Friday, May 31, 2013

Potentially Dangerous Situation Tornado Watch - May 31, 2013

URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 262
   NWS STORM PREDICTION CENTER NORMAN OK
   330 PM CDT FRI MAY 31 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF
     CENTRAL AND NORTHEAST OKLAHOMA

   * EFFECTIVE THIS FRIDAY AFTERNOON FROM 330 PM UNTIL MIDNIGHT CDT.

   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...

   * PRIMARY THREATS INCLUDE...
     SEVERAL INTENSE TORNADOES LIKELY
     NUMEROUS VERY LARGE HAIL EVENTS TO 4 INCHES IN DIAMETER LIKELY
     NUMEROUS DAMAGING WIND GUSTS LIKELY WITH SEVERAL SIGNIFICANT
       GUSTS TO 80 MPH POSSIBLE

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
   MILES EAST AND WEST OF A LINE FROM 20 MILES WEST NORTHWEST OF
   BARTLESVILLE OKLAHOMA TO 30 MILES EAST OF WICHITA FALLS TEXAS.
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU2).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   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 260...WW 261...

   DISCUSSION...AN EXTREMELY UNSTABLE AIR MASS HAS DEVELOPED ACROSS
   MUCH OF CENTRAL/EASTERN OK THIS AFTERNOON.  THIS WILL LIKELY RESULT
   IN RAPID DEVELOPMENT OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
   EVENING ALONG THE DRYLINE OVER WEST-CENTRAL OK...AND ALONG A WEAK
   BOUNDARY EXTENDING NORTHEASTWARD INTO NORTHEAST OK.  DISCRETE
   SUPERCELLS CAPABLE OF EXTREMELY LARGE HAIL AND DAMAGING TORNADOES
   ARE POSSIBLE.  DAMAGING WINDS WILL BECOME AN INCREASING THREAT
   THROUGH THE EVENING.

   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   600. MEAN STORM MOTION VECTOR 26025.

No comments: