be additional chances for some rainfall during the middle portion of next week.

 


Severe Weather Outbreak with a few Tornadoes Possible this Afternoon

The Storm Prediction Center has placed the Washington DC Region under either a “slight” (yellow area in below image) or “enhanced” (orange area in below image) risk for severe thunderstorms this afternoon.  A warm front will be advancing northward through the Mid-Atlantic while a cold front moves southeastward out of Pennsylvania.

Severe Thunderstorm Risk Categories Explained

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Severe Storms Possible Today and Especially on Thursday, Much Cooler Weather for the Weekend!

The Storm Prediction Center (SPC) has placed much of the Washington Region under a Marginal Risk for Severe Thunderstorms this afternoon. 

Latest High-Resolution Guidance

Storm coverage this afternoon and evening looks to be around 30 to 50%, meaning most of us should remain dry (if these models are accurate).  Any storms that do fire late this afternoon and evening will be capable of producing damaging winds in excess of 60mph and hail. Time stamp is in the upper left hand corner of image below (courtesy PivotalWx).

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