Hazardous Weather Outlook
Issued by NWS Tulsa, OK

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FLUS44 KTSA 202159
HWOTSA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
459 PM CDT WED JUL 20 2016

ARZ001-002-010-011-019-020-029-OKZ049-053>076-211045-
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-
459 PM CDT WED JUL 20 2016

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

.DAY ONE...THIS EVENING AND TONIGHT.

THUNDERSTORMS WITH DANGEROUS LIGHTNING.
RISK...LIMITED.
AREA...FAR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...ONGOING.

DANGEROUS HEAT.
RISK...ELEVATED.
AREA...EASTERN OKLAHOMA AND WEST CENTRAL ARKANSAS.
ONSET...ONGOING.

DISCUSSION...
THE COMBINATION OF TEMPERATURES IN THE 90S AND HIGH HUMIDITY HAS
RESULTED IN HEAT INDEX VALUES FROM 105 TO 108 DEGREES ACROSS MUCH
OF EASTERN OKLAHOMA AND WEST CENTRAL ARKANSAS THIS AFTERNOON.
THESE CONDITIONS WILL IMPROVE AFTER SUNSET BUT TEMPERATURES ARE
ONLY EXPECTED TO FALL INTO THE MID 70S TO NEAR 80 ACROSS MUCH OF
THE AREA OVERNIGHT. A HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM
THIS EVENING.

ISOLATED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON
OVER THE TERRAIN OF FAR EASTERN OKLAHOMA AND NORTHWESTERN
ARKANSAS. THE STRONGEST STORMS MAY PRODUCE BRIEF GUSTY WIND BUT
LITTLE TO NO SEVERE WEATHER IS EXPECTED. ALL OF THIS ACTIVITY WILL
DISSIPATE BY AROUND SUNSET.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THURSDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT POTENTIAL.
FRIDAY AND SATURDAY...DANGEROUS HEAT POTENTIAL.
SUNDAY THROUGH TUESDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT
POTENTIAL.

EXTENDED DISCUSSION...
THE HEAT AND HUMIDITY WILL PERSIST THROUGH THE REST OF THE WEEK
AND INTO THE WEEKEND...AS AN UPPER LEVEL RIDGE BUILDS ACROSS THE
PLAINS. MAXIMUM AFTERNOON HEAT INDEX VALUES WILL BE IN THE 105 TO
110 DEGREE RANGE. EARLY NEXT WEEK...THE RIDGE IS EXPECTED TO
SHIFT WESTWARD...ALLOWING A WEAK COLD FRONT TO APPROACH THE
REGION. TEMPERATURES CLOSER TO SEASONAL AVERAGES AND INCREASED
THUNDERSTORM POTENTIAL WILL RESULT.

WWW.WEATHER.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

$$

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