HAZARDOUS WEATHER OUTLOOK
Issue Date: 1059 AM CST THU DEC 24 2009
Expiration: 600 AM CST FRI DEC 25 2009

Expires:200912251200;;
FLUS44 KOUN 241651
HWOOUN
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1050 AM CST THU DEC 24 2009
OKZ004>048-050>052-TXZ083>090-251200-
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-
1050 AM CST THU DEC 24 2009
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.
.DAY ONE...TODAY AND TONIGHT...
THUNDERSTORM OUTLOOK...
ISOLATED THUNDERSTORMS WILL AFFECT PARTS OF OKLAHOMA TODAY...BUT
SEVERE THUNDERSTORMS ARE NOT EXPECTED.
DISCUSSION...
COLD AND STABLE LOW LEVEL AIR WILL DEEPEN THROUGHOUT THE DAY.
INTENSE LOW PRESSURE ALOFT WILL GENERATE ENOUGH LIFTING TO GENERATE
ISOLATED THUNDERSTORMS IN PARTS OF SOUTHERN AND CENTRAL OKLAHOMA.
THESE STORMS WILL PRODUCE A VARIETY OF PRECIPITATION...RANGING FROM
RAIN TO FREEZING RAIN...SMALL HAIL...SLEET...AND EVEN SNOW. BURSTS
OF HEAVY SLEET AND SNOW WILL ACCOMPANY THE THUNDERSTORMS THIS
AFTERNOON. BY EVENING...INTENSE LIFT WILL MOVE EAST WITH THE UPPER
LEVEL LOW...ENDING THE CHANCE OF THUNDERSTORMS.
PROBABILITY TABLE...
VALID THROUGH 700 AM CST FRIDAY DEC 25.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...90 PERCENT
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...5 PERCENT.
OTHER HAZARDOUS WEATHER...
A DANGEROUS WINTER STORM IS UNFOLDING OVER ALL OF OKLAHOMA AND
WESTERN NORTH TEXAS. PLEASE REFER TO THE LATEST VERSION OF THE
WINTER STORM WARNING PRODUCTS FOR MORE INFORMATION.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...
THUNDERSTORM OUTLOOK...
THUNDERSTORMS ARE NOT EXPECTED.
OTHER HAZARDOUS WEATHER...
COLD ARCTIC AIR WILL SLIDE INTO THE SOUTHERN PLAINS THURSDAY
NIGHT...AND REMAIN IN PLACE THROUGH THE WEEKEND. WITH FRESH SNOW ON
THE GROUND...TEMPERATURES MAY FALL VERY LOW AT NIGHT...INTO THE
SINGLE DIGITS ABOVE ZERO...AND RISE ONLY TO NEAR FREEZING IN THE
DAY. SOME LOCATIONS WILL SEE AN EXTENDED PERIOD OF TIME WITH SUB
FREEZING WEATHER. WIND CHILL TEMPERATURES WILL APPROACH ZERO DEGREES
AT TIMES. IN ADDITION...ANOTHER UPPER LEVEL TROUGH WILL APPROACH THE
REGION NEXT WEEK...BRINGING A CHANCE OF RAIN AND SNOW ON TUESDAY AND
WEDNESDAY.
THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 5 AM
FRIDAY.
$$

BLIZZARD WARNING
Issue Date: 937 AM CST THU DEC 24 2009
Expiration: 1000 PM CST THU DEC 24 2009

...BLIZZARD WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING...
...WINTER STORM WARNING IS CANCELLED...
THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 10 PM CST THIS EVENING. THIS
REPLACES THE WINTER STORM WARNING WHICH IS NO LONGER IN EFFECT.
* TIMING: ALL OF TODAY AND THIS EVENING
* MAIN IMPACT: HEAVY SNOW AND BLOWING SNOW...LOW VISIBILITY AND
STRONG WINDS WITH WIND GUSTS OF 45 TO 55 MPH. BLIZZARD CONDITIONS
AT TIMES. SNOWFALL WILL AVERAGE 4 TO 8 INCHES...BUT SOUTHERN
OKLAHOMA MAY RECEIVE 8 TO 11 INCHES...GENERALLY BETWEEN LAWTON
AND PAULS VALLEY.
* OTHER IMPACTS: A PERIOD OF FREEZING RAIN AND SLEET WILL BE
POSSIBLE ACROSS CENTRAL AND SOUTH CENTRAL OKLAHOMA AS THE
PRECIPITATION TRANSITIONS FROM RAIN TO SNOW. PRECIPITATION WILL
GENERALLY STAY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.
$$

WINTER STORM WARNING
Issue Date: 417 AM CST THU DEC 24 2009
Expiration: 1000 PM CST THU DEC 24 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM CST THIS
EVENING...
THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 PM CST THIS
EVENING.
* TIMING: ALL OF TODAY AND THIS EVENING
* MAIN IMPACT: HEAVY SNOW AND STRONG WINDS. NEAR BLIZZARD
CONDITIONS AT TIMES. SNOWFALL WILL AVERAGE 4 TO 8 INCHES...BUT
SOUTHERN OKLAHOMA MAY RECEIVE 8 TO 11 INCHES...GENERALLY BETWEEN
LAWTON AND PAULS VALLEY.
* OTHER IMPACTS: THE CHANGE FROM RAIN TO SNOW WILL BE DELAYED THIS
MORNING IN CENTRAL AND NORTH CENTRAL OKLAHOMA...INCLUDING
OKLAHOMA CITY...GUTHRIE...STILLWATER...AND PONCA CITY. A MIX OF
FREEZING RAIN AND SLEET...POSSIBLY HEAVY AT TIMES...WILL CREATE
VERY SLICK AND HAZARDOUS CONDITIONS BY MIDDAY. HEAVY SNOW IS
THEN EXPECTED DURING THE AFTERNOON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS WILL ALSO
REDUCE VISIBILITY TO NEAR ZERO AT TIMES...WHICH CAN BE
DISORIENTING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
THIS IS A LIFE THREATENING STORM.
$$

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. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.
* TIMING: AROUND MIDNIGHT THURSDAY MORNING THROUGH EARLY THURSDAY
EVENING
* MAIN IMPACT: SNOW AND BLOWING SNOW WITH ACCUMULATION UP TO 3
INCHES.
* OTHER IMPACTS: INCREASINGLY BLUSTERY WINDS...RESULTING IN
BLOWING SNOW AND LOW WIND CHILL TEMPERATURES. FREEZING RAIN IS
ALSO 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.
$$