The National Weather Service (NWS) – Guam Weather Forecast Office, continue to monitor Tropical Storm Cimaron as it moves northwest. Tropical Storm Cimaron continues to strengthen this morning, with maximum sustained winds of 70 mph. It is forecasted to pass just north of Agrihan Island early Tuesday morning.
The tropical storm watch for Saipan and Tinian has been upgraded to a tropical storm warning. Tropical storm force winds are expected at Saipan and Tinian this afternoon.
A typhoon warning remains in effect for Agrihan, Pagan, and Alamagan, Northern Mariana Islands. Destructive winds of 74 mph or more are expected for the Northern Mariana Islands Monday afternoon or evening.
For Guam and Rota, a large rain band will bring rain, locally heavy showers and isolated thunderstorms for much of the day. Wet and windy conditions are expected to continue through Tuesday.
The Department of Public Works has been proactive in working with the village Mayors, especially in the southern villages to clear any areas prone to flooding.
A flash flood watch remains in effect through Tuesday evening for Guam, Rota, Tinian, and Saipan. Heavy rain will continue over the islands, with expected rainfall of 4 to 8 inches, with locally heavier amounts.
Those living in areas prone to flooding should be prepared to take action. The following are basic flood safety tips to keep in mind:
- Clear drainage areas and un-block clogged storm drains around your property.
- Avoid walking or driving through flood waters.
- Just 6 inches of moving water can knock you down, and 2 feet of water can sweep your vehicle away.
- If there is a chance of flash flooding, move immediately to higher ground. o If floodwaters rise around your car but the water is not moving, abandon the car and move to higher ground. Do not leave the car and enter moving water.
- Avoid camping or parking along streams, rivers, and creeks during heavy rainfall. These areas can flood quickly and with little warning.
A small craft advisory remains in effect for Guam and Rota coastal waters until 10 p.m. Tuesday. Winds of 19 to 29 mph with gusts to 34 mph and waves of 7 to 11 are expected, causing conditions that are hazardous to small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid sailing in these conditions.
A high surf advisory and high risk of rip currents is in effect until 6 a.m. Wednesday for Guam, Rota, Tinian, and Saipan. Surf will increase from 7 to 9 feet to between 9 and 11 feet by tonight along west facing reefs, producing localized beach erosion and dangerous swimming conditions. There is a high risk of rip currents. If caught in a rip current, remain calm and yell for help. If swimming out of a rip current, swim parallel to shore and back toward the beach when possible. Do not attempt to swim directly against a rip current.
The Offices of Guam Homeland Security and Civil Defense (GHS/OCD), out of an abundance of caution, advise the community to stay out of the waters until the hazardous conditions subside. If driving, be alert for poor visibilities and water covering the road. Seek shelter if lightning is seen or thunder is heard.
For more information, contact GHS/OCD Public Information Officer, Jenna G. Blas at (671) 489-2540 or via email at firstname.lastname@example.org