000
FLUS44 KTSA 262308
HWOTSA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
508 PM CST THU FEB 26 2015

ARZ001-002-010-011-019-020-029-OKZ049-053>076-271215-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
508 PM CST THU FEB 26 2015

...VERY COLD WIND CHILLS TONIGHT INTO FRIDAY MORNING FOLLOWED
BY WINTER WEATHER LATER FRIDAY ON INTO THE WEEKEND...

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

WINTER WEATHER.
WIND CHILL.
RISK...ELEVATED.
AREA...ALONG AND NORTH OF HIGHWAY 412.
ONSET...AFTER MIDNIGHT.

DISCUSSION...

AS TEMPERATURES DROP AFTER SUNSET...WIND CHILL VALUES WILL DROP
QUICKLY. NORTH WINDS SHOULD REMAIN NEAR 10 MPH
OVERNIGHT...ALLOWING WIND CHILLS TO DROP BETWEEN ZERO AND 5 BELOW
AFTER MIDNIGHT ALONG AND NORTH OF HIGHWAY 412.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
FRIDAY...WINTER WEATHER POTENTIAL...DANGEROUS WIND CHILL POTENTIAL.
SATURDAY...WINTER WEATHER POTENTIAL.
SUNDAY...NO HAZARDS.
MONDAY AND TUESDAY...THUNDERSTORM POTENTIAL.
WEDNESDAY...WINTER WEATHER POTENTIAL.

EXTENDED DISCUSSION...

WINTRY PRECIPITATION WITH SOME TRAVEL IMPACT IS FORECAST THIS
WEEKEND. FOR MORE DETAILS...SEE THE DISCUSSION BELOW.

WIND CHILLS TO START THE DAY FRIDAY ALONG AND NORTH OF HIGHWAY 412
WILL RANGE FROM ZERO TO 5 BELOW. BY FRIDAY AFTERNOON...LIGHT SNOW
IS FORECAST TO SPREAD INTO PORTIONS OF SOUTHEAST OKLAHOMA. LESS
THAN AN INCH OF ACCUMULATION IS FORECAST.

INCREASING LIFT AHEAD OF THE NEXT STORM SYSTEM WILL RESULT IN THE
DEVELOPMENT OF WINTRY PRECIPITATION ACROSS THE REGION ON SATURDAY.
AT THIS TIME...IT APPEARS THAT AN INCH TO 2 INCHES OF SNOW IS
POSSIBLE MAINLY ALONG AND NORTH OF INTERSTATE 44...THE BULK OF
WHICH IS EXPECTED FROM THE MIDDAY INTO THE AFTERNOON HOURS. TO THE
SOUTH OF INTERSTATE 44...A LIGHT WINTRY MIX IS FORECAST...WITH
LIGHTER ACCUMULATIONS OF SNOW...SLEET AND ICE EXPECTED. A LIGHT
WINTRY MIX IS FORECAST ALONG AND NORTH OF HIGHWAY 412 SATURDAY
NIGHT...WITH LIGHT ACCUMULATIONS OF SNOW...SLEET AND ICE FORECAST.
WITH SURFACE TEMPERATURES WARMING SATURDAY NIGHT...PLAIN RAIN IS
FORECAST SOUTH OF HIGHWAY 412. THE WINTRY WEATHER WILL LIKELY
CAUSE SOME TRAVEL IMPACTS...AND AN ADVISORY WILL LIKELY BE ISSUED
TONIGHT OR FRIDAY FOR AREAS ALONG AND NORTH OF HIGHWAY 412.
TEMPERATURES ARE FORECAST TO RISE ABOVE FREEZING ON
SUNDAY...ENDING THE WINTER WEATHER THREAT.

AS GULF MOISTURE INCREASES AHEAD OF A STRONG UPPER LEVEL STORM
SYSTEM MONDAY AND TUESDAY...THUNDERSTORM POTENTIAL WILL INCREASE.
THERE IS EVEN POTENTIAL FOR SEVERE THUNDERSTORMS ON TUESDAY AHEAD
OF A COLD FRONT IF ENOUGH QUALITY MOISTURE CAN RETURN FROM THE
GULF AHEAD OF IT.

ON WEDNESDAY AS TEMPERATURES GET COLD ENOUGH FOR WINTRY
PRECIPITATION AGAIN...AN UPPER STORM SYSTEM IS FORECAST TO SLIDE
ACROSS THE REGION. AT THIS TIME...IT APPEARS THAT ANY
ACCUMULATIONS FROM THIS SYSTEM WILL BE LIGHT.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

$$

LACY