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WWUS20 KWNS 211543

SEL4

SPC WW 211543

DCZ000-DEZ000-MDZ000-NCZ000-VAZ000-CWZ000-212200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 24

NWS STORM PREDICTION CENTER NORMAN OK

1040 AM EST FRI FEB 21 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  DISTRICT OF COLUMBIA

  DELAWARE

  CENTRAL AND EASTERN MARYLAND

  NORTHEAST NORTH CAROLINA

  CENTRAL AND EASTERN VIRGINIA

  COASTAL WATERS



* EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 1040 AM UNTIL

  500 PM EST.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  NUMEROUS DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS

    TO 75 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES EAST SOUTHEAST OF

ROANOKE RAPIDS NORTH CAROLINA TO 25 MILES NORTHWEST OF DOVER

DELAWARE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 22...WW 23...



DISCUSSION...PRE-FRONTAL TSTMS/SQLN NOW IN S CNTRL VA EXPECTED

ACCELERATE ENEWD THROUGH LATER TODAY WHILE DEVELOPING NWD IN

RESPONSE TO BOTH SFC HEATING AND APPROACH OF SECONDARY UPR VORT NOW

PIVOTING NE ACROSS THE UPR OH VLY. ASSOCIATED DESTABILIZATION AND

STRENGTHENING OF WIND FIELD SUGGEST LIKELIHOOD FOR EMBEDDED

LEWPS/SMALL BOWS WITH A RISK FOR DMGG WIND AND...ESPECIALLY OVER SE

VA...NE NC...AND THE DELMARVA PENINSULA...TORNADOES.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.

MEAN STORM MOTION VECTOR 22055.





...CORFIDI

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