343 WWGM80 PGUM 132322 AWWGUM GUZ001-140230- Aiport Weather Warning for Guam International Airport National Weather Service Tiyan GU 922 AM ChST Thu Nov 14 2024 A Thunderstorm Advisory is in effect for Guam International Airport until 1230 pm this afternoon. Thunderstorms are possible or occurring within 20 nautical miles of the airport. No lightning has been detected yet as of 925 am, but developing showers to the east are starting to show the potential for becoming thunderstorms. Be alert and take precautions as required. $$ Schank