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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
454 AM CDT SAT APR 18 2015

OKZ004>048-050>052-TXZ083>090-191000-
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-
454 AM CDT SAT APR 18 2015

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

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

.FOG...
PATCHY FOG WILL BE POSSIBLE THIS MORNING ACROSS PARTS OF WESTERN
OKLAHOMA AND WESTERN NORTH TEXAS. SOME LOCATIONS MAY HAVE
VISIBILITIES DROP TO ONE MILE OR LESS. DRIVERS BE PREPARED FOR
SUDDEN CHANGES IN VISIBILITY. ANY FOG IS EXPECTED TO DISSIPATE BY
AROUND 10 AM.

.THUNDERSTORMS...
THERE IS A SLIGHT RISK OF SEVERE STORMS ACROSS PORTIONS OF
OKLAHOMA AND MOST OF WESTERN NORTH TEXAS.

LOCATION...
THE SLIGHT RISK IS EAST OF A LINE FROM BUFFALO AND CHEYENNE... TO
MANGUM OKLAHOMA... TO QUANAH AND BENJAMIN TEXAS.

TIMING...
3PM TO MIDNIGHT.

IMPACTS...
HAIL UP TO THE SIZE OF BASEBALLS AND WIND GUSTS UP TO 70 MPH WILL
BE THE MAIN CONCERNS. LOCALLY HEAVY RAIN WILL ALSO BE POSSIBLE.

DISCUSSION...
SHOWERS AND ISOLATED STORMS ASSOCIATED WITH A WEAK DISTURBANCE
THIS MORNING WILL REMAIN NON-SEVERE WITH CLOUD TO GROUND LIGHTNING
AS THE MAIN CONCERN.

ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP LATER THIS
AFTERNOON AND MOVE ACROSS THE AREA THIS AFTERNOON AND TONIGHT.
WITH ENOUGH SURFACE HEATING STORMS MAY BEGIN TO DEVELOP ANYWHERE
BUT THE MOST LIKELY AREA FOR INITIAL STORM DEVELOPMENT WILL BE
NEAR A DRYLINE IN WESTERN OKLAHOMA AND WESTERN NORTH TEXAS.
INSTABILITY AND WIND SHEAR THIS AFTERNOON AND EVENING WILL BE
SUFFICIENT FOR LARGE HAIL AND POSSIBLY VERY LARGE HAIL. THE STORMS
COULD DEVELOP INTO ONE OR MORE LINES THIS EVENING WHICH MAY SHIFT
THE CONCERN MORE TO DAMAGING WINDS. SHOWERS AND THUNDERSTORMS WILL
LIKELY CONTINUE INTO SUNDAY BUT THE SEVERE WEATHER POTENTIAL IS
EXPECTED TO DECREASE OVERNIGHT.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...

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

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

.THUNDERSTORMS...
SHOWERS AND THUNDERSTORMS WILL LINGER INTO SUNDAY. SEVERE WEATHER
IS UNLIKELY BUT A FEW STORMS MAY BECOME STRONG PRODUCING SMALL
HAIL.

SHOWER AND THUNDERSTORM CHANCES WILL CONTINUE MONDAY NIGHT INTO
FRIDAY. SOME STRONG TO SEVERE STORMS MAY BE POSSIBLE NEXT WEEK AS
WELL.



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

$$

EM/MBS




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