Severe Local Storm Watch and Watch Cancellation 17:16:52.0275

THE UNIVERSITY OF TEXAS AT TYLER
University Operations Center (UOC)

This is an automatically generated special information alert from the UT Tyler Office of Emergency Management:

WWUS20 KWNS 232219
SEL6
SPC WW 232219
OKZ000-TXZ000-240500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 56
NWS STORM PREDICTION CENTER NORMAN OK
520 PM CDT MON MAR 23 2009

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

CENTRAL AND SOUTHWEST OKLAHOMA
WESTERN NORTH TEXAS

EFFECTIVE THIS MONDAY AFTERNOON FROM 520 PM UNTIL MIDNIGHT CDT.

TORNADOES...HAIL TO 1.5 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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHEAST OF PONCA
CITY OKLAHOMA TO 30 MILES SOUTH SOUTHWEST OF FORT SILL OKLAHOMA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 54...WW 55...

DISCUSSION...TCU/CBS ARE DEVELOPING SOUTHWESTWARD ALONG DRYLINE FROM
THE KS/OK BORDER TO JUST EAST OF CDS. CONVECTION IS EXPECTED TO
CONTINUE TO INCREASE IN INTENSITY AND COVERAGE THROUGH THE EVENING
WITH A FEW SUPERCELLS POSSIBLE. DAMAGING WINDS AND HAIL ARE THE
MAIN THREATS...BUT STRENGTH OF LOW LEVEL VERTICAL SHEAR ALSO WILL
SUPPORT A RISK OF TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 24040.

...HART

P. Low/UOC
END OF ALERT