Hazardous Weather Outlook
Issued by NWS Tulsa, OK

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FLUS44 KTSA 190516 CCA
HWOTSA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1215 AM CDT SUN APR 19 2015

ARZ001-002-010-011-019-020-029-OKZ049-053>076-191030-
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-
1215 AM CDT SUN APR 19 2015

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

.DAY ONE...REMAINDER OF TONIGHT.

DISCUSSION...
A FEW SCATTERED STRONG THUNDERSTORMS WILL CONTINUE ACROSS PORTIONS
OF EASTERN OKLAHOMA WITH THE THREAT FOR GUSTY WINDS AND SMALL HAIL.
THIS ACTIVITY IS EXPECTED TO SLOWLY WEAKEN AS STORMS MOVE INTO
NORTHWEST ARKANSAS LATE TONIGHT.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
SUNDAY...SEVERE THUNDERSTORM POTENTIAL...HIGH WIND POTENTIAL.
MONDAY...NO HAZARDS.
TUESDAY...THUNDERSTORM POTENTIAL.
WEDNESDAY...THUNDERSTORM POTENTIAL.
THURSDAY...THUNDERSTORM POTENTIAL.
FRIDAY...THUNDERSTORM POTENTIAL.

EXTENDED DISCUSSION...
THE GREATER POTENTIAL FOR SEVERE STORMS WILL BE ON SUNDAY
AFTERNOON...FROM ROUGHLY 2 PM TO 10 PM. THE AREA WITH THE GREATEST
POTENTIAL WILL BE ALONG AND EAST OF HIGHWAY 69 IN EASTERN OKLAHOMA
OVER INTO NORTHWEST ARKANSAS. THE COMBINATION OF SHEAR AND
INSTABILITY WILL ALLOW FOR THE DEVELOPMENT OF SOME SUPERCELL
STORMS...WITH THE POTENTIAL TO PRODUCE HAIL TO TENNIS BALL SIZE AND
WIND GUSTS OF 60 TO 70 MPH. AN ISOLATED TORNADO IS POSSIBLE...BUT
THE OVERALL THREAT IS LOW.

A COLD FRONT WILL SWEEP ACROSS THE REGION ON SUNDAY...IN
ASSOCIATION WITH A UPPER LEVEL WAVE THAT WILL BE MOVING ACROSS THE
PLAINS. THUNDERSTORMS WILL DEVELOP AHEAD OF THIS FRONT AND WILL
EXIT THE REGION AS THE FRONT CLEARS OUR AREA BY MIDNIGHT SUNDAY
NIGHT.

CHANCES FOR STORMS WILL RETURN TO THE FORECAST FOR THE MID TO
LATTER HALF OF NEXT WEEK...MAINLY IN RESPONSE TO MOISTURE RETURN
IN A NW FLOW REGIME. AN UPPER LEVEL WAVE MAY ENHANCE THE SEVERE
POTENTIAL TOWARD THE END OF THE WORK WEEK.

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

$$





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