Damaging Winds Expected this Evening; Take Action Today to Prepare

Damaging Winds Expected this Evening; Take Action Today to Prepare

At 7:24 a.m., the National Weather Service (NWS), Weather Forecast Office Guam, issued an updated advisory for Tropical Depression 10W. A tropical storm warning remains in effect for Guam, meaning tropical storm conditions, including damaging winds of 39 mph or more are expected tonight.
 
A tropical storm warning is now in effect for Rota, meaning damaging winds of 39 mph or more are expected within 24 hours.  A tropical storm watch remains in effect for Tinian and Saipan, meaning damaging winds of 39 mph or more, are possible within 24 to 36 hours.
 
Guam remains in Condition of Readiness 4 at this time but the movement of the tropical depression remains erratic and shows a lot of variability.  As of 8 a.m., Tropical Depression 10W was located 11.7 degrees north latitude and 146.2 east longitude, about 155 miles southeast of Guam and 240 miles south of Saipan.
 
Government of Guam maintains normal operations. Residents who are concerned that their homes may not be able to withstand tropical storm conditions can call the Offices of Guam Homeland Security and Civil Defense at (GHS/OCD) 478-0290. The GHS/OCD 24/7 Watch Office will coordinate non-emergency individual requests for assistance from village mayors, government of Guam, military, private, and non-profit organizations.
 
GPA Preparation 
Guam Power Authority crews are continuing their pre-storm inspections and line clearing, as high winds can blow vegetation into power lines. Please report power-related issues to GPA via its Facebook page or call its 24-hour Trouble Dispatch desk at 475-1472, 475-1473, or 475-1474.
 
Closest Point of Approach
The current forecast track now has Tropical Depression 10W passing south of Guam at midnight tonight, with damaging winds between 40 and 45 mph and gusts up to 50 mph in heavier showers at the closest point of approach. Rainfall amounts between 4 and 6 inches are possible, with a potential for flash flooding.
 
Conditions will start to deteriorate this afternoon.
 
Rains could worsen after Closest Point of Approach
Flash flood advisories are expected later today. Although the tropical depression is tracking through Wednesday night, the worst conditions are expected around 4 – 5 a.m. Thursday along the tail end as the tropical depression leaves the area.
 
Marine Conditions
As the wind and rains pick up through today, the community is advised to avoid outdoor or marine related activities. Mariners should make all necessary preparations to return to port, seek safe harbor and secure their craft. Dangerous rip currents are expected, along with 10 – 12 feet of open ocean and 8 – 10 feet of surf.
 
The Offices of Guam Homeland Security and Civil Defense (GHS/OCD) advise the community to use this morning and afternoon to prepare:
  • Take down or tightly secure canopies and clear loose debris around your yard. Store any items that may become airborne with heavy wind.
  • Stay up to date with the latest information. The storm track or intensity may change. Advisories regarding flash flooding or high surf may be issued.
  • Stay out of the waterfalls and rivers and avoid hiking on Wednesday, due to the potential for flash floods.
  • Locate or prepare your emergency preparedness kits for your household.
  • Gas your vehicles and get fuel for your generators.
  • Stay up to date in the event there are changes with or updates to changes in Conditions of Readiness.
  • Secure outdoor pets in a safe location either indoors or inside the garage.
 
GHS/OCD, working with the NWS, will continue to monitor the system and provide updates. Monitor the latest advisory information through the following sites:
  For more information, contact GHS/OCD Public Information Officer, Jenna G. Blas at (671) 489-2540 or via email at jenna.g.blas@ghs.guam.gov or contact the GHS/OCD watch desk at (671) 478-0290.
 
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