784 WGMY50 PGUM 060915 FFWGUM GUC010-061045- /O.NEW.PGUM.FF.W.0028.260906T0915Z-260906T1045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tiyan GU 715 PM ChST Sun Sep 6 2026 The National Weather Service in Tiyan has issued a * Flash Flood Warning for... Southwestern Guam... * Until 845 PM ChST. * At 715 PM ChST, Doppler radar indicated heavy showers, with the potential for thunderstorms, producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. 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 showers and possible thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways and streets, as well as other poor drainage and low-lying areas. 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. Report flooding to law enforcement. 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 1343 14460 1344 14462 1341 14465 1339 14466 1341 14466 1345 14462 1349 14470 1350 14475 1355 14479 1351 14480 1354 14480 1347 14490 1341 14481 1331 14479 1335 14463 1334 14463 1333 14465 1332 14465 1333 14461 1340 14463 FLASH FLOOD...RADAR INDICATED $$ KK