Hazardous Weather Outlook
Issued by NWS Tulsa, OK

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821
FLUS44 KTSA 210957
HWOTSA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
457 AM CDT THU MAY 21 2015

ARZ001-002-010-011-019-020-029-OKZ049-053>076-221000-
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-
457 AM CDT THU MAY 21 2015

...FLASH FLOOD POTENTIAL INCREASES FRIDAY THROUGH THE WEEKEND...

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...ELEVATED.
AREA...FAR SOUTHEAST OKLAHOMA.
ONSET...ONGOING.

DISCUSSION...
SCATTERED THUNDERSTORMS ONGOING THIS MORNING ACROSS FAR SOUTHEAST
OKLAHOMA WILL CONTINUE TODAY. A NONZERO RISK OF LOCALIZED HEAVY
RAIN AND FLASH FLOODING WILL EXIST...BUT SHOULD BE CONFINED TO
AREAS WHERE HEAVIER STORMS REPEATEDLY MOVE OVER THE SAME
AREAS...SOMETHING THAT IS NOT EXPECTED TO BE A WIDESPREAD PROBLEM.
THE SEVERE WEATHER POTENTIAL IS VERY LOW AS WELL.

RESIDUAL FLOOD WATERS FROM TUESDAY NIGHTS VERY HEAVY RAINFALL IN
SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS MAY CONTINUE TO
RESULT IN ROAD CLOSURES AND LOCALIZED FLOODING OF SMALLER STREAMS.
MAIN STEM RIVER FLOODING ALSO CONTINUES IN THE REGION.

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

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
FRIDAY AND SATURDAY...THUNDERSTORM POTENTIAL...HEAVY RAIN POTENTIAL.
SUNDAY...SEVERE THUNDERSTORM POTENTIAL...HEAVY RAIN POTENTIAL.
MONDAY THROUGH WEDNESDAY...THUNDERSTORM POTENTIAL.

EXTENDED DISCUSSION...
SEVERAL ROUNDS OF WIDESPREAD SHOWERS AND THUNDERSTORMS WILL BE
LIKELY BEGINNING FRIDAY AND CONTINUING INTO AT LEAST EARLY NEXT
WEEK. HEAVY RAIN...FLASH FLOODING...AND MAIN STEM RIVER FLOODING
WILL AGAIN IMPACT MUCH OF EASTERN OKLAHOMA AND WESTERN ARKANSAS. A
FLASH FLOOD WATCH IS NOW IN EFFECT FOR ALL OF EASTERN OKLAHOMA
BEGINNING FRIDAY MORNING AND CONTINUING THROUGH SUNDAY NIGHT.
SEVERE WEATHER POTENTIAL MAY ALSO BE INCREASED...ESPECIALLY LATE IN
WEEKEND...BUT THIS CURRENTLY LOOKS TO BE A SECONDARY THREAT TO THE
LARGER FLASH FLOODING RISKS. THE FLASH FLOODING POTENTIAL WILL
POSE A HEIGHTENED THREAT TO THOSE THAT PLAN OUTDOOR ACTIVITIES IN
PROXIMITY TO AREA LAKES OR RIVERS. UPDATED FORECASTS SHOULD BE
CLOSELY FOLLOWED AND REMAIN READY TO TAKE ACTION SHOULD FLOOD
WARNINGS BE ISSUED FOR YOUR AREA.


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

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