

576 

WWUS20 KWNS 151744

SEL3

SPC WW 151744

CTZ000-DCZ000-DEZ000-MDZ000-NCZ000-NJZ000-NYZ000-PAZ000-VAZ000-WVZ00

0-CWZ000-160100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 423

NWS STORM PREDICTION CENTER NORMAN OK

145 PM EDT TUE JUL 15 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHWEST CONNECTICUT

  DISTRICT OF COLUMBIA

  DELAWARE

  CENTRAL AND EASTERN MARYLAND

  NORTHERN NORTH CAROLINA

  NEW JERSEY

  SOUTHEAST NEW YORK

  SOUTHEAST PENNSYLVANIA

  CENTRAL AND EASTERN VIRGINIA

  EASTERN WEST VIRGINIA PANHANDLE

  COASTAL WATERS



* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 145 PM UNTIL

  900 PM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY

  SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

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

BRIDGEPORT CONNECTICUT TO 25 MILES WEST SOUTHWEST OF SOUTH HILL

VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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...THUNDERSTORMS ARE INTENSIFYING WITHIN A MOIST AND

UNSTABLE AIRMASS FROM THE NYC AREA SOUTHWESTWARD INTO NORTHERN NC.

RATHER STRONG WINDS ALOFT AND DEGREE OF INSTABILITY WILL PROMOTE THE

RISK OF DAMAGING DOWNBURST WINDS THROUGH MUCH OF THE AFTERNOON.



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 24030.





...HART

