PDS No 2
Posted by JAC on 4/26/2011, 4:16 pm



URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 217
  NWS STORM PREDICTION CENTER NORMAN OK
  305 PM CDT TUE APR 26 2011
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
         EASTERN ARKANSAS
         SOUTHEAST ILLINOIS
         WESTERN KENTUCKY
         SOUTHEAST MISSOURI INCLUDING THE BOOTHEEL
         NORTHWEST MISSISSIPPI
         WEST TENNESSEE
 
  EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
  1000 PM CDT.
 
 ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
 
  DESTRUCTIVE TORNADOES...LARGE 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 70 STATUTE
  MILES EAST AND WEST OF A LINE FROM 75 MILES NORTH OF FORT
  CAMPBELL KENTUCKY TO 35 MILES EAST OF EL DORADO ARKANSAS.  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.
 
  OTHER WATCH INFORMATION...CONTINUE...WW 213...WW 214...WW
  215...WW 216...
 
  DISCUSSION...THUNDERSTORMS ARE INTENSIFYING ALONG A WEAK SURFACE
  BOUNDARY EXTENDING FROM CENTRAL AR INTO WESTERN KY.  A FEW OF THESE
  INITIAL STORMS WILL LIKELY BECOME SUPERCELLS WITH A RISK OF LARGE
  HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES.  THE RISK OF
  SIGNIFICANT SEVERE WEATHER WILL INCREASE THROUGH THE EVENING AS
  STORMS FORM TO THE SOUTHWEST AND MOVE INTO THE WATCH AREA.  VERY
  STRONG SHEAR PROFILES DURING THE LATTER HALF OF THE WATCH PERIOD
  SUGGEST THAT PDS WORDING IS APPROPRIATE...WITH STRONG TORNADOES
  POSSIBLE.
 
  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 24035.
 
 
  ...HART
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Todays out break - Fred, 4/26/2011, 11:58 am
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