--- title: "MET.TR.115 – MET.TR.275: SUBPART B — TECHNICAL REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES (MET.TR) (SPECIFIC REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES, ATM/ANS) — rule index · Avioverse" description: "MET.TR.115 – MET.TR.275, Regulation (EU) 2017/373. Meteorological bulletins shall be disseminated using specified data types and code forms appropriate…" url: "https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b" --- # SUBPART B — TECHNICAL REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES (MET.TR) SPECIFIC REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES · Air Traffic Management / Air Navigation Services · Regulation (EU) 2017/373 · MET.TR.115 – MET.TR.275 On this page 1. ## [MET.TR.115 Meteorological bulletins](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-115) Meteorological bulletins shall be disseminated using specified data types and code forms appropriate to the information being provided. [AMC1 MET.TR.115(a) Meteorological bulletins](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-115#amc1-met-tr-115-a) [GM1 MET.TR.115(a) Meteorological bulletins](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-115#gm1-met-tr-115-a) [GM2 MET.TR.115(a) Meteorological bulletins](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-115#gm2-met-tr-115-a) [GM3 MET.TR.115(a) Meteorological bulletins](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-115#gm3-met-tr-115-a) 2. ## [MET.TR.200 Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200) Local routine report, local special report, METAR and SPECI shall contain the following elements in the order indicated: [AMC1 MET.TR.200(a) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#amc1-met-tr-200-a) [GM1 MET.TR.200(a) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm1-met-tr-200-a) [GM2 MET.TR.200(a) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm2-met-tr-200-a) [GM1 MET.TR.200(a)(2) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm1-met-tr-200-a-2) [AMC1 MET.TR.200(a)(4) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#amc1-met-tr-200-a-4) [GM1 MET.TR.200(a)(4) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm1-met-tr-200-a-4) [AMC1 MET.TR.200(a)(12) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#amc1-met-tr-200-a-12) [AMC2 MET.TR.200(a)(12) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#amc2-met-tr-200-a-12) [AMC3 MET.TR.200(a)(12) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#amc3-met-tr-200-a-12) [AMC4 MET.TR.200(a)(12) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#amc4-met-tr-200-a-12) [AMC5 MET.TR.200(a)(12) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#amc5-met-tr-200-a-12) [GM1 MET.TR.200(a)(12) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm1-met-tr-200-a-12) [GM2 MET.TR.200(a)(12) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm2-met-tr-200-a-12) [GM3 MET.TR.200(a)(12) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm3-met-tr-200-a-12) [GM1 MET.TR.200(b) & (c) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm1-met-tr-200-b) [GM1 MET.TR.200(b) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm1-met-tr-200-b-2) [AMC1 MET.TR.200(c) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#amc1-met-tr-200-c) [GM1 MET.TR.200(e)(5) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm1-met-tr-200-e-5) [GM1 MET.TR.200(f) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#gm1-met-tr-200-f) [AMC1 MET.TR.200(f)(8) Meteorological reports and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-200#amc1-met-tr-200-f-8) 3. ## [MET.TR.205 Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205) Surface wind direction and speed (1) In local routine report, local special report, METAR and SPECI, the surface wind direction and speed shall be… [GM1 MET.TR.205(a)(3)(iii) (A) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#gm1-met-tr-205-a-3-iii) [AMC1 MET.TR.205(b)(1) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-b-1) [AMC1 MET.TR.205(b)(3) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-b-3) [AMC1 MET.TR.205(c) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-c) [AMC1 MET.TR.205(c)(1) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-c-1) [AMC1 MET.TR.205(c)(3) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-c-3) [AMC1 MET.TR.205(c)(4)(iii) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-c-4-iii) [AMC1 MET.TR.205(d) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-d) [AMC2 MET.TR.205(d) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc2-met-tr-205-d) [AMC3 MET.TR.205(d) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc3-met-tr-205-d) [AMC1 MET.TR.205(d)(3) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-d-3) [AMC2 MET.TR.205(d)(3) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc2-met-tr-205-d-3) [GM1 MET.TR.205(d)(3)(i) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#gm1-met-tr-205-d-3-i) [AMC1 MET.TR.205(e)(1) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-e-1) [AMC2 MET.TR.205(e)(1) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc2-met-tr-205-e-1) [AMC1 MET.TR.205(e)(3) Reporting of meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-205#amc1-met-tr-205-e-3) 4. ## [MET.TR.210 Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210) The following meteorological elements shall be observed and/or measured with specified accuracy and disseminated by automatic or semi-automatic… [AMC1 MET.TR.210 Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210) [GM1 MET.TR.210 Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm1-met-tr-210) [GM2 MET.TR.210 Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm2-met-tr-210) [AMC1 MET.TR.210(a) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-a) [GM1 MET.TR.210(a) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm1-met-tr-210-a) [AMC1 MET.TR.210(a)(1) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-a-1) [GM1 MET.TR.210(a)(1) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm1-met-tr-210-a-1) [AMC1 MET.TR.210(a)(2) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-a-2) [AMC1 MET.TR.210(a)(3) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-a-3) [GM1 