002  
WWUS74 KTSA 201657  
NPWTSA  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE TULSA OK  
1157 AM CDT SAT JUN 20 2026  
 
ARZ129-219-220-OKZ055-056-059>061-064>067-070-071-154-254-354-210600-  
/O.NEW.KTSA.HT.Y.0005.260621T1800Z-260622T0000Z/  
NORTH AND CENTRAL SEBASTIAN-SOUTHERN CRAWFORD-CENTRAL AND  
SOUTHERN FRANKLIN-WASHINGTON OK-NOWATA-PAWNEE-TULSA-ROGERS-CREEK-  
OKFUSKEE-OKMULGEE-WAGONER-MUSKOGEE-MCINTOSH-WESTERN OSAGE-  
NORTHEAST OSAGE-SOUTHEAST OSAGE-  
INCLUDING THE CITIES OF NOWATA, MUSKOGEE, LONELM, SAPULPA,  
OKMULGEE, OZARK, VAN BUREN, FAIRFAX, HOMINY, CRAVENS, OKEMAH,  
WAGONER, CLAREMORE, CECIL, BARTLESVILLE, PAWNEE, CHECOTAH, TULSA,  
CHARLESTON, JETHRO, FORT SMITH, WATALULA, SHIDLER, AND PAWHUSKA  
1157 AM CDT SAT JUN 20 2026  
   
..HEAT ADVISORY IN EFFECT FROM 1 PM TO 7 PM CDT SUNDAY  
 
* WHAT...HEAT INDEX VALUES UP TO 108 EXPECTED.  
 
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL ARKANSAS AND EAST  
CENTRAL, NORTHEAST, AND SOUTHEAST OKLAHOMA.  
 
* WHEN...FROM 1 PM TO 7 PM CDT SUNDAY.  
 
* IMPACTS...HEAT RELATED ILLNESSES ARE POSSIBLE ESPECIALLY IMPACTING  
THOSE NOT ACCLIMATED TO THE CONDITIONS OR THOSE PERFORMING  
STRENUOUS ACTIVITIES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE  
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING  
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND  
HEAT STROKE.  
 
 
 
 
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