Tropical Storm Warning in Effect for Guam

Tropical Storm Warning in Effect for Guam

Guam remains in COR 4 but Precautionary Measures Should be Taken
At 2 p.m., the National Weather Service (NWS), Weather Forecast Office Guam, issued an updated advisory for Tropical Depression 10W, which is intensifying slowly. A tropical storm warning means tropical storm conditions, including damaging winds of 39 mph or more, are expected within 24 hours.
A tropical storm watch remains in effect for Rota, and is now in effect for Tinian and Saipan. A tropical storm watch means tropical storm conditions, including damaging winds of 39 mph or more, are possible within 24 hours.
At 1 p.m., the tropical depression was located 10.6 degrees north latitude and 145.7 east longitude, about 205 miles south-southeast of Guam and 310 miles south of Saipan, with maximum sustained winds of 30 mph. The tropical depression is forecast to gradually intensify today and tonight, becoming a tropical storm on Wednesday.
It is expected to pass about 70 miles southwest of Guam late Wednesday afternoon or evening. The closest point of approach is expected around 8 p.m. Wednesdayevening. Winds may increase to between 40 to 45 mph with gusts up to 50 mph in heavier showers. Rainfall amounts between 3 and 5 inches are possible, with a potential for flash flooding.
Guam remains in Condition of Readiness 4 at this time.
The Offices of Guam Homeland Security and Civil Defense (GHS/OCD) advise the community to take basic precautionary actions now. Residents and visitors are advised to:
·Stay up to date with the latest information. The storm track or intensity may change and advisories regarding flash flooding or high surf may be issued.
·Stay out of the waterfalls and rivers and avoid hiking on Wednesday, due to the potential for flash floods.
·Locate or prepare your emergency preparedness kits for your household.
·Clear loose debris around your yard and store any items that may become airborne with heavy wind.
·Gas your vehicles and get fuel for your generators.
·Stay up to date in the event there are changes with or updates to changes in Conditions of Readiness.
·Secure outdoor pets in a safe location either indoors or inside the garage.
GHS/OCD, working with the NWS, will continue to monitor the system and provide updates. Monitor the latest advisory information through the following sites:
·           NWS Website:
·           NWS Facebook:
·           GHS/OCD Website:
·           GHS/OCD Facebook:
For more information, contact GHS/OCD Public Information Officer, Jenna G. Blas at (671) 478-0208 or via email at


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June 2018 is Typhoon Preparedness Month