Publication: Magyar Közlöny
Issue: MK-2009-104 (Year: 2009, Number: 104)
Era: 2004-2010
Section: 
Paragraph Index: 567

d) other meteorological information, for example, from appropriate sensors located on existing masts or towers in the vicinity of the aerodrome or nearby areas of high ground. Appendix 6 Annex 3 — Meteorological Service for International Air Navigation APP 6-7 7/11/07 Note.— Wind shear conditions are normally associated with the following phenomena: — thunderstorms, microbursts, funnel cloud (tornado or waterspout), and gust fronts — frontal surfaces — strong surface winds coupled with local topography — sea breeze fronts — mountain waves (including low-level rotors in the terminal area) — low-level temperature inversions. 6.2 Format and dissemination of wind shear warnings and alerts Note.— Information on wind shear is also to be included as supplementary information in local routine and special reports and METAR and SPECI in accordance with the templates in Tables A3-1 and A3-2. 6.2.1 The wind shear warnings shall be issued in accordance with the template in Table A6-3 and shall be disseminated in accordance with local arrangements to those concerned. 6.2.2 The sequence number referred to in the template in Table A6-3 shall correspond with the number of wind shear warnings issued for the aerodrome since 0001 UTC on the day concerned. 6.2.3 Recommendation.— The use of text additional to the abbreviations listed in the template in Table A6-3 should be kept to a minimum. The additional text should be prepared in abbreviated plain language using approved ICAO abbreviations and numerical values. If no ICAO approved abbreviations are available, English plain language text should be used. 6.2.4 Recommendation.— When an aircraft report is used to prepare a wind shear warning, or to confirm a warning previously issued, the corresponding aircraft report, including the aircraft type, should be disseminated unchanged in accordance with local arrangements to those concerned. Note 1.— Following reported encounters by both arriving and departing aircraft, two different wind shear warnings may exist: one for arriving aircraft and one for departing aircraft. Note 2.— Specifications for reporting the intensity of wind shear are still undergoing development. It is recognized, however, that pilots, when reporting wind shear, may use the qualifying terms “moderate”, “strong” or “severe”, based to a large extent on their subjective assessment of the intensity of the wind shear encountered. 6.2.5 The wind shear alerts shall be disseminated from automated, ground-based, wind shear remote-sensing or detection equipment in accordance with local arrangements to those concerned. 6.2.6 Recommendation.— Where microbursts are observed, reported by pilots or detected by ground-based, wind shear detection or remote-sensing equipment, the wind shear warning and wind shear alert should include a specific reference to microburst. 6.2.7 Where information from ground-based, wind shear detection or remote-sensing equipment is used to prepare a wind shear alert, the alert shall, if practicable, relate to specific sections of the runway and distances along the approach path or take-off path as agreed between the meteorological authority, the appropriate ATS authority and the operators concerned. Annex 3 — Meteorological Service for International Air Navigation Appendix 6 7/11/07 APP 6-8 Table A6-1. Template for SIGMET and AIRMET messages and special air-reports (uplink) Key: M = inclusion mandatory, part of every message; C = inclusion conditional, included whenever applicable; = = a double line indicates that the text following it should be placed on the subsequent line. Note.