Tornado Watch 125

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 125
NWS STORM PREDICTION CENTER NORMAN OK
550 PM CDT MON MAR 17 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN ARKANSAS
EASTERN OKLAHOMA
NORTHEAST TEXAS
EFFECTIVE THIS MONDAY AFTERNOON AND TUESDAY MORNING FROM 550 PM
UNTIL 100 AM 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 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHEAST OF POTEAU
OKLAHOMA TO 25 MILES SOUTHWEST OF TYLER TEXAS. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU5).
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 124
...
DISCUSSION...TSTMS THAT HAVE FORMED IN THE PAST HALF HOUR OVER NE TX
APPEAR TO BE RELATED TO HEATING AND TO CHANGES IN LOW-LEVEL
JET/CONVERGENCE FIELDS ASSOCIATED WITH THE DEVELOPMENT OF HIGH-LEVEL
JET ENTRANCE REGION OVER ERN KS. GIVEN 50+ KT SSWLY DEEP
SHEAR...ENHANCED LOW-LEVEL DIRECTIONAL SHEAR INVOF WARM FRONT ATTM
LOCATED JUST S OF THE RED RIVER...AND INCREASING MOISTURE
INFLOW...POTENTIAL WILL EXIST FOR A FEW DISCRETE SUPERCELLS/POSSIBLE
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
500. MEAN STORM MOTION VECTOR 22035.
...CORFIDI