129
WGMY80 PGUM 011022
FLSGUM

Flood Advisory
National Weather Service Tiyan GU
822 PM ChST Fri Aug 1 2025

GUC010-011100-
/O.EXT.PGUM.FA.Y.0018.000000T0000Z-250801T1100Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Guam-
822 PM ChST Fri Aug 1 2025

...FLOOD ADVISORY NOW IN EFFECT UNTIL 9 PM CHST THIS EVENING...

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

* WHERE...Southern half of Guam.

* WHEN...Until 900 PM ChST.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
  Water over roadways. Overflowing poor drainage areas.

* ADDITIONAL DETAILS...
  - At 821 PM ChST, Doppler radar and automated rain gauges
    indicated heavy rain. This will cause urban and small stream
    flooding. Between 0.7 and 1.2 inches of rain have fallen.
  - Additional rainfall amounts of 0.4 to 1 inch are expected
    over the area. This additional rain will result in minor
    flooding.
  - Some locations that will experience flooding include...
    Tamuning, Mangilao, Chalan Pago-Ordot, Barrigada, Yona,
    Hagatna Heights, 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.

&&

LAT...LON 1339 14462 1340 14463 1340 14462 1341 14462
      1342 14461 1347 14461 1348 14461 1348 14473
      1348 14474 1348 14475 1348 14476 1348 14477
      1345 14483 1344 14485 1341 14480 1333 14479
      1322 14473 1322 14472 1324 14465 1325 14463
      1326 14463 1326 14464 1327 14464 1332 14462
      1334 14461 1337 14461 1338 14462


$$

EM