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Ch 13 storm review
Terms in this set (40)
What are the three things you need to form a thunderstorm?
Moisture, lift mechanism, latent heat
There are two main types of thunderstorms that are differentiated By their lift mechanisms explain what causes lift in both types.
Air mass thunderstorms happen because of convection in the middle of that one air mass. Frontal is a steep front that forces warm air up quickly.
What time of day are air mass thunderstorms most likely to occur? Why?
Mid to late afternoon because of unequal surface heating within the Airmans
What type of front are the most severe thunderstorms associated with? Why?
Cold fronts because they produce severe weather events
What are the three signs you are experiencing a severe thunderstorm instead of just a minor thunderstorm?
Winds 50 mph more, hail .75 inches or more, tornadoes present
What are the three hazards of a severe thunderstorm?
Lightning, flash floods, tornadoes
Explain lightning and thunder
Electricity caused by a rapid rush of air in a cumulonimbus cloud due to friction between updrafts and downdrafts thunder happens due to rapid expansion followed by immediate contraction of air
Win-win speed and direction change suddenly
Explain Large hail
Frozen water droplets get caught by updrafts then our tossed back up over and over until they are too big and fall to the ground
If outside, what should you do to minimize your risk of being struck by lightning?
Crouch into a ball with your feet together and put your head between your legs. This decreases the chance of the electricity flowing through your body.
First stage of a thunderstorm
Cumulus, the cloud is a growing cumulonimbusThe direction of air goes up and no precipitation is present
Second stage of a thunderstorm
Mature stage, big cumulonimbus cloud, air moves up and down, rain and hail present
Third stage of a thunderstorm
Dissipation stage, disappearing cumulonimbus, air moves down, light rain
During what season do most tornadoes occur? Why?
Spring. when cold air masses collide with warm air masses
Where is tornado alley? List five states that are in the alley.
Texas, Oklahoma, Kansas, Colorado, Nebraska.
What is the difference between a funnel cloud and a tornado?
Tornadoes come in contact with the ground and funnel clouds only stay above it never make contact.
What time of day do you most tornadoes occur?
What scale is used to classify tornadoes? How and when does the scale rate tornadoes?
Fujita tornado intensity scale. Measured after by speed and damage
What hurricanes called in the Indian Ocean?
What are they called in the Pacific ocean?
What are they called in the Atlantic Ocean?
What sides of the continents are most often hit by hurricanes?
Why is that side of the continent hit most often?
Wind moves from west to east
What months are hurricanes most likely to hit the US? Why?
Late summer too early fall because it is warm and moist
What two things does a hurricane need to form?
Warm ocean water, lift mechanism
Where do you hurricanes form?
Warm ocean water
List two different locations on earth that hurricanes are not likely to form and explain why
The poles because it is not warm, land because there is no water, rivers or lakes because there is not enough water
What are the three hazards present during a hurricane?
Storm surge, wind damage, flash flooding
What causes the most destruction during hurricane
List the four stages of hurricane development in order
Tropical disturbance, tropical depression, tropical storm, hurricane
What is the difference between a tropical depression and a tropical storm?
Tropical depression is a rotating and a storm has wind up to 40 mph and is rotating
List two things that determine if a low-pressure system is classified as a tropical storm or hurricane?
Windspeed, whether the eye has formed yet
Where are the winds of a hurricane the strongest?
Where are the winds of a hurricane the calmest?
How are windspeed and air pressure related in a hurricane?
If wind goes up air pressure goes down
If given a map of a hurricane, what location would result in the hurricane losing strength and weakening? Why?
When Over land it loses its water supply
If given a map of the hurricane path what locations would result in the hurricane gaining strength why?
Water by the equator and has lots of water and heat
What is a flood called, what is the cause, and what is the damage?
Reoccurring weather, they happen when storms hang around, the damage is that they cover Roads
What is a drought, what's it's cause, what's it's damage?
Reoccurring weather, lack of rainfall, dryland and no rain for vegetation
What is a heatwave and cold wave, what is the cause, what is the damage?
Reoccurring weather, extended period of non normal temperatures and frostbite or heat stroke
Recommended textbook explanations
Prentice Hall Brief Review The Living Environment 2019
John Bartsch, Mary P Colvard
Holt Environmental Science
Principles of Environmental Science
Mary Cunningham, William Cunningham
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Geography: Air Pressure and Winds
Unit 11: Atmospheric Moisture and the Water Balance
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