— The ranges and resolutions for the numerical elements included in SIGMET/AIRMET messages and in special air-reports are shown in Table A6-4 of this appendix. Template(s) Element as specified in Chapter 5 and Appendix 6 Detailed content SIGMET AIRMET SPECIAL AIR-REPORT1 Examples Location indicator of FIR/CTA (M)2 ICAO location indicator of the ATS unit serving the FIR or CTA to which the SIGMET/AIRMET refers (M) nnnn — YUCC3 YUDD3 Identification (M) Message identification and sequence number4 (M) SIGMET [nn]n AIRMET [nn]n ARS SIGMET 5 SIGMET A3 AIRMET 2 ARS Validity period (M) Day-time groups indicating the period of validity in UTC (M) VALID nnnnnn/nnnnnn — 5 VALID 221215/221600 VALID 101520/101800 VALID 251600/252200 Location indicator of MWO (M) Location indicator of MWO originating the message with a separating hyphen (M) nnnn– YUDO— 3 YUSO— 3 Name of the FIR/CTA or aircraft identification (M) Location indicator and name of the FIR/CTA6 for which the SIGMET/AIRMET is issued or aircraft radiotelephony call sign (M) nnnn nnnnnnnnnn FIR[/UIR] or nnnn nnnnnnnnnn CTA nnnn nnnnnnnnnn FIR[/n] nnnnnn YUCC AMSWELL FIR3 YUDD SHANLON FIR/UIR3 YUCC AMSWELL FIR/23 YUDD SHANLON FIR3 VA812 IF THE SIGMET IS TO BE CANCELLED, SEE DETAILS AT THE END OF THE TEMPLATE. Phenomenon (M)7 Description of phenomenon causing the issuance of SIGMET/AIRMET (C) OBSC8 TS[GR9] EMBD10 TS[GR] FRQ11 TS[GR] SQL12 TS[GR] TC nnnnnnnnnn SEV TURB13 SEV ICE14 SEV ICE (FZRA)14 SEV MTW15 HVY DS HVY SS [VA ERUPTION] [MT nnnnnnnnnn] [LOC Nnn[nn] or Snn[nn] SFC WSPD nn[n]KMH (or SFC WSPD nn[n]KT) SFC VIS nnnnM (nn)16 ISOL17 TS[GR]9 OCNL18 TS[GR] MT OBSC BKN CLD nnn/[ABV]nnnnM (or BKN CLD nnn/[ABV]nnnnFT) OVC CLD nnn/[ABV]nnnnM (or OVC CLD nnn/[ABV]nnnnFT) TS TSGR SEV TURB SEV ICE SEV MTW HVY SS VA CLD [FL nnn/nnn] VA [MT nnnnnnnnnn] SEV TURB FRQ TS OBSC TSGR EMBD TSGR TC GLORIA VA ERUPTION MT ASHVAL LOC S15 E073 VA CLD MOD TURB MOD MTW ISOL CB BKN CLD 120/900M (BKN CLD 400/3000FT) Appendix 6 Annex 3 — Meteorological Service for International Air Navigation APP 6-9 7/11/07 Template(s) Element as specified in Chapter 5 and Appendix 6 Detailed content SIGMET AIRMET SPECIAL AIR-REPORT1 Examples Ennn[nn] or Wnnn[nn]] VA CLD RDOACT CLD ISOL17 CB19 OCNL18 CB FRQ11 CB ISOL17 TCU19 OCNL18 TCU19 FRQ11 TCU MOD TURB13 MOD ICE14 MOD MTW15 OVC CLD 270/ABV3000M (OVC CLD 900/ABV10000FT) SEV ICE RDOACT CLD Observed or forecast phenomenon (M) Indication whether the information is observed and expected to continue, or forecast (M) OBS [AT nnnnZ] FCST OBS AT nnnnZ OBS AT 1210Z OBS Location (C) Location (referring to latitude and longitude (in degrees and minutes) or locations or geographic features well known internationally) Nnn[nn] Wnnn[nn] or Nnn[nn] Ennn[nn] or Snn[nn] Wnnn[nn] or Snn[nn] Ennn[nn] or N OF Nnn[nn] or S OF Nnn[nn] or N OF Snn[nn] or S OF Snn[nn] or [AND] W OF Wnnn[nn] or E OF Wnnn[nn] or W OF Ennn[nn] or E OF Ennn[nn] or [N OF, NE OF, E OF, SE OF, S OF, SW OF, W OF, NW OF] [LINE] Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] or [N OF, NE OF, E OF, SE OF, S OF, SW OF, W OF, NW OF, AT] nnnnnnnnnnnn or