Tuesday, February 1, 2011

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

SPC Tornado Watch 11
Tue, 01 Feb 2011 18:24:02 -0600


WW 0011 Thumbnail Image

  URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 11 NWS STORM PREDICTION CENTER NORMAN OK 620 PM CST TUE FEB 1 2011  THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF          SOUTHEAST ALABAMA        WESTERN AND CENTRAL FLORIDA PANHANDLE        SOUTHWEST GEORGIA        COASTAL WATERS  EFFECTIVE THIS TUESDAY EVENING FROM 620 PM UNTIL 1100 PM CST.  TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.  THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHWEST OF DOTHAN ALABAMA TO 25 MILES WEST SOUTHWEST OF PANAMA CITY FLORIDA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).  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 10...  DISCUSSION...SRN AL/FAR WRN FL PANHANDLE SQLN EXPECTED TO CONTINUE E AT 40+ KTS...WHILE INDIVIDUAL STORMS/LEWPS MOVE NNE ALONG IT AT A SOMEWHAT GREATER SPEED.  AHEAD OF THE SQLN...MORE ISOLD STORMS HAVE FORMED ALONG A CONFLUENCE AXIS EXTENDING FROM SE AL SSW INTO THE GULF OF MEXICO /REF MCD 75/.  WHILE SFC-BASED INSTABILITY WILL REMAIN WEAK...KEVX VWP APPEARS FAVORABLE FOR SUSTAINED SUPERCELLS...GIVEN EXISTING STORMS.  COUPLED WITH GLANCING INFLUENCE OF INTENSE MS VLY UPR VORT...SETUP MAY SUPPORT A CONTINUED RISK FOR ISOLD TORNADOES AND LOCALLY DMGG WIND GUSTS.  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION VECTOR 23045.   ...CORFIDI  
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SPC Tornado Watch 11 Status Reports
Tue, 01 Feb 2011 18:24:11 -0600


WW 0011 Thumbnail Image

  STATUS FOR WATCH 0011 HAS NOT BEEN ISSUED YET 
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