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Severe Thunderstorm Watch 156
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WW0156 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate 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.
   SEL6

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 156
   NWS STORM PREDICTION CENTER NORMAN OK
   705 PM EDT WED MAY 14 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     EXTREME WESTERN NEW YORK
     WESTERN PENNSYLVANIA
     NORTHERN WEST VIRGINIA
     LAKE ERIE
     LAKE ONTARIO

   * EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 705 PM
     UNTIL 100 AM EDT.

   * PRIMARY THREATS INCLUDE...
     ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
   STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES WEST
   SOUTHWEST OF MORGANTOWN WEST VIRGINIA TO 30 MILES NORTH NORTHWEST
   OF BUFFALO NEW YORK.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
   THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

   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 153...WW 154...WW 155...

   DISCUSSION...SPORADIC SVR TSTMS ARE EXPECTED TO MOVE NEWD TO NNEWD
   ACROSS WW AREA IN NARROW CORRIDOR OF FAVORABLE WARM-SECTOR/BOUNDARY
   LAYER AIR...LOCATED W OF FRONTAL ZONE LOCATED OVER WRN PA.  MAIN
   CONCERNS WILL BE HAIL AND DAMAGING GUSTS...AMIDST 30-40 KT
   EFFECTIVE-SHEAR MAGNITUDE AND 500-1000 J/KG INITIAL MLCAPE...LATTER
   DECREASING GRADUALLY WITH TIME THIS EVENING.

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 23035.


   ...EDWARDS
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Page last modified: May 15, 2014
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