000 WWGM80 PGUM 110315 AWWGUM GUZ001-110500- AIRPORT WEATHER WARNING FOR GUAM INTERNATIONAL AIRPORT NATIONAL WEATHER SERVICE TIYAN GUAM 115 PM CHST SAT MAY 11 2013 A THUNDERSTORM ADVISORY IS IN EFFECT FOR GUAM INTERNATIONAL AIRPORT FROM 115 PM UNTIL 300 PM THIS AFTERNOON. THUNDERSTORMS ARE POSSIBLE WITHIN 20 NAUTICAL MILES OF THE AIRPORT. BE AWARE AND TAKE PRECAUTIONS AS NEEDED. $$ MGM