---
title: "MET.TR.270 Tropical cyclone advisory centre responsibilities — SPECIFIC REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES, ATM/ANS · Avioverse"
description: "The advisory information on tropical cyclones shall be issued in accordance with the template shown in Appendix 7 for tropical cyclones when the maximum…"
url: "https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b/met-tr-270"
---

# MET.TR.270 Tropical cyclone advisory centre responsibilities

SPECIFIC REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

IR Implementing rule

## MET.TR.270 Tropical cyclone advisory centre responsibilities

The advisory information on tropical cyclones shall be issued in accordance with the template shown in Appendix 7 for tropical cyclones when the maximum of the 10-minute mean surface wind speed is expected to reach or exceed 34 kt during the period covered by the advisory.

IR · MET.TR.270 — Regulation (EU) 2017/373 · Regulation (EU) 2021/1338 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

AMC Acceptable means of compliance

## AMC1 MET.TR.270 Tropical cyclone advisory centre responsibilities

TROPICAL CYCLONE ADVISORY — CODE FORM

Tropical cyclone advisory should be disseminated using:

(a) the IWXXM GML form as specified in point (a) of AMC1 MET.TR.115(a);

(b) abbreviated plain language as specified in point (c) of AMC1 MET.TR.115(a).

AMC · AMC1 MET.TR.270 — Regulation (EU) 2017/373 · ED Decision 2022/004/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

AMC Acceptable means of compliance

## AMC2 MET.TR.270 Tropical cyclone advisory centre responsibilities

TROPICAL CYCLONE ADVISORY — GRAPHICAL FORMAT

The tropical cyclone advisory information listed in Appendix 7 to Annex V (Part-MET) to Regulation (EU) 2017/373, when prepared in graphical format, should be as specified below and issued using the portable network graphics (PNG) format as specified in point (f) of AMC1 MET.TR.115(a):

\[Figure or form omitted from this preview — available in the Avioverse workspace library.]

Example of tropical cyclone advisory in graphical format from the La Réunion TCAC.

Note: The example above is based on a real event.

AMC · AMC2 MET.TR.270 — Regulation (EU) 2017/373 · ED Decision 2022/004/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 MET.TR.270 Tropical cyclone advisory centre responsibilities

ADVISORY FOR TROPICAL CYCLONES — EXAMPLE

| TC ADVISORY DTG: 20170214/0600z TCAC: REUNION TC: DINEO ADVISORY NR: 2004/4 OBS PSN: 14/0600Z S2220 E03849 CB: WI 300NM OF TC CENTRE TOP FL500 MOV: SW 05KT INTST CHANGE: INTSF C:985HPA MAX WIND:50KT FCST PSN +06HR:14/1200Z S2236 E03831 FCST MAX WIND +06HR:55KT FCST PSN +12HR:14/1800Z S2251 E03812 FCST MAX WIND +12HR:60KT FCST PSN +18HR:15/0000Z S2304 E03748 FCST MAX WIND +18HR:70KT FCST PSN +24HR:15/0600Z S2316 E03712 FCST MAX WIND +24HR:80KT RMK:NIL NXT MSG:20170214/1200Z |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

GM · GM1 MET.TR.270 — Regulation (EU) 2017/373 · ED Decision 2022/004/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in SUBPART B — TECHNICAL REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES (MET.TR)](https://avioverse.aero/regulations/easa/atm-ans/part-met/subpart-b)

Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.