______
COMMISSION FOR BASIC SYSTEMS
OPAG ON INFORMATION SYSTEMS & SERVICES
Joint implementation-coordination meeting on the GTS-WIS MTN and meeting of the CBS Expert Team on GTS-WIS operations and implementation
Geneva, 16-19 May 2006 / ISS/ICM-MTN & ET-OI 2005/Doc.4.1
(I.V.2006)
Agenda Item 4
ENGLISH only
Format of bulletins related to aeronautical meteorology
(Submitted by the Secretariat)
Summary and Purpose of the Document
This document presents specific requirements for aeronautical meteorology and proposals to satisfy these requirements.
ACTION PROPOSED
The meeting is invited to review the specific requirements for aeronautical meteorology described in the document and the proposals to satisfy these requirements given in paragraphs 6, 7, 13 and 15.
Appendices: A. Bulletins with T1T2 = FA included in the catalogue of meteorological bulletins (Volume C1) - April 2006
B. Bulletins with T1T2 = UA included in the catalogue of meteorological bulletins (Volume C1) – April 2006
C. Bulletins with T1T2 = UA received during the January 2006 SMM exercise
ISS/ICM-MTN & ET-OI/ Doc. 4.1, p. 2
Allocation of abbreviated headings for GAMET bulletins and special aircraft reports for volcanic ash
Background
1. T1T2 = FA is allocated to aviation area /GAMET/advisories data types presented in FM 53 (ARFOR)/[TEXT]. ICAO invited WMO to introduce an exclusive header for GAMET bulletins.
2. T1T2 = UA is allocated to aircraft reports presented in FM 41 (CODAR) and ICAO AIREP. ICAO invited WMO to introduce an exclusive header for special aircraft reports, in particular for volcanic ash.
Proposal
3. Noting the limitation in the availability of designators T1T2, it is proposed to use different series of the two digits ii for the different types of data.
4. The bulletins with T1T2 = FA included in the catalogue of meteorological bulletins (Volume C1) are given in Annex 1. For T1T2 = FA, there are no bulletins with ii above 41.
5. The bulletins with T1T2 = UA included in the catalogue of meteorological bulletins (Volume C1) are given in Annex 2. The bulletins received during the July 2005 SMM exercise are given in Annex 3. For T1T2 = UA, there are no bulletins with ii in the series 60-79, and only a few bulletins in the series 80-99.
6. Since there is only one CODAR bulletin (UAXX01 EDZW) mentioned in Volume C1 with T1T2= UA and since T1T2 = UT is also allocated to CODAR bulletins, it is proposed to delete the allocation T1T2 = UA for FM 41 (CODAR) in Table B1 of Attachment II-5.
7. In order to ensure a smooth transition in the changes of abbreviated headings, it is proposed to allocate the ii as follows:
Table D3
Designator ii
(when T1T2 = FA, UA)
T1T2 / Designator ii / DATA TYPE / CODE FORM (NAME)FA / 01 to 49 / Aviation area /advisories / FM 53 (ARFOR)/[TEXT]
50 to 59 / GAMET / [TEXT]
60 to 99 / Not assigned
UA / 01 to 59 / Routine aircraft reports / ICAO AIREP
60 to 69 / Special aircraft reports, except for volcanic ash
70 to 79 / Special aircraft reports related to volcanic ash
80 to 99 / Routine aircraft reports (Note 1)
Note 1: the series 80-99 are allocated to routine aircraft reports up to 1 September 20xx (to be defined). After 1 September 20xx, the series should be reserved for future use.
Discrepancy between WMO documents concerning the issuance and the data-type designator of 12-hour TAF
Background
8. ICAO Annex 3/WMO Technical Regulations (C.3.1) paragraph 6.2.6 reads (prior to draft Amendment 74[1]):
9. Recommendation: The period of validity of a routine TAF should be not less than 9 hours nor more than 24 hours; this period should be determined by regional air navigation agreement. Routine TAF valid for less than 12 hours should be issued every 3 hours and those valid for 12 to 24 hours should be issued every 6 hours.
10. Those TAF issued every 3 hours are expected to use the data type designator FC while those issued every 6 hours should use the data type designator FT. This distinction is becoming increasingly important in view of the growing use of automatic data processing systems.
11. The WMO Manual on the Global Telecommunication System (WMO ─ No. 386) in Attachment II-5, Table B1 contains the following entries:
C / Aerodrome (VT£ 12 hours) / FM 51 (TAF)
— — — — — — — —
T / Aerodrome (VT > 12 hours) / FM 51 (TAF)
12. The implication of the above is that there is a contradiction between the two above documents, i.e. a forecast of duration 12 hours should be issued every 6 hours according to ICAO Annex 3/WMO Technical Regulations (C.3.1) while its data-type designator in Table B1 of Attachment II-5 to the Manual on the Global Telecommunication would imply that these forecasts should be issued every 3 hours.
