Atmospheric model identification numbers

Technical documentation

Model Level definitions

Gaussian grids

ECMWF versions of GRIB Table 2

Deficiencies of the archive

Discretisation of soil layers

Model id numbers

WAM representations

See also

Technical Site Map

Date	ECMWF model Cycle	GRIB Generating process identification number
15-Nov-11	IFS Cycle 37r3	141
18-May-11	IFS Cycle 37r2	140
09-Nov-10	IFS Cycle 36r4	139
24-Jun-10	IFS Cycle 36r2	137
26-Jan-10	IFS Cycle 36r1	136
13-Oct-09	IFS Cycle 35r3	135
08-Sep-09	IFS Cycle 35r3	135
10-Mar-09	IFS Cycle 35r2	134
30-Sep-08	IFS Cycle 35r1/33r2	133
03-Jun-08	IFS Cycle 33r1	132
11-Mar-08	IFS Cycle 32r3	131
06-Nov-07	IFS Cycle 32r3	130
05-Jun-07	IFS Cycle 32r2	129
12-Sep-06	IFS Cycle 31r1	128
01-Feb-06	IFS Cycle 30r1	127
28-Jun-05	IFS Cycle 29r2	126
05-Apr-05	IFS Cycle 29r1	125
28-Sep-04	IFS Cycle 28r3	124
29-Jun-04	IFS Cycle 28r2	123
09-Mar-04	IFS Cycle 28r1	122
07-Oct-03	IFS Cycle 26r3	121*
29-Apr-03	IFS Cycle 26r1	203
04-Mar-03	IFS Cycle 25r5	202
14-Jan-03	IFS Cycle 25r4	202
09-Apr-02	IFS Cycle 25r1	201
22-Jan-02	IFS Cycle 24r3	200
12-Jun-01	IFS Cycle 23r4	199
21-Nov-00	IFS Cycle 23r3	198
12-Sep-00	IFS Cycle 23r1	197
27-Jun-00	IFS Cycle 22r3	196
11-Apr-00	IFS Cycle 22r1	195
12-Oct-99	IFS Cycle 21r4	194
13-Jul-99	IFS Cycle 21r2	193
05-May-99	IFS Cycle 21r1	192
09-Mar-99	IFS Cycle 19r2	191
21-Oct-98	IFS Cycle 19r1	190
29-Jun-98	IFS Cycle 18r6	184
01-Apr-98	IFS Cycle 18r5	183
25-Feb-98	IFS Cycle 18r4	182
16-Dec-97	IFS Cycle 18r3	182
11-Nov-97	IFS Cycle 18r1	181
27-Aug-97	IFS Cycle 16r4	161
14-May-97	IFS Cycle 16r2	161
21-Jan-97	IFS Cycle 15r8	152
10-Dec-96	IFS Cycle 15r7	152
18-Sep-96	IFS Cycle 15r5	151
30-Jan-96	IFS Cycle 14r3	141
04-Apr-95	IFS Cycle 13r4	122
23-Aug-94	IFS Cycle 12r1	121
02-Mar-94	IFS Cycle 11r7	111
05-Oct-93	Cycle49	40
04-Aug-93	Cycle 48	40
21-Apr-93	Cycle 47	40
01-Feb-93	Cycle 46	40
07-Dec-92	Cycle 45	40
01-Sep-92	Cycle 44	40
17-Aug-92	Cycle 43	40
13-May-92	Cycle 42	40
07-Jan-92	Cycle 41	40
26-Nov-91	Cycle 40	40
17-Sep-91	Cycle 39	40
09-Apr-91	Cycle 38	31
05-Jun-90	Cycle 36	31
16-May-90	Cycle 35	31
16-Aug-89	Cycle 34	31
04-Jul-89	Cycle 33	31
02-May-89	Cycle 32	31
22-Nov-88	Cycle31	31
05-Jan-88	Cycle 30	31
07-Apr-87	Cycle 29	31
07-Oct-86	Cycle 28	31
15-Jul-86	Cycle 27	31
13-May-86	Cycle 26	31
09-Dec-85	Cycle 25	30
18-Jul-85	Cycle24	30

*Note: after reaching the end of the defined range of possible identifications numbers in cycle 26r1 with 203 it was agreed that the numbers will be recycled.

25.11.2011