HAZARDOUS WEATHER OUTLOOK
Issue Date: 1141 AM CST THU DEC 31 2009
Expiration: 500 AM CST FRI JAN 01 2010
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.
.DAY ONE...THIS AFTERNOON AND TONIGHT...
THUNDERSTORM OUTLOOK...
THUNDERSTORMS ARE NOT EXPECTED.
DISCUSSION...
AN UPPER LEVEL TROUGH WILL PRODUCE MODERATE LIFT AND WIDESPREAD
PRECIPITATION ACROSS SOUTHERN OKLAHOMA AND WESTERN NORTH TEXAS. THE
ATMOSPHERE WILL REMAIN TOO STABLE FOR THUNDER.
PROBABILITY TABLE...
VALID THROUGH 700 AM CST FRI JAN 1.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA...5 PERCENT.
OTHER HAZARDOUS WEATHER...
SNOW WILL FALL IN SOUTHERN OKLAHOMA AND WESTERN NORTH TEXAS THROUGH
THIS AFTERNOON. ACCUMULATIONS OF 1 TO 2 INCHES ARE FORECAST IN SOME
AREAS...INCLUDING AROUND ALTUS...LAWTON...DUNCAN...AND VERNON.
PLEASE SEE THE WINTER WEATHER ADVISORY PRODUCT FOR DETAILS.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...
THUNDERSTORM OUTLOOK...
THUNDERSTORMS ARE NOT EXPECTED.
OTHER HAZARDOUS WEATHER...
PERSISTENT NORTHERLY TO EASTERLY WINDS WILL HOLD TEMPERATURES NEAR
OR BELOW AVERAGE THIS WEEKEND AND EARLY NEXT WEEK. THE WEATHER IS
THEN EXPECTED TO TURN EVEN COLDER...WITH AN OUTBREAK OF ARCTIC AIR
BEGINNING AROUND WEDNESDAY OF NEXT WEEK. THE AIRMASS IS FORECAST TO
BE LARGE AND VERY COLD...AND IT MAY PERSIST OVER OKLAHOMA AND
WESTERN NORTH TEXAS FOR A NUMBER OF DAYS. SOME ICE AND SNOWFALL WILL
BE POSSIBLE WHEN THE ARCTIC FRONT ARRIVES ON WEDNESDAY...AND HIGH
TEMPERATURES COULD BE WELL BELOW FREEZING BY THURSDAY.
THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 5 AM
FRIDAY.
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