Hazardous Weather Outlook
Issued by NWS Oklahoma City, OK

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FLUS44 KOUN 171349
HWOOUN

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
849 AM CDT FRI APR 17 2015

OKZ004>048-050>052-TXZ083>090-181400-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-
NOBLE-ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-
BECKHAM-WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-
CLEVELAND-POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-
TILLMAN-COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-
JEFFERSON-CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-
FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
849 AM CDT FRI APR 17 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN...
WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH
TEXAS.

.DAY ONE...TODAY AND TONIGHT...

.THUNDERSTORMS...
TWO ROUNDS OF THUNDERSTORMS TODAY...

THIS MORNING...A FEW STRONG TO SEVERE STORMS ARE POSSIBLE THIS
MORNING ACROSS CENTRAL AND SOUTHERN OKLAHOMA AND WESTERN NORTH
TEXAS.

THIS AFTERNOON AND EVENING... THERE IS A SLIGHT RISK OF SEVERE
STORMS ACROSS PORTIONS OF WESTERN AND CENTRAL OKLAHOMA... AND
WESTERN NORTH TEXAS. THERE IS A MARGINAL RISK ACROSS THE REST OF
THE AREA.

LOCATION...
THE SLIGHT RISK IS ALONG AND WEST OF A LINE FROM STILLWATER AND
SHAWNEE... TO ARDMORE AND MARIETTA OKLAHOMA. THIS INCLUDES ALL OF
WESTERN NORTH TEXAS. THE MARGINAL RISK AREA IS TO THE EAST OF THIS
LINE.

TIMING...
A FEW SEVERE STORMS WILL BE POSSIBLE THROUGH 7 AM THIS MORNING.
SEVERE STORM CHANCES WILL THEN RETURN LATER TODAY FROM 4 PM TO
MIDNIGHT.

IMPACTS...
THIS MORNING... HAIL UP TO THE SIZE OF QUARTERS AND WIND GUSTS UP
TO 65 MPH ARE POSSIBLE.

LATER TODAY... HAIL UP TO THE SIZE OF TENNIS BALLS AND WIND GUSTS
TO 70 MPH WILL BE LIKELY. THERE IS ALSO A LOW POTENTIAL FOR A FEW
TORNADOES IN PARTS OF NORTHWEST AND WEST CENTRAL OKLAHOMA.

HEAVY RAIN CAUSING SOME MINOR FLOODING IS ALSO A CONCERN TODAY
AND TONIGHT.

DISCUSSION...
A LINE OF STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO MOVE
ACROSS PARTS OF WESTERN INTO CENTRAL OKLAHOMA... AND WESTERN NORTH
TEXAS THIS MORNING. STRONG WIND GUSTS... LARGE HAIL... AND HEAVY
RAIN WILL BE THE MAIN CONCERN WITH THESE STORMS.

A BREAK IN THE STORMS IS EXPECTED LATER THIS MORNING INTO THIS
AFTERNOON. HOWEVER... ADDITIONAL THUNDERSTORMS ARE EXPECTED TO
DEVELOP LATER THIS AFTERNOON AND THIS EVENING. STORMS WILL MOST
LIKELY BEGIN IN PARTS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS
NEAR A DRYLINE THEN SPREAD EAST THIS EVENING. HOWEVER... ANY
LINGERING OUTFLOW BOUNDARIES FROM THE OVERNIGHT AND MORNING
CONVECTION COULD ALSO BECOME A FOCUS FOR THUNDERSTORM DEVELOPMENT
THIS AFTERNOON. LARGE HAIL AND STRONG WIND GUSTS WILL BE THE MAIN
CONCERN. THERE IS ALSO A LOW POTENTIAL FOR A FEW TORNADOES IN
PARTS OF NORTHWEST AND WEST CENTRAL OKLAHOMA. THE SEVERE POTENTIAL
IS EXPECTED TO DECREASE OVERNIGHT.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...

STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREA SHOULD PREPARE FOR SEVERE WEATHER OPERATIONS LATE THIS
AFTERNOON AND THIS EVENING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

.THUNDERSTORMS...
SEVERE STORMS WILL BE POSSIBLE AGAIN SATURDAY AFTERNOON AND
EVENING ACROSS THE AREA WITH A SLIGHT RISK NORTHWEST OF A LINE
FROM SAYRE AND CLINTON... TO ENID AND MEDFORD OKLAHOMA. LARGE HAIL
AND STRONG WINDS WILL BE THE MAIN CONCERN.

THERE IS A MARGINAL RISK OF SEVERE STORMS ON SUNDAY AFTERNOON
MAINLY EAST OF I-35. LARGE HAIL AND GUSTY WINDS WILL BE THE MAIN
CONCERN.

THUNDERSTORMS WILL REMAIN POSSIBLE ACROSS PARTS OF OKLAHOMA AND
WESTERN NORTH TEXAS THROUGH THE REST OF THE WEEK.

GET GRAPHICS AND MORE DETAILS AT WEATHER.GOV/NORMAN...AND FOLLOW
OUR WEATHER FORECAST OFFICE ON TWITTER AND FACEBOOK.

$$

EM/MBS/JTK



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