


Flash Flood Watch
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
991 WGMY60 PGUM 140812 FFAGUM Flood Watch National Weather Service Tiyan GU 612 PM ChST Tue Oct 14 2025 GUZ001-MPZ001-150815- /O.CON.PGUM.FA.A.0003.000000T0000Z-251015T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Guam-Rota- 612 PM ChST Tue Oct 14 2025 ...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE WEDNESDAY NIGHT... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Guam and Rota. * WHEN...Through late Wednesday night. * IMPACTS...Excessive runoff may result in 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... - A generally unsettled pattern caused by nearby tropical disturbance Invest 96W embedded within an east-west oriented trough, is likely to produce heavy showers and thunderstorms to bring localized flash flooding risk to the region for at least the next few days. Rainfall potential of 3 to 5 inches is possible over Guam and Rota over the next 48 hours. This feature is expected to exit the region before the weekend, to then intensify in the open waters of the Philippine Sea as it heads towards Luzon during the weekend. - 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. && $$ JS