Aviation Weather Warning

508 
WWGM80 PGUM 130334
AWWGUM
GUZ001-130730-
AIRPORT WEATHER WARNING FOR GUAM INTERNATIONAL AIRPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
135 PM CHST TUE AUG 13 2013
A THUNDERSTORM ADVISORY IS IN EFFECT FOR GUAM INTERNATIONAL AIRPORT 
UNTIL 530 PM.
THUNDERSTORMS ARE POSSIBLE OR OCCURRING WITHIN 20 NAUTICAL MILES OF 
THE AIRPORT. BEST CHANCES FOR THUNDERSTORMS WILL BE TO THE WEST OF 
GUAM. BE AWARE AND TAKE PRECAUTIONS AS NECESSARY.
$$
MCELROY