225
WGMY80 PGUM 292041
FLSGUM

Flood Advisory
National Weather Service Tiyan GU
641 AM ChST Sat Aug 30 2025

GUC010-292230-
/O.NEW.PGUM.FA.Y.0027.250829T2041Z-250829T2230Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Guam-
641 AM ChST Sat Aug 30 2025

...FLOOD ADVISORY IN EFFECT UNTIL 830 AM CHST THIS MORNING...

* WHAT...Urban and small stream flooding caused by excessive
  rainfall is expected.

* WHERE...Guam.

* WHEN...Until 830 AM ChST.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
  - At 635 AM ChST, Doppler radar indicated heavy rain moving
    across southern Guam and gradually filling in over central
    and northern Guam. This is expected to cause urban and small
    stream flooding.
  - 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, 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.

&&

LAT...LON 1344 14460 1346 14460 1348 14463 1350 14475
      1352 14476 1354 14478 1366 14483 1368 14485
      1368 14487 1363 14492 1362 14497 1361 14497
      1359 14498 1351 14494 1341 14480 1326 14478
      1322 14474 1322 14469 1321 14465 1321 14463
      1324 14462 1327 14464 1334 14461 1340 14463


$$

IC