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Even as Tropical Storm Banyan weakened Monday, U.S. Forces Japan declared Tropical Cyclone Condition of Readiness 3 for Kanto Plain installations, meaning winds of at least 50 knots (about 58 mph) were forecast for the area within 48 hours.

Banyan was expected to hit the Tokyo area at approximately 3 a.m. Tuesday, said Marine Maj. James Bell, a USFJ spokesman.

The TCCOR level applies to Yokota Air Base, Naval Air Facility Atsugi, Camp Fuji and Camp Zama, Bell said. Aircraft assigned to Yokota’s 374th Air Wing were to be secured in base hangars or evacuated to other Pacific U.S. military facilities, Bell said.

Also, Yokota’s operational readiness exercise was finished early so the base could prepare for the weather, said Capt. Warren Comer, 374th Airlift Wing spokesman.

According to the Joint Typhoon Warning Center in Hawaii, Tropical Storm Banyan’s closest point of approach to Yokota was to be about 10.4 miles, to Camp Zama and Atsugi about 21 miles, and to Camp Fuji about 29 miles.

TCCOR 3 is declared when destructive-force winds of 50 knots or greater are expected within 48 hours. Personnel are advised to fuel vehicles, stock canned goods and store drinking water and cooking utensils. Buildings should be secured by closing typhoon shutters or boarding up windows.

Preparations were under way at Kanto Plain bases, Bell said, including “battening down critical facilities and securing or moving items inside that could become projectiles around buildings and homes.”

Base officials encouraged residents to ensure they have severe weather survival kits and “to track the storm by staying tuned to television and radio stations,” Bell said.

The Joint Typhoon Warning Center maintains a Web site tracking storm conditions and showing satellite imagery at: https://metoc.npmoc.navy.mil/jtwc.html.

Tropical cyclone conditions of readiness

TCCOR conditions are established to allow bases to take appropriate actions to warn, secure and protect property, resources and personnel.

TCCOR Four

Destructive winds of 58 miles per hour or greater are possible within 72 hours.

TCCOR Three

Destructive winds of 58 miles per hour or greater are possible in the area within 48 hours.

TCCOR Two — Modified

Non-destructive winds of less than 58 miles per hour are anticipated within 24 hours.

TCCOR Two

Destructive winds of 58 miles per hour or greater are anticipated within 24 hours.

TCCOR One — Modified

Non-destructive winds of less than 58 miles per hour are anticipated within 12 hours.

TCCOR One

Destructive winds of 58 miles per hour or greater are anticipated within 12 hours.

Source: Naval Pacific Meteorology and Oceanography detachment, Sasebo, Japan


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