WI Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] – [Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn]] NnnnnWnnnnn or NnnnnWnnnnn or SnnnnWnnnnn or SnnnnEnnnnn S OF N54 N OF N50 N2020 W07005 YUSB3 N2706 W07306 N48 E010 N OF N1515 AND W OF E13530 W OF E1554 N OF LINE S2520 W11510 - S2520 W12010 WI N6030 E02550 – N6055 E02500 – N6050 E02630 Level (C) Flight level and extent20(C) FLnnn or FLnnn/nnn or TOP FLnnn or [TOP] ABV FLnnn or [TOP] BLW FLnnn or BLW nnnnM (or BLW nnnnFT) or 21 CB TOP [ABV] FLnnn WI nnnKM OF CENTRE (or CB TOP [ABV] FLnnn WI nnnNM OF CENTRE) or CB TOP [BLW] FLnnn WI nnnKM OF CENTRE (or CB TOP [BLW] FLnnn WI nnnNM OF CENTRE) or 22 FLnnn/nnn [APRX nnnKM BY nnnKM] [nnKM WID LINE23 BTN (nnNM WID LINE BTN)] [Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] FLnnn FL180 FL050/080 TOP FL390 BLW FL200 TOP ABV FL100 FL310/450 CB TOP FL500 WI 270KM OF CENTRE (CB TOP FL500 WI 150NM OF CENTRE) FL310/350 APRX 220KM BY 35KM Annex 3 — Meteorological Service for International Air Navigation Appendix 6 7/11/07 APP 6-10 Template(s) Element as specified in Chapter 5 and Appendix 6 Detailed content SIGMET AIRMET SPECIAL AIR-REPORT1 Examples – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] [ – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn]] [ – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn]]] (or FLnnn/nnn [APRX nnnNM BY nnnNM] [Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] [ – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn]] [ – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn]]]) FL390 Movement or expected movement (C) Movement or expected movement (direction and speed) with reference to one of the eight points of compass, or stationary (C) MOV N [nnKMH] or MOV NE [nnKMH] or MOV E [nnKMH] or MOV SE [nnKMH] or MOV S [nnKMH] or MOV SW [nnKMH] or MOV W [nnKMH] or MOV NW[nnKMH] (or MOV N [nnKT] or MOV NE [nnKT] or MOV E [nnKT] or MOV SE [nnKT] or MOV S[nnKT] or MOV SW [nnKT] or MOV W [nnKT] or MOV NW [nnKT]) or STNR — MOV E 40KMH (MOV E 20KT) MOV SE STNR Changes in intensity (C) Expected changes in intensity (C) INTSF or WKN or NC — WKN Forecast position (C)20 Forecast position of volcanic ash cloud or the centre of the TC at the end of the validity period of the SIGMET message (C) FCST nnnnZ TC CENTRE Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] or FCST nnnnZ VA CLD APRX [nnKM WID LINE23 BTN (nnNM WID LINE BTN)] Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] [ – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn]] [ – Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn]] — — FCST 2200Z TC CENTRE N2740 W07345 FCST 1700Z VA CLD APRX S15 E075 – S15 E081 – S17 E083 – S18 E079 – S15 E075 OR Cancellation of SIGMET/ AIRMET24(C) Cancellation of SIGMET/AIRMET referring to its identification CNL SIGMET [nn]n nnnnnn/nnnnnn or CNL SIGMET [nn]n nnnnnn/nnnnnn [VA MOV TO nnnn FIR]22 CNL AIRMET [nn]n nnnnnn/nnnnnn — CNL SIGMET 2 101200/10160024 CNL SIGMET 3 251030/251430 VA MOV TO YUDO FIR24 CNL AIRMET 151520/15180024 Notes.— 1. No wind and temperature to be uplinked to other aircraft in flight in accordance with 3.2. 2. See 4.1. 3. Fictitious location. 4. In accordance with 1.1.3 and 2.1.2. 5. See 3.1. 6. See 2.1.3. 7. In accordance with 1.1.4 and 2.1.4. 8. In accordance with 4.2.1 a). Appendix 6 Annex 3 — Meteorological Service for International Air Navigation APP 6-11 7/11/07 9. In accordance with 4.2.4.

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