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BendixKing KAC 503 - Supplemental System FIS User Manual

Page 7

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Rev 1 Oct. 2003

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CLR Clear below 12,000 ft. (automated observing systems)
FEW 1-2 Octas
SCT 3-4 Octas
BKN 5-7 Octas
OVC 8 octas

“VV” may also be encountered here indicating an indefinite ceiling. For
example, VV004 would indicate a vertical visibility of 400 feet.

010 indicates clouds are at 1000 feet.

CB denotes cloud type is cumulonimbus. “TCU” is another possible
designator meaning towering cumulus. CI is cirrus.

9.

Temperature/Dew Point: 18/16

18 indicated the temperature is 18° Celsius. An “M” preceding the tem-
perature means the temperature is below 0° Celsius.

16 indicated the dew point is 16° Celsius. An “M” preceding the dew
point means the dew point is below 0° Celsius.

10. Altimeter Setting: A2992

A indicates the setting is in inches of mercury.

2992 is the altimeter setting. The first two digits are inches and the
second two are hundredths.

11. Remarks: RMK SLP013 T01760158 PK WND 22030/15

RMK designates the beginning of the remarks. Remarks can contain
anything, but often include the following:

SLP indicates sea level pressure in millibars from selected stations.

013 indicates pressure is 1001.3 millibars.

T01760158. Selected stations may also include a 9 place code indi-
cating temperature and dewpoint to the nearest 1/10 degree. T
denotes temperature. 0 indicates temperature is above 0° Celsius. A
“1” in this position indicates a temperature below 0° Celsius. 176 indi-
cates a temperature of 17.6° Celsius. The next 0 indicates the dew
point is above 0° Celsius. A “1” in this position indicates a dew point
below 0° Celsius. 158 indicates a dewpoint of 15.8° Celsius.

PK WND 22030/15. Selected stations may include peak wind observa-
tions which will appear in the remarks element.

PK WND denotes peak wind.

200 indicates wind direction from 200°.

30/15 indicates a maximum instantaneous wind of 30 knots occurred at
15 minutes past the hour.