949  
WGMY80 PGUM 050254  
FLSGUM  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE TIYAN GU  
1254 PM CHST SUN OCT 5 2025  
 
GUC010-050500-  
/O.NEW.PGUM.FA.Y.0034.251005T0254Z-251005T0500Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
GUAM-  
1254 PM CHST SUN OCT 5 2025  
   
..FLOOD ADVISORY IN EFFECT UNTIL 3 PM CHST THIS AFTERNOON
 
 
* WHAT...URBAN AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE  
RAINFALL IS EXPECTED.  
 
* WHERE...NORTH AND CENTRAL GUAM.  
 
* WHEN...UNTIL 300 PM CHST.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
WATER OVER ROADWAYS.  
 
* ADDITIONAL DETAILS...  
- AT 1253 PM CHST, DOPPLER RADAR INDICATED HEAVY RAIN. THIS  
WILL CAUSE URBAN AND SMALL STREAM FLOODING. BETWEEN 0.5 AND 1  
INCH OF RAIN HAS FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 1.5 INCHES ARE EXPECTED  
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR  
FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
DEDEDO, TAMUNING, YIGO, MANGILAO, CHALAN PAGO-ORDOT,  
BARRIGADA, ANDERSEN AFB AND MONGMONG-TOTO-MAITE.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 

 
 
LAT...LON 1344 14477 1350 14479 1349 14480 1351 14480  
1351 14482 1352 14483 1356 14486 1355 14494  
1354 14494 1352 14495 1344 14485 1342 14482  
1343 14480  
 

 
 
JS  
 
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