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Severe Thunderstorm Watch 497
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WW0497 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
High Low
Severe Hail 2"+ Hail
Low Very Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL7
   0-

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 497
   NWS STORM PREDICTION CENTER NORMAN OK
   125 PM EDT SAT SEP 6 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     CONNECTICUT
     MASSACHUSETTS
     MAINE
     NEW HAMPSHIRE
     NEW JERSEY
     EASTERN NEW YORK
     RHODE ISLAND
     SOUTHERN VERMONT
     COASTAL WATERS

   * EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 125 PM UNTIL
     900 PM EDT.

   * PRIMARY THREATS INCLUDE...
     WIDESPREAD DAMAGING WIND GUSTS TO 70 MPH LIKELY
     ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE
     A TORNADO OR TWO POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
   STATUTE MILES EITHER SIDE OF A LINE FROM 80 MILES NORTH NORTHEAST
   OF BANGOR MAINE TO 45 MILES WEST SOUTHWEST OF BRIDGEPORT
   CONNECTICUT.  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...TSTMS EXPECTED TO INCREASE IN COVERAGE/STRENGTH THROUGH
   EARLY EVE AS SFC HEATING FURTHER DESTABILIZES REGION OF WEAK HEIGHT
   FALLS AHEAD OF AMPLIFYING...LARGE-SCALE CANADIAN TROUGH. DEVELOPMENT
   SHOULD FOCUS ALONG/AHEAD OF COLD FRONT NOW ENTERING THE MID-HUDSON
   VLY AND NRN VT-NH...ALONG LEE TROUGH FROM NRN NJ/SE NY INTO SW NEW
   ENGLAND...AND ALONG ARC OF ASCENT ASSOCIATED WITH LONG-LIVED UPR
   IMPULSE NOW EXTENDING FROM ERN MA NEWD INTO ERN ME. 
   AREA VWPS /WITH 40+ KT WLY 3 KM FLOW/ SHOW AMPLE WLY DEEP SHEAR FOR
   ORGANIZED/SUSTAINED STORMS...WITH TRANSIENT SUPERCELLS AND SMALL
   BOWS POSING A RISK FOR DMGG WIND AND POSSIBLY LOCALLY SVR HAIL. A
   TORNADO OR TWO ALSO COULD OCCUR BEFORE STORMS MERGE INTO
   LINES/CLUSTERS.

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
   A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION
   VECTOR 26035.


   ...CORFIDI
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Page last modified: September 07, 2014
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