AHL - Table Definitions

Explanation of Data Designators T1T2A1A2ii CCCC

TABLE DEFINITIONS

Tables	Data Type
Table A	Data type designator T1 Matrix Table for T1T2A1A2ii definitions
Table B1	Data type designator T2 (when T1 = A, C, F, N, S, T, U or W)
Table B2	Data type designator T2 (when T1 = D, G, H, P, Q, V or Y)
Table B3	Data type designator T2 (when T1 = I or J)
Table B4	Data type designator T2 (when T1 = O)
Table B5	Data type designator T2 (when T1 = E)
Table B6	Data type designator T2 (when T1 = K)
Table B7	Data type designator T2 (when T1 = L)

Table C1	Geographical designators A1A2 for use in abbreviated headings T1T2A1A2ii CCCC YYGGgg for bulletins containing meteorological information, excluding ships’ weather reports and oceanographic data
Table C2	Geographical designators A1A2 for use in abbreviated headings T1T2A1A2ii CCCC YYGGgg for bulletins containing ships’ weather reports and oceanographic data including reports from automatic marine stations
Table C3	Geographical area designator A1 (when T1 = D, G, H, O, P, Q, T or Y) and geographical area designator A2 (when T1 = I or K)
Table C4	Reference time designator A2 (when T1 = D, G, H, J, O, P, or T)
Table C5	Reference time designator A2 (when T1 = Q or Y))
Table C6	Data type designator A1 (when T1 = I or J)
Table C7	Data type designator A1 (when T1 = K)

Table D1	Level designator ii (when T1 = O)
Table D2	Level designator ii (when T1 = D, G, H, P, Q or Y)
Table D3	Level designator ii (when T1 T2 = FA or UA)