The navigable semicircle of a hurricane in the Northern Hemisphere is that area of the storm measured __________.

Correct Answer: Option B — from the direction of the storm's movement counterclockwise 180°

According to standard storm avoidance procedures in Bowditch, the navigable semicircle in the Northern Hemisphere encompasses the area measured counterclockwise 180 degrees from the direction of the storm's forward movement, located on the port side of the track.