Hurricanes
Tornadoes
Thunderstorms
Blizzards & Ice Storms
Droughts & Floods
100

how dose a hurricane work

When humid air is flowing upward at a zone of low pressure over warm ocean water,

100
This country has more tornadoes than any other.
What is the United States?
100
Lightning is generally this color.
What is clear/white or slightly yellow?
100
When raindrops hit ground that is 32 degrees or colder.
What is freezing rain?
100
Type of flood that occurs quickly (usually 6 hours or less).
What is flash flood?
200

what is a tornado?

A violently rotating column of air touching the ground, usually attached to the base of a thunderstorm.

200
Well established storm that has updrafts and downdrafts that are in near balance with each other and create the most powerful tornadoes.
What is a supercell thunderstorm?
200
Occurs when a cold front moves through an area, usually during spring & summer, and collides with a warm, humid air mass.
What is a thunderstorm?
200
Term that describes the measurement of cold temperatures combined with heavy winds.
What is wind chill?
200
Describes grains of sand or dust rising in the air from excessive heat and strong winds.
What is sand storm or dust storm?
300
Hurricanes rotate this direction in the Northern Hemisphere.
What is counter-clockwise?
300
The power of a tornado based on its wind speed is measured on this scale.
What is the Fujita Scale?
300
This is five times hotter than the surface of the sun.
What is lightning?
300
Term used for snow blowing in all directions that makes visibility difficult.
What is whiteout?
300
Caused by heavy rainstorms in the mountains.
What are landslides?
400

why do we go away from trees when lightning strikes

Trees are generally taller objects around them. So Lightning current will pass through trees into the earth. But trees are not very good conductors of electricity.

400
The rotating vortex of air within a tornado.
What is a mesocyclone?
400
Most common type of lightning.
What is intracloud?
400
Two tools that help meteorologists determine when a blizzard is coming and how bad it will be.
What is radar and satellite?
400
Name two types of droughts.
What is meteorological, agricultural, physiological, hydrological?
500

what is the wall get its name from

because oftentimes the eye is surrounded by a vertical wall of clouds.

500
Name four of the ten states that make up Tornado Alley.
What is Arkansas, Iowa, Kansas, Louisiana, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, or Texas?
500
Phenomenon where lightning opens up holes in the air particles as it makes it path to Earth.
What is a lightning channel?
500
It's not considered a blizzard unless it meets these three criteria.
What is 35+ mph winds, lasts at least 3hrs, visibility is less than 1/4 mile?
500
Known as the period of time in the 1930s where severe dust storms lasted nearly 10 years in the Southern Plains of the United States.
What is the Dust Bowl?
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