Proposal
13. This problem would be resolved by amending the data-type designator given to 12-hour TAF, which involves the following changes in Table B1:
Designator / Data type / Code form (name)C / Aerodrome (VT< 12 hours) / FM 51 (TAF)
— — — — — — — —
T / Aerodrome (VT ≥ 12 hours) / FM 51 (TAF)
NIL in TAF messages
Background
14. In accordance with Annex to Recommendation 5 (CBS-XIII) – modifications to FM 51-XII Ext. TAF, the code words “AMD”, “CNL”, “COR” and “NIL” shall be included, as appropriate, for amended, cancelled, corrected and missing forecasts, respectively.
Proposal
15. It is proposed to delete the note under paragraph 2.3.3.2.7 of Part II of Volume I of the Manual on the GTS (see http://www.wmo.int/web/www/ois/Operational_Information/WMO386/Volume1/PART2.pdf), which reads as follows: “Note: for messages containing aerodrome forecasts in the TAF code, NIL should not be used.”
Appendix A
Bulletins with T1T2 = FA included in the catalogue of meteorological bulletins (Volume C1) -
April 2006
(see http://alto-stratus.wmo.ch/WWWOIS/)
TTAAiiCCCC / Country / Centre / TTAAii / CCCC / Region / Details /
FABC40FBSK / BOTSWANA / SERETSE KHAMA INTERNATIONAL AIRPORT / FABC40 / FBSK / 1 / DETAILS
FACO20SKBO / COLOMBIA / BOGOTA / FACO20 / SKBO / 3 / DETAILS
FACZ41LKPR / CZECH REPUBLIC / PRAGUE / FACZ41 / LKPR / 6 / DETAILS
FADL41EDZB / GERMANY / OFFENBACH / FADL41 / EDZB / 6 / DETAILS
FADL41EDZE / GERMANY / OFFENBACH / FADL41 / EDZE / 6 / DETAILS
FADL41EDZF / GERMANY / OFFENBACH / FADL41 / EDZF / 6 / DETAILS
FADL41EDZH / GERMANY / OFFENBACH / FADL41 / EDZH / 6 / DETAILS
FADL41EDZM / GERMANY / OFFENBACH / FADL41 / EDZM / 6 / DETAILS
FAFJ40NFFN / FIJI / NADI / FAFJ40 / NFFN / 5 / DETAILS
FAKB40NFFN / FIJI / NADI / FAKB40 / NFFN / 5 / DETAILS
FAKN20HKNC / KENYA / NAIROBI / FAKN20 / HKNC / 1 / DETAILS
FAKU40NFFN / FIJI / NADI / FAKU40 / NFFN / 5 / DETAILS
FAKU41NFFN / FIJI / NADI / FAKU41 / NFFN / 5 / DETAILS
FALV10EVRA / LATVIA / RIGA / FALV10 / EVRA / 6 / DETAILS
FANV40NVVV / VANUATU / PORT VILA / FANV40 / NVVV / 5 / DETAILS
FAOS41LOWM / AUSTRIA / VIENNA / FAOS41 / LOWM / 6 / DETAILS
FASA20TTPP / TRINIDAD AND TOBAGO / PORT-OF-SPAIN/PIARCO / FASA20 / TTPP / 4 / DETAILS
FASQ41LZIB / SLOVAKIA / BRATISLAVA / FASQ41 / LZIB / 6 / DETAILS
FASW41LSSW / SWITZERLAND / ZURICH / FASW41 / LSSW / 6 / DETAILS
FAVN20SVMI / VENEZUELA / MARACAY / FAVN20 / SVMI / 3 / DETAILS
FAZB20FLLS / ZAMBIA / LUSAKA / FAZB20 / FLLS / 1 / DETAILS
FAZM40NFFN / FIJI / NADI / FAZM40
Appendix B
