Super Typhoon Sinlaku could reach U.S. islands in the Western Pacific

Super Typhoon Sinlaku strengthened into the strongest storm this year and is forecast to approach the Northern Mariana Islands, with typhoon warnings in effect for Rota, Tinian and Saipan.

Super Typhoon Sinlaku intensified into the most powerful storm recorded this year and is moving toward U.S.-held islands in the Western Pacific. The system has been reported with very high sustained winds and strong gusts. The Northern Mariana Islands named in forecasts include Rota, Tinian and Saipan, where roughly 50,000 people live. Local offices and transportation services have announced closures and cancellations ahead of the storm. Known details: - Officials reported Sinlaku reached sustained winds near 180 mph with gusts up to 220 mph as it strengthened. - Typhoon warnings are in effect for Rota, Tinian and Saipan, and Guam is under a tropical storm warning. - Forecast guidance shows the storm likely near peak intensity now and projects sustained winds of about 155 to 160 mph when it reaches the Marianas late Monday into Tuesday. - The National Weather Service forecasts heavy rainfall totals, with 15 to 20 inches possible for Guam and Rota and 8 to 15 inches for Tinian and Saipan. Summary: The approaching typhoon is expected to bring very strong winds and heavy rainfall to the Northern Mariana Islands, affecting communities across Rota, Tinian and Saipan. Undetermined at this time.