Particularly Dangerous Situation, Tornado Watch 179

Particularly Dangerous Situation PDS
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