Mid-latitude cyclones occur as a result of which two clashing air masses?

_____________ a tropical cyclone in the North Atlantic and Northeast Pacific that has a maximum 1-minute sustained wind of 64 knots or greater.

How do meteorologists define a drought?

In tropical cyclones, the wind speeds and intensity increase as the central pressure decreases.

In the United States, warning agencies use a ______ – minute average wind speed to determine the intensity of a hurricane.

Climate normals are calculated using a ________ year average.

At what stage do tropical cyclones receive a name in the North Atlantic Ocean?

__________________ is a popular method of classifying climate regions which is based on the distribution of natural vegetation.

______________ is a measure of drought that uses precipitation, temperature, and available soil moisture.

When water changes state, it is called _______________.