Training Guide in Surface Weather Observations - Multiple Choices

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18. 1200 UTC or other time modified to meet regional needs. 19. SNINCR 3/8 20. b. 57014 21. d. WSHFT 1957 22. a. WSHFT 15 VIS 1/2V2 RAB35 BKN014 V OVC ACC NW 23. d. no report is required 24. b. T01850101 25. c. not required to be reported 26. b. 11025 27. d. 5,6,7,8 28. a. SNINCR 3/9 29. b. 6//// 30. a. 10145 21015 31. a. 60000 32. d. ACC DSNT NW 33. d. Begin/end times 34. c. during an hour that is different from the observation time hour. 35. d. RAB1458 TSB1456E31 36. d. 1-6 37. c. FIBI 38. d. WSHFT 1957 A-20
ANSWERS to OBSERVING and CODING EXERCISES - CHAPTER 9 2. Lower layer has 3 /8ths coverage. Prevailing visibility is 8 statute miles. Upper layer has 2 /8ths coverage. Total sky coverage is 5 /8ths. Dew Point 60°F Converted 15.6°C METAR KAEX 211155Z 05003KT 8SM SCT025 BKN070 23/16 A2992 RMK FU SCT025 SLP975 T02340156 3. Lower layer has 4 /8ths coverage. Prevailing visibility is 10 statute miles. Middle layer has 1 /8ths coverage. Upper layer has 3 /8ths coverage. Total sky coverage is 8 /8ths. Dew Point 78°F Converted 25.6°C METAR KAEX 211254Z 14012KT 10SM -SHRA SCT030 BKN040 OVC080CB 30/26 A2983 RMK FRQ LTGCG VC N CB OHD MOV E SLP945 T03040256 4. Lower layer has 5 /8ths coverage. Prevailing visibility is 7 statute miles. Upper layer has 1 /8ths coverage. Total sky coverage is 6 /8ths. Dew Point 74°F Converted 23.3°C METAR KAEX 211351Z 17006KT 7SM BKN040 BKN090 33/23 A2987 RMK SLP958 T03340233 5. Surface based layer has 5 /8ths coverage. Prevailing visibility is 2 statute miles. Upper layer has 2 /8ths coverage. Sector visibility and direction is (if any) 1 SW Total sky coverage is 7 /8ths. Dew Point 63°F Converted 17.2°C METAR KAEX 211455Z VRB02KT 2SM BR BKN000 BKN060 18/17 A2980 RMK VIS SW 1 BR BKN000 SLP936 T01840172 6. Total sky cover is 8 /8ths. Prevailing visibility is 20 statute miles. Dew Point 49°F Converted 9.4°C METAR KAEX 211554Z 00000KT 20SM OVC230 23/09 A2999 RMK SLP006 T02260094 7. Total sky coverage is 0 /8ths. Prevailing visibility is 15 statute miles. Dew Point 69°F Converted 20.6°C METAR KAEX 211654Z 05005KT 15SM SKC 28/21 A3003 RMK SLP108 T02840206 8. Lower layer has 7 /8ths coverage. Prevailing visibility is 1/4 statute miles. Upper layer has 1 /8th coverage. Sector visibility and direction is (if any) 1/8 SW-W Total sky coverage is 8 /8ths. 1/2 NW Dew Point 30°F Converted -1.1°C METAR KAEX 211755Z 32010KT 1/4SM +SN BKN015 OVC030 00/M01 A2973 RMK VIS SW-W 1/8 NW 1/2 SLP912 SNINCR 3/4 T00041011 A-21
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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
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11. 12. At the time of observation,
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23. Weather conditions being equal,
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38. Visibility of 2 3/8 miles is re
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When more than one type of present
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4.1.2 Descriptors Descriptors are q
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Obscurations that stand alone, i.e.
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Question: What does an observer do
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Footnotes for Weather Phenomena Mat
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9. +FZRA a. Severe freezing rain b.
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23. Volcanic ash is reported: a. wh
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37. Match the following present wea
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46. Which of the following precipit
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59. Steady rain is observed 4 miles
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72. Rain showers of an unknown inte
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5.2 Sky Cover Figure 5-2. Weather O
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Example 5-2. One Layer with Single
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Figure 5-4. Advancing Layer (sky co
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5-8
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Figure 5-10. Surface-base Layer Sur
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Example 5-5. Four Layers. The follo
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Example 5-8. One Layer. Example 5-9
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1 CU - Cumulus 1 Example 5-12. Mult
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layer aloft will be considered as m
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5. When a balloon is used for deter
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OUTLINE DETERMINING SKY COVER AMOUN
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Select the correct answer. REVIEW Q
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20. If a layer aloft has less than
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40. Match the following reportable
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6.1 Temperature and Dew Point - T
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6. Obtain the difference between th
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Other examples of determining wet-b
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The conversion from ice to water ca
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a. Read right end of index in minim
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Figure 6-8. Reading a Thermometer t
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TIME G LST G UTC (2) TEMP. (°C) DE
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Method II: Centrifugal Force A shor
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INSTRUCTIONS: Select the best answe
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16. Under what conditions is the de
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6-21 +130 129 128 127 126 +125 124
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6-23
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The altimeter setting shall be repo
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7-4
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7. Sea-level pressure is an adjustm
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Page 138 and 139: CHAPTER 9 REVIEW EXERCISES OBSERVIN
Page 140 and 141: Exercise #3 Lower layer has ____/8t
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Page 144 and 145: Exercise #7 Total sky coverage is _
Page 146 and 147: Exercise #9 Lower layer has ____/8t
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Page 150 and 151: QUALITY CONTROL EXERCISE Each of th
Page 152 and 153: 21. METAR KKKK 282045Z E29006KT 7SM
Page 154 and 155: 42. METAR KFFF 302250Z 03008KT 40SM
Page 156 and 157: 16. a. METAR 17. b. second 18. d. f
Page 158 and 159: 11. - a change in wind direction of
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Page 162 and 163: 22. b precipitation occurring not a
Page 164 and 165: 52. b. decreasing dominance. 53. b.
Page 166 and 167: 24. 8 VV 25. 8 OVC 26. 7 BKN 27. as
Page 168 and 169: A-14
Page 170 and 171: A-16
Page 172 and 173: A-18
Page 176 and 177: 9. Lower layer has 1 /8ths coverage
Page 178 and 179: 16. METAR KFFF 312148Z 36005KT 1 1/
Page 180 and 181: 43. METAR KGGG 052145Z 05009KT 4SM
Page 182 and 183: WET BULB TEMPERATURES 31 32 33 34 3
Page 184 and 185: WS Form B-11 (12-96) Pres. by WSOH
Page 186 and 187: C-3
Page 188: . If an altimeter setting indicator
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