Sunday, October 24, 2010

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

SPC Tornado Watch 711
Mon, 25 Oct 2010 01:39:03 -0500


WW 0711 Thumbnail Image

  URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 711 NWS STORM PREDICTION CENTER NORMAN OK 135 AM CDT MON OCT 25 2010  THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF          CENTRAL AND NORTHERN ALABAMA        WESTERN GEORGIA  EFFECTIVE THIS MONDAY MORNING FROM 135 AM UNTIL 900 AM CDT.  TORNADOES...HAIL TO 2 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 90 STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHEAST OF HUNTSVILLE ALABAMA TO 40 MILES SOUTH OF SELMA ALABAMA.  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 709...WW 710...  DISCUSSION...ERN MS SQLN WITH EMBEDDED SUPERCELLS EXPECTED TO CONTINUE ENE ACROSS AL LATER THIS MORNING...WHILE ISOLD STORMS CONTINUE TO FORM AND MOVE NE ALONG CONFLUENCE ZONE/MOISTURE GRADIENT IN S CNTRL/SE AL.  CONTINUED ENE MOTION OF AR/NRN LA UPR IMPULSE SHOULD ENHANCE DEEP SHEAR AND MID LVL COOLING ACROSS AL OVER THE NEXT SEVERAL HOURS AS WSW/ENE OUTFLOW BOUNDARY OVER NRN AL DRIFTS SLOWLY NWD. THIS MAY FOSTER INTENSIFICATION OF EXISTING STORMS...AND A THREAT FOR A COUPLE TORNADOES...IN ADDITION TO SVR HAIL/LOCALLY DMGG WIND.  AVIATION...TORNADOES AND 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 24035.   ...CORFIDI  
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SPC Tornado Watch 711 Status Reports
Mon, 25 Oct 2010 01:39:11 -0500


WW 0711 Thumbnail Image

  STATUS FOR WATCH 0711 HAS NOT BEEN ISSUED YET 
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