URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 146
NWS STORM PREDICTION CENTER NORMAN OK
1150 AM CDT WED APR 23 2003
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHWEST OKLAHOMA
WEST CENTRAL AND NORTHWEST TEXAS
EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1150 AM UNTIL 600 PM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTHEAST OF ALTUS OKLAHOMA TO 20 MILES SOUTHEAST OF SAN ANGELO 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.
DISCUSSION...THUNDERSTORMS ARE DEVELOPING SWD ALONG A
DRYLINE/PACIFIC COLD FRONT FROM W OF CDS TO E OF LBB AND MAF. THIS CONVECTION SHOULD DEVELOP INTO A SQUALL LINE WHILE MOVING EWD THIS AFTERNOON...WITH AN INCREASING THREAT OF LARGE HAIL AND DAMAGING WINDS. THE GREATER THREAT FOR SUPERCELLS/TORNADOES WILL BE ACROSS NW TX WHERE MORE DISCRETE STORMS MAY FORM E OF THE DRYLINE...AND MOVE INTO THE AREA BETWEEN ABI AND CDS THIS AFTERNOON.
AVIATION...TORDADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24030.
THOMPSON
