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Here is a list of Tropical Cyclone Conditions of Readiness stages and what they mean to U.S. military bases and personnel. Wind speeds shown serve as a decision-making guide.

Final decisions on TCCOR rest with base commanders, weather forecasts, safety, operational and mission concerns.

Follow progress, path, wind-speed and direction of tropical storms at www.usno.navy.mil/JTWC.

Base commanders’ access channels offer current weather forecasts and typhoon warnings and alerts.

TCCOR 4Destructive winds of 58 mph or greater are possible within 72 hours. Stock up on food and typhoon supplies. TCCOR 4 will continuously be in effect as a minimum condition of readiness from June 1 to Nov. 30 annually on Okinawa; TCCOR is in effect year-round on Guam.

TCCOR 3Destructive winds of 58 mph or greater are possible within 48 hours. Initiate a general cleanup around homes and offices.

TCCOR 2Destructive winds of 58 mph or greater are possible within 24 hours. Remove or secure all outside items.

TCCOR 1Destructive winds of 58 mph or greater are possible within 12 hours. No school for Department of Defense Education Activity students. Staff and teachers will work normal hours, unless changed by the school district superintendent. Fill any containers you can use for water storage. If living in low-lying quarters, make arrangements to stay with a friend. Make a final check of food and other supplies.

TCCOR 1C (caution)Destructive winds of 58 mph or greater are anticipated within 12 hours. Actual winds are between 39 and 56 mph. All nonessential personnel will be released to their quarters, DODDS schools will close and staff and teachers will return or remain home. Base exchange, shops, commissary, shoppettes, gas stations, services facilities, clubs, restaurants, recreational facilities and post offices will close. Movement about the base should be kept to a minimum. On Okinawa, security forces will enforce an “essential vehicles only” policy, in accordance with Kadena Air Base operations plan 32-1, “Base Disaster Operations Plan.” Other bases may use similar measures according to their tropical cyclone policies.

TCCOR 1E (emergency)Sustained destructive winds of 58 mph or greater are occurring. Outside activity is prohibited.

TCCOR 1R (recovery)Destructive winds of 58 mph or greater are no longer occurring. Actual winds are between 39 and 56 mph. Nonessential functions remain closed unless directed by the installation commander. All but emergency-essential personnel should remain in their quarters.

Storm WatchA typhoon is moving away, but the base is still experiencing some effects. Hazardous conditions may exist due to storm damage. In some cases, the storm could return, so remain alert. All military and civilian personnel will return to work within two hours or at normal duty hours, and commissaries and base exchanges will resume operations unless otherwise instructed by their installation commander.

All ClearHazardous conditions and winds are no longer present. Return to normal duties. All Clear is announced when all hazards have been cleared. DODDS teachers, staff and students will return to school during normal hours. From June 1 to Nov. 30, seasonal TCCOR 4 will resume.

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