Bulletins with T1T2 = UA included in the catalogue of meteorological bulletins (Volume C1) – April 2006 (see http://alto-stratus.wmo.ch/WWWOIS/)
TTAAiiCCCC / Country / Centre / TTAAii / CCCC / Region / Details /UAAE01WMKK / MALAYSIA / KUALA LUMPUR / UAAE01 / WMKK / 5 / DETAILS
UAAE01WSSS / SINGAPORE / SINGAPORE / UAAE01 / WSSS / 5 / DETAILS
UAAJ10UBBB / AZERBAIJAN / BAKU / UAAJ10 / UBBB / 6 / DETAILS
UAAL01DAMM / ALGERIA / ALGERS / UAAL01 / DAMM / 1 / DETAILS
UAAL02DAMM / ALGERIA / ALGERS / UAAL02 / DAMM / 1 / DETAILS
UAAM01FCBB / CONGO / BRAZZAVILLE / UAAM01 / FCBB / 1 / DETAILS
UAAN01FNLU / ANGOLA / LUANDA / UAAN01 / FNLU / 1 / DETAILS
UAAO01DRRN / NIGER / NIAMEY / UAAO01 / DRRN / 1 / DETAILS
UAAO01GOOY / SENEGAL / DAKAR / UAAO01 / GOOY / 1 / DETAILS
UAAO02DRRN / NIGER / NIAMEY / UAAO02 / DRRN / 1 / DETAILS
UAAO02GOOY / SENEGAL / DAKAR / UAAO02 / GOOY / 1 / DETAILS
UAAP01FAPR / SOUTH AFRICA (GOUGH & MARION ISLANDS) / PRETORIA / UAAP01 / FAPR / 1 / DETAILS
UAAS10OEJD / SAUDI ARABIA / JEDDAH / UAAS10 / OEJD / 2 / DETAILS
UAAS11RJTD / JAPAN / TOKIO / UAAS11 / RJTD / 2 / DETAILS
UAAU01AMMC / AUSTRALIA / MELBOURNE / UAAU01 / AMMC / 5 / DETAILS
UABZ20SBBR / BRAZIL / BRASILIA / UABZ20 / SBBR / 3 / DETAILS
UACA01TTPP / TRINIDAD AND TOBAGO / PORT-OF-SPAIN/PIARCO / UACA01 / TTPP / 4 / DETAILS
UACA31SYCJ / GUYANA / TIMEHRI/CHEDDI JAGAN INTERNATIONAL / UACA31 / SYCJ / 3 / DETAILS
UACO01SKBO / COLOMBIA / BOGOTA / UACO01 / SKBO / 3 / DETAILS
UACZ31LKPR / CZECH REPUBLIC / PRAGUE / UACZ31 / LKPR / 6 / DETAILS
UADJ01HDAM / DJIBOUTI / DJIBOUTI / UADJ01 / HDAM / 1 / DETAILS
UADJ20HDAM / DJIBOUTI / DJIBOUTI / UADJ20 / HDAM / 1 / DETAILS
UADL31EDZO / GERMANY / OFFENBACH / UADL31 / EDZO / 6 / DETAILS
UADL40EDZO / GERMANY / OFFENBACH / UADL40 / EDZO / 6 / DETAILS
UADN31EKCH / DENMARK AND FAROE ISLANDS / COPENHAGEN / UADN31 / EKCH / 6 / DETAILS
UAEO31EETN / ESTONIA / TALLINN / UAEO31 / EETN / 6 / DETAILS
UAEW01LPMG / PORTUGAL / LISBON / UAEW01 / LPMG / 6 / DETAILS
UAEW02LPMG / PORTUGAL / LISBON / UAEW02 / LPMG / 6 / DETAILS
UAEW03LPMG / PORTUGAL / LISBON / UAEW03 / LPMG / 6 / DETAILS
UAEW03LPMG / Portugal / LISBON / UAEW03 / LPMG / 6 / DETAILS
UAFG01SOCA / FRENCH GUIANA / CAYENNE/ROCHAMBEAU / UAFG01 / SOCA / 3 / DETAILS
UAFJ01NFFN / FIJI / NADI / UAFJ01 / NFFN / 5 / DETAILS
UAGH01DGAA / GHANA / ACCRA / UAGH01 / DGAA / 1 / DETAILS
UAGY01SYCJ / GUYANA / TIMEHRI/CHEDDI JAGAN INTERNATIONAL / UAGY01 / SYCJ / 3 / DETAILS
UAHU31HABP / HUNGARY / BUDAPEST / UAHU31 / HABP / 6 / DETAILS
UAID01WIIX / INDONESIA / JAKARTA / UAID01 / WIIX / 5 / DETAILS
