Hazardous Weather Outlook
Issued by NWS Tulsa, OK

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FLUS44 KTSA 261542
HWOTSA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1041 AM CDT SUN APR 26 2015

ARZ001-002-010-011-019-020-029-OKZ049-053>076-271015-
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-
1041 AM CDT SUN APR 26 2015

...A FEW SEVERE THUNDERSTORM POSSIBLE THIS EVENING AND OVERNIGHT
MAINLY ACROSS SOUTHEAST OKLAHOMA...

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

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORM.
RISK...ELEVATED.
AREA...SOUTHEAST OKLAHOMA.
ONSET...AFTER 7 PM.

HEAVY RAIN.
RISK...LIMITED.
AREA...EAST CENTRAL AND SOUTHEAST OKLAHOMA.
ONSET...AFTER 7 PM...MORE LIKELY AFTER MIDNIGHT.

SIGNIFICANT WINDS.
RISK...LIMITED.
AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...ONGOING.

DISCUSSION...
SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP LATER TODAY ACROSS
NORTHWEST TEXAS AND INTO SOUTHWEST OKLAHOMA...NEAR THE INTERSECTION
OF THE WARM FRONT AND DRYLINE. THIS ACTIVITY WILL SPREAD GRADUALLY
EAST THIS EVENING INTO PARTS OF EASTERN OKLAHOMA AS THE UPPER SYSTEM
EJECTS EAST. THE BEST CHANCES OF SEVERE WEATHER WILL BE THIS EVENING
THROUGH ABOUT MIDNIGHT ACROSS PARTS OF SOUTHEAST OKLAHOMA WHERE THE
BEST INSTABILITY AND MOISTURE WILL BE LOCATED. LARGE HAIL WOULD BE
THE BE THE MAIN SEVERE WEATHER THREAT.

SEVERE WEATHER CHANCES FARTHER NORTH ACROSS MUCH OF NORTHEAST AND
EAST CENTRAL OKLAHOMA ALONG WITH NORTHWEST ARKANSAS HAVE LESSENED AS
FORECAST INSTABILITY APPEARS WEAKER.

PRECIPITATION IS EXPECTED TO BECOME MORE WIDESPREAD LATE TONIGHT AND
INTO MONDAY MORNING...WITH LOCALLY HEAVY RAIN POSSIBLE FOR PARTS OF
SOUTHEAST INTO EAST CENTRAL OKLAHOMA.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
ACTIVATION OF THE REGIONAL SPOTTER NETWORK POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
MONDAY...THUNDERSTORM POTENTIAL...HEAVY RAIN POTENTIAL.
TUESDAY THROUGH SATURDAY...NO HAZARDS.

EXTENDED DISCUSSION...
SHOWERS AND THUNDERSTORMS WITH THE POTENTIAL FOR HEAVY RAINFALL ARE
EXPECTED TO BE ONGOING ACROSS MUCH OF EASTERN OKLAHOMA AND PERHAPS
INTO NORTHWEST ARKANSAS MONDAY MORNING. A LIMITED SEVERE POTENTIAL
WILL BE POSSIBLE OVER FAR SOUTHEAST OKLAHOMA AS THE UPPER LEVEL LOW
PRESSURE SYSTEM MOVES OVER THE REGION. THUNDERSTORM CHANCES ARE
FORECAST TO DECREASE DURING THE DAY INTO MONDAY NIGHT WITH RAIN
CHANCES REMAINING POSSIBLE INTO TUESDAY BEFORE THE LOW PRESSURE
SYSTEM EXITS TO TH EAST.

BEHIND THE EXITING SYSTEM...HIGH PRESSURE IS FORECAST TO SET UP
OVER THE PLAINS ALLOWING FOR DRY CONDITIONS AND A WARMING
TEMPERATURE TREND FOR THE SECOND HALF OF THE WEEK INTO NEXT
WEEKEND.

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

$$








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