758 WGMY70 PGUM 171123 FFSGUM Flash Flood Statement National Weather Service Tiyan GU 923 PM ChST Sat Oct 17 2026 GUC010-171730- /O.CON.PGUM.FF.W.0036.000000T0000Z-261017T1730Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Guam- 923 PM ChST Sat Oct 17 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM CHST SUNDAY FOR GUAM... At 923 PM ChST, Doppler radar indicated heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Torrential rain will continue through the night. TY Champi is anticipated to bring 8 to 14 inches of rain as it passes. Flash flooding is ongoing or expected to begin shortly. 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... Guam 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. && LAT...LON 1344 14459 1346 14460 1348 14462 1350 14475 1353 14478 1366 14483 1368 14484 1368 14487 1363 14491 1362 14497 1359 14497 1351 14494 1341 14481 1327 14479 1323 14476 1321 14464 1324 14463 1327 14465 1333 14461 1340 14463 FLASH FLOOD...RADAR INDICATED $$ PB