HAZARDOUS WEATHER OUTLOOK Issue Date: 152 AM CST THU DEC 24 2009 Expiration: 500 AM CST THU DEC 24 2009 Expires:200912241100;;
FLUS44 KOUN 240751
HWOOUN
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
130 AM CST THU DEC 24 2009
OKZ004>048-050>052-TXZ083>090-241100-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
130 AM CST THU DEC 24 2009
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.
.DAY ONE...OVERNIGHT...
THUNDERSTORM OUTLOOK...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE...MAINLY OVER PARTS OF
SOUTHERN OKLAHOMA OVERNIGHT. NO SEVERE STORMS ARE EXPECTED.
DISCUSSION...
A STRONG UPPER LEVEL STORM SYSTEM WILL MOVE SLOWLY EASTWARD ACROSS
WEST TEXAS OVERNIGHT. AS THIS SYSTEM... MOVES EASTWARD WIDESPREAD
PRECIPITATION WILL SPREAD ACROSS WESTERN NORTH TEXAS AND OKLAHOMA.
MEANWHILE COLDER AIR WILL CONTINUE TO SURGE SOUTHWARD ACROSS THE
AREA. RAIN WILL GRADUALLY CHANGE TO SNOW OVER MUCH OF WESTERN NORTH
TEXAS AND THE WESTERN HALF OF OKLAHOMA BY SUNRISE AS THE COLDER AIR
DEEPENS. A FEW THUNDERSTORMS WILL BE POSSIBLE OVERNIGHT...MAINLY IN
SOUTHERN OKLAHOMA. INSTABILITY WILL REMAIN LIMITED AND NO SEVERE
STORMS ARE EXPECTED.
PROBABILITY TABLE...
VALID THROUGH 700 AM CST THURSDAY DEC 24.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...5 PERCENT.
OTHER HAZARDOUS WEATHER...
WINTER STORM WARNING ARE IN EFFECT OVERNIGHT AND INTO THURSDAY FOR
WESTERN NORTH AND MUCH OF OKLAHOMA. SIGNIFICANT ACCUMULATIONS OF
SNOW CAN BE EXPECTED...ESPECIALLY ACROSS WESTERN NORTH TEXAS AND
THE SOUTHERN HALF OF OKLAHOMA.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...
THUNDERSTORM OUTLOOK...
NO THUNDERSTORMS ARE EXPECTED.
OTHER HAZARDOUS WEATHER...
SNOW... COLD TEMPERATURES... STRONG WINDS AND LOW WIND CHILL
READINGS WILL PREVAIL AREA-WIDE ON THURSDAY. ACCUMULATING SNOW WILL
BE LIKELY ACROSS A GOOD PORTION OF OKLAHOMA AND WESTERN NORTH TEXAS.
STRONG NORTH WINDS WILL RESULT IN BLOWING SNOW... RESTRICTED
VISIBILITIES AND DRIFTING OF THE SNOW. COLD TEMPERATURES WILL
CONTINUE INTO THE EARLY PART OF NEXT WEEK.
THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 5 AM
THURSDAY.
$$ WINTER STORM WARNING Issue Date: 1052 PM CST WED DEC 23 2009 Expiration: 600 PM CST THU DEC 24 2009 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST THURSDAY...
THE NATIONAL WEATHER SERVICE IN NORMAN HAS EXPANDED THE WINTER
STORM WARNING TO INCLUDE ALL OF WESTERN NORTH TEXAS AND SOUTHERN
OKLAHOMA. THE WINTER STORM WARNING IS IN EFFECT UNTIL 6 PM CST
THURSDAY. THE WINTER WEATHER ADVISORY FOR WESTERN NORTH TEXAS AND
SOUTHERN OKLAHOMA IS NO LONGER IN EFFECT.
* TIMING: AROUND MIDNIGHT THURSDAY MORNING THROUGH THURSDAY
AFTERNOON.
* MAIN IMPACT: SNOW AND BLOWING SNOW WITH ACCUMULATION OF 4 TO 8
INCHES.
* OTHER IMPACTS: INCREASINGLY BLUSTERY WINDS ON THURSDAY...WITH
SOME BLOWING SNOW AND VERY LOW WIND CHILL TEMPERATURES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
$$ WINTER WEATHER ADVISORY Issue Date: 247 PM CST WED DEC 23 2009 Expiration: 600 PM CST THU DEC 24 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 PM CST THURSDAY...
THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM MIDNIGHT TONIGHT TO 6 PM CST THURSDAY.
* TIMING: AROUND MIDNIGHT THURSDAY MORNING THROUGH THURSDAY
AFTERNOON.
* MAIN IMPACT: SNOW AND BLOWING SNOW WITH ACCUMULATION UP TO 3
INCHES.
* OTHER IMPACTS: INCREASINGLY BLUSTERY WINDS ON THURSDAY...WITH
SOME BLOWING SNOW AND VERY LOW WIND CHILL TEMPERATURES. FREEZING
RAIN WILL ALSO BE POSSIBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW OR FREEZING
RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.
$$
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