In the Northern Hemisphere，if your vessel is in a hurricane’s navigable semicircle it should be positioned with the wind on the（）.

In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.

Steady precipitation is typical of（）．

Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.

Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.

When a tornado moves over the water from land it is called a（）.

Monsoons are characterized by（）.

In the Northern Hemisphere，an observer at point II in the weather system should experience a wind shift from the（）.

Which type of precipitation is a product of the violent convection found in thunderstorms（）.

In the relatively calm area near the hurricane center，the seas are（）.