Severe Thunderstorm Warning 556, NWS Norman, OK

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
238 PM CDT SAT JUL 4 2015

.DISCUSSION...
A FEW ISOLATED STORMS HAVE DEVELOPED EARLY THIS AFTERNOON FROM NW TO
SE PARTS OF THE FA. ISOLATED TO WIDELY SCATTERED SHOWERS/STORMS WILL
REMAIN POSSIBLE INTO THIS EVENING WITH A FEW STRONG TO MARGINALLY
SEVERE STORMS POSSIBLE. ISOLATED STORMS WILL REMAIN POSSIBLE
OVERNIGHT INTO SUNDAY MORNING BUT THE AREA WHERE THIS MOST LIKELY
WILL HAPPEN IS EXPECTED TO GRADUALLY SHIFT NE ACROSS THE FA. THE
POTENTIAL FOR ANY SEVERE STORMS WILL DECREASE AFTER SUNSET.

MOST OF THE AREA WILL REMAIN DRY SUNDAY... EXCEPT FOR MAYBE AN
OUTSIDE CHANCE OF AN ISOLATED STORM DUE TO SFC HEATING AND THE MOIST
AIRMASS OVER THE AREA. RAIN CHANCES WILL RETURN MONDAY AND CONTINUE
THROUGH AT LEAST THE MIDDLE OF NEXT WEEK. THE GREATEST CHANCE AND
MOST LIKELY TIME FOR WIDESPREAD RAIN WILL BE MONDAY AFTN INTO
TUESDAY AS A COLD FRONT GRADUALLY MOVES ACROSS PARTS OF THE FA.
HEAVY RAIN WILL BE LIKELY IN SOME AREAS WHICH COULD LEAD TO FLASH
FLOODING IN SOME LOCATIONS. A FLASH FLOOD WATCH MAY BE NEEDED IN
PARTS OF THE FA BUT MODELS DISAGREE RIGHT NOW WHERE THE AXIS OF
HEAVIEST RAIN WILL FALL. HOWEVER... THE MODELS DO AGREE THAT SOME
AREAS COULD RECEIVE UP TO OR OVER 4 INCHES OF RAIN. MODELS
EVENTUALLY SHOW THE FRONT STALLING OUT OVER PARTS OF THE FA SO RAIN
CHANCES WILL CONTINUE INTO WEDNESDAY WITH THE BOUNDARY LINGERING IN
THE AREA.

MODELS THEN SHOW A SHORTWAVE MOVING ACROSS THE CENTRAL PLAINS WHICH
WILL CAUSE RAIN CHANCES TO CONTINUE INTO THURSDAY BUT SHIFT TOWARDS
NORTHERN PARTS OF THE FA. MODELS THEN BEGIN TO DIVERGE AS TO THE
STRENGTH OF THE UPPER HIGH THAT BUILDS INTO PARTS OF THE SOUTHERN
PLAINS WITH ECMWF STRONGER THAN THE GFS. IF GFS IS RIGHT... RAIN
CHANCES MAY NOT COMPLETELY END LATE NEXT WEEK INTO THE WEEKEND AT
LEAST ACROSS NORTHERN OK.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  72  91  73  90 /  20  10  10  20
HOBART OK         73  94  74  92 /  10  10  10  30
WICHITA FALLS TX  74  94  75  94 /  10  10  10  10
GAGE OK           71  94  74  90 /  20  10  10  80
PONCA CITY OK     73  94  75  91 /  30  40  10  50
DURANT OK         73  90  74  91 /  20  20  10  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.
&&

23/25

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1155 AM CDT SAT JUL 4 2015

OKZ004>048-050>052-TXZ083>090-051015-
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-
1155 AM CDT SAT JUL 4 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

.THUNDERSTORMS...
A FEW SCATTERED THUNDERSTORMS WILL OCCUR THIS AFTERNOON AND
EVENING...ESPECIALLY FROM NORTHWEST OKLAHOMA INTO SOUTH CENTRAL
AND SOUTHEAST OKLAHOMA.

THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING...
STRONG WIND GUSTS OVER 60 MPH...
SMALL HAIL...
VERY HEAVY RAIN WITH MINOR FLOODING...

THUNDERSTORM COVERAGE WILL LIKELY DECREASE BY LATE EVENING.

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

.THUNDERSTORMS...
THUNDERSTORMS WILL REMAIN POSSIBLE SUNDAY THROUGH THURSDAY.
THE BEST CHANCE OF WIDESPREAD SHOWERS AND THUNDERSTORMS WILL BE
MONDAY AND TUESDAY...AS A COLD FRONT MOVES SLOWLY ACROSS
OKLAHOMA. THE STRONGEST STORMS MONDAY AND TUESDAY WILL BE CAPABLE
OF PRODUCING STRONG WINDS AND LOCALLY HEAVY RAINFALL. SOME
FLOODING MAY OCCUR...ESPECIALLY ACROSS NORTHERN AND WESTERN
OKLAHOMA.

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

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
347 PM CDT SAT JUL 4 2015

OKZ017-018-042115-
BLAINE OK-KINGFISHER OK-
347 PM CDT SAT JUL 4 2015

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL BLAINE AND
SOUTHWESTERN KINGFISHER COUNTIES UNTIL 415 PM CDT...

AT 346 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES EAST OF
WATONGA...MOVING EAST AT 15 MPH. A SECOND STRONG THUNDERSTORM WAS
NEAR HITCHCOCK...ALSO MOVING EAST AT 15 MPH.

HAZARDS INCLUDE...
HAIL UP TO ONE-HALF INCH DIAMETER...
WIND GUSTS TO 50 MPH...

LOCATIONS IMPACTED INCLUDE...
HITCHCOCK AND OMEGA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

&&

LAT...LON 3601 9815 3582 9809 3572 9820 3572 9822
      3577 9842 3597 9837
TIME...MOT...LOC 2046Z 278DEG 12KT 3585 9832

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
411 PM CDT SAT JUL 4 2015

OKZ017-018-024-042145-
CANADIAN OK-BLAINE OK-KINGFISHER OK-
411 PM CDT SAT JUL 4 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CANADIAN...EAST
CENTRAL BLAINE AND SOUTHWESTERN KINGFISHER COUNTIES UNTIL 445 PM
CDT...

AT 407 PM CDT...STRONG THUNDERSTORMS EXTENDED FROM NEAR GEARY TO
LOYAL...MOVING EAST AT 25 MPH.

HAZARDS INCLUDE...
HAIL UP TO ONE-HALF INCH DIAMETER...
WIND GUSTS TO 50 MPH...
MINOR FLOODING IN AREAS OF POOR DRAINAGE...

LOCATIONS IMPACTED INCLUDE...
KINGFISHER...OKARCHE...CALUMET AND LOYAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

&&

LAT...LON 3563 9831 3600 9813 3593 9788 3553 9808
TIME...MOT...LOC 2107Z 291DEG 20KT 3577 9815

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