Flash Flood Warning
Issued by NWS Tiyan, Guam

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BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tiyan GU
141 PM ChST Thu Nov 6 2025

The National Weather Service in Tiyan has issued a

* Flash Flood Warning for...
  Southwestern Guam...

* Until 215 PM ChST.

* At 141 PM ChST, Doppler radar and automated rain gauges indicated
  heavy rain falling across the warned area. Between 1.6 and 3
  inches of rain have fallen. The expected rainfall rate is 0.5 to
  1.5 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches
  are possible in the warned area. Flash flooding is ongoing or
  expected to begin shortly.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Radar and automated gauges.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, and streets as well as other poor drainage and
           low-lying areas.

* Some locations that will experience flash flooding include...
  Mangilao, Chalan Pago-Ordot, Barrigada, Yona, Hagatna Heights,
  Talofofo, Mongmong-Toto-Maite, Sinajana, Inarajan, Asan, Merizo,
  Piti, Santa Rita and Umatac.

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.

In hilly terrain there are areas of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

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 1345 14462 1344 14466 1342 14466 1342 14467
      1343 14468 1342 14468 1344 14467 1344 14468
      1345 14468 1346 14468 1346 14467 1346 14466
      1346 14464 1346 14462 1347 14464 1348 14473
      1348 14476 1344 14482 1343 14480 1341 14479
      1338 14477 1333 14477 1330 14477 1328 14476
      1325 14473 1325 14470 1326 14469 1325 14468
      1326 14468 1329 14466 1330 14466 1331 14466
      1331 14465 1332 14465 1332 14466 1333 14465
      1334 14463 1335 14464 1340 14466 1340 14467
      1342 14465 1342 14464 1343 14464 1344 14462
      1326 14467 1345 14467 1339 14466 1330 14465

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...0.5-1.5 INCHES IN 1 HOUR

$$

PD