HAZARDOUS WEATHER OUTLOOK
Issue Date: 946 AM CST THU DEC 24 2009
Expiration: 500 AM CST FRI DEC 25 2009
...DANGEROUS WINTER STORM TO IMPACT THE REGION TODAY AND TONIGHT...
THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.
.DAY ONE...TODAY AND TONIGHT.
THUNDERSTORMS WITH DANGEROUS LIGHTNING.
RISK...LIMITED.
AREA...FAR SOUTHEAST OKLAHOMA.
ONSET...ONGOING.
WINTER WEATHER.
SNOW ACCUMULATION.
RISK...SIGNIFICANT.
AREA...ALL EASTERN OKLAHOMA AND NORTHWEST ARKANSAS...
WITH HIGHEST SNOW ACCUMULATIONS NORTHEAST OKLAHOMA
AND FAR NORTHWEST ARKANSAS.
ONSET...LATE MORNING WEST...EARLY EVENING EAST.
ICE ACCUMULATION.
RISK...LIMITED.
AREA...NORTH OF AN OILTON...TO TULSA...TO FORT SMITH LINE.
ONSET...ONGOING FOR OSAGE...PAWNEE AND NORTHWEST CREEK COUNTIES
ELSEWHERE THIS AFTERNOON.
SIGNIFICANT WINDS.
RISK...ELEVATED.
AREA...ALL EASTERN OKLAHOMA AND PORTIONS OF NORTHWEST ARKANSAS.
ONSET...ONGOING...INCREASING THROUGHOUT THE DAY.
DISCUSSION...
WIDESPREAD RAIN AND ISOLATED THUNDERSTORMS WILL CONTINUE THROUGH
THE MORNING HOURS...AS PRECIPITATION EXPANDS AHEAD OF AN INTENSE
STORM SYSTEM CURRENTLY CENTERED OVER WEST TEXAS. TEMPERATURES
WILL STEADILY FALL THROUGHOUT THE DAY...WITH SUB-FREEZING
TEMPERATURES EXPANDING EASTWARD. IN GENERAL...THE CHANGE TO FROZEN
PRECIPITATION WILL EASTWARD DURING THE DAY...WITH SLEET AND SNOW
LIKELY ACROSS NORTHWEST ARKANSAS BY LATE AFTERNOON OR EARLY
EVENING.
SOME AREAS TO THE NORTHWEST OF TULSA HAVE ALREADY SEEN
TEMPERATURES FALL TO NEAR FREEZING...AND A PERIOD OF LIGHT
FREEZING RAIN WILL BE POSSIBLE THIS MORNING BEFORE PRECIPITATION
CHANGES TO SLEET THEN SNOW BY AFTERNOON. LOCATIONS TO THE NORTH OF
A TULSA TO FORT SMITH LINE MAY ALSO SEE A PERIOD OF FREEZING RAIN
DURING THE AFTERNOON AND EARLY EVENING BEFORE THE CHANGE TO SLEET
AND SNOW OCCURS.
MUCH OF THE FORECAST AREA WILL SE SNOWFALL AF 4 INCHES OR
MORE...WITH ONE OR MORE BANDS OF HEAVIER SNOW. CURRENT DATA
SUGGESTS THE MOST LIKELY AREA FOR HEAVIER SNOW WILL BE ALONG A
LINE FROM ROUGHLY OKEMAH TO WAGONER TO BENTONVILLE. WHILE THE
EXACT LOCATION OF THE HEAVIEST SNOW BAND MAY CHANGE...THERE IS
HIGH CONFIDENCE THAT SIGNIFICANT SNOWFALL WILL IMPACT A LARGE
PORTION OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS BY LATE
TONIGHT. ADDITIONALLY...STRONG NORTHWESTERLY WINDS OF 20 TO 40 MPH
WILL PREVAIL FOR MUCH OF TODAY AND TONIGHT. THE COMBINATION OF
HEAVY SNOW AND STRONG WINDS WILL CREATE NEAR BLIZZARD CONDITIONS
ACROSS PORTIONS OF THE AREA.
TRAVEL CONDITIONS WILL DETERIORATE THROUGHOUT THE DAY...AND BECOME
DANGEROUS BY TONIGHT. POWER OUTAGES ARE POSSIBLE AND VERY COLD
WIND CHILLS VALUES WILL MAKE ANY OUTDOOR EXPOSURE HAZARDOUS.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION IS REQUESTED ONCE PRECIPITATION CHANGES TO
SLEET OR SNOW...ALONG WITH FREQUENT SNOW ACCUMULATION AMOUNTS.
PLEASE RELAY THESE REPORTS TO THE NATIONAL WEATHER SERVICE IN TULSA.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
FRIDAY...HIGH WIND POTENTIAL.
SATURDAY THROUGH MONDAY...NO HAZARDS.
TUESDAY AND WEDNESDAY...WINTER WEATHER POTENTIAL.
EXTENDED DISCUSSION...
STRONG NORTHWESTERLY WINDS WILL CONTINUE ON FRIDAY ALONG WITH A
FEW FLURRIES POSSIBLE NEAR THE KANSAS OKLAHOMA BORDER. WIND CHILL
VALUES WILL REMAIN VERY LOW AND OUTDOOR EXPOSURE SHOULD BE LIMITED
ON FRIDAY. COLD AND DRY WEATHER WILL PREVAIL SATURDAY THROUGH
MONDAY...WITH THE NEXT CHANCE OF SNOW ARRIVING BY TUESDAY.
WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.
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