405 
WGMY50 PGUM 051610
FFWGUM
GUC010-MPC100-052215-
/O.NEW.PGUM.FF.W.0018.260705T1610Z-260705T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tiyan GU
210 AM ChST Mon Jul 6 2026

The National Weather Service in Tiyan has issued a

* Flash Flood Warning for...
  Guam...
  Rota...

* Until 815 AM ChST Monday.

* At 210 AM ChST, Doppler radar indicated heavy rain across the
  warned area. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Radar indicated.

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

* Some locations that will experience flash 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, Umatac,
  Sinapalo and Songsong.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 1353 14478 1416 14512 1422 14522 1421 14529
      1420 14530 1414 14529 1409 14521 1409 14512
      1368 14487 1359 14497 1351 14494 1341 14481
      1327 14479 1323 14476 1321 14464 1327 14465
      1333 14461 1340 14463 1346 14460

FLASH FLOOD...RADAR INDICATED

$$

EM