What does 'VIS 350M CAVOK' mean in a meteorological report?

'VIS 350M CAVOK' indicates a visibility of 350 meters and CAVOK (Ceiling And Visibility OK), meaning there are no clouds below 5000 ft, visibility is 10 km or more, and there are no significant weather phenomena.

Under which EASA regulation does MET.TR.200(a) fall?

MET.TR.200(a) falls under the ATM /ANS - Provision of Services (Regulation (EU) 2017/373).

What is the meaning of 'TREND BECMG FM1030 TL1130 CAVOK' in a trend forecast?

'TREND BECMG FM1030 TL1130 CAVOK' means that the trend forecast is becoming CAVOK (Ceiling And Visibility OK) from 10:30 until 11:30.

Where can I find examples of mandatory, conditional, and optional elements for local routine reports?

Consult the 'local routine report' and 'local special report' template in AMC1 MET.TR.200(a) to identify the mandatory (M), the conditional (C) or the optional (O) elements.

Where can I find the ranges and resolutions for numerical elements in local routine reports?

The ranges and resolutions for the numerical elements included in local routine reports and local special reports are provided in GM1 MET.TR.200(a).

What elements are included in local routine and special meteorological reports according to EASA?

Local routine and special reports include elements like the type of report, location indicator, time of observation, surface wind, visibility, runway visual range, present weather, cloud conditions, air temperature, dew-point temperature, pressure values, supplementary information, and trend forecast.

GM2 MET.TR.200(a) Meteorological reports and other information

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ED Decision 2022/004/R

LOCAL ROUTINE REPORT AND LOCAL SPECIAL REPORT — EXAMPLES OF ELEMENTS

Non-exhaustive examples of the different elements used in the formulation of local routine reports and local special reports are provided below.

Local routine report and local special report — Examples of elements Note 1: Consult the ‘local routine report’ and the ‘local special report’ template in AMC1 MET.TR.200(a) to identify the mandatory (M), the conditional (C) or the optional (O) elements. Note 2: The ranges and resolutions for the numerical elements included in local routine reports and local special reports are provided in GM1 MET.TR.200(a). Note 3: The row numbers in the ‘Ref.’ column are included only for clarity and ease of reference, and are not part of the report. They do not correlate with the ‘Ref.’ column in AMC1 MET.TR.200(a). Refer to the ‘Element’ column when cross-referencing.
Ref.	Element	Examples
1	Identification of the type of report	MET REPORT SPECIAL
2	Location indicator	YUDO
3	Time of the observation	221630Z
4	Identification of an automated report	AUTO
5	Surface wind	WIND 240/8KT WIND RWY 18 TDZ 190/12KT WIND VRB2KT WIND CALM WIND VRB BTN 350/ AND 050/2KT WIND 270/ABV99KT WIND 120/6KT MAX18 MNM4 WIND 020/10KT VRB BTN 350/ AND 070/ WIND RWY 14R MID 140/12KT WIND RWY 27 TDZ 240/16KT MAX28 MNM10 END 250/14KT
6	Visibility	VIS 350M CAVOK VIS 7KM VIS 10KM VIS RWY 09 TDZ 800M END 1200M VIS RWY 18C TDZ 6KM RWY 27 TDZ 4000M
7	Runway visual range	RVR RWY 32 400M RVR RWY 20 1600M RVR RWY 10L BLW 50M RVR RWY 14 ABV 2000M RVR RWY 12 TDZ 1100M MID ABV 2000M RVR RWY 16 TDZ 600M MID 500M END 400M RVR RWY 26 500M RWY 20 800M
8	Present weather	MOD RA HVY TSRA HVY DZ FBL SN HZ FG VA MIFG HVY TSRASN FBL SNRA FBL DZ FG HVY SHSN BLSN HVY TSUP //
9	Cloud	CLD NSC CLD SCT 1000FT OVC 2000FT CLD OBSC VER VIS 500FT CLD BKN TCU 900FT CLD RWY 08R BKN 200FT RWY 26 BKN 300FT CLD /// CB ///FT CLD /// CB 1200FT CLD NCD
10	Air temperature	T17 TMS08
11	Dew-point temperature	DP15 DPMS18
12	Pressure values	QNH 0995HPA QNH 1009HPA QNH 1022HPA QFE 1001HPA QNH 0987HPA QFE RWY 18 0956HPA RWY 24 0955HPA
13	Supplementary information	FC IN APCH WS IN APCH 180FT-WIND 360/26KT WS RWY 12 REFZRA CB IN CLIMB-OUT RETSRA
14	Trend forecast	TREND NOSIG TREND BECMG FEW 2000FT TREND TEMPO 250/36KT MAX50 TREND BECMG AT1800 VIS 10KM NSW TREND BECMG TL1700 VIS 800M FG TREND BECMG FM1030 TL1130 CAVOK TREND TEMPO TL1200 VIS 600M BECMG AT1230 VIS 8KM NSW CLD NSC TREND TEMPO FM0300 TL0430 MOD FZRA TREND BECMG FM1900 VIS 500M HVY SNRA TREND BECMG FM1100 MOD SN TEMPO FM1130 BLSN TREND BECMG AT1130 CLD OVC 1000FT TREND TEMPO TL1530 HVY SHRA CLD BKN CB 1200FT

Details

Source-Title: GM2 MET.TR.200(a) Meteorological reports and other information View latest amendments

Erulesid: ERULES-1963177438-19586 Compare versions

Domain: Air traffic management/Air navigation services

Applicabilitydate: 13 June, 2022

Entryintoforcedate: 15 March, 2022

Regulatorysource: ED Decision 2022/004/R Navigate

Regulatorysubject: Part-MET

Typeofcontent: GM to IR (Guidance material to implementing rule)

Parentir: MET.TR.200 Meteorological reports and other information

Origin: EASA

Category: EAR