Tuesday, March 8, 2011

NOAA's National Weather Service SPC Tornado/Severe Thunderstorm Watches Update

SPC Tornado Watch 43
Tue, 08 Mar 2011 13:36:02 -0600


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  URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 43 NWS STORM PREDICTION CENTER NORMAN OK 135 PM CST TUE MAR 8 2011  THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF          PARTS OF SOUTHWEST ARKANSAS        SOUTHEAST OKLAHOMA        PARTS OF NORTH CENTRAL AND NORTHEAST TEXAS  EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 135 PM UNTIL 800 PM CST.  TORNADOES...HAIL TO 2.5 INCHES 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 25 MILES NORTH NORTHEAST OF MCALESTER OKLAHOMA TO 85 MILES SOUTH OF PARIS TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).  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 42...  DISCUSSION...AIR MASS ALONG AND E OF N/S DRY LINE HAS DESTABILIZED  WITH MLCAPES AOA 1500 J/KG WITH FAVORABLE SHEAR PROFILES IN PLACE FOR SUPERCELLS.  THUNDERSTORMS ARE DEVELOPING ALONG DRY LINE AND WILL INCREASE IN NUMBER AND INTENSITY THRU THE AFTERNOON AS THEY MOVE EWD.  WHILE LARGE HAIL IS LIKELY WITH ANY SUPERCELL...A TORNADO THREAT IS ALSO EXPECTED GIVEN THE STRONG MID/UPPER SHEAR ACROSS THE AREA AHEAD OF UPPER TROUGH.  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24030.   ...HALES  
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SPC Tornado Watch 43 Status Reports
Tue, 08 Mar 2011 13:36:11 -0600


WW 0043 Thumbnail Image

  STATUS FOR WATCH 0043 HAS NOT BEEN ISSUED YET 
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