MET.TR.210(a)(3)(ii) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm1-met-tr-210-a-3-ii) [AMC1 MET.TR.210(b)(1) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-b-1) [AMC1 MET.TR.210(b)(2) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-b-2) [AMC1 MET.TR.210(b)(4) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-b-4) [GM1 MET.TR.210(b)(4) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm1-met-tr-210-b-4) [AMC1 MET.TR.210(c) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-c) [GM1 MET.TR.210(c) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm1-met-tr-210-c) [AMC1 MET.TR.210(c)(2) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-c-2) [AMC1 MET.TR.210(c)(3) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-c-3) [GM1 MET.TR.210(c)(3) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm1-met-tr-210-c-3) [GM2 MET.TR.210(c)(3) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm2-met-tr-210-c-3) [GM1 MET.TR.210(c)(5)(ii) (B) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#gm1-met-tr-210-c-5-ii) [AMC1 MET.TR.210(d)(1) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-d-1) [AMC1 MET.TR.210(d)(2) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-d-2) [AMC1 MET.TR.210(e) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-e) [AMC1 MET.TR.210(e)(2) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-e-2) [AMC1 MET.TR.210(f) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-f) [AMC1 MET.TR.210(g)(3) Observing meteorological elements](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-210#amc1-met-tr-210-g-3) 5. ## [MET.TR.215 Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215) Meteorological information for operators and flight crew members shall: [AMC1 MET.TR.215(a) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc1-met-tr-215-a) [AMC2 MET.TR.215(a) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc2-met-tr-215-a) [AMC3 MET.TR.215(a) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc3-met-tr-215-a) [GM1 MET.TR.215(a) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm1-met-tr-215-a) [GM1 MET.TR.215(b) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm1-met-tr-215-b) [GM2 MET.TR.215(b) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm2-met-tr-215-b) [AMC1 MET.TR.215(d)(5) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc1-met-tr-215-d-5) [AMC1 MET.TR.215(e) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc1-met-tr-215-e) [AMC1 MET.TR.215(e)(1) & (2) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc1-met-tr-215-e-1) [GM1 MET.TR.215(e)(1) & (2) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm1-met-tr-215-e-1) [AMC2 MET.TR.215(e)(1) & (2) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc2-met-tr-215-e-1) [AMC1 MET.TR.215(f) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc1-met-tr-215-f) [AMC2 MET.TR.215(f) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc2-met-tr-215-f) [GM1 MET.TR.215(f) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm1-met-tr-215-f) [GM2 MET.TR.215(f) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm2-met-tr-215-f) [GM1 MET.TR.215(g) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm1-met-tr-215-g) [AMC1 MET.TR.215(i) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc1-met-tr-215-i) [AMC2 MET.TR.215(i) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc2-met-tr-215-i) [AMC3 MET.TR.215(i) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc3-met-tr-215-i) [AMC4 MET.TR.215(i) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc4-met-tr-215-i) [AMC5 MET.TR.215(i) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc5-met-tr-215-i) [AMC6 MET.TR.215(i) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#amc6-met-tr-215-i) [GM1 MET.TR.215(i) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm1-met-tr-215-i) [GM2 MET.TR.215(i) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm2-met-tr-215-i) [GM3 MET.TR.215(i) Forecasts and other information](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-215#gm3-met-tr-215-i) 6. ## [MET.TR.220 Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220) Aerodrome forecasts and amendments thereto shall be issued as a TAF and shall include, in the order indicated, the: [GM1 MET.TR.220 Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#gm1-met-tr-220) [GM2 MET.TR.220 Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#gm2-met-tr-220) [GM3 MET.TR.220 Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#gm3-met-tr-220) [GM1 MET.TR.220(a)(8) Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#gm1-met-tr-220-a-8) [AMC1 MET.TR.220(b) Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#amc1-met-tr-220-b) [AMC1 MET.TR.220(c) Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#amc1-met-tr-220-c) [GM1 MET.TR.220(e)(2)(i) Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#gm1-met-tr-220-e-2-i) [AMC1 MET.TR.220(f) Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#amc1-met-tr-220-f) [GM1 MET.TR.220(f)(1) Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#gm1-met-tr-220-f-1) [AMC1 MET.TR.220(g) Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#amc1-met-tr-220-g) [GM1 MET.TR.220(g) Aerodrome forecasts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-220#gm1-met-tr-220-g) 7. ## [MET.TR.225 Forecasts for landing](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-225) TREND forecasts shall be issued in accordance with Appendix 1. [AMC1 MET.TR.225(c)(1)(iii) Forecasts for landing](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-225#amc1-met-tr-225-c-1-iii) [GM1 MET.TR.225(c)(2)(iii) Forecasts for landing](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-225#gm1-met-tr-225-c-2-iii) [AMC1 MET.TR.225(c)(7)(ii) Forecasts for landing](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-225#amc1-met-tr-225-c-7-ii) [GM1 MET.TR.225(c)(7)(ii) Forecasts for landing](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-225#gm1-met-tr-225-c-7-ii) [AMC1 MET.TR.225(c)(7)(iii) Forecasts for landing](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-225#amc1-met-tr-225-c-7-iii) 8. ## [MET.TR.230 Forecasts for take-off](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-230) A forecast for take-off shall refer to a specified period of time and shall contain information