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Severe Thunderstorm Watch 203
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WW0203 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 203
   NWS STORM PREDICTION CENTER NORMAN OK
   140 PM EDT TUE MAY 21 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   
   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     NORTHWEST CONNECTICUT
     WESTERN MASSACHUSETTS
     NEW YORK
     SOUTHERN VERMONT
     LAKE ERIE
     LAKE ONTARIO
   
   * EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
     900 PM EDT.
   
   * PRIMARY THREATS INCLUDE...
     SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
       INCHES IN DIAMETER POSSIBLE
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES WEST
   NORTHWEST OF BUFFALO NEW YORK TO 30 MILES SOUTH SOUTHEAST OF
   PITTSFIELD MASSACHUSETTS.  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.
   
   &&
   
   OTHER WATCH INFORMATION...CONTINUE...WW 201...WW 202...
   
   DISCUSSION...SCATTERED VIGOROUS STORM DEVELOPMENT IS UNDERWAY
   NEAR/SOUTH OF A FRONTAL ZONE EXTENDING ACROSS THE LOWER GREAT LAKES
   REGION INTO NEW ENGLAND.  IN THE PRESENCE OF THERMODYNAMIC PROFILES
   CHARACTERIZED BY FAIRLY STEEP MID-LEVEL LAPSE RATES AND LARGE
   CAPE...SHEAR BENEATH 30 KT WEST NORTHWESTERLY MID-LEVEL FLOW MAY
   SUPPORT ORGANIZED STORM DEVELOPMENT...PERHAPS AT LEAST BRIEF
   SUPERCELL STRUCTURES.  WITH TIME...CONSOLIDATION OF COLD POOLS
   GENERATED BY ACTIVITY MAY OCCUR...RESULTING IN ONE OR MORE EAST
   SOUTHEASTWARD PROGRESSING SMALL STORM CLUSTERS WITH THE RISK FOR
   POTENTIALLY DAMAGING WIND GUSTS...IN ADDITION TO SEVERE HAIL.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 29025.
   
   
   ...KERR
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Page last modified: May 22, 2013
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