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Training Guide in Surface Weather Observations - Multiple Choices

Training Guide in Surface Weather Observations - Multiple Choices

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23. <strong>Weather</strong> conditions be<strong>in</strong>g equal, why should you allow more time for tak<strong>in</strong>g observations at night<br />

than dur<strong>in</strong>g the day?<br />

24. Where is the RVR group reported <strong>in</strong> a METAR/SPECI report?<br />

a. after the w<strong>in</strong>d<br />

b. after the visibility<br />

c. <strong>in</strong> remarks<br />

d. with weather and obscuration<br />

25. Which of the follow<strong>in</strong>g are true of RVR reports?<br />

_____ the prevail<strong>in</strong>g visibility is 1 statute mile or less<br />

_____ the RVR is 8,000 feet or less<br />

_____ the RVR is reported <strong>in</strong> the body of a METAR/SPECI report<br />

_____ the RVR is reported even if your station does not have the RVR equipment<br />

Code the follow<strong>in</strong>g RVR values for a METAR report.<br />

26. The RVR is <strong>in</strong>dicat<strong>in</strong>g a value of 2400 feet for runway 22.<br />

27. The RVR is <strong>in</strong>dicat<strong>in</strong>g a value of 600 feet for runway 02 left.<br />

28. The RVR is <strong>in</strong>dicat<strong>in</strong>g a value of more than 6000 feet for runway 02 left. The visibility is one and<br />

one-quarter miles.<br />

29. Your station does not have runway visual range equipment and your visibility is down to one quarter<br />

mile. How is the RVR coded <strong>in</strong> the report?<br />

30. When tak<strong>in</strong>g a visibility observation, you should take the observation from:<br />

a. one fixed location.<br />

b. as many locations as practicable.<br />

c. the ma<strong>in</strong> po<strong>in</strong>t of observation.<br />

d. two locations and report the average visibility.<br />

31. The tower visibility is entered <strong>in</strong> column 7b and transmitted <strong>in</strong> the body of the observation when<br />

visibilities are:<br />

a. SFC VIS = 3, TWR VIS = 3<br />

b. SFC VIS = 3, TWR VIS = 2<br />

c. SFC VIS = 3, TWR VIS = 5<br />

d. SFC VIS = 2, TWR VIS = 4<br />

3-15

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