Publication: Magyar Közlöny
Issue: MK-2009-104 (Year: 2009, Number: 104)
Era: 2004-2010
Section: 
Paragraph Index: 548

b) the elements in area forecasts for low-level flights as given in Table A5-4 except elements concerning: 1) upper winds and temperatures; and 2) forecast QNH. Note.— Guidance on the use of terms “ISOL”, “OCNL” and “FRQ” referring to cumulonimbus and towering cumulus clouds, and thunderstorms is given in Appendix 6. 4.4 Exchange of area forecasts for low-level flights Area forecasts for low-level flights prepared in support of the issuance of AIRMET information shall be exchanged between meteorological offices responsible for the issuance of flight documentation for low-level flights in the flight information regions concerned. 7/11/07 Annex 3 — Meteorological Service for International Air Navigation Appendix 5 7/11/07 APP 5-10 5/11/08 No. 74 Table A5-1. Template for TAF Key: M = inclusion mandatory, part of every message; C = inclusion conditional, dependent on meteorological conditions or method of observation; O = inclusion optional. Note 1.— The ranges and resolutions for the numerical elements included in TAF are shown in Table A5-3 of this appendix. Note 2.— The explanations for the abbreviations can be found in the Procedures for Air Navigation Services — ICAO Abbreviations and Codes (PANS-ABC, Doc 8400). Element as specified in Chapter 6 Detailed content Template(s) Examples Identification of the type of forecast (M) Type of forecast (M) TAF or TAF AMD or TAF COR TAF TAF AMD Location indicator (M) ICAO location indicator (M) nnnn YUDO1 Time of issue of forecast (M) Day and time of issue of the forecast in UTC (M) nnnnnnZ 160000Z Identification of a missing forecast (C) Missing forecast identifier (C) NIL NIL END OF TAF IF THE FORECAST IS MISSING. Days and period of validity of forecast (M) Days and period of the validity of the forecast in UTC (M) nnnn/nnnn 1606/1624 0812/0918 Identification of a cancelled forecast (C) Cancelled forecast identifier (C) CNL CNL END OF TAF IF THE FORECAST IS CANCELLED. Wind direction (M) nnn or VRB2 24015KMH; VRB04KMH (24008KT); (VRB02KT) 19022KMH (19011KT) Wind speed (M) [P]nn[n] 00000KMH (00000KT) 140P199KMH (140P99KT) Significant speed variations (C)3 G[P]nn[n] Surface wind (M) Units of measurement (M) KMH (or KT) 12012G35KMH (12006G18KT) 24032G54KMH (24016G27KT) Visibility (M) Prevailing visibility (M) nnnn C A V O K CAVOK Weather (C)4, 5 Intensity of weather phenomena (C)6 – or + — Characteristics and type of weather phenomena (C)7 DZ or RA or SN or SG or PL or DS or SS or FZDZ or FZRA or SHGR or IC or FG or BR or SA or DU or HZ or FU or VA or SQ or PO or FC or TS or BCFG or RA HZ +TSRA FG –FZDZ PRFG +TSRASN SNRA FG Appendix 5 Annex 3 — Meteorological Service for International Air Navigation APP 5-11 7/11/07 5/11/08 No. 74 Element as specified in Chapter 6 Detailed content Template(s) Examples SHGS or SHRA or SHSN or TSGR or TSGS or TSRA or TSSN BLDU or BLSA or BLSN or DRDU or DRSA or DRSN or FZFG or MIFG or PRFG Cloud amount and height of base or vertical visibility (M) FEWnnn or SCTnnn or BKNnnn or OVCnnn VVnnn or VV/// NSC FEW010 VV005 OVC020 VV/// NSC SCT005 BKN012 Cloud (M)8 Cloud type (C)4 CB — SCT008 BKN025CB Name of the element (M) TX Maximum temperature (M) [M]nn/ Day and time of occurrence of the maximum temperature (M) nnnnZ Name of the element (M) TN Minimum temperature (M) [M]nn/ Temperature (O)9 Day and time of occurrence of the minimum temperature (M) nnnnZ TX25/1013Z TN09/1005Z TX05/2112Z TNM02/2103Z Change or probability indicator (M) PROB30 [TEMPO] or PROB40 [TEMPO] or BECMG or TEMPO or FM Expected significant changes to one or more of the above elements during the period of validity (C)4, 10 Period of occurrence or change (M) nnnn/nnnn Wind (C)4 nnn[P]nn[n][G[P]nn[n]]KMH or VRBnnKMH (or nnn[P]nn[G[P]nn]KT or VRBnnKT) TEMPO 0815/0818 25070G100KMH (TEMPO 0815/0818 25035G50KT) TEMPO 2212/2214 17025G50KMH 1000 TSRA SCT010CB BKN020 (TEMPO 2212/2214 17012G25KT 1000 TSRA SCT010CB BKN020) Prevailing visibility (C)4 nnnn BECMG 3010/3011 00000KMH 2400 OVC010 (BECMG 3010/3011 00000KT 2400 OVC010) PROB30 1412/1414 0800 FG Weather phenomenon: intensity (C)6 – or + — NSW C A V O K BECMG 1412/1414 RA TEMPO 2503/2504 FZRA TEMPO 0612/0615 BLSN PROB40 TEMPO 2923/3001 0500 FG Weather phenomenon: characteristics and type (C)4, 7 DZ or RA or SN or SG or PL or DS or SS or FZDZ or FZRA or SHGR or SHGS or IC or FG or BR or SA or DU or HZ or FU or VA or SQ or PO or FC or TS or BCFG or BLDU or Annex 3 — Meteorological Service for International Air Navigation Appendix 5 7/11/07 APP 5-12 5/11/08 No. 74 Element as specified in Chapter 6 Detailed content Template(s) Examples SHRA or SHSN or TSGR or TSGS or TSRA or TSSN BLSA or BLSN or DRDU or DRSA or DRSN or FZFG or MIFG or PRFG Cloud amount and height of base or vertical visibility (C)4 FEWnnn or SCTnnn or BKNnnn or OVCnnn VVnnn or VV/// FM051230 15015KMH 9999 BKN020 (FM051230 15008KT 9999 BKN020) BECMG 1618/1620 8000 NSW NSC Cloud type (C)4 CB — NSC BECMG 2306/2308 SCT015CB BKN020 Notes.— 1. Fictitious location. 2. To be used in accordance with 1.2.1. 3. To be included in accordance with 1.2.1. 4. To be included whenever applicable. 5. One or more, up to a maximum of three, groups in accordance with 1.2.3. 6. To be included whenever applicable in accordance with 1.2.3. No qualifier for moderate intensity. 7. Weather phenomena to be included in accordance with 1.2.3. 8. Up to four cloud layers in accordance with 1.2.4. 9. To be included in accordance with 1.2.5.

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