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TCCOR 4: Destructive winds of 50 knots or greater are possible within 72 hours. TCCOR 4 will be continuously in effect as a minimum condition of readiness from 1 June to 30 November annually.
TCCOR 3: Destructive winds of 50 knots or greater are possible within 48 hours.
TCCOR 2: Destructive winds of 50 knots or greater are anticipated within 24 hours.
TCCOR 1: Destructive winds of 50 knots or greater are anticipated within 12 hours.
TCCOR 1 Caution: Destructive winds of 50 knots or greater are anticipated within 12 hours. Actual winds are 34-49 knots.
TCCOR 1 Emergency: Actual winds of 50 knots or greater.
TCCOR 1 Recovery: Destructive winds of 50 knots are no longer occurring. Actual winds are 34-49 knots.
Storm Watch: The winds are not forecast to exceed 50 knots sustained (the
criteria for "destructive winds") but still exists a probability of high
winds due to the proximity of the storm. High winds may include gusts
exceeding 50 knots and/or sustained winds meeting TCCOR 1 Caution
criteria. The storm is also close enough to the area that a heightened
alert status is necessary in order to rapidly establish elevated TCCOR
conditions should the storm deviate from the forecast track. Personnel
should follow Standard Operating Procedures for TCCOR Storm Watch and
stay alert for any changes to TCCOR status. In some instances, it may be
necessary to return to TCCOR Storm Watch from another TCCOR level if
the storm is not currently forecast to impact the area, but is in close
enough proximity that should it change course, it could likely impact
All Clear: Hazardous conditions and winds are no longer present. Return to normal duties. All Clear is announced when all hazards have been cleared.
NOTE: The wind speeds shown above for each TCCOR serve as a guide for decision making. The final decision on TCCOR declaration rests with the Commander, 18th Wing based on wind speed, weather forecast, safety and operational and mission concerns.
Source: USFJ Instruction 15-4001 and 18th Wing Comprehensive Emergency Management Plan 10-2