Flood Statement
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
365
WGMY80 PGUM 060554
FLSGUM
Flood Advisory
National Weather Service Tiyan GU
354 PM ChST Thu Nov 6 2025
GUC010-060745-
/O.NEW.PGUM.FA.Y.0046.251106T0554Z-251106T0745Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Guam-
354 PM ChST Thu Nov 6 2025
...FLOOD ADVISORY IN EFFECT UNTIL 545 PM CHST THIS AFTERNOON...
* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Guam.
* WHEN...Until 645 PM ChST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Some low-water crossings may become
impassable. River or stream flows are elevated. Rises in small
streams.
* ADDITIONAL DETAILS...
- At 354 PM ChST, Doppler radar and automated rain gauges
indicated heavy rain due to thunderstorms. This will cause
urban and small stream flooding. Between 0.4 and 1 inch of
rain has fallen during the past hour. Additional rainfall of
1 to 2 inches are possible through 6:45 PM.
- Additional rainfall amounts of 0.6 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.
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 1361 14492 1362 14497 1361 14497 1359 14498
1353 14495 1351 14492 1347 14490 1341 14480
1326 14478 1322 14474 1322 14469 1321 14465
1321 14463 1324 14462 1327 14464 1334 14461
1340 14463 1344 14460 1347 14460 1348 14462
1350 14475 1352 14476 1354 14478 1366 14483
1368 14485 1368 14486 1363 14489
$$
PD