557
WGMY80 PGUM 120210
FLSGUM
FLOOD ADVISORY
NATIONAL WEATHER SERVICE TIYAN GU
1210 PM CHST THU MAR 12 2026
GUC010-120415-
/O.NEW.PGUM.FA.Y.0039.260312T0210Z-260312T0415Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAM-
1210 PM CHST THU MAR 12 2026
..FLOOD ADVISORY IN EFFECT UNTIL 215 PM CHST THIS AFTERNOON
* WHAT...URBAN AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE
RAINFALL IS EXPECTED.
* WHERE...WESTERN GUAM.
* WHEN...UNTIL 215 PM CHST.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.
PONDING OF WATER IN URBAN OR OTHER AREAS IS OCCURRING OR IS
IMMINENT. RISES IN SMALL STREAMS.
* ADDITIONAL DETAILS...
- AT 1209 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 1 TO 2 INCHES ARE EXPECTED
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR
FLOODING.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DEDEDO, TAMUNING, YIGO, CHALAN PAGO-ORDOT, BARRIGADA, YONA,
HAGATNA HEIGHTS, ANDERSEN AFB, MONGMONG-TOTO-MAITE, SINAJANA,
ASAN, 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.
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 1333 14464 1334 14463 1335 14461 1337 14461
1338 14462 1340 14463 1341 14462 1343 14460
1344 14459 1346 14460 1347 14461 1348 14462
1350 14475 1352 14476 1354 14478 1366 14483
1368 14485 1368 14486 1363 14492 1348 14480
1334 14464
KK/JW
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