Flood Watch
Guam; Rota; Tinian; Saipan
FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT
What: Flash flooding caused by excessive rainfall continues to be possible. Where: Guam and Rota, Saipan and Tinian. When: Through late tonight. 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. Storm drains and ditches may become clogged with debris. Addtional Details: – A monsoon disturbance, known as JTWC’s Invest 97W, is consolidating well northwest of Guam and is currently under a Tropical Formation Alert. This will allow the monsoon surge to continue to bring high chance of flash flooding across the Marianas through tonight. – http://www.weather.gov/safety/flood
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
High Surf Advisory
Guam; Rota; Tinian; Saipan
HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM TUESDAY
What: Large breaking waves of 9 to 12 feet in the surf zone. Where: South and west facing reefs of the Marianas. When: Until 6 PM Tuesday. Impacts: Dangerous swimming and surfing conditions and localized beach erosion.
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
High Wind Warning
Guam; Rota; Tinian; Saipan
HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM TUESDAY
What: South winds 25 to 40 mph with gusts up to 55 mph. Where: Guam, Rota, Tinian and Saipan. When: Until 6 AM Tuesday. Impacts: Damaging winds will blow down tarps and canopies. Some localized power outages are possible. Travel will be difficult, especially for high profile vehicles. Addtional Details: A monsoon surge induced by nearby Invest 97W is producing damaging winds across the Marianas. 97W is currently the subject of a Tropical Cyclone Formation Alert. There is a chance for a Wind Advisory to be issued after conditions fall below Warning levels Tuesday, if conditions warrant. Higher elevations of Saipan and southern Guam will continue to see the most intense winds through tonight.
People should avoid being outside during these winds. If possible, remain in the lower levels of your home during the winds, and avoid windows. Use caution if you must drive.
