Atmospheric pressure on an AICON model level (Pa).
GribStream
GribStream Code: aicon
Official status: DWD made AICON operational on 3 September 2025 at 06 UTC. The operational notice documents a nominal three-hourly schedule.
Current public feed: Live DWD Open Data inspection found 00, 06, 12, and 18 UTC cycles. The 00/12 UTC runs reach +180 h and the 06/18 UTC runs reach +120 h, all at 3-hour steps. GribStream retains a rolling five-day archive.
License: DWD Open Data may be reused commercially under CC BY 4.0 with attribution. GribStream identifies DWD as the creator and links to the official terms.
AICON Global is DWD's operational deterministic artificial-intelligence forecast. It advances the atmospheric state autoregressively on the global ICON grid and produces one forecast scenario rather than an ensemble distribution.
The compact public inventory emphasizes core atmospheric state variables. Near the surface it provides temperature, relative humidity, wind, pressure, mean sea-level pressure, and total precipitation. Thirteen model levels add temperature, specific humidity, wind, and pressure aloft.
The source grid matters. DWD's current public AICON publication is native grid 26, not the regular latitude/longitude output mentioned in the original operational notice. GribStream maps coordinates to the nearest official cell center while preserving the source field values.
AICON is deterministic, so it does not express forecast uncertainty by itself. Compare it with ICON-EU, IFS Oper, AIFS Oper, or an ensemble when decisions depend on spread and alternative scenarios.
T_2M, RELHUM_2M, U_10M, V_10M, PS, PMSL, and TOT_PREC.TOT_PREC is marked acc: kg m-2 accumulated from the beginning of the model run, beginning at +3 h rather than +0 h.Click a parameter to reveal variants in a compact table with ready-to-copy JSON selectors.
Atmospheric pressure on an AICON model level (Pa).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
1 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"1 generalized vertical height coordinate","info":""}
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|
10 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"10 generalized vertical height coordinate","info":""}
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11 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"11 generalized vertical height coordinate","info":""}
|
|
12 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"12 generalized vertical height coordinate","info":""}
|
|
13 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"13 generalized vertical height coordinate","info":""}
|
|
2 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"2 generalized vertical height coordinate","info":""}
|
|
3 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"3 generalized vertical height coordinate","info":""}
|
|
4 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"4 generalized vertical height coordinate","info":""}
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5 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"5 generalized vertical height coordinate","info":""}
|
|
6 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"6 generalized vertical height coordinate","info":""}
|
|
7 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"7 generalized vertical height coordinate","info":""}
|
|
8 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"8 generalized vertical height coordinate","info":""}
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|
9 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"P","level":"9 generalized vertical height coordinate","info":""}
|
Pressure reduced to mean sea level (Pa).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
mean sea level |
3h-180h | 5 days ago |
{"name":"PMSL","level":"mean sea level","info":""}
|
Surface pressure (Pa).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
surface |
0h-180h | 5 days ago |
{"name":"PS","level":"surface","info":""}
|
Specific humidity on an AICON model level (kg/kg).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
1 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"1 generalized vertical height coordinate","info":""}
|
|
10 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"10 generalized vertical height coordinate","info":""}
|
|
11 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"11 generalized vertical height coordinate","info":""}
|
|
12 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"12 generalized vertical height coordinate","info":""}
|
|
13 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"13 generalized vertical height coordinate","info":""}
|
|
2 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"2 generalized vertical height coordinate","info":""}
|
|
3 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"3 generalized vertical height coordinate","info":""}
|
|
4 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"4 generalized vertical height coordinate","info":""}
|
|
5 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"5 generalized vertical height coordinate","info":""}
|
|
6 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"6 generalized vertical height coordinate","info":""}
|
|
7 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"7 generalized vertical height coordinate","info":""}
|
|
8 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"8 generalized vertical height coordinate","info":""}
|
|
9 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"QV","level":"9 generalized vertical height coordinate","info":""}
|
Relative humidity at 2 metres (%).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
2 m above ground |
0h-180h | 5 days ago |
