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Weather Forecasting and Climate Test (25.2, 25.4, 26) Name_________________________ MATCHING: A. Millibars C. Radiosonde E. Doppler radar B. Isotherms D. Weather satellites F. Station Model G. Isobars _____1. Lines connecting areas of equal pressure _____2. shows weather conditions at one specific location _____3. An apparatus carried by a weather balloon to collect data on the upper atmosphere _____4. Is used to track precipitation and tornados _____5. Carry cameras to take pictures of major storm systems such as hurricanes MULTIPLE CHOICE _____6. In the last 3 hours, the air pressure has been dropping. This may indicate that A. B. C. D. a front is approaching the storm front has passed temperature is constant Doppler radar is useless _____7. The air pressure was low and is now is rising. The temperature was warm and is now cooler. This may indicate A. B. C. D. a warm front has passed by a cold front has passed by a tropical maritime air mass has moved in a tropical continental air mass has moved in _____8. Isobars that are close together indicate areas of A. B. C. D. Strong winds Constant temperature High pressure Clear skies _____9. Isobars in close concentric circles of low pressure over the Gulf of Mexico represent A. B. C. D. A high pressure area A blizzard A hurricane Clear skies For questions 10 – 13 choose one of the following choices of storms. A choice may be used more than once. A. Blizzard B. Tornado C. Hurricane D. Thunderstorm _____10. There has been lightning and hail. The wall cloud is showing signs of a narrow swirling cloud reaching toward the ground. What kind of storm is about to occur? _____11. The temperature is 25 F. It is precipitating heavily. There are strong winds blowing. What kind of storm is occurring? _____12. A storm of many cumulonimbus clouds formed over tropical ocean waters. It has reached land with winds of 100mph and has dropped 5 inches of rain in the last 2 hours. What kind of storm is passing through? _____13. Which storm is the shortest lived and has the highest wind speeds? _____14. The release of static charge in a cloud heats the surrounding air so rapidly that it produces a low noise. What is the release of static charge called? A. B. C. D. Thunder Hail Lightning Condensation nuclei For questions 15 – 19 choose one of the following choices of fronts. A choice may be used more than once. A. Warm B. Cold C. Occluded D. Stationary _____15. Which type of front has the following weather map symbol? _____16. Which type of front forms when a warm air mass overtakes a cold air mass? _____17. Which type of front forms when a cold front catches up to a warm front and the warm air mass is shoved above the 2 cold air masses? _____18. Which type of front produces thunderstorms? _____19. One front has a gradual slope that produces cirrus clouds a few days before the main part of the front arrives. Later it produces heavy precipitation from stratus clouds. What kind of front is it? COMPLETION 20. _______________________ What kind of pressure system produces stormy weather? (High or Low) 21. _______________________ A tornado has been sighted. What kind of alert will be issued? (warning or a watch) 22. _______________________ In the Northern Hemisphere, low pressure areas and hurricanes rotate in which direction? (clockwise or counter clockwise) 23. _______________________ A category 2 hurricane has just passed over islands in the Caribbean and is moving back out over the Gulf of Mexico. Is it possible for the hurricane to increase in strength to a category 3 hurricane before it reaches the US coast? 24. _______________________ What is the part of a hurricane that is a high pressure area with clear skies and little wind? Using the station model answer the following questions. 25.________________ Is it clear, overcast or partially cloudy? 26. _______________What is the dew point? 27. _______________Which direction is the wind coming from? 28. _______________ What is the current temperature? 29. _______________Has the pressure been rising, falling or staying the same? Answers to 30 – 32 An H on the map indicates clear weather, most tornadoes will form near a cold front located in Texas Arkansas and plains states area, The next system to the west of Virginia would come through next. Look at the weather map and answer the following questions. 30. ___________ After the front passes through Virginia would you expect a high or low pressure system to be present? 31. ___________ In which area would you expect to find clear weather? 32. ___________Where might you expect to have tornados forming? True and False _____33. Tropical climates can never be deserts. _____34. Polar climates tend to be cold and wet. _____35. The most variety of climates is found in the temperate regions. _____36. Climate correlates most closely with latitude. _____37. Coastal mountain ranges tend to be dry on the slope facing the coast and wet on the other slope. _____38. Virginia has a temperate humid continental climate. _____39. In the continental US, the areas of the widest temperature range (-30 F in winter and 90’s in summer) are located in the northern plains states. _____40. Large bodies of water such as oceans and Great Lakes moderate temperature extremes and tend to increase precipitation.