on expected conditions over the runway complex in regard… [AMC1 MET.TR.230(a) Forecasts for take-off](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-230#amc1-met-tr-230-a) 9. ## [MET.TR.235 Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235) Wind shear warnings shall be issued in accordance with the template in Appendix 4. [AMC1 MET.TR.235 Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#amc1-met-tr-235) [GM1 MET.TR.235 Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#gm1-met-tr-235) [GM2 MET.TR.235 Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#gm2-met-tr-235) [GM3 MET.TR.235 Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#gm3-met-tr-235) [AMC1 MET.TR.235(a) Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#amc1-met-tr-235-a) [AMC1 MET.TR.235(c) Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#amc1-met-tr-235-c) [GM1 MET.TR.235(a) Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#gm1-met-tr-235-a) [GM2 MET.TR.235(a) Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#gm2-met-tr-235-a) [GM1 MET.TR.235(c) Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#gm1-met-tr-235-c) [GM1 MET.TR.235(d) Aerodrome warnings and wind shear warnings and alerts](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-235#gm1-met-tr-235-d) 10. ## [MET.TR.250 SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250) SIGMET shall be issued in accordance with the template shown in Appendix 5. [AMC1 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#amc1-met-tr-250-a) [AMC2 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#amc2-met-tr-250-a) [AMC3 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#amc3-met-tr-250-a) [AMC4 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#amc4-met-tr-250-a) [GM1 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#gm1-met-tr-250-a) [GM2 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#gm2-met-tr-250-a) [GM3 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#gm3-met-tr-250-a) [GM4 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#gm4-met-tr-250-a) [GM5 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#gm5-met-tr-250-a) [GM6 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#gm6-met-tr-250-a) [GM7 MET.TR.250(a) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#gm7-met-tr-250-a) [AMC1 MET.TR.250(c) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#amc1-met-tr-250-c) [AMC1 MET.TR.250(d) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#amc1-met-tr-250-d) [GM1 MET.TR.250(d) SIGMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-250#gm1-met-tr-250-d) 11. ## [MET.TR.255 AIRMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-255) AIRMET shall be issued in accordance with the template shown in Appendix 5. [AMC1 MET.TR.255(a) AIRMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-255#amc1-met-tr-255-a) [GM1 MET.TR.255(a) AIRMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-255#gm1-met-tr-255-a) [GM2 MET.TR.255(a) AIRMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-255#gm2-met-tr-255-a) [GM1 MET.TR.255(b) AIRMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-255#gm1-met-tr-255-b) [GM1 MET.TR.255(c) AIRMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-255#gm1-met-tr-255-c) [AMC1 MET.TR.255(d) AIRMET](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-255#amc1-met-tr-255-d) 12. ## [MET.TR.260 Area forecasts for low-level flights](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-260) When chart form is used for area forecasts for low-level flights, the forecast of upper wind and upper-air temperature shall be issued for points… [AMC1 MET.TR.260 Area forecasts for low-level flights](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-260#amc1-met-tr-260) 13. ## [MET.TR.265 Volcanic ash advisory centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-265) The advisory information on volcanic ash shall be issued in accordance with the template shown in Appendix 6. [AMC1 MET.TR.265 Volcanic ash advisory centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-265#amc1-met-tr-265) [AMC2 MET.TR.265 Volcanic ash advisory centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-265#amc2-met-tr-265) [GM1 MET.TR.265 Volcanic ash advisory centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-265#gm1-met-tr-265) 14. ## [MET.TR.270 Tropical cyclone advisory centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-270) The advisory information on tropical cyclones shall be issued in accordance with the template shown in Appendix 7 for tropical cyclones when the maximum… [AMC1 MET.TR.270 Tropical cyclone advisory centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-270#amc1-met-tr-270) [AMC2 MET.TR.270 Tropical cyclone advisory centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-270#amc2-met-tr-270) [GM1 MET.TR.270 Tropical cyclone advisory centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-270#gm1-met-tr-270) 15. ## [MET.TR.275 World area forecast centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-275) WAFCs shall use processed meteorological data in the form of grid point values for the supply of gridded global forecasts and forecasts of significant… [AMC1 MET.TR.275(a) World area forecast centres (WAFCs) responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-275#amc1-met-tr-275-a) [AMC2 MET.TR.275(a) World area forecast centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-275#amc2-met-tr-275-a) [GM1 MET.TR.275(b)(3) World area forecast centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-275#gm1-met-tr-275-b-3) [GM2 MET.TR.275(b)(3) World area forecast centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-275#gm2-met-tr-275-b-3) [GM3 MET.TR.275(b)(3) World area forecast centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-275#gm3-met-tr-275-b-3) [AMC1 MET.TR.275(c) World area forecast centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-275#amc1-met-tr-275-c) [AMC1 MET.TR.275(d) World area forecast centre responsibilities](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-275#amc1-met-tr-275-d) Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, extracted 13 Oct 2026) for convenience. 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