1. What influence does the Coriolis force have on pressure gradient wind direction in the Northern Hemisphere?

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1 1. What influence does the Coriolis force have on pressure gradient wind direction in the Northern Hemisphere? A. Pushes wind to the left B. Pushes wind to the right C. Pushes wind up D. Pushes wind backwards 2. The map below shows the location of a low pressure system on a day in November. What change in the weather conditions is most likely for central North Carolina? L A. Temperatures will be warmer than average with northeasterly winds B. Temperatures will be warmer than average with southwesterly winds C. Temperatures will be colder than average with northwesterly winds D. Temperatures will be colder than average with southeasterly winds 3. On a summer afternoon, cumulus clouds form over land at the coastline of the Atlantic Ocean. What weather process best explains this occurrence? A. Cold front B. Warm front C. Sea breeze D. Land breeze 1

2 4. Light drizzle and an increase in air temperature are most closely associated with which type of front? A. Occluded B. Stationary C. Cold D. Warm 5. What is the best course of action when a tornado watch has been issued? A. Drive around to look for tornadoes so you will know where they are located B. Stay alert to changes since conditions are favorable for tornadoes to form C. Take cover immediately since a tornado has been spotted D. Evacuate to the highest ground possible since floods are likely 6. What is the primary cause of wind? A. Differences in air pressure B. Cloud formation C. Falling precipitation D. Tree movement 7. What wind direction is most likely to bring cold, dry air to North Carolina? A. Northeast B. Northwest C. Southeast D. Southwest 8. What characteristic of the upper atmosphere could best be predicted from the presence of wispy cirrus clouds? A. Humidity B. Temperature C. Air pressure D. Wind direction 2

3 9. What process is most impacted by the release of heat during condensation? A. Generation of lightning B. Growth of cumulonimbus clouds C. Creation of fog D. Change in surface wind direction 10. Which component of the atmosphere is most variable on a daily basis? A. Argon B. Oxygen C. Water vapor D. Nitrogen 11. Paving a large parking lot would most greatly affect which part of the water cycle? A. Condensation B. Precipitation C. Surface runoff D. Evaporation 12. A weather station collects the following information over a 24 hour period. What event has most likely occurred in the area? A. High pressure system B. Cold front C. Warm front D. Hurricane Time of Day Air Pressure (inhg) Temperature ( o F) 12:00 am :00 am :00 am :00 pm :00 pm :00 pm

4 13. What action would most significantly improve the indoor air quality in a home? A. Using a quality air filter B. Keeping windows closed C. Spraying air freshener D. Dusting frequently 14. What causes jet streams to be stronger in the winter? A. Presence of snow at higher altitudes B. Larger temperature contrast between air masses C. Coriolis effect is greater during certain times of the year D. Reduced pressure differences allows faster winds 15. A winter storm warning has been issued for your area. What is the most important step to take next? A. Purchase a snow shovel and sidewalk salt B. Turn up the heat in your house C. Locate your gloves and boots D. Gather a supply of water and non-perishable food 16. What characteristics would result in the lowest air density? A. Hot and humid B. Hot and dry C. Cold and humid D. Cold and dry 17. What best explains how and why air pressure changes with altitude? A. Pressure increases with height since molecules are closer together due to increased gravity B. Pressure decreases with height since molecules are farther apart due to decreased gravity C. Pressure decreases with height since the temperature is increasing due to being closer to the sun D. Pressure increases with height since clouds are more abundant and absorb heat as water vapor condenses 4

5 18. What conditions are most favorable for the formation of thunderstorms? A. Cold air at the ground, warm air aloft and low humidity B. Warm air at the ground, cold air aloft and low humidity C. Cold air at the ground, warm air aloft and high humidity D. Warm air at the ground, cold air aloft and high humidity 19. Which two layers of the atmosphere experience a decrease in temperature with height? A. Thermosphere and stratosphere B. Stratosphere and mesosphere C. Mesosphere and troposphere D. Troposphere and thermosphere 20. What vertical air temperature conditions must be present for snow to fall? A. Below freezing in the clouds and above freezing near the ground B. Above freezing in the clouds and below freezing near the ground C. Below freezing from cloud to ground D. Above freezing from cloud to ground 21. What is the best cloud type to describe low-level, lumpy clouds that often have small breaks in them and produce weak intensity rain? A. Stratocumulous B. Cumulonimbus C. Altostratus D. Cirrostratus 5

6 22. According to the chart above, what is the wind chill temperature when the air temperature is 15 o F and the wind speed is 30 mph? A. -17 o F B. -5 o F C. 2 o F D. 19 o F 23. What process is most closely associated with cloud formation? A. Evaporation B. Sublimation C. Condensation D. Precipitation 6

7 24. Letters on the map are used to indicate general regions of the United States. W X Y Z Based on the general patterns of weather systems, what statement best predicts the movement of a storm system? A. A system located at Z will generally move toward W B. A system located at W will generally move toward Z C. A system located at Y will generally move toward X D. A system located at Y will generally move toward W What is the best description of the radar image shown? A. Particles of pollution from a factory B. Coastal nor easter generating blizzard conditions C. Supercell thunderstorm with hook echo D. Beginning stages of an Atlantic hurricane 7

8 ANSWER KEY Question Answer Standard 1 B 7.E B 7.E C 7.E D 7.E B 7.E A 7.E B 7.E D 7.E B 7.E C 7.E C 7.E B 7.E A 7.E B 7.E D 7.E A 7.E B 7.E D 7.E C 7.E C 7.E A 7.E B 7.E C 7.E B 7.E C 7.E.1.4 8

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