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Weather Study Guide

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  1. Weather Study Guide

  2. Draw windward and leeward. Which side of mountain gets most of rain and which side is desert? Leeward Windward

  3. Draw and label the front symbols. What type of weather is associated with each front? • Cold front- cooler weather, thunderstorms • Warm front- warmer, humid, rainy • Stationary front- steady rain • Occluded front- very complex system. May have rain when cold front meets warm front http://www.phschool.com/atschool/phsciexp/active_art/weather_fronts/

  4. 4 types of fronts Cold front Warm front Stationaryfront Occluded front

  5. Wind goes from high pressure to ______________pressure

  6. Low pressure

  7. What causes land and sea breezes?

  8. Sea Breeze occur during the day. Warm air over the land is forced upward by cooler, denser air moving inland from the ocean.

  9. Land breezes Occur at night Air over land cools faster than air over the water The cool dense air from the land moves out over the water, pushing the warm air over the water upward.

  10. Define air pressure

  11. Air pressure: Force per unit area that is exerted on a surface by the weight of the atmosphere

  12. The variations in air pressure from place to place are the principal cause of

  13. wind

  14. What are high altitude, high velocity winds called

  15. Jet Streams

  16. Steep air pressure gradient cause ______ winds

  17. High Winds

  18. Low pressure systems are usually associated with ______________weather

  19. Bad or rainy weather

  20. An air mass that forms over the Gulf of Mexico would be described as

  21. maritime, Tropical

  22. Which front often produces hours of moderate to light precipitation over a large area?

  23. Warm Front

  24. When a hurricane reaches land, its intensity decreases because

  25. It loses its source of energy- warm ocean water

  26. The lines on a weather map connecting points of equal atmospheric pressure are called

  27. Isobars

  28. The climate zone with the coldest average temperature is

  29. polar

  30. Complete table with what the instrument measures

  31. What is the station model symbol for rain, snow, and thunderstorm?

  32. Which direction do winds in high pressure system blow? Is the pressure high or low in center of high pressure system?

  33. CLOCK-WISE AND OUT

  34. What direction do winds in low pressure system blow? Is the pressure high or low in center of low pressure system?

  35. COUNTER-CLOCKWISE AND IN

  36. Isobars that are close together indicate winds that are blowing fast. • Isobars far apart indicate that winds are blowing slow.

  37. Fujita scale measures tornado strength. • What is a weak tornado? F0 • What is a strong tornado? F5

  38. List the air masses and characteristics. Be able to locate on a map.

  39. The properties of an air mass depend mainly on the

  40. Where the air mass forms

  41. A very catastrophic hurricane on the Saffir-Simpson scale would be rated- category 5

  42. Most damage done in a hurricane is due to

  43. Storm surge

  44. Label a weather station model for the following conditions for Blacksburg, VA. • Wind speed: 10 knots • Wind direction: S • Barometric Pressure: 950.3 • Cloud Cover: 0% • Dew Point: 15 • Temperature: 53 • Precipitation: none 503 53 15

  45. The Earth’s major climatic zones are polar, temperate, and tropical. Briefly describe each. • Polar: cold, very little vegetation, short, cool summer • Temperate: four seasons, moderate temperatures • Tropical: warm all year, lots of vegetation

  46. List the 4 major factors affecting climate and explain how they affect climate. • Elevation: as elevation increases, the average annual temperature decreases. • Latitude: As latitude increases, the average annual temperature decreases • Proximity to large bodies of water: water is a large reservoir of heat, so water helps regulate climate; cooler summers, warmer winters. • Position relative to mountains: windward (cool, moist) vs leeward (warm, dry) side.

  47. How does the Orographic Effect affect climate? • Windward Side: cool, moist • Leeward Side: warm, dry