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20 Jul 2024 | 03:20 AM UTC

Philippine Sea: Tropical Depression 5 forms and is tracking northwestward in Philippine Sea toward Okinawa Prefecture early July 20

TD 5 tracking northwestward in Philippine Sea early July 20; landfall over Miyako Island, Okinawa Prefecture, Japan likely late July 24.

Warning

Tropical Depression 5 has formed and is tracking northwestward over the Philippine Sea early July 20. As of 12:00 JST, the system's center of circulation was approximately 1,293 km (803 miles) south of Kadena Airbase, Japan.

Forecast models indicate that the storm will strengthen into a tropical storm as it tracks northwestward across the Philippine Sea through early July 22 before turning to track northward and strengthening into a typhoon through early July 24. The storm is forecast to make landfall as a typhoon over Japan's Miyako Island, Okinawa Prefecture, late July 24. Some uncertainty remains in the track and intensity forecast, and significant changes could occur in the coming days.

Sustained heavy rainfall could trigger flooding in low-lying areas and those with easily overwhelmed drainage systems. If weather conditions prove hazardous, localized evacuations, flash flooding, and landslides are possible.

Inclement weather could trigger localized business, transport, and utility disruptions and render some bridges or roadways impassable. Flight disruptions at regional airports and temporary port closures are also possible. Exposure to raw sewage and other hazardous materials mixed with floodwaters poses a serious health threat.

Activate contingency plans in areas where officials forecast typhoon or tropical storm conditions. Heed any evacuation orders that may be issued. Use extreme caution in low-lying coastal areas and near streams, creeks, and other waterways due to the potential for severe flooding and storm surge. Stockpile water, batteries, and other essentials in advance. Charge battery-powered devices when electricity is available; restrict the use of cellular phones to emergencies only. Power down mobile devices when not in use. Keep important documents and necessary medications in waterproof containers. Observe strict food and water precautions, as municipalities could issue boil water advisories following flooding events. Take precautions against insect- and waterborne diseases in the coming weeks.

Plan accordingly for protracted commercial, transport, and logistics disruptions in areas in the path of the storm, especially if vital infrastructure is damaged. Seek updated information on road conditions before driving or routing shipments through areas where flooding has occurred. Confirm flights before checking out of hotels or driving to the airport; clearing passenger backlogs may take several days in some locations.