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Chapter 12-Weather
Study Guide
| Question | Answer |
|---|---|
| The amount of water vapor in the air relative to what that air could hold | realitive humidity |
| Air pressure is measured with a | barometer |
| Hurricanes form when | late summer warm tropical ocean water |
| What type of precipitation does NOT reach Earth in a frozen form | Rain |
| A cold front brings ____ to an area | Showers and thunderstorms |
| Air moves outward from a ____________ system | high pressure |
| A ____ tropical air mass has the greatest effect on weather in Florida | Maritime |
| Doppler radar IS OR IS NOT a weather variable | Not |
| Which weather variable is NOT directly related to air temperature | Wind Speed |
| Air moves _____ and ____ through a low pressure system | in up |
| A _____ polar air mass would have the greatest effect on weather in Alaska | Continental |
| ____ is the atmospheric condition, along with short-term changes, of a certain time. | Weather |
| Weather is most severe during a thunderstorm's ____ stage | Mature |
| The amount of water vapor in the air compared to the amount the air can hold is | Realitive humidity |
| A ____ front forms when warmer air moves toward colder, denser air | Warm |
| Data used to construct isobars would be measured with a | barometer |
| Frost forms when the ___ of air is below 0c | Dew point |
| Cooler air has ____ humidity than warmer air | Lower |
| ____ originates in snow clouds and falls to Earth as small as __ particles | Sleet Ice |
| When updrafts within a thunderstorm begin to rotate, a ___ can form | Tornado |
| ____ are used to collect data on upper atmospheric conditions and ____________ collect weather data closer to Earths surface | Radiosonde Weather Station |
| Weather- | is the atmospheric condition, along with short-term changes, of a certain time. |
| Humidity- | The amount of water vapor in the air |
| Air Pressure- | The force that a column of air applies on the air or a surface below it |
| Dew Point- | The temp at which air is saturated and condensation can occur |
| Describe how rain is related to the Water Cycle | Major variable of weather is rain from clouds to create water that goes through the water cycle |
| Explain briefly how computers are used to forecast weather | Computers collect analyse and process weather data that helps forecast the weather |
| Contrast low- pressure systems and high- pressure systems | Low- air rises as it moves up High-air sinks as it moves out |
| Contrast surface weather reports and upper-air reports | Surface-weather measures on Earths surface Upper air- reports above the surface |
| Explain why a desert would not normally experience fog | Desert is very dry and lack of water vapor to create fog |
| Relate air temp to the type of precipitation that will fall | temp above 0c-rain-not frozen temp below 0c- snow or sleet-frozen |
Created by:
Claireb15