665  
WWUS74 KEWX 230819  
NPWEWX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
319 AM CDT THU AUG 23 2018  
 
TXZ171>173-190>194-205>209-219>225-240000-  
/O.NEW.KEWX.HT.Y.0005.180823T1800Z-180824T0000Z/  
LLANO-BURNET-WILLIAMSON-BLANCO-HAYS-TRAVIS-BASTROP-LEE-BEXAR-  
COMAL-GUADALUPE-CALDWELL-FAYETTE-FRIO-ATASCOSA-WILSON-KARNES-  
GONZALES-DE WITT-LAVACA-  
INCLUDING THE CITIES OF LLANO, BURNET, GEORGETOWN, BLANCO,  
SAN MARCOS, AUSTIN, BASTROP, GIDDINGS, SAN ANTONIO,  
NEW BRAUNFELS, SEGUIN, LOCKHART, LA GRANGE, PEARSALL, PLEASANTON,  
FLORESVILLE, KARNES CITY, GONZALES, CUERO, AND HALLETSVILLE  
319 AM CDT THU AUG 23 2018  
 
...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT  
THIS EVENING...  
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A  
HEAT ADVISORY, WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO  
7 PM CDT THIS EVENING.  
 
* TEMPERATURE...101 TO 105 WITH HEAT INDEX VALUES RANGING FROM  
103 TO 110 DEGREES.  
 
* IMPACTS...VERY HOT TEMPERATURES WILL INCREASE THE RISK OF HEAT  
RELATED ILLNESSES SUCH AS HEAT EXHAUSTION AND HEAT STROKE. WINDS  
WILL BE MOSTLY LIGHT, WHICH COULD EXACERBATE THE EFFECTS OF THE  
HEAT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS  
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY  
WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE  
POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED  
ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND  
NEIGHBORS.  
 
TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN  
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR  
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT  
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE  
AND DRINK PLENTY OF WATER.  
 

 
 

 
 
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