曝光台 注意防骗
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MET REPORT YUDO 2216302 WIND 240/15KMH VIS 600M RVR RWY 12 TDZ l OOOM MOD DZ FG CLD SCT
300M OVC 600M T17 DP16 QNH 101 8 HPA TREND BECMG TL1700 VIS 800M FG BECMG AT1 800 VIS lOKM
NSW
b) METAR for YUDO (Donlon/International) *:
METAR YUDO 2216302 24015KMH 0600 R12i1000U DZ FG SCTOlO OVC020 17/16 41018 BECMG TL1700 0800
FG BECMG AT1 800 9999 NSW
Meaning of both reports:
Routine report for Donlon/International* issued on the 22nd of the month at 1630 UTC; surface wind direction
240 degrees; wind speed 15 kilometres per hour; visibility (along the runway(s) in the local routine report; prevailing
visibility in METAR) 600 metres; runway visual range representative of the touchdown zone for runway 12 is
1 000 metres and the runway visual range values have shown an upward tendency during previous 10 minutes (RVR
tendency to be included in METAR only); and moderate drizzle and fog; scattered cloud at 300 metres; overcast at
600 metres; air temperature 17 degrees Celsius; dew-point temperature 16 degrees Celsius; QNH 1 018 hectopascals; trend
during next 2 hours, visibility (along the runway(s) in the local routine report; prevailing visibility in METAR) becoming
800 metres in fog by 1700 UTC; at 1800 UTC visibility (along the runway(s) in the local routine report; prevailing
visibility in METAR) becoming 10 kilometres or more and nil significant weather.
* Fictitious location
Note.- In this example, the primary units "kilometre per hour" and "metre" were used for wind speed and height of cloud base, respectively.
However. in accordance with Annex 5, the corresponding non-SI alternative units "knot" and "Joot" may be used instead.
Element as specr'fied in Chapter 4
APP 3-22
' There is no aeronautical requirement lo report sulface wind speeds of 200 kmh (100 kl) or more; however, provision has been made for reporting wind speeds up to
399 krwh (199 kt) for non-aeronautical purposes, as necessary.
Range
01 - 36; 51 - 86; 88; 99
0 - 9
1;2; 5; 9
00-90;92-99
0 0 - 9 5 ; s
State of the runway
Resolution
1
1
-
1
1
Runway designator: (no units)
Runway deposits: (no units)
Extent of runway contamination: (no units)
Depth of deposit: - (no units)
Friction coefficientbraking action: (no units)
Appendix 3 Annex 3 - Meteorological Service for International Air Navigation
Example A3-2. Special report
a) Local special report (same location and weather conditions as SPECl):
SPECIAL WDO 151 1152 WIND 050/25KT MAX37 MNM 10 VlS 1200M HVY TSRA CLD BKN CB 500FT T25
DP22 QNH 1008 HPA TREND TEMPO TL1200 VIS 600M BECMG AT1200 VIS 8KM NSW NSC
b) SPECI for YUDO (Donlon/Internationa I) *:
SPECI YUDO 151 1152 05025G37KT 3000 1200NE+TSRA BKNOOSCB 25/22 41008 TEMPO TL1200 0600 BECMG
AT1 200 8000 NSW NSC
Meaning of both reports:
Selected special report for Donlon/International* issued on the 15th of the month at 11 15 UTC; surface wind direction
050 degrees; wind speed 25 knots gusting between 10 and 37 knots (minimum wind speed not to be included in SPECI)
visibility 1 200 metres (along the runway(s) in the local special report); prevailing visibil'ity 3 000 metres (in SPECI) with
minimum visibility 1 200 metres to north east (directional variations to be included in SPECI only); thunderstorm with
heavy rain; broken cumulonimbus cloud at 500 feet; air temperature 25 degrees Celsius; dew-point temperature 22 degrees
Celsius; QNH 1 008 hectopascals; trend during next 2 hours, visibility (along the runway(s) in the local special report;
prevailing visibility in SPECI) temporarily 600 metres from 1115 to 1200, becoming at 1200 UTC visibility (along the
runway(s) in the local special report; prevailing visibility in SPECI) 8 kilometres, thunderstorm ceases and nil significant
weather and nil significant cloud.
* Fictitious location
Note.- In this example, the non-SI alternative units "knot" and 'yoot" were used for wind speed and height of cloud base, respectively.
However. in accordance with Annex 5, the corresponding primary units "kilometre per hour" and "metre" may be used instead.
Example A3-3. Volcanic activity report
VOLCANIC ACTIVITY REPORT WSB* 23 1500 MT TROJEEN* VOLCANO N5605 W 12652 ERUPTED 23 1445
LARGE ASH CLOUD EXTENDING TO APPROX 30000 FEET MOVING SW
Meaning:
Volcanic activity report issued by Siby/Bistock meteorological station at 1500 UTC on the 23rd of the month. Mt. Trojeen
volcano 56 degrees 5 minutes north 126 degrees 52 minutes west erupted at 1445 UTC on the 23rd; a large ash cloud
was observed extending to approximately 30 000 feet and moving in a south-westerly direction.
* Fictitious location
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