Type of front that is the leading edge of a mass of cooler air that is pushing the warmer air out of the way.

Occurs at night when cooler air over land moves onto the water and pushed warm air upward.

What causes a hurricane to get stronger?

Exist in the region between the equator and 30 degrees latitude, and they curve to the west in both directions.

Occurs when cooler air over water moves onto the land from the ocean and pushes warm, less dense air upward.

When weather conditions pose a threat to life and property. The bad weather IS coming.

Area near the equator where winds are very calm or don't move at all.

Type of system that occurs when air masses join, rise, and cool, forming clouds, rain, and stormy weather. It moves counter-clockwise.

The movement of air molecules from an area of high pressure to low pressure and is measured with an anemometer.

The front that develops when a cold front catches up with, and eventually overtakes, a warm front.

Hurricanes and tornadoes are categorized by what two things?

What is a tropical storm with winds that have reached a constant speed of at least 74 mph.

Can be found between 30 degrees and 60 degrees latitude, though these winds come from the northwest and south west. Earth's rotation causes them to curve to the east.

When weather conditions are possible to happen.