Sasebo, Iwakuni, Chinhae enter states of typhoon readiness; Okinawa remains in TCCOR 1-C, still expecting 52-mph sustained winds, 74-mph gusts Sunday morning. (Joint Typhoon Warning Center)
12:40 a.m. Sunday, Sept. 4, Japan time: Here is the latest wind-forecast timeline from Kadena Air Base’s 18th Wing Weather Flight for Typhoon Hinnamnor. U.S. bases on Okinawa remain in Tropical Cyclone Condition of Readiness 1-C. Between 5 to 7 inches of rain associated with Hinnamnor are forecast:
-- Onset of 40-mph sustained winds: Occurring
-- Onset of 74-mph gusts: 3 a.m. Sunday (meets criteria for upgrade to TCCOR 1-E)
-- Peak 46-mph sustained winds, 69-mph gusts for Kadena; 52-mph sustained winds and 74-mph gusts in southern Okinawa: 10 a.m. Sunday.
-- Gusts of 69 mph subsiding: 3 p.m. Sunday.
-- Winds subsiding below 40-mph sustained: 6 a.m. Monday.
Gusts subsiding below 69 mph is now forecast for 3 p.m. Sunday, six hours earlier than previously reported. Highest winds observed earlier Saturday were 32-mph sustained and 50-mph gusts at Kadena and 42-mph sustained with 52-mph gusts at Naha.
Hinnamnor is forecast to pass 212 miles west of Kadena at about 9 a.m. Sunday, packing 110-mph sustained winds and 127-mph gusts at center.
Midnight Saturday, Sept. 3, Japan time: Quite a bit of activity on the TCCOR scoreboard as we bid farewell to the old week and hello to the new. Here’s the rundown as of midnight:
-- Marine Corps Air Station Iwakuni is in Tropical Cyclone Condition of Readiness 3. Destructive winds of 58 mph or greater are possible within 48 hours. Hinnamnor is forecast to pass 175 miles northwest of Iwakuni at 11 a.m. Tuesday, packing 75-mph sustained winds and 92-mph gusts at center.
-- Chinhae Naval Base on Korea’s south coast has entered TCCOR 4. Destructive winds of 58 mph or greater are possible within 72 hours. Hinnamnor is forecast to pass 30 miles east of Chinhae at 9 a.m. Tuesday, packing Category 1-equivalent force. Upgrade to TCCOR 3 is expected sometime Sunday. All hands are being told to shelter in place no later than noon Monday.
-- Sasebo Naval Base in southwestern Kyushu remains in TCCOR 4. Hinnamnor is forecast to pass 98 miles northwest of Sasebo at about 6 a.m. Tuesday.
-- And U.S. bases on Okinawa remain in TCCOR 1-C (caution), with sustained 40- to 57-mph winds occurring at one or more bases on island. Upgrade to TCCOR 1-E is possible soon; forecast calls for 69-mph gusts, which meet the criteria for such an upgrade, to begin at about 3 a.m. Sunday.
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