Hurricanes
Thunderstorms & Lightning
Tornadoes
Winter Storms
Clouds
100

Tropical storms form near the ________?

Equator 

100

A rainstorm that includes lightning and thunder

Thunderstorm

100

What may form during a thunderstorm?

A tornado
100

Winter storms can happen when a _____ air mass moves south and meets a warm air mass moving north. 

Cold

100

A long thin cloud that covers a large area like a blanket

Stratus cloud

200

What happens when there is warm water and rising air?

Hurricanes form

200

After you see lightning, you count the seconds until you hear thunder and then divide by 5

The distance from you to a thunderstorm

200

A tornado is a rotating  ______-shaped cloud. 

Funnel

200

What is a snowstorm with winds blowing at 56 kilometers (35 miles) per hour?

A blizzard

200

A thin wispy cloud high in the atmosphere

Cirrus cloud

300

What happens when water is pushed toward the shore by force of winds?

Storm surge

300

Thunderstorms happen when _______, humid air rises. 

Warm

300

A tornado forms by ______ air moving up in a thunderhead. 

Warm

300

A _________ occurs when heavy snowfall combines with strong winds. Snow blows around. This makes it hard to see the ground. 

A whiteout

300

These types of clouds are usually a sign of fair weather

Cumulus clouds

400

When wind speed is over 119kilometers (74miles) per hour, a ________ storm becomes a hurricane. 

Tropical Storm

400

Static electricity builds up in thunderheads. __________ is the spark made when this electricity discharges. 

Lightning

400

What is the difference between a tornado and a funnel cloud?

A funnel cloud has not reached the ground, it becomes a tornado when the funnel cloud reaches the ground. 

400

When a warm front moves toward a cold air mass, the warm air usually pushes away the cold air. Sometimes in lower places, such as valleys, a thin layer of cold air stays behind. When rain falls through this cold air, it freezes. What is this called?

Ice Storms

400

The only cloud type with vertical development that can form in all three levels of the atmosphere

Cumulonimbus

500

A hurricane is a large, rotating storm with low pressure at its center. From space a hurricane looks like a spiral of clouds with a hole in the middle. That hole is called the ____?

Eye

500

Lightning releases a lot of heat into the air. The air expands quickly. ________ is the sound of this quickly expanding air. 

Thunder

500

Where is the most dangerous places for tornados in the United States?

Central or mid-western part of the U.S.

500

What temperature does it have to be in order for rain to freeze?

At or below 32 degrees Fahrenheit. 

500

A cloud that brings thunderstorms, intense rain and possible tornadoes

Cumulonimbus clouds