

000 

WWUS20 KWNS 092052 CCA

SEL9

SPC WW 092052 CCA

OKZ000-TXZ000-100400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 179...CORRECTED

NWS STORM PREDICTION CENTER NORMAN OK

400 PM CDT WED APR 9 2008



CORRECTED TO INCLUDE PDS WORDING



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PARTS OF SOUTHERN OKLAHOMA

       LARGE PART OF NORTH CENTRAL TEXAS



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 400 PM UNTIL

1100 PM CDT.



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



DESTRUCTIVE TORNADOES...LARGE 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 APPROXIMATELY ALONG AND 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHEAST OF ARDMORE

OKLAHOMA TO 45 MILES SOUTH OF CORSICANA TEXAS.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU9).



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 177...WW 178...



DISCUSSION...VERY FAVORABLE SUPERCELL CONDITIONS IN PLACE ACROSS

WATCH.  INHIBITION CONTINUES TO WEAKEN WITH DEVELOPMENT OF

STRONG/SEVERE THUNDERSTORMS EXPECTED NEXT COUPLE HOURS. IN ADDITION

TORNADIC SUPERCELLS HAVE DEVELOPED NWRN TX AND WILL CONTINUE

INCREASING IN NUMBER AND INTENSITY AS THEY MOVE TOWARD NCENTRAL TX.

WITH MLCAPE OF 2000 J/KG COUPLED WITH STRONG VEERING SHEAR

PROFILES...ANY SUPERCELL WILL HAVE POTENTIAL OF TORNADOES AND LARGE

HAIL.  A STRONG TORNADO IS POSSIBLE GIVEN THE CONDITIONS.



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

550. MEAN STORM MOTION VECTOR 24035.





...HALES

