The moisture equilibrium chart can be used to determine the（）.

In the Northern Hemisphere，the right half of the storm is known as the dangerous semicircle because（）.

Steady precipitation is typical of（）．

Monsoons are characterized by（）.

Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.

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

Which condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.

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 Southern Hemisphere winds in a low pressure system rotate in a（）.

In the Northern Hemisphere a wind is said to veer when the wind（）.