| Octet No. | Contents |
|---|---|
| 10 |
Parameter category (see Code Table 4.1) |
| 11 |
Parameter number (see Code Table 4.2) |
| 12 |
Type of generating process (see Code Table 4.3) |
| 13 |
Background generating process identifier (defined by originating centres) |
| 14 |
Analysis or forecast generating process identified |
| 15-16 |
Hours of observational data cut-off after reference time (see Note 2) |
| 17 |
Minutes of observational data cut-off after reference time (see Note 2) |
| 18 |
Indicator of unit of time range (see Code table 4.4) |
| 19-22 |
Forecast time in units defined by octet 18 |
| 23 |
Number of contributing spectral bands (NB) |
| 24 - Repeat the following 11 octets for each contributing band (nb = 1,NB), if NB >0 | |
| (24+11(nb-1))—(25+11(nb-1)) | Satellite series of band nb (BUFR Code Table 0 02 020) |
| (26+11(nb-1))—(27+11(nb-1)) | Satellite number of band nb (BUFR Code Table 0 01 007) |
| (28+11(nb-1))—(29+11(nb-1)) | Instrument types of band nb (see Note 1 below) |
| (30 +11(nb-1)) | Scale factor of central wave number of band nb |
| (31+11(nb-1))—(34+11(nb-1)) | Scaled value of central wave number of band nb (units: m-1) |
| (24+11NB) | Type of ensemble forecast (see Code table 4.6) |
| (24+11NB+1) | Perturbation number |
| (24+11NB+2) | Number of forecasts in ensemble |
| Note : (1) Instrument types code, a 16-bit value, stores the BUFR table 0 02 019 value, a 10-bit value, in the lowest ten bits. The upper three bits (bits 1-3) contain the polarization information, if known. The intervening three bits (4-6) are unused and set to 0. Bits 1-3 will have one of the following values: 8192*0 = 000 = unknown or missing 8192*1 = 001 = unpolarized 8192*2 = 010 = horizontal linear polarization 8192*3 = 011 = vertical linear polarization 8192*4 = 100 = right circular polarization 8192*5 = 101 = left circular polarization |
| (2) Hours greater than 65534 will be coded as 65534 |