Joint Information Center – JIC Release No. 15

May 23, 2023, 1 p.m. (ChST)

Guam in COR 1; Remain Indoors

Guam in COR 1:

Governor Lou Leon Guerrero placed Guam in Condition of Readiness (COR) 1 at 1 p.m., today, May 23, 2023. At COR1, destructive winds are possible within the next 12 hours.

The community is advised to remain indoors until COR 4 is announced. All residents in low lying, flood-prone and coastal areas, especially in the southern villages of Inalåhan, Ipan, Talo’fo’fo, Malesso’, Hågat and Humåtak, are ordered to evacuate and seek shelter in private residences or designated government shelters in higher elevation no later than 6:00 p.m., on May 23, 2023.

Simultaneously, Joint Region Marianas (JRM), Naval Base Guam (NBG), Andersen Air Force Base (AAFB), and Marine Corps Base Camp Blaz (MCBCB) are also in Tropical Cyclone Condition of Readiness (TCCOR) 1 at 1 p.m., Tuesday, May 23, 2023. All Andersen gates are now closed. All Navy Base Guam gates will be closed at 10 p.m. on Tuesday, May 23. The time for gate closure is subject to change based on weather conditions. For installation-specific operations or questions, please consult the respective installation Facebook page or reach out to the Public Affairs Officer.

What to Expect:

On its current track, the system is expected to bring tropical storm force winds to Guam by this evening, with the possibility of typhoon force winds of 81 – 110 mph by Wednesday morning. Rainfall amounts of 8 to 15 inches are possible with locally higher amounts. A slowing forward speed could lead to much higher rainfall totals.