390  
WWGM80 PGUM 301122  
AWWGUM  
GUZ001-301430-  
 
AIRPORT WEATHER WARNING FOR GUAM INTERNATIONAL AIRPORT  
NATIONAL WEATHER SERVICE TIYAN GU  
922 PM CHST MON JUN 30 2025  
 
A THUNDERSTORM ADVISORY IS IN EFFECT FOR THE GUAM INTERNATIONAL  
AIRPORT UNTIL 1230 AM TUESDAY MORNING. THUNDERSTORMS ARE OCCURRING  
WITHIN 20 NAUTICAL MILES OF THE AIRPORT.  
 
BE ALERT AND TAKE PRECAUTIONS AS REQUIRED. THESE STORMS HAVE BEEN  
PRODUCING FREQUENT LIGHTNING.  
 
 
 
WILLIAMS  
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