

000 

WWUS20 KWNS 152356

SEL7

SPC WW 152356

CTZ000-MAZ000-NYZ000-RIZ000-CWZ000-160700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 937

NWS STORM PREDICTION CENTER NORMAN OK

650 PM EST SAT NOV 15 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CONNECTICUT

       MASSACHUSETTS

       SOUTHEASTERN NEW YORK

       RHODE ISLAND

       COASTAL WATERS



EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 650 PM

UNTIL 200 AM EST.



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 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF

WORCESTER MASSACHUSETTS TO 20 MILES EAST SOUTHEAST OF ISLIP NEW

YORK.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 934...WW 935...WW 936...



DISCUSSION...BROKEN BAND OF SHOWERS/OCCASIONAL TSTMS OVER THE LWR

HUDSON VLY SWD INTO NJ EXPECTED TO CONTINUE ENE INTO NEW ENG LATER

THIS EVE AS INDIVIDUAL CELLS MOVE RAPIDLY NNE ALONG IT.  BOUNDARY

LAYER HAS SLIGHTLY WARMED/MOISTENED IN THE PAST 2 HRS ACROSS

WW...AND MAIN SFC LOW OVER UPSTATE NY IS EXPECTED TO CONTINUE

DEEPENING /LIKELY MAINTAINING AXIS OF CONVERGENCE ALONG CONVECTIVE

BAND/.  ALTHOUGH LOW LVL LAPSE RATES WILL REMAIN WEAK...COMBINATION

OF STRONG WIND FIELD WITH EXISTING UPDRAFTS SUGGESTS AN EWD SPREAD

OF ISOLD TORNADO THREAT FROM THE LWR HUDSON VLY/NRN NJ INTO

SRN/CNTRL NEW ENG.



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

300. MEAN STORM MOTION VECTOR 22045.





...CORFIDI

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