The National Weather Service (NWS), Weather Forecast Office Guam, has issued the following advisories:
A short term forecast has been issued for Guam and Guam coastal waters. Through 6:30 p.m., moderate to heavy showers and thunderstorms will drift southward over much of Guam and adjacent coastal waters. Rainfall amounts up to an inch and a half are possible. Occasional cloud-to- ground lightning and northeast gusts up to 35 mph are also expected. If outdoors, seek shelter if lightning is seen or thunder is heard. If driving, be alert for visibilities suddenly dropping to near zero, and watch for water covering the road.
A marine weather statement has been issued for Guam and Guam coastal waters. Strong thunderstorms with frequent lightning and heavy downpours are capable of producing winds of 34 mph. Mariners can expect gusty winds around 34 mph, locally higher waves, frequent lightning, and heavy downpours. Boaters should seek safe harbor immediately until these conditions pass. If lightning is occurring, stay below deck if possible and keep away from metal objects.
A thunderstorm warning is in effect for the Guam International Airport until 6:30 p.m. Thunderstorms are occurring within 5 nautical miles of the airport. Occasional gusts to 35 mph are possible with these thunderstorms.
A thunderstorm advisory is in effect for the Guam International Airport until 9 p.m. Thunderstorms are possible or occurring within 20 nautical miles of the airport.
The Offices of Guam Homeland Security and Civil Defense (GHS/OCD) remind residents and visitors to practice extreme caution if traveling in these conditions is necessary.
Visit the following links for the latest advisory information:
For more information, contact GHS/OCD Public Information Officer, Jenna G. Blas at (671) 489-2540 or via email at firstname.lastname@example.org.