325  
WGMY50 PGUM 060248  
FFWGUM  
GUC010-060345-  
/O.NEW.PGUM.FF.W.0023.260806T0248Z-260806T0345Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE TIYAN GU  
1248 PM CHST THU AUG 6 2026  
 
THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
GUAM...  
 
* UNTIL 145 PM CHST.  
 
* AT 1248 PM CHST, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED  
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN  
2 AND 4 INCHES OF RAIN HAVE FALLEN. FLASH FLOODING IS ONGOING OR  
EXPECTED TO BEGIN SHORTLY.  
 
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.  
 
SOURCE...RADAR AND AUTOMATED GAUGES.  
 
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, URBAN AREAS,  
HIGHWAYS, STREETS AND UNDERPASSES AS WELL AS OTHER POOR  
DRAINAGE AND LOW-LYING AREAS.  
 
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...  
DEDEDO, TAMUNING, YIGO, MANGILAO, CHALAN PAGO-ORDOT, BARRIGADA,  
YONA, HAGATNA HEIGHTS, TALOFOFO, MONGMONG-TOTO-MAITE, SINAJANA,  
INARAJAN, ASAN, MERIZO, PITI, SANTA RITA AND UMATAC.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 

 
 
LAT...LON 1334 14461 1340 14463 1342 14462 1344 14460  
1346 14460 1348 14463 1350 14475 1353 14478  
1356 14479 1354 14496 1351 14494 1341 14481  
1328 14479 1325 14478 1322 14470 1322 14469  
1321 14465 1324 14463 1327 14465  
 
FLASH FLOOD...RADAR AND GAUGE INDICATED  
 

 
 
WILLIAMS  
 
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