750
WGMY80 PGUM 220406
FLSGUM
FLOOD ADVISORY
NATIONAL WEATHER SERVICE TIYAN GU
206 PM CHST WED JUL 22 2026
GUC010-220600-
/O.NEW.PGUM.FA.Y.0069.260722T0406Z-260722T0600Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAM-
206 PM CHST WED JUL 22 2026
..FLOOD ADVISORY IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON
* WHAT...URBAN AREA AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE
RAINFALL IS EXPECTED.
* WHERE...NORTHERN GUAM...
* WHEN...UNTIL 400 PM CHST.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.
WATER OVER ROADWAYS. PONDING OF WATER IN URBAN OR OTHER AREAS IS
OCCURRING OR IS IMMINENT.
* ADDITIONAL DETAILS...
- AT 205 PM CHST, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
HEAVY RAIN DUE TO THUNDERSTORMS. THIS WILL CAUSE URBAN AND SMALL
STREAM FLOODING. BETWEEN 0.5 AND 1 INCH OF RAIN HAS FALLEN.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DEDEDO, TAMUNING, YIGO, MANGILAO, 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.
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.
LAT...LON 1350 14472 1350 14475 1352 14476 1353 14478
1366 14483 1368 14484 1368 14487 1363 14491
1362 14496 1361 14497 1359 14497 1351 14494
1343 14483
TM
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