000 WWGM80 PGUM 190702 AWWGUM GUZ001-190830- AIRPORT WEATHER WARNING FOR GUAM INTERNATIONAL AIRPORT NATIONAL WEATHER SERVICE TIYAN GUAM 500 PM CHST WED JUN 19 2013 A THUNDERSTORM ADVISORY IS IN EFFECT FOR GUAM INTERNATIONAL AIRPORT UNTIL 630 PM THIS EVENING. THUNDERSTORMS ARE POSSIBLE OR OCCURRING WITHIN 20 NAUTICAL MILES OF THE AIRPORT. EAST WINDS GUSTING TO 25 KTS ARE POSSIBLE WITH THE STRONGEST SHOWERS. BE AWARE AND TAKE PRECAUTIONS AS NECESSARY. $$ AYDLETT