Appendix 7 Template for advisory for tropical cyclonesF1
United Kingdom
Key:
a double line indicates that the text following it shall be placed on the subsequent line.
Note 1:
the ranges and resolutions for the numerical elements included in tropical cyclone advisory are shown in Appendix 8.
Note 2:
the explanations for the abbreviations can be found in ICAO Doc 8400 ‘Procedures for Air Navigation Services – Abbreviations and Codes (PANS-ABC).
Note 3:
all the elements are mandatory.
Note 4:
inclusion of a ‘ colon ’ after each element heading is mandatory.
Note 5:
numbers 1 to 19 are included only for clarity and they are not part of the advisory, as shown in the example.
| Element | Detailed content | Template(s) | Examples | |||
|---|---|---|---|---|---|---|
| 1 | Identification of the type of message | Type of message | TC ADVISORY | TC ADVISORY | ||
| 2 | Time of origin | Year, month, day and time in UTC of issue | DTG: | nnnnnnnn/nnnnZ | DTG: | 20040925 /1600Z |
| 3 | Name of TCAC | Name of TCAC (location indicator or full name) | TCAC: | nnnn or nnnnnnnnnn | TCAC: TCAC: | YUFO MIAMI |
| 4 | Name of tropical cyclone | Name of tropical cyclone or ‘ NN ’ for unnamed tropical cyclone | TC: | nnnnnnnnnnnn or NN | TC: | GLORIA |
| 5 | Advisory number | Advisory number (starting with ‘ 01 ’ for each tropical cyclone) | NR: | nn | NR: | 01 |
| 6 | Position of the centre | Position of the centre of the tropical cyclone (in degrees and minutes) | PSN: | Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] | PSN: | N2706 W07306 |
| 7 | Direction and speed of movement | Direction and speed of movement given in 16 compass points and km/h (or kt), respectively, or moving slowly (< 6 km/h (3 kt)) or stationary (< 2 km/h (1 kt)) | MOV: | N nnKMH (or KT) or NNE nnKMH (or KT) or NE nnKMH (or KT) or ENE nnKMH (or KT) or E nnKMH (or KT) or ESE nnKMH (or KT) or SE nnKMH (or KT) or SSE nnKMH (or KT) or S nnKMH (or KT) or SSW nnKMH (or KT) or SW nnKMH (or KT) or WSW nnKMH (or KT) or W nnKMH (or KT) or WNW nnKMH (or KT) or NW nnKMH (or KT) or NNW nnKMH (or KT) or SLW or STNR | MOV: | NW 20KMH |
| 8 | Central pressure | Central pressure (in hPa) | C: | nnnHPA | C: | 965HPA |
| 9 | Maximum surface wind | Maximum surface wind near the centre (mean surface wind over 10 minutes, in m/s (or kt)) | MAX WIND: | nn[n]MPS (or nn[n]KT) | MAX WIND: | 22MPS |
| 10 | Forecast of centre position (+ 6 HR) | Day and time (in UTC) (6 hours from the DTG given in Item 2); forecast position (in degrees and minutes) of the centre of the tropical cyclone | FCST PSN +6 HR: | nn/nnnnZ Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] | FCST PSN +6 HR: | 25/2200Z N2748 W07350 |
| 11 | Forecast of maximum surface wind (+ 6 HR) | Forecast of maximum surface wind (6 hours after the DTG given in Item 2) | FCST MAX WIND +6 HR: | nn[n]MPS (or nn[n]KT) | FCST MAX WIND +6 HR: | 22MPS |
| 12 | Forecast of centre position (+ 12 HR) | Day and time (in UTC) (12 hours from the DTG given in Item 2); forecast position (in degrees and minutes) of the centre of the tropical cyclone | FCST PSN +12 HR: | nn/nnnnZ Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] | FCST PSN +12 HR: | 26/0400Z N2830 W07430 |
| 13 | Forecast of maximum surface wind (+ 12 HR) | Forecast of maximum surface wind (12 hours after the DTG given in Item 2) | FCST MAX WIND +12 HR: | nn[n]MPS (or nn[n]KT) | FCST MAX WIND +12 HR: | 22MPS |
| 14 | Forecast of centre position (+ 18 HR) | Day and time (in UTC) (18 hours from the DTG given in Item 2); forecast position (in degrees and minutes) of the centre of the tropical cyclone | FCST PSN +18 HR: | nn/nnnnZ Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] | FCST PSN +18 HR: | 26/1000Z N2852 W07500 |
| 15 | Forecast of maximum surface wind (+ 18 HR) | Forecast of maximum surface wind (18 hours after the DTG given in Item 2) | FCST MAX WIND +18 HR: | nn[n]MPS (or nn[n]KT) | FCST MAX WIND +18 HR: | 21MPS |
| 16 | Forecast of centre position (+ 24 HR) | Day and time (in UTC) (24 hours a day and seven days a week from the DTG given in Item 2); forecast position (in degrees and minutes) of the centre of the tropical cyclone | FCST PSN +24 HR: | nn/nnnnZ Nnn[nn] or Snn[nn] Wnnn[nn] or Ennn[nn] | FCST PSN +24 HR: | 26/1600Z N2912 W07530 |
| 17 | Forecast of maximum surface wind (+ 24 HR) | Forecast of maximum surface wind (24 hours a day and seven days a week after the DTG given in Item 2) | FCST MAX WIND +24 HR: | nn[n]MPS (or nn[n]KT) | FCST MAX WIND +24 HR: | 20MPS |
| 18 | Remarks | Remarks, as necessary | RMK: | Free text up to 256 characters or NIL | RMK: | NIL |
| 19 | Expected time of issuance of next advisory | Expected year, month, day and time (in UTC) of issuance of next advisory | NXT MSG: | [BFR] nnnnnnnn/nnnnZ or NO MSG EXP | NXT MSG: | 20040925 /2000Z |