HAZARDOUS WEATHER OUTLOOK
Issue Date: 1138 AM CST SAT DEC 19 2009
Expiration: 600 AM CST SUN DEC 20 2009
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.
.DAY ONE...TODAY AND TONIGHT...
THUNDERSTORM OUTLOOK...
THUNDERSTORMS ARE NOT EXPECTED THROUGH TONIGHT.
DISCUSSION...
PERSISTENT NORTHERLY WINDS WILL KEEP DRY AND STABLE AIR FLOWING
THROUGH THE REGION THROUGH TONIGHT.
PROBABILITY TABLE...
VALID THROUGH 700 AM CST SUNDAY DEC 20.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA...ZERO PERCENT.
OTHER HAZARDOUS WEATHER...
NONE.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...
THUNDERSTORM OUTLOOK...
AN UPPER LEVEL TROUGH WILL STRENGTHEN OVER THE PLAINS DURING THE
MIDDLE OF NEXT WEEK. DURING THAT PERIOD...LIFT MAY BECOME STRONG
ENOUGH TO PRODUCE ISOLATED THUNDERSTORMS LATE TUESDAY AND
WEDNESDAY...MOST LIKELY EAST OF INTERSTATE 35 IN OKLAHOMA.
OTHER HAZARDOUS WEATHER...
IN RESPONSE TO THE UPPER LEVEL TROUGH ARRIVING AT MID WEEK...COLD
AIR WILL SPREAD INTO OKLAHOMA AND WESTERN NORTH TEXAS BEGINNING LATE
TUESDAY OR WEDNESDAY. BLUSTERY NORTH WINDS COULD YIELD VERY LOW WIND
CHILL TEMPERATURES...LASTING INTO THURSDAY OR FRIDAY.
IT IS ALSO LIKELY THAT PART OF THE REGION WILL EXPERIENCE ICE AND
SNOW WHICH MAY ACCUMULATE AND CAUSE SIGNIFICANT IMPACTS TO TRAVEL.
IT IS STILL UNCERTAIN TO WHAT EXTENT THIS WINTER PRECIPITATION WILL
AFFECT OKLAHOMA AND NORTH TEXAS OR HOW LARGE AN AREA WILL BE
AFFECTED. THE FORECAST WILL BECOME MORE DETAILED AS THE STORM SYSTEM
BEGINS TO DEVELOP EARLY THIS UPCOMING WEEK. AT A MINIMUM...PEOPLE
SHOULD PREPARE FOR COLD WEATHER AND POSSIBLE IMPACTS TO TRAVEL
BETWEEN LATE TUESDAY AND THURSDAY.
THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 5 AM
SUNDAY DECEMBER 20.
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