Training Guide in Surface Weather Observations - Multiple Choices

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Select the correct answer. REVIEW QUESTIONS 1. Cloud heights are reported in increments of hundreds of _________________________ . a. feet b. meters c. oktas d. yards 2. Types of reportable layers are _________________________ . a. X, SCT, BKN, OVC b. VV, FEW, SCT, BKN, OVC c. -X, SCT, BKN, OVC d. WW, OHD, FRQ, CON 3. At manual reporting stations, the contraction for clear skies is _______________ . a. CLR b. No CLDS c. SKC d. VV 4. The contraction used to describe a total ground-based obscuration is _______________ . a. W b. VV c. X d. SKC Code the following sky conditions for the body of a METAR/SPECI report and include remarks. Any remark entries should include the contraction RMK. 5. A layer of clouds covers four-eighths of the sky at an estimated nine thousand feet. 6. A layer of clouds covers two-eighths of the sky at one thousand feet and a higher layer of clouds covers five-eighths of the sky at twenty-five thousand feet. 7. No clouds are visible. 8. A layer of clouds covers three-eighths of the sky at two thousand five hundred feet, with a towering cumulus cloud overhead as part of this layer. A higher layer of clouds that covers five-eighths of the sky at twenty-five thousand feet is seen aloft. 5-24
9. Fog is obscuring five-eighths of the sky. A higher layer of clouds covers three-eighths of the sky at ten thousand feet. 10. Fog is obscuring all of the sky and you can see vertically into the fog three hundred feet. 11. A layer of smoke covers five-eighths of the sky at three thousand feet. 12. A layer of clouds covers five-eighths of the sky varying from one thousand to two thousand five hundred feet. 13. A layer of clouds covers four-eighths to six-eighths of the sky at two thousand feet. 14. A layer of clouds covers four-eighths to six-eighths of the sky at two thousand five hundred feet. A higher layer of clouds covers the remainder of the sky at ten thousand feet. 15. The maximum number of layers coded in a manual observation is _______ . 16. All cloud layers and obscurations aloft are considered to be: a. either opaque or transparent b. opaque c. translucent d. measurable 17. The amount of sky cover for each layer shall be observed in: a. sectors b. quadrants c. tenths d. eighths 18. A cloud layer with a base less than 50 feet is reported: a. with a height of 0 feet b. with a height of 50 feet c. with a height of 100 feet d. as an obscuration 19. Match the reportable contraction with the summation amount for the layer. _____ SKC a. less than 1/8 to 2/8 _____ FEW b. 0 _____ SCT c. 5/8 to 7/8 _____ BKN d. 8/8 _____ OVC e. 3/8 to 4/8 5-25
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Training Guide in Surface Weather O
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PREFACE METAR/SPECI is the internat
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CHAPTER 7 - PRESSURE ..............
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1.2 Content and Format of the Manua
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1.6 Report Modifier - COR An observ
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1-6
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12. A METAR observation contains se
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25. At no time shall an observation
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2.1.4 Estimated Winds Though winds
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2-4
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Code the following wind situations
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19. Which of the following wind par
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3.1 Visibility 1 CHAPTER 3 VISIBILI
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3.2.3 Surface and Tower Visibility
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SUR- FACE VISIBILITY PRESENT WEATHE
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3.3 Visibility Chart As an aid for
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OUTLINE DETERMINING VISIBILITY From
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REVIEW QUESTIONS Select the best an
Page 38 and 39: 11. 12. At the time of observation,
Page 40 and 41: 23. Weather conditions being equal,
Page 42 and 43: 38. Visibility of 2 3/8 miles is re
Page 44 and 45: When more than one type of present
Page 46 and 47: 4.1.2 Descriptors Descriptors are q
Page 48 and 49: Obscurations that stand alone, i.e.
