As of , Mangkhut was located 15.0 degrees north latitude and 149.9 degrees east longitude, about 280 miles east of Saipan and 360 miles east-northeast of Guam, with maximum sustained winds of 85 mph.
A typhoon warning remains in effect for Guam, Rota, Tinian, Saipan, and adjacent coastal waters in the Mariana Islands, meaning typhoon conditions, including destructive winds of 74 mph or more, are expected as early as afternoon.
Governor Calvo will be placing Guam in Condition of Readiness (COR) 1 at , Monday, September 10. COR 1 means that damaging winds of 39 mph are expected .
Based on the latest forecast, Typhoon Mangkhut is expected to pass near or north of Rota late afternoon as a Category 2 or low-end Category 3 intensity typhoon.
Guam can expect the following wind speeds:
· Damaging winds of 39 mph or more are expected as early as early as
· Destructive winds of 58 mph or more are expected by early as
· Closest Point of Approach is expected around
Damaging winds will last from early afternoon through early morning.
Remember, these are projections and the storm still has the ability to slow down, speed up, move farther south or even strengthen. Stay vigilant.
Dangerous Waves and Seas
Combined seas in excess of 30 feet are possible due to the expected high winds near the center. Stay out of the waters until COR 4 is announced.
Sirens and Emergency Alert System to be used
The All Hazards Emergency Alert System (AHAWS) siren systems and the Emergency Alert System (EAS) through television and radio will be used beginning at
The community can expect to hear voiced messaging over the AHAWS announcing COR 1 and the EAS message over television and radio announcing COR 1 for Guam beginning at
How Can I Stay Up to Date with the Joint Information Center?
The Joint Information Center is the Government of Guam, military and federal government’s clearinghouse for accurate information during emergencies. The following is a list of radio partners, where you can get updated information about Typhoon Mangkhut:
· KSTO 95.5 FM
· 102.9 KISH FM
· Isla 630 AM
· K57 AM
· I94 FM
· Power 98 FM
· Hit Radio 100
· Cool FM
· The BOSS 104.3
· Star 101.1
· 101.9 KTKB
· 105.1 KAT FM
· 99.5 The Shark
· KHMG 88.1 FM
· The Point 93.3
TV and Newspaper partners include:
• KUAM: kuam.com
• Pacific News Center: pacificnewscenter.com
• Guam Daily Post: postguam.com
• Pacific Daily News: guampdn.com
Visit the following links for the latest advisory information:
· NWS Website: http://www.prh.noaa.
· NWS Facebook: https://www.
· GHS/OCD Website: https://ghs.guam.gov/
· GHS/OCD Facebook: https://www.
· Joint Region Marianas Facebook: https://www.
· Governor Calvo Facebook: https://www.
For more information, contact the Joint Information Center at (671) 478-0208/09/10.