

335 

WWUS20 KWNS 200007

SEL5

SPC WW 200007

DEZ000-NJZ000-NYZ000-PAZ000-CWZ000-200300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 135

NWS STORM PREDICTION CENTER NORMAN OK

810 PM EDT FRI APR 19 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  DELAWARE

  NEW JERSEY

  EXTREME SOUTHEAST NEW YORK

  EXTREME EASTERN PENNSYLVANIA

  COASTAL WATERS



* EFFECTIVE THIS FRIDAY EVENING FROM 810 PM UNTIL 1100 PM EDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 30

STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES WEST

NORTHWEST OF POUGHKEEPSIE NEW YORK TO 25 MILES SOUTHWEST OF

SALISBURY MARYLAND.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 130...WW 131...WW

132...WW 133...WW 134...



DISCUSSION...QLCS WILL CONTINUE TO PROGRESS EWD THIS EVENING ACROSS

SE NY/NJ/DE...WITH WEAKENING EXPECTED BY THE TIME IT REACHES THE

COAST AND THE COOLER MARINE INFLUENCE.  UNTIL THEN...EMBEDDED BOWING

STRUCTURES MOVING FROM NE PA INTO NRN NY/SE NY...AND FROM THE ERN

SHORE OF MD INTO DE/SRN NJ...WILL POSE A RISK FOR AT LEAST ISOLATED

DAMAGING WINDS.



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 400. MEAN STORM

MOTION VECTOR 24040.





...THOMPSON

