Squall Line Moving thru Cntrl FL
Posted by JAC on 2/5/2010, 3:41 pm


URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 15
  NWS STORM PREDICTION CENTER NORMAN OK
  205 PM EST FRI FEB 5 2010
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
         MUCH OF CENTRAL FLORIDA AND PARTS OF SOUTH FLORIDA
         COASTAL WATERS
 
  EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 205 PM UNTIL 800
  PM EST.
 
  ISOLATED TORNADOES
  WIDELY SCATTERED DAMAGING WINDS TO 70 MPH
 
  THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
  MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF ORLANDO
  FLORIDA TO 35 MILES SOUTH SOUTHWEST OF NAPLES FLORIDA.  FOR A
  COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
  UPDATE (WOUS64 KWNS WOU5).
 
  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...A BROKEN BAND OF THUNDERSTORMS IS APPROACHING THE W
  COAST OF FL IN ADVANCE OF A COLD FRONT AND EJECTING MID LEVEL
  TROUGH.  LOW-LEVEL WARMING/MOISTENING ACROSS S/CENTRAL FL HAS
  RESULTED IN SUFFICIENT INSTABILITY TO MAINTAIN THE CONVECTION ACROSS
  THE PENINSULA THROUGH THE AFTERNOON/EVENING.  GIVEN THE OBSERVED
  SEMI-DISCRETE STRUCTURES WITHIN THE BAND...AND ALREADY STRONG
  VERTICAL SHEAR...THERE WILL BE SOME POTENTIAL FOR DAMAGING WINDS AND
  AN ISOLATED TORNADO OR TWO.
 
  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 26030.
 
 
  ...THOMPSON

Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Low Low
Severe Hail 2"+ Hail
Very Low Very Low


  SEL5
 
  URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 15
  NWS STORM PREDICTION CENTER NORMAN OK
  205 PM EST FRI FEB 5 2010
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
         MUCH OF CENTRAL FLORIDA AND PARTS OF SOUTH FLORIDA
         COASTAL WATERS
 
  EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 205 PM UNTIL 800
  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 70 STATUTE
  MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF ORLANDO
  FLORIDA TO 35 MILES SOUTH SOUTHWEST OF NAPLES FLORIDA.  FOR A
  COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
  UPDATE (WOUS64 KWNS WOU5).
 
  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...A BROKEN BAND OF THUNDERSTORMS IS APPROACHING THE W
  COAST OF FL IN ADVANCE OF A COLD FRONT AND EJECTING MID LEVEL
  TROUGH.  LOW-LEVEL WARMING/MOISTENING ACROSS S/CENTRAL FL HAS
  RESULTED IN SUFFICIENT INSTABILITY TO MAINTAIN THE CONVECTION ACROSS
  THE PENINSULA THROUGH THE AFTERNOON/EVENING.  GIVEN THE OBSERVED
  SEMI-DISCRETE STRUCTURES WITHIN THE BAND...AND ALREADY STRONG
  VERTICAL SHEAR...THERE WILL BE SOME POTENTIAL FOR DAMAGING WINDS AND
  AN ISOLATED TORNADO OR TWO.
 
  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 26030.
 
 
  ...THOMPSON

Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Low Low
Severe Hail 2"+ Hail
Very Low Very Low


Note: Click for Watch Status Reports.

  WOUS64 KWNS 051901
  WOU5
 
  BULLETIN - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH OUTLINE UPDATE FOR WT 15
  NWS STORM PREDICTION CENTER NORMAN OK
  205 PM EST FRI FEB 5 2010
 
  TORNADO WATCH 15 IS IN EFFECT UNTIL 800 PM EST FOR THE
   FOLLOWING LOCATIONS
 
  FLC009-015-017-021-027-043-049-051-053-055-057-061-069-071-081-
  085-093-095-097-101-103-105-111-115-117-119-127-060100-
  /O.NEW.KWNS.TO.A.0015.100205T1905Z-100206T0100Z/
 
  FL
  .    FLORIDA COUNTIES INCLUDED ARE
 
  BREVARD              CHARLOTTE           CITRUS              
  COLLIER              DESOTO              GLADES              
  HARDEE               HENDRY              HERNANDO            
  HIGHLANDS            HILLSBOROUGH        INDIAN RIVER        
  LAKE                 LEE                 MANATEE            
  MARTIN               OKEECHOBEE          ORANGE              
  OSCEOLA              PASCO               PINELLAS            
  POLK                 SARASOTA            SEMINOLE            
  ST. LUCIE            SUMTER              VOLUSIA            
 
 
  AMZ550-552-555-GMZ656-830-853-856-060100-
  /O.NEW.KWNS.TO.A.0015.100205T1905Z-100206T0100Z/
 
  CW
 
  .    ADJACENT COASTAL WATERS INCLUDED ARE
 
  FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20 NM
 
  VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20 NM
 
  SEBASTIAN INLET TO JUPITER INLET 0-20 NM
 
  COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL OUT 20 NM
 
  TAMPA BAY WATERS
 
  COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM
 
  COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM
 
  ATTN...WFO...MLB...TBW...MFL...
 
 
 

Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Low Low
Severe Hail 2"+ Hail
Very Low Very Low


Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.

  SAW5
  WW 15 TORNADO FL CW 051905Z - 060100Z
  AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
  35N ORL/ORLANDO FL/ - 35SSW APF/NAPLES FL/
  ..AVIATION COORDS.. 60NM E/W /19SW OMN - 54S FMY/
  HAIL SURFACE AND ALOFT..0.5 INCH. WIND GUSTS..60 KNOTS.
  MAX TOPS TO 450. MEAN STORM MOTION VECTOR 26030.
 
  LAT...LON 29048016 25688086 25688311 29048248
 
  THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
  COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
  FOR WOU5.
 

Watch 15 Status Report Message has not been issued yet.


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Major Winter Event: Mid Atlantic & Ohio Valley. Blizzard Warnings Up DE & NJ Coast - JAC, 2/4/2010, 2:29 pm
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