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TS Bill Remnants: Severe and Flooding Risk


yoda

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DCC001-MDC031-033-202345-  
/O.CON.KLWX.SV.W.0111.000000T0000Z-150620T2345Z/  
DISTRICT OF COLUMBIA DC-PRINCE GEORGES MD-MONTGOMERY MD-  
728 PM EDT SAT JUN 20 2015  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT  
FOR THE NORTHERN DISTRICT OF COLUMBIA...NORTHWESTERN PRINCE GEORGES  
AND SOUTHEASTERN MONTGOMERY COUNTIES...  
 
AT 727 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE  
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS  
LOCATED OVER GEORGETOWN...OR OVER HOWARD UNIVERSITY...MOVING  
NORTHEAST AT 20 MPH.  
 
LOCATIONS IMPACTED INCLUDE...  
COLLEGE PARK...GREENBELT...BLADENSBURG...LANGLEY PARK...HOWARD  
UNIVERSITY...FORT TOTTEN...BYRD STADIUM...BELTSVILLE...HYATTSVILLE...  
TAKOMA PARK...NEW CARROLLTON...RIVERDALE PARK...CHEVY CHASE...  
MARTIN'S ADDITIONS...NORTH CHEVY CHASE...FRIENDSHIP VILLAGE...WHITE  
OAK...NORTH KENSINGTON...WHEATON-GLENMONT AND ADELPHI.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.  
ALTHOUGH A TORNADO IS NOT IMMEDIATELY LIKELY...IF ONE IS SPOTTED...  
ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...  
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.  
 
THIS STORM HAS A HISTORY OF PRODUCING DIME SIZE HAIL IN THE DISTRICT  
OF COLUMBIA. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY  
AWAY FROM WINDOWS.
 
 

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You mean the Downtown DC one? Not sure it needs it quite yet. Looks interesting tho

I meant the one crossing over in MD sorta near Fredrick. It looked like it was tightening up, but interaction with the line may kill it. It was almost looking like a supercell.

EDIT: but there is rotation on the D.C. storm now so I'll claim to be psychic

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Cell crossing the Potomac is about to need a tornado warning.

 

I will preface this by saying that I know almost nothing about meteorology - but I'm looking at that cell from Courthouse overlooking the Potomac, and from my untrained eye there was obvious rotation.  Absolutely phenomenal sight, as it rolled past I was like "Uhhhhh, that definitely looks like its going to be a tornado soon."

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Can confirm a little hail in upper NW. A small projectile hit me in the forehead as I was running from my car to my front door. I'd been out trying to get a good view of it, but it's just a dark wall of cloud with not much CG. No rotation, as least as far as I could see. Don't think I've ever been hit with a "hailstone" before. Even if it was less than dimesize. Probably more like pea size.

 

Sharp clearing to the south. Usually don't see that. I wonder what this cell looks like from afar. Probably pretty neat.

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BULLETIN - EAS ACTIVATION REQUESTED  
TORNADO WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
732 PM EDT SAT JUN 20 2015  
 
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A  
 
* TORNADO WARNING FOR...  
CENTRAL FAIRFAX COUNTY IN NORTHERN VIRGINIA...  
CENTRAL PRINCE WILLIAM COUNTY IN NORTHERN VIRGINIA...  
THE CITY OF MANASSAS IN NORTHERN VIRGINIA...  
THE CITY OF MANASSAS PARK IN NORTHERN VIRGINIA...  
THE CITY OF FAIRFAX IN NORTHERN VIRGINIA...  
 
* UNTIL 800 PM EDT  
 
* AT 732 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM  
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED  
OVER BULL RUN...OR NEAR CENTREVILLE...AND MOVING NORTHEAST AT 45  
MPH.  
 
* LOCATIONS IMPACTED INCLUDE...  
FAIRFAX...VIENNA...MANTUA...CENTREVILLE...RESTON...ANNANDALE...DALE  
CITY...LINTON HALL...CHANTILLY...NEWINGTON...BULL RUN...LORTON...  
OAKTON...LAKE RIDGE...BURKE...WOLF TRAP...FRANCONIA...MANASSAS...  
MANASSAS PARK AND WEST SPRINGFIELD.  
 

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BULLETIN - EAS ACTIVATION REQUESTED  
TORNADO WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
735 PM EDT SAT JUN 20 2015  
 
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A  
 
* TORNADO WARNING FOR...  
SOUTH CENTRAL FREDERICK COUNTY IN NORTH CENTRAL MARYLAND...  
NORTHEASTERN LOUDOUN COUNTY IN NORTHERN VIRGINIA...  
 
* UNTIL 800 PM EDT  
 
* AT 735 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM  
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED  
NEAR POINT OF ROCKS...OR 8 MILES NORTH OF POOLESVILLE...AND MOVING  
NORTHEAST AT 10 MPH.  
 
* LOCATIONS IMPACTED INCLUDE...  
PARK MILLS...ADAMSTOWN AND TUSCARORA.  
 

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pretty mild as it passed though my neighborhood, but it has really blown up to my east--huge lightning strikes and house rumbling thunder.  .45" of rain which is fine with me since we've been having problems with a leak in the family room.

I hear ya. We have a skylight in the den that's not sealed, or something, and it drips during even modest rainfall. We put a dish under it but have to keep the dog away because she thinks it's her water dish.

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SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
739 PM EDT SAT JUN 20 2015  
 
VAC059-153-600-683-685-210000-  
/O.CON.KLWX.TO.W.0004.000000T0000Z-150621T0000Z/  
FAIRFAX VA-PRINCE WILLIAM VA-CITY OF MANASSAS VA-  
CITY OF MANASSAS PARK VA-CITY OF FAIRFAX VA-  
739 PM EDT SAT JUN 20 2015  
 
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR WEST  
CENTRAL FAIRFAX...CENTRAL PRINCE WILLIAM COUNTIES...THE NORTHEASTERN  
CITY OF MANASSAS...THE CITY OF MANASSAS PARK AND THE CITY OF  
FAIRFAX...  
 
AT 739 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE  
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR  
CENTREVILLE...MOVING NORTHEAST AT 40 MPH.  
 
LOCATIONS IMPACTED INCLUDE...  
FAIRFAX...VIENNA...CENTREVILLE...MANTUA...ANNANDALE...RESTON...  
OAKTON...CHANTILLY...WOLF TRAP...BURKE...MANASSAS...MANASSAS PARK...  
FAIRFAX STATION...CLIFTON AND WEST SPRINGFIELD.  
 

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