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Basic Tropical Cyclone COR Definitions


Destructive winds possible within 96 hours.

Due to the geographical location of the CNRSE AOR, all commands are directed to maintain COR 5 as a minimum state of readiness from 01 JUN - 30 NOV. CNRSE will order COR 5 on 1 June of each year via AUTODIN/DMS message.


Destructive winds possible within 72 hours.

Commands within COR 4 commence tracking storm and warn all tenants under your cognizance.

Review destructive weather plans and commence planning for actions required in higher CORs to safeguard personnel and material (e.g., Hurricane Planning Conference for Aircraft Evacuation).

Continue general operations.

All commands take full precautionary measures to establish the next higher condition on short notice.


Destructive winds possible within 48 hours.

Take preliminary precautions in accordance with regional and local destructive weather plans.

All commands take full precautionary measures to establish the next higher condition on short notice.


Destructive winds anticipated within 24 hours.

All commands and activities execute local destructive weather directives.

All commands take full precautionary measures to establish the next higher condition on short notice.


Destructive winds are occurring or anticipated within 12 hours. Take all possible precautions to safeguard personnel and material


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