USCG severe weather procedures for Aleutian Islands area
The US Coast Guard issued 2010-2011 Operating Procedures for Severe Weather in the Aleutian Islands and Pribilof Islands. These procedures automatically go into effect whenever severe weather occurs or is forecast to occur within 48 hours. Severe weather is defined as: (1) sustained winds that exceed 45 knots; (2) wind gusts that exceed 60 knots; (3) a “winter storm warning” issued by the National Weather Service; or (4) any combination of the above for any part of the Aleutian or Pribilof Islands.
Source: US Coast Guard