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Mid-June severe threats


Ian

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Uh oh

 

 

BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
448 PM EDT THU JUN 18 2015  
 
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
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...  
THE CITY OF FALLS CHURCH IN NORTHERN VIRGINIA...  
SOUTHEASTERN LOUDOUN COUNTY IN NORTHERN VIRGINIA...  
 
* UNTIL 530 PM EDT  
 
* AT 448 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE  
THUNDERSTORMS CAPABLE OF PRODUCING LARGE HAIL UP TO PING PONG BALL  
SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE  
LOCATED ALONG A LINE EXTENDING FROM NEAR ARCOLA TO CHANTILLY TO  
WOLF TRAP...AND MOVING SOUTH AT 20 MPH.  
 
* LOCATIONS IMPACTED INCLUDE...  
FAIRFAX...VIENNA...FALLS CHURCH...RESTON...SOUTH RIDING...PIMMIT  
HILLS...MANTUA...DULLES INTERNATIONAL AIRPORT...ANNANDALE...  
CENTREVILLE...LAKE BARCROFT...TYSONS CORNER...MERRIFIELD...I66 AND  
I495 INTERCHANGE...CHANTILLY...WOLF TRAP...BULL RUN...OAKTON...  
ARCOLA AND BURKE.  

 

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SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
457 PM EDT THU JUN 18 2015  
 
VAC059-107-153-600-610-683-685-182130-  
/O.CON.KLWX.SV.W.0093.000000T0000Z-150618T2130Z/  
FAIRFAX VA-PRINCE WILLIAM VA-CITY OF MANASSAS VA-  
CITY OF MANASSAS PARK VA-CITY OF FAIRFAX VA-CITY OF FALLS CHURCH VA-  
LOUDOUN VA-  
457 PM EDT THU JUN 18 2015  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT  
FOR FAIRFAX...CENTRAL PRINCE WILLIAM AND SOUTHEASTERN LOUDOUN  
COUNTIES...THE CITY OF MANASSAS...THE CITY OF MANASSAS PARK...THE  
CITY OF FAIRFAX AND THE CITY OF FALLS CHURCH...  
 
AT 456 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE  
THUNDERSTORMS CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF  
BALL SIZE AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS  
WERE LOCATED ALONG A LINE EXTENDING FROM NEAR ARCOLA TO CHANTILLY TO  
WOLF TRAP. THESE STORMS WERE NEARLY STATIONARY.  
 
IN ADDITION...A WIND GUST TO 64 MPH WAS RECORDED AT DULLES AIRPORT  
WITH THESE STORMS. TAKE COVER IMMEDIATELY!
 
 
LOCATIONS IMPACTED INCLUDE...  
FAIRFAX...VIENNA...FALLS CHURCH...RESTON...SOUTH RIDING...PIMMIT  
HILLS...MANTUA...DULLES INTERNATIONAL AIRPORT...ANNANDALE...  
CENTREVILLE...LAKE BARCROFT...TYSONS CORNER...MERRIFIELD...I66 AND  
I495 INTERCHANGE...CHANTILLY...WOLF TRAP...BULL RUN...OAKTON...ARCOLA  
AND BURKE.

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Pretty meh in Montgomery.  Got one public report of dime sized hail in Damascus and a "scary looking cloud" in Wheaton.   :lol:

 

IAD recorded a wind gust to 64 mph.

I'm just north of Damascus and thought I heard a few pings, but that was short lived. Mostly heavy rain with a wind gust of maybe 25mph. I think just north of Laytonsville may have seen a little more action.

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I'm just north of Damascus and thought I heard a few pings, but that was short lived. Mostly heavy rain with a wind gust of maybe 25mph. I think just north of Laytonsville may have seen a little more action.

The hail signature only appeared for about two or three frames on the radar and the VIL density never really got all that impressive.  Had two reports of dime sized hail from a co-worker and spotter respectively in Damascus.  Both reports were of hailstones pea to dime sized that were clear with no core.  Fairfax County is the winner today it seems.

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Time to start tracking Saturday as these move out of the area ;)

Ian on twitter earlier was talking about timing issues but that it still looked pretty good.

Yes indeed... 18z NAM soundings from 00z to 06z Sunday were pretty nice re HODO and SRH, as well as decent sbcape

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