


Flash Flood Watch
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
140 WGMY60 PGUM 141806 FFAGUM Flood Watch National Weather Service Tiyan GU 406 AM ChST Wed Oct 15 2025 GUZ001-MPZ001-150215- /O.CON.PGUM.FA.A.0003.000000T0000Z-251015T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Guam-Rota- 406 AM ChST Wed Oct 15 2025 ...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Guam and Rota. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flash flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - An unsettled pattern caused by a passing tropical disturbance, Invest 96W, is likely to produce heavy showers and thunderstorms, some of which could result in localized flash flooding, particularly in central or southern Guam through tonight. Rainfall of 3 to 5 inches is possible over Guam and Rota through early Thursday morning. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ WBA