

248 

WWUS20 KWNS 110813

SEL9

SPC WW 110813

DEZ000-NJZ000-CWZ000-111600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 739

NWS STORM PREDICTION CENTER NORMAN OK

405 AM EDT FRI SEP 11 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       DELAWARE

       SOUTHERN AND CENTRAL NEW JERSEY

       COASTAL WATERS



EFFECTIVE THIS FRIDAY MORNING FROM 405 AM UNTIL NOON EDT.



TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 30 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHEAST OF

LAKEHURST NEW JERSEY TO 35 MILES SOUTH SOUTHEAST OF DOVER

DELAWARE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



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.



DISCUSSION...SFC LOW NOW APPROX. 75 NM E OF OCEAN CITY MD EXPECTED

TO CONTINUE SLOWLY N OR POSSIBLY NNW THROUGH LATER THIS MORNING.

BELT OF MODERATE TO STG ESE 925-700 MB FLOW WILL ADVECT A TONGUE OF

INCREASINGLY WARM/MOIST AIR WNWWD INTO DELAWARE BAY AND SRN/CNTRL

NJ.  COUPLED WITH STRONGLY VEERING LOW LVL WIND PROFILES AND

CONVERGENT LOW LVL FLOW...SETUP MAY YIELD SMALL CLUSTERS OF STORMS

WITH LOW LVL ROTATION/ISOLD TORNADOES.



AVIATION...TORNADOES AND 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 12035.





...CORFIDI

