Term
| Wind direction and wind speed are determined by an averaging over a ____ period? |
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Definition
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Term
| Wind shifts are reported: |
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Definition
| in the remarks section of Metar and Speci reports |
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Term
| What is the appropriate unit of measure and resolution for wind reports in an aviation weather report? |
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Definition
| Tens of degrees and knots |
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Term
How would you report that an average wind speed of 25 knots was varying rapidly between 20 and 30
knots? |
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Definition
| 25 and the remark, WND 20V30 |
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Term
If the wind is from true north at 8 knots and the magnetic declination is plus 10 degrees, the wind direction
and speed would be coded as: |
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Definition
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Term
| Which of the following wind parameters is not included in the body of the METAR/SPECI wind element? |
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Definition
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Term
A strong wind suddenly increases from 270 degrees at 15 knots to 32 knots with gusts to 44 knots and
persists for 3 minutes before subsiding. This is reported as: |
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Definition
| 27032G44KT SQ (in present weather) |
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Term
| Calm wind is coded in the body of the report as: |
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Definition
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Term
The wind direction is from 240° at 9 knots and the direction is varying from 210° to 260°. How would this
be formatted for transmission? |
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Definition
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Term
If a wind shift is accompanied by a cold frontal passage that began at 30 minutes after the hour, the
remark would be coded as: |
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Definition
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Term
| The essential difference between gusts and squalls is: |
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Definition
| the duration of the increased wind speed. |
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Term
| A variable wind direction and a speed of 4 knots would be coded as: |
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Definition
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Term
| Which of the following is a good method for estimating low surface wind speed? |
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Definition
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Term
The sudden onset of strong winds with speeds increasing by at least 16 knots and sustained at 22 or more
knots for at least 1 minute is reported as a |
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Definition
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Term
The station anemometer is not in operation. However, the observer estimates that the wind speed is 10
knots. The wind speed will be reported as: |
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Definition
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Term
At the time of a METAR observation, the anemometer cups, whose starting speed is 3 knots, are not
moving. Smoke near the surface is observed to be drifting to the south. The wind should be reported as |
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Definition
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Term
Before the wind is characterized as gusty, variation between peaks and lull must be at least how many
knots? |
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Definition
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Term
Wind direction is varying from 1800 to 2400 at 10 knots. The correct entry in the body of the METAR
observation is |
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Definition
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Term
| Squalls are reported only if they have been observed within the last minutes |
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Definition
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Term
The wind is from 360° at 125 knots. What would be the correct entry in Column 4 (Speed), of
MF1M-10C? |
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Definition
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Term
The wind shifted at 1030CST from 1800 at 15 knots to 2700 at 40 knots with gusts to 50 knots. The correct
remark in column 14 for the 1050CST observation would be |
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Definition
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Term
The wind suddenly increases from 180 degrees at 05 knots to 150 degrees at 21 knots with gusts to 35
knots and persists for 3 minutes before subsiding. This is reported as: |
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Definition
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Term
A wind shift is reported if there is a change in direction of degrees or more that takes place in less
than minutes and has sustained winds of knots or more throughout the wind shift. |
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Definition
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