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meteorology
final prep over exam 4
| Question | Answer |
|---|---|
| 1. the first step in the classical formation of a mid-latitude cyclone | polar front seperates masses of warm and cold air |
| 2. mid-latitude cyclones in the northern hemisphere typically travel in which direction? | east |
| 3. which component describes the overall rotation of the air | absolute vorticity |
| 4. in the conveyor belt model of a mid-latitude cyclone, which belt enters the storm of mid-levels from the west? | dry conveyor belt |
| 5. a rossby wave is also called a: | longwave |
| 6. vorticity is a measure of: | earth wobble |
| 7. norwegian cyclone model was developed by | Bjerknes |
| 8. the winter storm track that often brings in blizzard conditions for a short period of time and comes from canada is called the | Alberta clipper |
| 9. the weakening of a cyclone is called | cyclosis |
| 10. the vast majority of lightning is | cloud to cloud |
| 11. the initial phase of lightning involving a rapid and staggered advance of a sgaft of negativley charged sir is the | stepped leader. |
| 12. oval or roughly circular oragnized systems containing several thunderstorms that are self-propagating are called | mesoscale connective complexes |
| 13. on average, the state containing the most thunderstorms per year is | Florida |
| 14. thunderstorm clounds (thunderheads) are otherwise known as | cumulonimbus |
| 15. they type of lightning in which tall sharp objects glow with continuous barrage of strikes such as on the cockpit window durning an airline flight is called | St. elmos fire |
| 16. the cale describing a tornados strength and destruction was developed by | ted Fujita |
| 17. | |
| 18. a linear formation of thunderstorms ahead of a cold front are often called | squall lined |
| 19. a bow echo on a radar often indicates what type of weather is occuring | strong striaght line winds |
| 20. the rotating updraft within a strong thunderstorms is called a | mesocyclone |
| 21. on doppler radar, a ____ echo often determines extreme rotation within a severe thunderstorm | hook |
| 22. in the united states, tornadoes are mst likely to form in which month? | may |
| 23. lightning can strike... a) below thunderstorm cloud b) out of anvil of a thunderstorm cloud c) from side of cloud d) all of the above | all of the above |
| 24. lighning that seems to occur without thunder is often misused and called what type of lighning | heat lightning |
| 25. over the indian ocean tropical storms are called | cyclones |
| 26. hurricanes gain most of their energy from | latent heat released by condensation |
| 27. the eye wall of a hurricane has the following characteristics except... a) thick cloud cover b) light to moderate winds c) intense precip. d) saturated air | light to moderate |
| 28. what is the weakest type of tropical system | tropical disturbance |
| 29. in a hurricane, most fatalities occur from | water |
| 30. the wind speed of a hurricane in the northern hemisphere is greatest a) left front quadrant of storm b) behind storm c) in front of the storm d) right front quadrant of the storm | right front quadrant of the storm |
| 31. hurricanes lose strength when they | move over cooler water and move over head |
| 32. hurricane season peaks during the late summer because of | ocean surface is warmest |
| 33. at a minimum, a hurricane must have sustained winds of at least.... | 74 mph |
| 34. hurricanes do not form a) with a tropical b) when the ocean surface is warm c) along the equator d) when the trade wind inversion is weak | along the equator |
| 35. which type of storm is associated with a storm surge | hurricane |
| 36. name of the hurricane the devastated new Orleans and much of the gulf coast in 2005 | Katrina |
| 37. the central eye of the hurricane | portion of storm with weakest winds |
| 38. which basin has the greatest frequency of tropical systems? | western pacific |
| 51. the nonrotating lowered base of a cumulonimbus cloud that often warns of a developing tornado is called a | |
| 52. a tornado that hasn't quite reached the ground is called a | |
| 53. a large center of a low pressure located near 45degrees N is called a _______ cyclone | mid-latitude |
| 54. the term used for the formation of cyclones is called | cyclogenesis |
| 55. the rapid expansion of air due to excessive heating from lightning creates shock wave called | thunder |
| 56. a localized, short-lived non-severe thunderstorm is called a _______ thunderstorm | single cell thunderstorm |
| 57. a single, extremely powerful thunderstorm cell is called a ____ | supercell |
| 58. the cold downdraft surging towards the ground and producing a shelf cloud is called a _____ front | |
| 59. the weakest scale rating of a tornado is | F0 or F1 |
| 60. a similar feature to a tornado, but occurring over water is called |
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