FlashKeepers

Weather and Climate · K-12

Storm Systems and Severe Weather

How thunderstorms, tornadoes, and hurricanes form, and the terminology used to categorize and track them, one concept per card.

37 cards · basic cards · AI-written, checked twice. Edit anything.

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What three ingredients are typically needed for a thunderstorm to form?
Moisture, rising unstable air, and a lifting mechanism
What is the term for the rotating column of air within a severe thunderstorm that can produce a tornado?
A mesocyclone
What violently rotating column of air, extending from a thunderstorm to the ground, is one of nature's most destructive local storms?
A tornado
What scale is used to rate tornado intensity based on the damage it causes?
The Enhanced Fujita (EF) Scale
What is the term for a large, rotating tropical storm system with sustained winds of 74 miles per hour or more, called a hurricane in the Atlantic?
A hurricane (tropical cyclone)
What is the calm, low-pressure center of a hurricane called?
The eye
What term describes the ring of intense thunderstorms surrounding a hurricane's eye, containing the storm's strongest winds?
The eyewall
What scale classifies hurricane intensity from category 1 to category 5 based on sustained wind speed?
The Saffir-Simpson Hurricane Wind Scale
What name is given to a tropical cyclone that forms in the western Pacific Ocean, equivalent to a hurricane in the Atlantic?
A typhoon
What name is given to a tropical cyclone that forms in the Indian Ocean or South Pacific, equivalent to a hurricane in the Atlantic?
A cyclone
What large, dangerous wall of ocean water, pushed ashore by a hurricane's winds and low pressure, causes much of a hurricane's damage?
Storm surge
What term describes the boundary where a cold air mass meets and replaces a warm air mass, often triggering severe weather?
A cold front
What term describes the boundary where a warm air mass advances and replaces a cold air mass?
A warm front
What weather warning is issued when conditions are favorable for tornado development but one has not yet been spotted?
A tornado watch
What weather warning is issued when a tornado has been spotted or indicated by radar?
A tornado warning

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