Hurricanes
Blizzards
Thunderstorms
Tornadoes
Flooding
100
Over warm waters
Where do hurricanes occur?
100
In any northern state.
Where do blizzards typically occur?
100
A meteorologist.
Who predicts a thunderstorm?
100
The region east of the Rockies including the Great Plains where tornadoes most often occur.
Where is "Tornado Alley"?
100
Typically in river and coastal areas, but can happen anywhere.
Where does flooding occur?
200
June through September
When is hurricane season?
200
In the winter.
When do blizzards typically occur?
200
Because of the quick rise of warm moist air along a storm front.
Why does a thunderstorm occur?
200
Any time of year, but usually in the spring and summer.
When do tornadoes most often occur?
200
Most common in the spring, or anytime that the amount of water present is more than drainage can handle.
When does flooding occur?
300
Greater than or equal to 74 mph.
What is the minimum windspeed of a hurricane?
300
A severe snowstorm with wind speeds of 35 mph or more.
What is a blizzard?
300
Lightning accompanied by a thunderous sound.
What is a thunderstorm?
300
Dry, cold air from the north meeting warm moist air from the south.
What causes a tornado?
300
When there is an overflow of water.
What is flooding defined as?
400
Because they can destroy large amounts of property.
Why is a hurricane dangerous?
400
Because the jet stream of cold air dips south and clashes with warm air during the winter months.
Why does a blizzard happen?
400
Most often during the summer and spring.
When do thunderstorms typically occur?
400
Because it can destroy strong structures, even concrete.
Why are tornadoes dangerous?
400
Because of excess rain, snowmelt, dam breaks, unusually high tide, hurricanes.
Why does flooding occur?
500
The National Hurricane Center.
Who predicts a hurricane?
500
The National Weather Service.
Who defines a blizzard?
500
In western and southeastern US states, and along the Gulf Coast.
Where do thunderstorms typically occur in the US?
500
Meteorologists at the NOAA Storm Prediction Center.
Who can predict a tornado?
500
Meteorologists
Who can predict flooding?