Severe Storms

A blizzard that occurs when snow is now longer falling is called a ground blizzard.

• True

• False

A tornado is a tropical storm with winds speeds reaching more than 119 km/h

• True

• False

A rotating funnel-shaped cloud with winds that blow up to 500 km/h is called a tornado.

• True

• False

Lightning is the discharge of static electricity inside or between thunderclouds.

• True

• False

A tropical storm has rotating winds with a high pressure area at its center.

• True

• False

How does a tornado form?

• A levee or a dam failure, A sudden release of water from an ice jam, A few minutes or hours of heavy rain

• Tornadoes form when a thunderstorm meets a horizontal winds at a high altitude. These winds cause the warm air rising in the thunderstorm to spin

• Tornadoes form when air cools and rises, water vapor condenses, heat is released and allows tornadoes to grow

• they begin as a group of thunderstorms and then by the equator they turn into a violent low-pressure storm

A ________________ is an intense storm with strong winds, heavy rain, lightning, and thunder.

• tornado

• hurricane

• thunderstorm

A _____________ is a large, rotating low-pressure system that forms over the warm waters of oceans near the equator.

• tornado

• hurricane

• thunderstorm

• flooding

Most hurricanes

• cannot be seen from space

• cross exposed land

• become dangerous category 5 storms

• lose their power when they move into cooler waters or moves over land

Thunderstorm clouds are known as _____.

• cirrus clouds

• stratus clouds

• cumulonimbus clouds

• cumulus clouds