SEVERE THUNDERSTORM WATCH NUMBER 73
NWS STORM PREDICTION CENTER NORMAN OK
735 PM CDT THU MAR 26 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTH CENTRAL OKLAHOMA
NORTH CENTRAL TEXAS
EFFECTIVE THIS THURSDAY EVENING FROM 735 PM UNTIL 1100 PM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHEAST OF
ARDMORE OKLAHOMA TO 60 MILES SOUTHWEST OF SHERMAN TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU3).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 71...WW 72...
DISCUSSION...A SMALL CLUSTER OF SEVERE STORMS HAS DEVELOPED ALONG
THE DRYLINE SOUTH OF ADM. THESE STORMS MAY PERSIST FOR A FEW HOURS
WITH A RISK OF LARGE HAIL AND DAMAGING WINDS. RAPID COOLING AFTER
SUNSET IS EXPECTED TO LESSEN THE TORNADO RISK.
AVIATION...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 450. MEAN STORM
MOTION VECTOR 27035.
...HART