UAIO01FMMI / MADAGASCAR / ANTANANARIVO / UAIO01 / FMMI / 1 / DETAILS
UAIR01OIII / IRAN, ISLAMIC REPUBLIC OF / TEHRAN / UAIR01 / OIII / 2 / DETAILS
UAIS01LLBD / ISRAEL / BET DAGAN / UAIS01 / LLBD / 6 / DETAILS
UAIS31LLBG / ISRAEL / BET DAGAN / UAIS31 / LLBG / 6 / DETAILS
UAKN20HKNC / KENYA / NAIROBI / UAKN20 / HKNC / 1 / DETAILS
UAKO31RKSL / REPUBLIC OF KOREA / SEOUL / UAKO31 / RKSL / 2 / DETAILS
UALJ31LJLJ / SLOVENIA / LJUBJANA / UALJ31 / LJLJ / 6 / DETAILS
UALV31EVRR / LATVIA / RIGA / UALV31 / EVRR / 6 / DETAILS
UALY01HLLT / LIBYAN ARAB JAMAHIRIYA / TRIPOLI / UALY01 / HLLT / 1 / DETAILS
UALY02HLLT / LIBYAN ARAB JAMAHIRIYA / TRIPOLI / UALY02 / HLLT / 1 / DETAILS
UAMA01FIMP / MAURITIUS / VACOAS / UAMA01 / FIMP / 1 / DETAILS
UAMZ01FQMA / MOZAMBIQUE / MAPUTO / UAMZ01 / FQMA / 1 / DETAILS
UAMZ02FQMA / MOZAMBIQUE / MAPUTO / UAMZ02 / FQMA / 1 / DETAILS
UANT01SMZY / SURINAME / PARAMARIBO / UANT01 / SMZY / 3 / DETAILS
UANT01TTPP / TRINIDAD AND TOBAGO / PORT-OF-SPAIN/PIARCO / UANT01 / TTPP / 4 / DETAILS
UANT20CYQX / CANADA / MONTREAL / UANT20 / CYQX / 4 / DETAILS
UAOS31LOWM / AUSTRIA / VIENNA / UAOS31 / LOWM / 6 / DETAILS
UAOS51LOWW / AUSTRIA / VIENNA / UAOS51 / LOWW / 6 / DETAILS
UAOS52LOWL / AUSTRIA / VIENNA / UAOS52 / LOWL / 6 / DETAILS
UAOS53LOWS / AUSTRIA / VIENNA / UAOS53 / LOWS / 6 / DETAILS
UAOS54LOWI / AUSTRIA / VIENNA / UAOS54 / LOWI / 6 / DETAILS
UAOS55LOWG / AUSTRIA / VIENNA / UAOS55 / LOWG / 6 / DETAILS
UAOS56LOWK / AUSTRIA / VIENNA / UAOS56 / LOWK / 6 / DETAILS
UAPF01NTAA / FRENCH POLYNESIA / TAHITI/FAAA / UAPF01 / NTAA / 5 / DETAILS
UAPH01RPMM / PHILIPPINES / MANILA / UAPH01 / RPMM / 5 / DETAILS
UAPR01SPIM / PERU / LIMA / UAPR01 / SPIM / 3 / DETAILS
UAPS01NZKL / NEW ZEALAND / WELLINGTON / UAPS01 / NZKL / 5 / DETAILS
UARE01FMEE / REUNION / ST. DENIS / UARE01 / FMEE / 1 / DETAILS
UARE02FMEE / REUNION / ST. DENIS / UARE02 / FMEE / 1 / DETAILS
UARH31LDZM / CROATIA / ZAGREB / UARH31 / LDZM / 6 / DETAILS
UARW01HRYR / RWANDA / KIGALI / UARW01 / HRYR / 1 / DETAILS
UASA01SABM / ARGENTINA / BUENOS AIRES / UASA01 / SABM / 3 / DETAILS
UASI01HCMM / SOMALIA / MOGADISHU / UASI01 / HCMM / 1 / DETAILS
UASN31ESWI / SWEDEN / NORRKOPING / UASN31 / ESWI / 6 / DETAILS
UASN32ESWI / SWEDEN / NORRKOPING / UASN32 / ESWI / 6 / DETAILS
UASQ31LZIB / SLOVAKIA / BRATISLAVA / UASQ31 / LZIB / 6 / DETAILS
UAST01GOOY / SENEGAL / DAKAR / UAST01 / GOOY / 1 / DETAILS
UASW01LSSW / SWITZERLAND / ZURICH / UASW01 / LSSW / 6 / DETAILS
UASW31LSSW / SWITZERLAND / ZURICH / UASW31 / LSSW / 6 / DETAILS
UATN01HTDA / TANZANIA,UNITED REPUBLIC OF / DAR ES SALAAM / UATN01 / HTDA / 1 / DETAILS
