Guam Moderate Special Weather Statement | Effective 08/18/2026 17:57

Headline: 
Special Weather Statement issued August 19 at 10:57AM ChST by NWS Tiyan GU
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
August 18, 2026 - 5:57pm
Expires: 
August 18, 2026 - 6:30pm
Description: 
At 1057 AM ChST, Doppler radar was tracking a strong thunderstorm 10 miles northeast of Andersen AFB, moving southwest at 40 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Dededo, Tamuning, Yigo, Mangilao, Chalan Pago-Ordot, Barrigada, Hagatna Heights, Andersen AFB, Mongmong-Toto-Maite, Sinajana and Asan.
Instruction: 
Monitor the weather situation closely and be alert for threatening weather conditions.
Area Description: 
Guam
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov