NOAA OPC Surface Analysis
Post-Tropical Hurricane Force Storm Lan will move rapidly northeast and transfer its energy to a developing storm low that will move towards the southwestern Bering Sea and western Aleutian islands.
This developing storm will deepen very rapidly to a dangerous 938 MB hurricane force storm creating winds of 55 to 75 knots and seas building 36-56 feet (11-17 meters) within 360 NM SE and 420 NM SW of the center within 24-36 hours. This system will create a dangerous situation for ship traffic steaming along northern routes.
Learn more about the winter hurricanes
NOAA OPC Wave Height Forecast
NOAA OPC Forecast 0000UTC 25 October 2017
