When people decided that Drought was determined in the US as less than 2.5 mm of precipitation in 48 hours
What is locally-specific criteria
100
The calm center of a hurricane
What is the eye
100
Tornado formation begins with the development of one of these
What is a mesocyclone
100
The type of cloud you see when thunderstorms happen.
What are cumulonimbus clouds
100
A combination of wind and blowing snow resulting in low visibility. It is a lot stronger than a snowstorm and can sometimes happen when it is not snowing, as the wind picks up snow from other areas.
What is a blizzard
200
A protracted period of deficient precipitation resulting in extensive damage to crops, resulting in loss of yield
What is drought
200
Hurricanes that strike the Caribbean, Gulf of Mexico and the US originate here
What is Africa
200
Most of the intense tornadoes are associated with these.
What are supercells
200
Created by friction between the rising updraft and the falling downdraft in a cumulonimbus cloud
What is lightning
200
Blizzards most commonly form in these areas
What are the US, Canada and Russia
300
Standardized Precipitation Index, Palmer Drought Severity Index and Palmer Crop Moisture Index
What are drought indicators
300
The low pressure systems that blow out over the waters of the Atlantic Ocean begin as this
What is a tropical depression
300
Violent windstorms that take the form of a rotating column of air, or vortex, that extends downward from a cumulonimbus cloud
What is a tornado
300
The cumulus stage, the mature stage and the dissipation stage
What are the stages of thunderstorm formation
300
These happen when it sleets, hails, or snows
What is a blizzard
400
Loss of income, social dislocation, and famine/malnutrition/death are examples of these
What are direct damages
400
Hurricanes that develop in the Pacific Ocean
What is a Typhoon
400
Responsible for most of the narrow, short waves of extreme damage that sometimes are through tornado tracks.
What are suction vortices
400
It can fall very quickly toward the surface producing strong wind
What is downdraft
400
When a person says there is a possibility of a storm taking effect it is called this
What is a winter storm watch
500
Deep plowing and wheat monoculture destroyed soil structure and increased soil erosion potential led to this
What is the Dust Bowl
500
The most dangerous component of a hurricane is called this
What is a storm surge
500
These usually die out in less than a minute
What are multiple vortex tornadoes
500
Due to high temperatures, the air expands and contracts rapidly enough to break the sound barrier
What is Thunder
500
When there is freezing water covering everything and it comes in crazy weather when it is cold