Hazardous Weather Outlook
Issued by NWS Tulsa, OK

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FLUS44 KTSA 261002
HWOTSA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
502 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-
502 AM CDT SUN APR 26 2015


...THUNDERSTORM AND SEVERE WEATHER POTENTIAL INCREASES THIS EVENING...

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...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...AFTER 7 PM EASTERN OKLAHOMA...AFTER 10 PM NORTHWEST
ARKANSAS.

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

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

DISCUSSION...
THUNDERSTORM CHANCES AS WELL AS SEVERE WEATHER POTENTIAL
INCREASE THIS EVENING ACROSS EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS.

A FRONTAL BOUNDARY MOVING THROUGH THE REGION THIS MORNING IS
EXPECTED TO BECOME NEARLY STATIONARY NEAR THE RED RIVER THIS
AFTERNOON AS AN UPPER LEVEL LOW PRESSURE SYSTEM APPROACHES THE
SOUTHERN PLAINS. THUNDERSTORMS ARE FORECAST TO DEVELOP THIS
AFTERNOON OVER WESTERN OKLAHOMA AS INSTABILITY AHEAD OF THE UPPER
LOW INTERACTS WITH THE FRONTAL BOUNDARY. THIS ACTIVITY SHOULD
EVENTUALLY SPREAD INTO EASTERN OKLAHOMA AFTER 7 PM AND INTO
NORTHWEST ARKANSAS AFTER 10 PM THIS EVENING. A LIMITED SEVERE
WEATHER POTENTIAL WILL BE POSSIBLE OVER MUCH OF EASTERN OKLAHOMA
AND NORTHWEST ARKANSAS THIS EVENING...WITH AREAS OF ELEVATED
POTENTIAL OVER SOUTHEAST OKLAHOMA. LARGE HAIL LOOKS TO BE THE MAIN
HAZARD WITH ALSO A POSSIBLE DAMAGING WIND THREAT. OVERNIGHT
TONIGHT...THE SEVERE POTENTIAL LOOKS TO BEGIN TO SHIFT SOUTHWARD
AS THE FRONTAL BOUNDARY MOVES INTO TEXAS.

DURING THE DAY TODAY...GUSTY NORTHEASTERLY WINDS IN THE 15 TO 30
MPH RANGE WILL BE POSSIBLE BEHIND THE FRONTAL BOUNDARY.

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
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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