Page 50 and 51: Question: What does an observer do
Page 52 and 53: Footnotes for Weather Phenomena Mat
Page 54 and 55: 9. +FZRA a. Severe freezing rain b.
Page 56 and 57: 23. Volcanic ash is reported: a. wh
Page 58 and 59: 37. Match the following present wea
Page 60 and 61: 46. Which of the following precipit
Page 62 and 63: 59. Steady rain is observed 4 miles
Page 64 and 65: 72. Rain showers of an unknown inte
Page 66 and 67: 5.2 Sky Cover Figure 5-2. Weather O
Page 68 and 69: Example 5-2. One Layer with Single
Page 70 and 71: Figure 5-4. Advancing Layer (sky co
Page 72 and 73: 5-8
Page 74 and 75: Figure 5-10. Surface-base Layer Sur
Page 76 and 77: Example 5-5. Four Layers. The follo
Page 78 and 79: Example 5-8. One Layer. Example 5-9
Page 80 and 81: 1 CU - Cumulus 1 Example 5-12. Mult
Page 82 and 83: layer aloft will be considered as m
Page 84 and 85: 5. When a balloon is used for deter
Page 86 and 87: OUTLINE DETERMINING SKY COVER AMOUN
Page 90 and 91: 20. If a layer aloft has less than
Page 92 and 93: 40. Match the following reportable
Page 94 and 95: 6.1 Temperature and Dew Point - T
Page 96 and 97: 6. Obtain the difference between th
Page 98 and 99: Other examples of determining wet-b
Page 100 and 101: The conversion from ice to water ca
Page 102 and 103: a. Read right end of index in minim
Page 104 and 105: Figure 6-8. Reading a Thermometer t
Page 106 and 107: TIME G LST G UTC (2) TEMP. (°C) DE
Page 108 and 109: Method II: Centrifugal Force A shor
Page 110 and 111: INSTRUCTIONS: Select the best answe
Page 112 and 113: 16. Under what conditions is the de
Page 114 and 115: 6-21 +130 129 128 127 126 +125 124
Page 116 and 117: 6-23
Page 118 and 119: The altimeter setting shall be repo
Page 120 and 121: 7-4
Page 122 and 123: 7. Sea-level pressure is an adjustm
Page 124 and 125: 2. Additive Data [NA SAWRS] 3- and
Page 126 and 127: 8.2.2.2 24-Hour Precipitation Amoun
Page 128 and 129: When finished, put the emptied meas
Page 130 and 131: 8.3.3.1 Depth of New Snow (Snowfall
Page 132 and 133: 8-10
Page 134 and 135: 10. A thunderstorm is overhead, mov
Page 136 and 137: 26. A 6-hourly maximum temperature
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CHAPTER 9 REVIEW EXERCISES OBSERVIN
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Exercise #3 Lower layer has ____/8t
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Exercise #5 Surface based layer has
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Exercise #7 Total sky coverage is _
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Exercise #9 Lower layer has ____/8t
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Exercise #11 Total sky coverage is
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QUALITY CONTROL EXERCISE Each of th
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21. METAR KKKK 282045Z E29006KT 7SM
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42. METAR KFFF 302250Z 03008KT 40SM
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16. a. METAR 17. b. second 18. d. f
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11. - a change in wind direction of
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...unfocused lights of moderate int
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22. b precipitation occurring not a
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52. b. decreasing dominance. 53. b.
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24. 8 VV 25. 8 OVC 26. 7 BKN 27. as
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A-14
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A-16
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A-18
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18. 1200 UTC or other time modified
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9. Lower layer has 1 /8ths coverage
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16. METAR KFFF 312148Z 36005KT 1 1/
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43. METAR KGGG 052145Z 05009KT 4SM
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WET BULB TEMPERATURES 31 32 33 34 3
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WS Form B-11 (12-96) Pres. by WSOH
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C-3
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. If an altimeter setting indicator
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Training Guide in Surface Weather Observations - Multiple Choices

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