583  
WWUS74 KBRO 201731  
NPWBRO  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
1231 PM CDT THU JUN 20 2019  
   
..ELEVATED HEAT THREAT
 
 
.RIDGING ALOFT AND SURFACE HIGH PRESSURE WILL SUPPORT AMPLE SUN  
AND ABOVE NORMAL TEMPERATURES. COMBINED WITH LOW LEVEL MOISTURE,  
THE RESULT WILL BE OPPRESSIVE AND DANGEROUS HEAT.  
 
TXZ248>257-351-353-210000-  
/O.CON.KBRO.HT.Y.0007.190620T1800Z-190621T0000Z/  
ZAPATA-JIM HOGG-BROOKS-INLAND KENEDY-STARR-SOUTHERN HIDALGO-  
INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-  
COASTAL KENEDY-NORTHERN HIDALGO-  
INCLUDING THE CITIES OF ZAPATA, HEBBRONVILLE, FALFURRIAS, SARITA,  
RIO GRANDE CITY, ROMA, MCALLEN, EDINBURG, PHARR, MISSION,  
WESLACO, RAYMONDVILLE, BROWNSVILLE, HARLINGEN, PORT MANSFIELD,  
PORT ISABEL, SOUTH PADRE ISLAND, LAGUNA HEIGHTS, LAGUNA VISTA,  
AND SAN MANUEL  
1231 PM CDT THU JUN 20 2019  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
 
 
* TEMPERATURE...HEAT INDEX VALUES BETWEEN 111 AND 115 DEGREES.  
 
* IMPACTS...AN INCREASED RISK OF HEAT-RELATED ILLNESSES  
INCLUDING HEAT EXHAUSTION AND HEAT STROKE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A HEAT ADVISORY IS ISSUED WHEN THE HEAT INDEX...A MEASURE OF HOW  
IT FEELS WHEN TEMPERATURE AND HUMIDITY ARE COMBINED...EQUALS OR  
EXCEEDS 111 FOR 2 HOURS OR MORE DURING THE DAY.  
 

 
 

 
 
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