UAUG20HUEN / UGANDA / ENTEBBE / UAUG20 / HUEN / 1 / DETAILS
UAUY01SUMU / URUGUAY / MONTEVIDEO / UAUY01 / SUMU / 3 / DETAILS
UAVN01SVMR / VENEZUELA / MARACAY / UAVN01 / SVMR / 3 / DETAILS
UAXE01VHHH / HONG KONG, CHINA / HONG KONG / UAXE01 / VHHH / 2 / DETAILS
UAXX01EDZW / GERMANY / OFFENBACH / UAXX01 / EDZW / 6 / DETAILS
UAZB01FLLS / ZAMBIA / LUSAKA / UAZB01 / FLLS / 1 / DETAILS
UAZW20FVHA / ZIMBABWE / HARARE / UAZW20 / FVHA / 1 / DETA
Appendix C
Bulletins with T1T2 = UA received during the January 2006 SMM exercise
UAAA01 / NZCMAAE01 / WSSS
UAAS11 / RJTD
UAAS31 / RJTD
UAAS32 / RJTD
UAAU01 / AMMC
UAAU31 / YBBN
UABO00 / SLLP
UABZ01 / SBBR
UABZ20 / SBAZ
UABZ21 / SBRE
UABZ22 / SBBS
UABZ24 / SBCW
UACA31 / KWBC
UACH01 / SCCI
UACH01 / SCEL
UACH10 / SCEL
UACH10 / SCTE
UACI31 / RCTP
UACN01 / CYEG
UACN01 / CYGK
UACN01 / CYHZ
UACN01 / CYQB
UACN01 / CYQL
UACN01 / CYUL
UACN01 / CYWG
UACN01 / CYXU
UACN01 / CYYZ
UACN10 / CYAM
UACN10 / CYBG
UACN10 / CYBK
UACN10 / CYBL
UACN10 / CYBR
UACN10 / CYCD
UACN10 / CYCG
UACN10 / CYDF
UACN10 / CYDQ
UACN10 / CYEG
UACN10 / CYEV
UACN10 / CYFB
UACN10 / CYFC
UACN10 / CYGK
UACN10 / CYGL
UACN10 / CYGR
UACN10 / CYGW
UACN10 / CYHK
UACN10 / CYHZ
UACN10 / CYKA
UACN10 / CYLL
UACN10 / CYMJ
UACN10 / CYMM
UACN10 / CYOD
UACN10 / CYOJ
UACN10 / CYPA
UACN10 / CYPE
UACN10 / CYPR
UACN10 / CYQB
UACN10 / CYQK
UACN10 / CYQL
UACN10 / CYQQ
UACN10 / CYQR
UACN10 / CYQT
UACN10 / CYQU
UACN10 / CYQW
UACN10 / CYQY
UACN10 / CYRT
UACN10 / CYSF
UACN10 / CYSJ
UACN10 / CYTH
UACN10 / CYTS
UACN10 / CYUL
UACN10 / CYUX
UACN10 / CYUY
UACN10 / CYVC
UACN10 / CYVP
UACN10 / CYVQ
UACN10 / CYWG
UACN10 / CYWH
UACN10 / CYWK
UACN10 / CYWL
UACN10 / CYXC
UACN10 / CYXE
UACN10 / CYXH
UACN10 / CYXJ
UACN10 / CYXL
UACN10 / CYXS
UACN10 / CYXT
UACN10 / CYXU
UACN10 / CYXX
UACN10 / CYXY
UACN10 / CYYB
UACN10 / CYYD
UACN10 / CYYE
UACN10 / CYYF
UACN10 / CYYG
UACN10 / CYYQ
UACN10 / CYYY
UACN10 / CYYZ
UACN10 / CYZF
UACN10 / CYZT
UACN10 / CYZV
UACN21 / CYEG
UACZ31 / LKPW
UADL31 / EDZO
UADL40 / EDZO
UADN31 / EKCH
UADN41 / EKCH
UAEW01 / LPMG
UAEW02 / LPMG
UAEW03 / LPMG
UAFE31 / RJTD
UAFE32 / RJTD
UAFJ01 / NFFN
UAHK31 / VHHH
UAHU31 / LHBM
UAHW01 / KNKA
UAIO01 / FMMI
UAMX27 / MMMZ
UANT01 / CWAO
UANT01 / EGRR
UANT01 / KWBC
UANT01 / SOCA
UANT20 / CWEG
UANT90 / EGRR
UAOS31 / LOWM
UAPA01 / KWBC
UAPF01 / NTAA
UAPH01 / RPMM
UAPM31 / MPTO
UAPS01 / NZKL
UAPY01 / SGAS
UASA31 / KWBC
UAUS31 / KWBC
UAVN01 / SVMI
UAVX99 / TBPB
UAVX99 / TGPY
UAXX01 / HECA
[1] The introduction of Amendment 74 does not affect the points raised