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WWUS20 KWNS 151558

SEL7

SPC WW 151558

MDZ000-NCZ000-VAZ000-WVZ000-CWZ000-160000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 157

NWS STORM PREDICTION CENTER NORMAN OK

1155 AM EDT THU MAY 15 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL MARYLAND

  CENTRAL AND EASTERN NORTH CAROLINA

  CENTRAL VIRGINIA

  EASTERN WEST VIRGINIA PANHANDLE

  COASTAL WATERS



* EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 1155 AM UNTIL

  800 PM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES WEST

NORTHWEST OF HAGERSTOWN MARYLAND TO 40 MILES WEST OF WILMINGTON

NORTH CAROLINA.  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.



&&



DISCUSSION...A LINE OF ONGOING THUNDERSTORMS WILL INTENSIFY THIS

AFTERNOON WHILE SHIFTING EASTWARD THROUGH THE PIEDMONT. OTHER STORMS

MAY FORM AHEAD OF THE SQUALL LINE ACROSS THE PIEDMONT AND COASTAL

PLAINS AS THE ENVIRONMENT BECOMES MODERATELY UNSTABLE. WIND SHEAR

PROFILES WILL BE SUPPORTIVE OF EMBEDDED BOWING STRUCTURES AND

SUPERCELLS CAPABLE OF DAMAGING WIND GUSTS AND PERHAPS A TORNADO OR

TWO.



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

TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 21025.





...MEAD

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