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FSU MET 1010 - MET 1010 Final Exam

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ERAU World WideWEAX 201 Final Exam Summer 2009 NAME:___________________________________1. (20) If we consider an upper level trough (as seen in the diagram below) EXPLAIN AND DRAW where and how the surface low and high pressure systems form. On the surface diagrams, please draw in the forces, and use them to DISCUSS why the winds circulate the way they do.Surface Upper Air L HWind’s initial pathWind’s initial path2. (5) Name the 5 fronts and give their definitions.3. SEVERE WEATHER: (10) The radar image below is a classic severe thunderstorm. Name it, and describe and draw its formation from cumulus stage (at the beginning) to dissipation.3b. (4) What are the conditions necessary for severe weather formation? Of those conditions, which is most important in the formation of a tornado. 3c. (2) The above storm was associated with an F4 tornado. What is the F-scale? How are tornadoes rated and why is this scale inaccurate?4. (3)a. What is a Mid-Latitude cyclone?4b. (6) In the diagram below, draw the position of the low, the cold and warm front. Describe the following conditions in North Carolina.1. Cloud types that would be present2. Wind direction (in N,S,E,W)3. Weather (precipitation, temperature, humidity)MULTIPLE CHOICE: fill in the blanks with the correct answer.____ 1. In the mature stage of a mid-latitude cyclone, the following conditions are present:a. Pressure is droppingb. Counterclockwise motion is beginningc. Clockwise motion is beginningd. Pressure is risinge. Both a and b____ 2. If pressure is lowering at the surface the wind are ______________ at the surface and __________ in the upper levels.a. Converging; divergingb. Diverging; convergingc. Converging; convergingd. Diverging; diverginge. Sinking; sinking____ 3. The formation of a mid-latitude cyclone is called:a. Low pressure genesisb. Anticyclogensisc. Cyclogenesisd. Convergencee. Conditional instability____ 4. Non-severe weather has the following conditions:a. Lightning and thunderb. Heavy rainc. A and bd. Strong vertical wind sheare. A, b, &d____ 5. The following is a non-severe thunderstorma. an airmass thunderstormb. a frontal squall linec. a mesoscale convective systemd. a supercell e. none of the above____ 6. A supercell storma. Is the most violent thunderstormb. Rotates counterclockwise on its ownc. Does not require strong vertical wind sheard. All of the abovee. Both a and b____ 7. A mesoscale convective system requires:a. Heatb. Moisturec. Conditionally unstable environmentd. Strong vertical wind sheare. All of the above____ 8. An airmass thunderstorm forms initially by:a. Frontal liftingb. Surface heatingc. Collision-Coalescenced. All of the abovee. None of the above____ 9. Which of the following types of tornadoes would you find in a non-severe storm?a. F0 & F1b. F2& F3c. F4& F5d. All of the abovee. None of the above_____ 10. A tornado formsa. from the bottom upb. from a mesocyclonec. due to strong vertical wind sheard. from the top downe. all of the above_____ 11. Lightning occurs due to positive charges in the bottom portion of clouds meeting negative charges from the ground.a. Trueb. False_____ 12. On Friday night, a tornado warning was issued for Okaloosa County: this means that:a. the conditions were present for tornadic activityb. a tornado was spotted in Santa Rosa Countyc. A possibility of tornadoesd. A tornado was spotted in Okaloosa Countye. None of the above_____ 13. Tropical disturbances can form in which of the following environmentsa. old frontal boundariesb. easterly wavesc. thunderstormsd. all of the abovee. only a&b_____ 14. An easterly wave causes a tropical disturbance because ofa. convergence on the west side of the troughb. rising motion on the west side of the troughc. convergence east of the trough axisd. both a & be. both b & c_____ 15. Heat is supplied to a hurricane bya. latent heat releaseb. warm Sea Surface Temperaturesc. Warm raind. Only a&be. All of the above_____ 16. Latent heat release happens whena. water evaporates off the oceanb. water vapor condenses in the atmospherec. sinking motion causes the air to cleard. warmth from the ocean is transferred to the atmospheree. none of the above_____ 17. A tropical disturbance is defined asa. an unorganized cluster of thunderstormsb. a storm having winds between 0-20 kts (0-24mph)c. both a & bd. a storm having low pressure and an eyee. all of the above_____ 18. A tropical depressiona. occurs when there is an identifiable drop is surface pressureb. occurs when the winds are between 34-63 kts(39-73mph)c. is assigned a named. is an unorganized cluster of thunderstormse. both a &c _____ 19. A tropical storma. is assigned a numberb. is assigned a namec. have winds between 64-82kts (74-95mph)d. has a center of low pressuree. both b&d_____ 20. Once a storms wind speeds reach 74 mph (64kts) it a. is a hurricaneb. is classified by the Saffir-Simpson Scalec. has a well defined eyed. both a & be. all of the above_____ 21. A hurricane having wind speeds between 96-113 kts (111-130mph) is considered aa. Cat 1 stormb. Cat 2 stormc. Cat 3 stormd. Cat 4 storme. Cat 5 storm_____ 22. A hurricane having wind speeds between 114-135 kts (131-155mph) is considered aa. Cat 1 stormb. Cat 2 stormc. Cat 3 stormd. Cat 4 storme. Cat 5 storm_____ 23. In order for a tropical disturbance to increase in intensity the following conditions must be presentc. high tide, Low pressure, Warm SSTs, and High pressure aloft d. weak wind shear, wave height, high tides, high winds, warm SSTse. High relative humidity, Warm SSTs, High pressure aloft, weak wind shear, vorticity maxf. all of the above g. none of the above_____24. 80% of all lightning is calleda. cloud to ground lightningb. cloud to cloud lightning c. sheet lightningd. both a&ce. both b&c____ 25. The force that generates wind isa. coriolis forceb. frictionc. pressure gradient forced. gravity forcee. centrifugal force____ 26. Which of these factors influence the magnitude of the Coriolis Force?a. wind speedb. longitudec. wind directiond. centrifugal forcee. temperature____ 27. Lines on a weather map connecting places of equal air pressure are calleda. isogridsb. isovectorsc. isothermsd. isobarse. isopressures____ 28. Tightly packed isobars often indicate a. high wind speedsb. low wind speedsc. cold temperaturesd. cyclonic windse. small pressure gradient____ 29. A weak pressure gradient indicatesa. low wind speedsb. high


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FSU MET 1010 - MET 1010 Final Exam

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