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June 24-? severe weather discussion


Ian

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The back of my house faces due west with a clear view of the sky. Cannot wait to watch storms roll in!

You moved already?

Nah, official moving day is next Friday. But the house is ours so we are there now

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Pre derecho wedgefest

This is pretty classic DC. We'll probably see the stuff near us congeal into a semi organized cluster (token warnings with verification in a few isolated spots). Then we will all watch the line fizzle into stratiform precip as it heads towards us into the overturned airmass. I think I've got DC down really well now. Only took me 21 years. 

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SEL7

URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 387

NWS STORM PREDICTION CENTER NORMAN OK

210 PM EDT FRI JUN 28 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

DISTRICT OF COLUMBIA

DELAWARE

CENTRAL AND EASTERN MARYLAND

CENTRAL AND SOUTHERN NEW JERSEY

SOUTHEAST PENNSYLVANIA

NORTHEAST VIRGINIA

COASTAL WATERS

* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 210 PM UNTIL

900 PM EDT.

* PRIMARY THREATS INCLUDE...

SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH

SOUTHEAST OF WASHINGTON DISTRICT OF COLUM TO 15 MILES NORTH OF

TRENTON NEW JERSEY. FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 385...WW 386...

DISCUSSION...A FURTHER INCREASE IN TSTM COVERAGE IS ANTICIPATED THIS

AFTERNOON ALONG A DEVELOPING LEE TROUGH WERE THE ENVIRONMENT HAS

BECOME UNCAPPED WITH MLCAPE APPROACHING 2000 J/KG. CURRENT VAD DATA

INDICATE THAT 50 KT WLY WINDS HAVE OVERSPREAD THE REGION AT 6 KM AGL

WHICH IS RESULTING IN SUFFICIENT VERTICAL SHEAR FOR SUPERCELLS AND

BOWING STRUCTURES CAPABLE OF DAMAGING WINDS AND PERHAPS SOME HAIL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27030.

...MEAD

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Wow we would get left out. SPC is going to pay for this. 

 

You don't have to worry anymore ;)

 

SEVERE THUNDERSTORM WATCH 387 IS IN EFFECT UNTIL 900 PM EDT

FOR THE FOLLOWING LOCATIONS

MDC003-005-009-011-013-015-017-019-025-027-029-031-033-035-037-

039-041-045-047-510-290100-

/O.NEW.KWNS.SV.A.0387.130628T1810Z-130629T0100Z/

MD

.    MARYLAND COUNTIES INCLUDED ARE

ANNE ARUNDEL         BALTIMORE           CALVERT

CAROLINE             CARROLL             CECIL

CHARLES              DORCHESTER          HARFORD

HOWARD               KENT                MONTGOMERY

PRINCE GEORGES       QUEEN ANNE`S        SOMERSET

ST. MARYS            TALBOT              WICOMICO

WORCESTER

MARYLAND INDEPENDENT CITIES INCLUDED ARE

BALTIMORE CITY

$$

 

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DISCUSSION...A FURTHER INCREASE IN TSTM COVERAGE IS ANTICIPATED THIS

AFTERNOON ALONG A DEVELOPING LEE TROUGH WERE THE ENVIRONMENT HAS

BECOME UNCAPPED WITH MLCAPE APPROACHING 2000 J/KG. CURRENT VAD DATA

INDICATE THAT 50 KT WLY WINDS HAVE OVERSPREAD THE REGION AT 6 KM AGL

WHICH IS RESULTING IN SUFFICIENT VERTICAL SHEAR FOR SUPERCELLS AND

BOWING STRUCTURES CAPABLE OF DAMAGING WINDS AND PERHAPS SOME HAIL.

 

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URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 387
   NWS STORM PREDICTION CENTER NORMAN OK
   210 PM EDT FRI JUN 28 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
     DISTRICT OF COLUMBIA
     DELAWARE
     CENTRAL AND EASTERN MARYLAND
     CENTRAL AND SOUTHERN NEW JERSEY
     SOUTHEAST PENNSYLVANIA
     NORTHEAST VIRGINIA
     COASTAL WATERS

   * EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 210 PM UNTIL
     900 PM EDT.

   * PRIMARY THREATS INCLUDE...
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
   STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH
   SOUTHEAST OF WASHINGTON DISTRICT OF COLUM TO 15 MILES NORTH OF
   TRENTON NEW JERSEY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
   THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
   AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
   THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
   AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 385...WW 386...

   DISCUSSION...A FURTHER INCREASE IN TSTM COVERAGE IS ANTICIPATED THIS
   AFTERNOON ALONG A DEVELOPING LEE TROUGH WERE THE ENVIRONMENT HAS
   BECOME UNCAPPED WITH MLCAPE APPROACHING 2000 J/KG.  CURRENT VAD DATA
   INDICATE THAT 50 KT WLY WINDS HAVE OVERSPREAD THE REGION AT 6 KM AGL
   WHICH IS RESULTING IN SUFFICIENT VERTICAL SHEAR FOR SUPERCELLS AND
   BOWING STRUCTURES CAPABLE OF DAMAGING WINDS AND PERHAPS SOME HAIL.

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 27030.


 

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