A small, funnel-shaped cloud that comes down from a storm cloud with winds spinning at very high speeds

The gas form of water

Meausres the amount of precipitation that has fallen in inches or centimeters

Clouds that are puffy with flat bottoms and signal fair weather when they are darker, they may signal rain or a stunderstorm

A severe storm with lightning, thunder, heavy rain, and strong winds.

Measures wind speed in kilometers or miles per hour.

The layer of the atmosphere closest to earth and where weather takes place

A large storm that forms over warm ocean water with very strong winds that blow in a circular pattern around the eye of the storm.

Measures wind direction

Clouds that are layered over a large area. As these clouds thicken precipitation can occur over the location of these clouds

Meausres air temperature in degrees celcius and fahrenheit.

How water changes form and cycles between Earth's surface and the air and back again.

A measure of the percentage of water vapor in the air