THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   TEXAS PANHANDLE
   WESTERN OKLAHOMA AND THE OKLAHOMA PANHANDLE
   SOUTHWESTERN KANSAS

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 515 PM UNTIL 1000
PM CDT.

  ...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 INCHES IN
DIAMETER...THUNDERSTORM WIND GUSTS TO 95 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST
OF A LINE FROM GARDEN CITY KANSAS TO 50 MILES SOUTH SOUTHEAST OF
CHILDRESS TEXAS.

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 345...

DISCUSSION...RAPID THUNDERSTORM DEVELOPMENT IS EXPECTED TO OCCUR
DURING THE NEXT HOUR WITH DAYTIME HEATING AND LOW LEVEL CONVERGENCE
GRADUALLY ERODING THE CAP. DEEP LAYER SHEAR PROFILES ARE QUITE
FAVORABLE FOR SUPERCELLS AND TORNADOES...ESPECIALLY GIVEN EXTREME
INSTABILITY.
 

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 80 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600.
MEAN STORM MOTION VECTOR 27025.
 

..VESCIO

;375,0992 334,0984 334,1011 375,1020;
 

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 348
STORM PREDICTION CENTER NORMAN OK
614 PM CDT MON MAY 31 1999

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   CENTRAL OKLAHOMA
   SOUTH CENTRAL KANSAS

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 645 PM UNTIL
MIDNIGHT CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES NORTH NORTHEAST OF MEDICINE LODGE KANSAS TO
60 MILES SOUTHWEST OF ARDMORE OKLAHOMA.

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 345...WW 346...WW 347...

DISCUSSION...SUPERCELL THUNDERSTORMS OVER WESTERN OK/SWRN KS ARE
EXPECTED TO SPREAD EASTWARD THROUGH THE EVENING WITH A CONTINUED
THREAT OF VERY LARGE HAIL AND TORNADOES...GIVEN STRONG INSTABILITY
AND INCREASING DEEP LAYER SHEAR.
 

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600.
MEAN STORM MOTION VECTOR 27025.
 

..VESCIO

;375,0970 334,0963 334,0985 375,0992;

Back to 31 May chase report.