Science Chapter 20 Test Flashcards
(27 cards)
What is an incoming cold air mass that pushes existing warm air mass up
Cold front
Precipitation caused by an air mass going over a mountain
Organic lifting
When winds come together from opposite directions, and pushes one air mass up
Convergence
Which type of front does not move
Stationary
A cold and cool air mass trap warm air causing it to rise
Occluded air
Winter stir that brings snow from the Atlantic Ocean
Nor’easter
What do three of the four types of severe weather have in common
Cumulonimbus clouds
How can you tell how far away a thunderstorm is
Counting seconds between light and thunder and divide by 3 or 5
Which type of storm has the greatest wind speed
Tornado
What are some characteristics of tornadoes
Water spouts, up drafts, strong cold fronts
Which types of storms get named
Tropical storms, and hurricanes
What is the greatest danger of a thunderstorm
Lightning
What are huge waves produced by a hurricane
Storm swell (surge)
List the four types of severe storms
Winter storms, hurricanes, tornadoes, thunderstorms
List the two most destructive features of a tornado
Winds and up draft
What makes the power and wind speed of a hurricane slow down
Friction with the land; loss of warm humid air
What is a blast of cool air before a thunderstorm
Gust front
What is lightning
An electrical discharge
What two factors affect where a hurricane forms
Warm water; corelius effect
Do thunderstorms only develop in the summer
No
Are tornadoes more common and powerful in the US
Yes
Do tornadoes cause buildings to explode
No
Do hurricanes form over land
No
Are hurricanes called typhoons in the western pacific
Yes