{"name":"RELHUM_2M","level":"2 m above ground","info":""}
|
Air temperature on an AICON model level (K).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
1 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"1 generalized vertical height coordinate","info":""}
|
|
10 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"10 generalized vertical height coordinate","info":""}
|
|
11 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"11 generalized vertical height coordinate","info":""}
|
|
12 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"12 generalized vertical height coordinate","info":""}
|
|
13 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"13 generalized vertical height coordinate","info":""}
|
|
2 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"2 generalized vertical height coordinate","info":""}
|
|
3 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"3 generalized vertical height coordinate","info":""}
|
|
4 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"4 generalized vertical height coordinate","info":""}
|
|
5 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"5 generalized vertical height coordinate","info":""}
|
|
6 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"6 generalized vertical height coordinate","info":""}
|
|
7 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"7 generalized vertical height coordinate","info":""}
|
|
8 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"8 generalized vertical height coordinate","info":""}
|
|
9 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"T","level":"9 generalized vertical height coordinate","info":""}
|
Total precipitation accumulated from the start of the model run (kg/m^2).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
surface |
acc |
3h-180h | 5 days ago |
{"name":"TOT_PREC","level":"surface","info":"acc"}
|
Air temperature at 2 metres (K).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
2 m above ground |
0h-180h | 5 days ago |
{"name":"T_2M","level":"2 m above ground","info":""}
|
U-component of wind on an AICON model level (m/s).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
1 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"1 generalized vertical height coordinate","info":""}
|
|
10 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"10 generalized vertical height coordinate","info":""}
|
|
11 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"11 generalized vertical height coordinate","info":""}
|
|
12 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"12 generalized vertical height coordinate","info":""}
|
|
13 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"13 generalized vertical height coordinate","info":""}
|
|
2 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"2 generalized vertical height coordinate","info":""}
|
|
3 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"3 generalized vertical height coordinate","info":""}
|
|
4 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"4 generalized vertical height coordinate","info":""}
|
|
5 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"5 generalized vertical height coordinate","info":""}
|
|
6 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"6 generalized vertical height coordinate","info":""}
|
|
7 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"7 generalized vertical height coordinate","info":""}
|
|
8 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"8 generalized vertical height coordinate","info":""}
|
|
9 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"U","level":"9 generalized vertical height coordinate","info":""}
|
U-component of wind at 10 metres (m/s).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
10 m above ground |
0h-180h | 5 days ago |
{"name":"U_10M","level":"10 m above ground","info":""}
|
V-component of wind on an AICON model level (m/s).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
1 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"1 generalized vertical height coordinate","info":""}
|
|
10 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"10 generalized vertical height coordinate","info":""}
|
|
11 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"11 generalized vertical height coordinate","info":""}
|
|
12 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"12 generalized vertical height coordinate","info":""}
|
|
13 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"13 generalized vertical height coordinate","info":""}
|
|
2 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"2 generalized vertical height coordinate","info":""}
|
|
3 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"3 generalized vertical height coordinate","info":""}
|
|
4 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"4 generalized vertical height coordinate","info":""}
|
|
5 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"5 generalized vertical height coordinate","info":""}
|
|
6 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"6 generalized vertical height coordinate","info":""}
|
|
7 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"7 generalized vertical height coordinate","info":""}
|
|
8 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"8 generalized vertical height coordinate","info":""}
|
|
9 generalized vertical height coordinate |
0h-180h | 5 days ago |
{"name":"V","level":"9 generalized vertical height coordinate","info":""}
|
V-component of wind at 10 metres (m/s).
| Level | Info | Horizon | Introduced | Selector |
|---|---|---|---|---|
10 m above ground |
0h-180h | 5 days ago |
{"name":"V_10M","level":"10 m above ground","info":""}
|
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