Join the GHS/OCD Email List


Back to top

June 2018 is Typhoon Preparedness Month




GHS/OCD, NBG, and AAFB to Conduct Routine Testing of Advanced Warning Systems

The Offices of Guam Homeland Security and Civil Defense (GHS/OCD), U.S. Naval Base Guam (NBG), and Andersen Air Force Base (AAFB) will conduct routine testing of the vital communication and advance warning system sirens, respectively, on Tuesday, August 6, starting at 3:15 p.m.


GHS/OCD will test the All Hazards Alert Warning System (AHAWS) from seventeen (17) locations in conjunction with NBG and AAFB monthly routine testing of the “Giant Voice (GV).”


NWS Advisories in Effect for the Marianas

The National Weather Service (NWS), Guam Weather Forecast Office issued the following advisories for the Marianas:

A short term forecast is in effect for Guam and Guam coastal waters. Through 2 p.m., heavy showers and thunderstorms will move across portions of central and southern Guam and adjacent coastal waters. Areas affected include Hagatna and Agana Heights southward to Piti and Apra Harbor and farther to Umatac and Merizo. Up to an inch and a half of rain is possible with occasional lightning strikes.

Rainy Weather Expected Next Week

The National Weather Service (NWS), Weather Forecast Office Guam issued a hydrologic outlook for the Marianas.


A monsoon trough approaching from the south this weekend may bring substantial rainfall for the Marianas. Three to six inches of rain is expected between Tuesday and Thursday. Showers are expected as early as Sunday and Monday.

Community Urged to Refrain from Calling Back Unknown Phone Number

The Mariana Regional Fusion Center (MRFC) is closely monitoring reports of local telephone numbers receiving calls from unusual or unexpected numbers.


The phone numbers may begin in area code 881 or 882 and are seemingly “spoofed,” which means it is imitated or disguised to appear as a different number. 

The community is reminded to remain vigilant and continue to follow these tips: