265
WGMY60 PGUM 022047
FFAGUM
FLOOD WATCH
NATIONAL WEATHER SERVICE TIYAN GU
647 AM CHST SAT OCT 3 2026
GUZ001-MPZ001>003-030800-
/O.CON.PGUM.FA.A.0006.000000T0000Z-261004T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAM-ROTA-TINIAN-SAIPAN-
647 AM CHST SAT OCT 3 2026
..FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE
POSSIBLE.
* WHERE...GUAM, ROTA, SAIPAN AND TINIAN.
* WHEN...THROUGH LATE SUNDAY NIGHT.
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.
FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.
* ADDITIONAL DETAILS...
- TYPHOON CHOI-WAN (26W) IS NEARLY STATIONARY AND IS EXPECTED TO
PIVOT NORTH-NORTHEAST THROUGH THE NORTHERN CNMI THROUGH THE
WEEKEND NEAR PAGAN AND AGRIHAN. TO THE SOUTH OF CHOI-WAN, SURGING
MONSOON INFLOW WILL MAINTAIN WET CONDITIONS INTO EARLY NEXT WEEK,
RESULTING IN 4 TO 6 INCHES OF RAIN FOR GUAM AND ROTA, AND 5 TO 8
INCHES FOR TINIAN AND SAIPAN DURING THE WATCH PERIOD.
- 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.
EM
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