022
WGMY80 PGUM 160137
FLSGUM
FLOOD ADVISORY
NATIONAL WEATHER SERVICE TIYAN GU
1137 AM CHST TUE SEP 16 2025
GUC010-160215-
/O.NEW.PGUM.FA.Y.0030.250916T0137Z-250916T0215Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAM-
1137 AM CHST TUE SEP 16 2025
..FLOOD ADVISORY IN EFFECT UNTIL 1215 PM CHST THIS AFTERNOON
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.
* WHERE...GUAM.
* WHEN...UNTIL 1215 PM CHST.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.
WATER OVER ROADWAYS. OVERFLOWING POOR DRAINAGE AREAS.
* ADDITIONAL DETAILS...
- AT 1137 AM CHST, DOPPLER RADAR INDICATED HEAVY RAIN. MINOR
FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY IN THE
ADVISORY AREA.
- ADDITIONAL RAINFALL AMOUNTS OF 0.4 TO 1.6 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, YONA, HAGATNA HEIGHTS, ANDERSEN AFB, TALOFOFO,
MONGMONG-TOTO-MAITE, SINAJANA, INARAJAN, ASAN, MERIZO, PITI,
SANTA RITA AND UMATAC.
- 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.
PLEASE REPORT OBSERVED FLOODING TO LOCAL EMERGENCY SERVICES OR LAW
ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION TO THE NATIONAL
WEATHER SERVICE WHEN YOU CAN DO SO SAFELY.
LAT...LON 1338 14465 1340 14466 1341 14466 1342 14466
1345 14461 1344 14466 1346 14466 1346 14464
1348 14465 1347 14470 1348 14476 1348 14477
1349 14477 1351 14478 1351 14480 1352 14480
1354 14480 1358 14483 1359 14483 1362 14483
1363 14484 1364 14485 1366 14486 1361 14491
1360 14496 1352 14493 1340 14478 1328 14477
1325 14472 1325 14470 1325 14469 1325 14468
1324 14465 1327 14466 1336 14465 1337 14464
1337 14465
PD
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