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

Tuesday, January 25, 2011

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

SPC Tornado Watch 7
Tue, 25 Jan 2011 13:10:02 -0600

URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 7 NWS STORM PREDICTION CENTER NORMAN OK 210 PM EST TUE JAN 25 2011 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF MUCH OF THE FLORIDA PENINSULA COASTAL WATERS EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 210 PM UNTIL 900 PM EST. TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH SOUTHWEST OF AVON PARK FLORIDA TO 15 MILES NORTHWEST OF ST AUGUSTINE FLORIDA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7). 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. DISCUSSION...SQUALL LINE NERN GULF WILL BE MOVING ONSHORE INTO AN INCREASINGLY FAVORABLE AIR MASS FOR SEVERE STORMS AND POSSIBLE SUPERCELLS. MLCAPES HAVE CLIMBED TO AOA 500 J/KG ALONG WITH STEADILY IMPROVING SHEAR PROFILES WITH APPROACH OF STRONG UPPER TROUGH AND SURFACE LOW. IN ADDITION TO POTENTIAL SEVERE INCLUDING ISOLATED TORNADOES WITH THE SQUALL LINE...MORE DISCRETE CONVECTION IS NOW DEVELOPING IN WCENTRAL FL AND WILL POTENTIALLY DEVELOP INTO LOW TOPPED SUPERCELLS/POSSIBLE TORNADOES AS THEY TRACK NEWD ACROSS CENTRAL AND NERN FL AHEAD OF THE SQUALL LINE THIS AFTERNOON. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 24035. ...HALES

SPC Tornado Watch 7 Status Reports
Tue, 25 Jan 2011 13:10:11 -0600

  STATUS REPORT ON WW 5  SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SSE EYW TO 20 S MTH TO 30 NE MTH TO 25 W MIA TO 30 WNW MIA TO 40 SE PBI.  REMAINDER WW MAY BE ALLOWED TO EXPIRE AT 00Z.   FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 26.  ..EDWARDS..01/17/11  ATTN...WFO...MFL...KEY...   STATUS REPORT FOR WT 5   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   FLC011-086-180040-  FL  .    FLORIDA COUNTIES INCLUDED ARE  BROWARD              MIAMI-DADE             AMZ630-651-GMZ031-052-053-180040-  CW   .    ADJACENT COASTAL WATERS INCLUDED ARE  BISCAYNE BAY   COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF FL OUT 20 NM   FLORIDA BAY   COASTAL WATERS FROM OCEAN REEF TO CRAIG KEY OUT 20 NM

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