759  
WGMY60 PGUM 100504  
FFAGUM  
 
FLOOD WATCH  
NATIONAL WEATHER SERVICE TIYAN GU  
304 PM CHST TUE OCT 10 2023  
 
GUZ001-MPZ001>003-102245-  
/O.CON.PGUM.FA.A.0007.000000T0000Z-231011T0800Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
GUAM-ROTA-TINIAN-SAIPAN-  
304 PM CHST TUE OCT 10 2023  
   
..FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON
 
 
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE  
POSSIBLE.  
 
* WHERE...GUAM, ROTA, TINIAN AND SAIPAN.  
 
* WHEN...THROUGH WEDNESDAY AFTERNOON.  
 
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,  
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.  
STREAMS MAY RISE OUT OF THEIR BANKS. FLASH FLOODING MAY OCCUR IN  
POOR DRAINAGE AND URBAN AREAS. EXTENSIVE STREET FLOODING IS  
POSSIBLE.  
 
* ADDITIONAL DETAILS...  
- TYPHOON BOLAVEN CONTINUES TO PASS THROUGH THE MARIANAS. HEAVY  
RAIN IS EXPECTED THROUGH TONIGHT INTO WEDNESDAY. MODEL  
GUIDANCE CONTINUES TO INDICATE RAINFALL POTENTIAL OF 8 TO 14  
INCHES, WITH LOCALLY HEAVIER AMOUNTS UP TO 20 INCHES  
POSSIBLE. THIS WOULD RESULT IN EXTENSIVE FLASH FLOODING  
ACROSS THE ISLANDS.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION  
SHOULD FLASH FLOOD WARNINGS BE ISSUED.  
 

 
 

 
 
DS  
 
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