515  
FLUS44 KTSA 162120  
HWOTSA  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE TULSA OK  
420 PM CDT MON SEP 16 2019  
 
ARZ001-002-010-011-019-020-029-OKZ049-053>076-171030-  
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-  
420 PM CDT MON SEP 16 2019  
 
THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS  
MUCH OF EASTERN OKLAHOMA.  
   
DAY ONE
 
THIS AFTERNOON AND TONIGHT.  
 
DANGEROUS HEAT.  
RISK...LIMITED.  
AREA...EASTERN OKLAHOMA AND WEST CENTRAL ARKANSAS.  
ONSET...ONGOING.  
 
DISCUSSION...  
 
HEAT INDICES ACROSS THE REGION RANGE FROM 95 TO 100 DEGREES IN  
MOST PLACES, EXCEPT IN THE LOWER ARKANSAS RIVER VALLEY, WHERE  
VALUES ARE IN THE LOW 100S. CONDITIONS WILL IMPROVE BY SUNSET THIS  
EVENING.  
 
AN ISOLATED THUNDERSTORM IS POSSIBLE TO THE SOUTHEAST OF I-44. IF  
ONE DEVELOPS, LIGHTNING WOULD BE THE MAIN THREAT THRU SUNSET.  
 
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...  
SPOTTER ACTIVATION NOT EXPECTED.  
   
DAYS TWO THROUGH SEVEN
 
TUESDAY THROUGH SUNDAY.  
TUESDAY...NO HAZARDS.  
WEDNESDAY...DANGEROUS HEAT POTENTIAL.  
THURSDAY THRU SATURDAY...THUNDERSTORM POTENTIAL.  
SUNDAY...THUNDERSTORM POTENTIAL...HEAVY RAIN POTENTIAL.  
 
EXTENDED DISCUSSION...  
 
THE UNSEASONABLY HOT AND HUMID WEATHER WILL PERSIST FOR MUCH OF  
THE UPCOMING WEEK AS A RIDGE OF HIGH PRESSURE REMAINS OVER THE  
AREA. HEAT INDICES EACH AFTERNOON WILL RANGE FROM 95 TO 103  
DEGREES ACROSS MUCH OF EASTERN OKLAHOMA AND WEST CENTRAL  
ARKANSAS.  
 
THUNDERSTORM CHANCES RETURN THURSDAY AND CONTINUE THROUGH THE  
WEEKEND AS THE REMNANT TROPICAL MOISTURE FROM A POTENTIAL GULF  
TROPICAL SYSTEM LIFTS NORTHWARD INTO THE AREA. SOME INTERACTION  
WITH AN APPROACHING FRONT IS POSSIBLE BY LATE IN THE WEEKEND,  
WHICH COULD FOCUS HEAVY RAIN POTENTIAL ACROSS NORTHEAST OKLAHOMA  
AND NORTHWEST ARKANSAS.  
 
WEATHER.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.  
 

 
 
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