Very high risk for hail
Posted by JAC on 6/13/2009, 4:34 pm


URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 398
  NWS STORM PREDICTION CENTER NORMAN OK
  320 PM CDT SAT JUN 13 2009
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
          PART OF SOUTHWEST OKLAHOMA
          MUCH OF NORTHWEST TEXAS
 
  EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
  1100 PM CDT.
 
  TORNADOES...HAIL TO 4 INCHES IN DIAMETER...THUNDERSTORM WIND
  GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
  AREAS.
 
  THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
  MILES NORTH AND SOUTH OF A LINE FROM 110 MILES WEST NORTHWEST OF
  ABILENE TEXAS TO 5 MILES EAST SOUTHEAST OF WICHITA FALLS TEXAS.
  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
  OUTLINE UPDATE (WOUS64 KWNS WOU8).
 
  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 397...
 
  DISCUSSION...THUNDERSTORMS ARE DEVELOPING ON THE WESTERN EDGE OF A
  VERY TO EXTREMELY UNSTABLE AIRMASS WITH MLCAPES AOA 4500 J/KG.
  SHEAR SUFFICIENT TO SUPPORT SUPERCELLS WHICH COMBINED WITH THE
  INSTABILITY WILL BE SUPPORTIVE OF VERY LARGE HAIL AND AT LEAST
  ISOLATED TORNADOES.  STORMS WILL PROPAGATE INTO A PROGRESSIVELY MORE
  FAVORABLE SHEAR ENVIRONMENT AS THEY MOVE ACROSS THE WATCH AREA.
 
  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
  SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
  WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
  600. MEAN STORM MOTION VECTOR 24020.
 
 
  ...HALES

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


  SEL8
 
  URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 398
  NWS STORM PREDICTION CENTER NORMAN OK
  320 PM CDT SAT JUN 13 2009
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
          PART OF SOUTHWEST OKLAHOMA
          MUCH OF NORTHWEST TEXAS
 
  EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
  1100 PM CDT.
 
  TORNADOES...HAIL TO 4 INCHES IN DIAMETER...THUNDERSTORM WIND
  GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
  AREAS.
 
  THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
  MILES NORTH AND SOUTH OF A LINE FROM 110 MILES WEST NORTHWEST OF
  ABILENE TEXAS TO 5 MILES EAST SOUTHEAST OF WICHITA FALLS TEXAS.
  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
  OUTLINE UPDATE (WOUS64 KWNS WOU8).
 
  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 397...
 
  DISCUSSION...THUNDERSTORMS ARE DEVELOPING ON THE WESTERN EDGE OF A
  VERY TO EXTREMELY UNSTABLE AIRMASS WITH MLCAPES AOA 4500 J/KG.
  SHEAR SUFFICIENT TO SUPPORT SUPERCELLS WHICH COMBINED WITH THE
  INSTABILITY WILL BE SUPPORTIVE OF VERY LARGE HAIL AND AT LEAST
  ISOLATED TORNADOES.  STORMS WILL PROPAGATE INTO A PROGRESSIVELY MORE
  FAVORABLE SHEAR ENVIRONMENT AS THEY MOVE ACROSS THE WATCH AREA.
 
  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
  SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
  WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
  600. MEAN STORM MOTION VECTOR 24020.
 
 
  ...HALES

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


Note: Click for Watch Status Reports.

  WOUS64 KWNS 132014
  WOU8
 
  BULLETIN - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH OUTLINE UPDATE FOR WT 398
  NWS STORM PREDICTION CENTER NORMAN OK
  320 PM CDT SAT JUN 13 2009
 
  TORNADO WATCH 398 IS IN EFFECT UNTIL 1100 PM CDT FOR THE
    FOLLOWING LOCATIONS
 
  OKC055-057-065-075-141-140400-
  /O.NEW.KWNS.TO.A.0398.090613T2020Z-090614T0400Z/
 
  OK
  .    OKLAHOMA COUNTIES INCLUDED ARE
 
  GREER                HARMON              JACKSON           
  KIOWA                TILLMAN           
 
 
  TXC009-023-059-075-101-107-125-151-153-155-169-191-197-207-253-
  263-269-275-335-345-353-415-417-429-433-441-447-485-487-503-
  140400-
  /O.NEW.KWNS.TO.A.0398.090613T2020Z-090614T0400Z/
 
  TX
  .    TEXAS COUNTIES INCLUDED ARE
 
  ARCHER              BAYLOR              CALLAHAN           
  CHILDRESS            COTTLE              CROSBY             
  DICKENS              FISHER              FLOYD             
  FOARD                GARZA              HALL               
  HARDEMAN            HASKELL            JONES             
  KENT                KING                KNOX               
  MITCHELL            MOTLEY              NOLAN             
  SCURRY              SHACKELFORD        STEPHENS           
  STONEWALL            TAYLOR              THROCKMORTON       
  WICHITA              WILBARGER          YOUNG             
 
 
  ATTN...WFO...OUN...FWD...SJT...LUB...MAF...
 
 
 

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


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

  SAW8
  WW 398 TORNADO OK TX 132020Z - 140400Z
  AXIS..90 STATUTE MILES NORTH AND SOUTH OF LINE..
  110WNW ABI/ABILENE TX/ - 5ESE SPS/WICHITA FALLS TX/
  ..AVIATION COORDS.. 80NM N/S /48SSE LBB - 9ESE SPS/
  HAIL SURFACE AND ALOFT..4 INCHES. WIND GUSTS..70 KNOTS.
  MAX TOPS TO 600. MEAN STORM MOTION VECTOR 24020.
 
  LAT...LON 34310143 35249841 32639841 31700143
 
  THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
  COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
  FOR WOU8.
 

Watch 398 Status Report Message has not been issued yet.

12
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North TX / OK Severe Weather this afternoon - JAC, 6/13/2009, 9:00 am
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