Wind Advisory 19, NWS Tulsa, OK

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1045 AM CDT MON APR 27 2009

...UPDATE...

.DISCUSSION...
FORECAST LOOKS TO BE ON TRACK...WITH THE ONLY CHANGE BEING TO UP
POPS THIS MORNING WITH PRECIP ALREADY ACROSS MUCH OF THE
SOUTHEASTERN PART OF THE FORECAST AREA. COLD FRONT IS STILL
HANGING NORTHWEST OF THE AREA...AND SHOULD BE MOVING INTO THE
NORTHWESTERN PART OF THE FORECAST AREA WITHIN THE NEXT COUPLE OF
HOURS. WILL KEEP AN EYE ON TEMPS...BUT WITH DENSE CLOUD COVER OVER
THE AREA...THINK THAT HIGHS DO NOT NEED TO BE UPPED...EVEN ACROSS
NORTHEAST OKLAHOMA...WHERE OBS ARE CURRENTLY ONLY A COUPLE OF
DEGREES BELOW THE FORECAST HIGHS.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...FLASH FLOOD WATCH UNTIL 7 AM TUESDAY FOR OKZ049-OKZ053-OKZ072-
     OKZ073-OKZ074-OKZ075-OKZ076.

AR...FLASH FLOOD WATCH UNTIL 7 AM TUESDAY FOR ARZ001-ARZ002-ARZ010-
     ARZ011-ARZ019-ARZ020-ARZ029.

&&

SHORT TERM...22
LONG TERM....05

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1250 PM CDT MON APR 27 2009

ARZ001-002-010-011-019-020-029-OKZ049-053>076-281000-
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-
1250 PM CDT MON APR 27 2009

...SCATTERED SEVERE STORMS AND HEAVY RAIN RISK THROUGH TONIGHT...

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

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORM.
RISK...LIMITED.
AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...EARLY THIS AFTERNOON.

FLASH FLOOD.
RISK...ELEVATED.
AREA...SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...THIS AFTERNOON.

HEAVY RAIN.
RISK...SIGNIFICANT.
AREA...SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...ONGOING.

DISCUSSION...
THUNDERSTORMS ARE DEVELOPING...AND WILL CONTINUE TO
DEVELOP...ALONG AND AHEAD OF A COLD FRONT THAT WILL SWEEP ACROSS
EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THROUGH THE DAY AND
OVERNIGHT TONIGHT. UNSTABLE CONDITIONS EXIST ACROSS THE
REGION...AND AS A RESULT...SEVERE THUNDERSTORMS WILL BE POSSIBLE.
THE PRIMARY THREATS WILL BE LARGE HAIL AND DAMAGING WINDS.

IN ADDITION...SHOWERS AND SCATTERED THUNDERSTORMS...FROM THE
REMNANTS OF AN OVERNIGHT THUNDERSTORM COMPLEX IN NORTH TEXAS...WILL
CONTINUE ACROSS SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS THROUGH
MUCH OF THE REMAINDER OF THE AFTERNOON AND EVENING. DURING THE
EVENING AND OVERNIGHT...THE THUNDERSTORMS DEVELOPING ALONG THE
COLD FRONT WILL ALSO SWEEP INTO SOUTHEAST OKLAHOMA AND NORTHWEST
ARKANSAS...ADDING TO THE HEAVY RAIN AND FLASH FLOOD POTENTIAL.
WIDESPREAD RAINFALL TOTALS IN THE 1 TO 3 INCH RANGE WILL BE
LIKELY...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. A FLASH FLOOD WATCH
HAS BEEN ISSUED FOR MOST OF SOUTHEAST OKLAHOMA AND NORTHWEST
ARKANSAS THROUGH TONIGHT.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
TUESDAY...THUNDERSTORM POTENTIAL.
WEDNESDAY...THUNDERSTORM POTENTIAL...HIGH WIND POTENTIAL...HEAVY RAIN POTENTIAL.
THURSDAY...THUNDERSTORM POTENTIAL...HIGH WIND POTENTIAL.
FRIDAY...HIGH WIND POTENTIAL.
SATURDAY...THUNDERSTORM POTENTIAL.
SUNDAY...THUNDERSTORM POTENTIAL.

EXTENDED DISCUSSION...
THUNDERSTORM CHANCES REMAIN IN THE FORECAST THROUGH MID-WEEK...AS
THE COLD FRONT LIFTS BACK NORTH AS A WARM FRONT. THIS BOUNDARY
SHOULD PUSH BACK SOUTH AGAIN AS A COLD FRONT BY THURSDAY
NIGHT...WITH THUNDERSTORM CHANCES FOCUSING SOUTH OF THE AREA ON
FRIDAY. THUNDERSTORM CHANCES WILL REMAIN IN THE FORECAST FOR THE
WEEKEND...ALTHOUGH UNCERTAINTY IN THE PLACEMENT OF SURFACE
BOUNDARIES LEADS TO A LOW CONFIDENCE LEVEL.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL
INFORMATION.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1217 PM CDT MON APR 27 2009

OKZ070-072-074-076-271800-
HASKELL OK-LE FLORE OK-MUSKOGEE OK-SEQUOYAH OK-
1217 PM CDT MON APR 27 2009

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 100 PM CDT
FOR THE FOLLOWING COUNTIES...

IN EAST CENTRAL OKLAHOMA
     SOUTHEASTERN MUSKOGEE AND SEQUOYAH

IN SOUTHEAST OKLAHOMA
     HASKELL AND NORTHERN LE FLORE

AT 1215 PM CDT...STRONG OUTFLOW WINDS OF 40 TO 50 MPH WERE OCCURRING
ALONG THE NORTHERN EDGE OF A LARGE AREA OF SHOWERS AND THUNDERSTORMS
THAT COVERED MUCH OF SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS.

A LARGE PORTION OF SOUTHEASTERN MUSKOGEE...SEQUOYAH...HASKELL AND
NORTHERN LE FLORE COUNTIES WILL BE AFFECTED BY THESE HIGH WINDS
THROUGH 100 PM CDT.

LAT...LON 3509 9535 3516 9535 3556 9529 3557 9446
      3545 9444 3512 9444
TIME...MOT...LOC 1715Z 214DEG 32KT 3521 9508