GribStream

FourCastNet Global Forecast System (FourCastNetGFS)

GribStream Code: fourcastnetgfs

Status: GribStream currently serves fourcastnetgfs as a historical experimental archive. The public S3 bucket and the GribStream index do not show newer FourCastNetGFS runs after 2026-03-01 12:00 UTC. Use AIGFS, AIGFS Pressure, or AIGEFS for current NOAA AI global guidance.

Description

FourCastNet Global Forecast System is an experimental NOAA AI forecast dataset. Built on the FourCastNet framework developed by NVIDIA and Microsoft, it applies Fourier Neural Operators and deep learning techniques to emulate and accelerate the Global Forecast System (GFS). In GribStream, it is now best treated as a historical comparison dataset rather than a current operational feed.

The underlying machine-learning model was trained on historical atmospheric reanalysis data, then NOAA's implementation initialized forecasts from GDAS analysis fields and emitted GFS-like GRIB2 products. That made FourCastNetGFS useful to compare against physics-based models like ECMWF IFS and other experimental AI-driven systems such as GraphCast.

FourCastNetGFS remains useful for historical AI-model comparison: it helps evaluate how Fourier Neural Operator-based guidance behaved against GFS, GraphCastGFS, AIGFS, and physics-based global models across past events.

Detail

Parameters

0 parameters

Click a parameter to reveal variants in a compact table with ready-to-copy JSON selectors.

HGT –Geopotential Height (m)
13 variants

Geopotential Height (m).

Level Info Horizon Introduced Selector
100 mb 0h-240h 2024-05-02
{"name":"HGT","level":"100 mb","info":""}
1000 mb 0h-240h 2024-05-02
{"name":"HGT","level":"1000 mb","info":""}
150 mb 0h-240h 2024-05-02
{"name":"HGT","level":"150 mb","info":""}
200 mb 0h-240h 2024-05-02
{"name":"HGT","level":"200 mb","info":""}
250 mb 0h-240h 2024-05-02
{"name":"HGT","level":"250 mb","info":""}
300 mb 0h-240h 2024-05-02
{"name":"HGT","level":"300 mb","info":""}
400 mb 0h-240h 2024-05-02
{"name":"HGT","level":"400 mb","info":""}
50 mb 0h-240h 2024-05-02
{"name":"HGT","level":"50 mb","info":""}
500 mb 0h-240h 2024-05-02
{"name":"HGT","level":"500 mb","info":""}
600 mb 0h-240h 2024-05-02
{"name":"HGT","level":"600 mb","info":""}
700 mb 0h-240h 2024-05-02
{"name":"HGT","level":"700 mb","info":""}
850 mb 0h-240h 2024-05-02
{"name":"HGT","level":"850 mb","info":""}
925 mb 0h-240h 2024-05-02
{"name":"HGT","level":"925 mb","info":""}
PRES –Pressure (Pa)
1 variant

Pressure (Pa).

Level Info Horizon Introduced Selector
surface 0h-240h 2024-05-02
{"name":"PRES","level":"surface","info":""}
PRMSL –Pressure Reduced to MSL (Pa)
1 variant

Pressure Reduced to MSL (Pa).

Level Info Horizon Introduced Selector
mean sea level 0h-240h 2024-05-02
{"name":"PRMSL","level":"mean sea level","info":""}
PWAT –Precipitable Water (kg/m^2)
1 variant

Precipitable Water (kg/m^2).

Level Info Horizon Introduced Selector
entire atmosphere (considered as a single layer) 0h-240h 2024-05-02
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":""}
RH –Relative Humidity (%)
13 variants

Relative Humidity (%).

Level Info Horizon Introduced Selector
100 mb 0h-240h 2024-05-02
{"name":"RH","level":"100 mb","info":""}
1000 mb 0h-240h 2024-05-02
{"name":"RH","level":"1000 mb","info":""}
150 mb 0h-240h 2024-05-02
{"name":"RH","level":"150 mb","info":""}
200 mb 0h-240h 2024-05-02
{"name":"RH","level":"200 mb","info":""}
250 mb 0h-240h 2024-05-02
{"name":"RH","level":"250 mb","info":""}
300 mb 0h-240h 2024-05-02
{"name":"RH","level":"300 mb","info":""}
400 mb 0h-240h 2024-05-02
{"name":"RH","level":"400 mb","info":""}
50 mb 0h-240h 2024-05-02
{"name":"RH","level":"50 mb","info":""}
500 mb 0h-240h 2024-05-02
{"name":"RH","level":"500 mb","info":""}
600 mb 0h-240h 2024-05-02
{"name":"RH","level":"600 mb","info":""}
700 mb 0h-240h 2024-05-02
{"name":"RH","level":"700 mb","info":""}
850 mb 0h-240h 2024-05-02
{"name":"RH","level":"850 mb","info":""}
925 mb 0h-240h 2024-05-02
{"name":"RH","level":"925 mb","info":""}
TMP –Temperature (K)
14 variants

Temperature (K).

Level Info Horizon Introduced Selector
100 mb 0h-240h 2024-05-02
{"name":"TMP","level":"100 mb","info":""}
1000 mb 0h-240h 2024-05-02
{"name":"TMP","level":"1000 mb","info":""}
150 mb 0h-240h 2024-05-02
{"name":"TMP","level":"150 mb","info":""}
2 m above ground 0h-240h 2024-05-02
{"name":"TMP","level":"2 m above ground","info":""}
200 mb 0h-240h 2024-05-02
{"name":"TMP","level":"200 mb","info":""}
250 mb 0h-240h 2024-05-02
{"name":"TMP","level":"250 mb","info":""}
300 mb 0h-240h 2024-05-02
{"name":"TMP","level":"300 mb","info":""}
400 mb 0h-240h 2024-05-02
{"name":"TMP","level":"400 mb","info":""}
50 mb 0h-240h 2024-05-02
{"name":"TMP","level":"50 mb","info":""}
500 mb 0h-240h 2024-05-02
{"name":"TMP","level":"500 mb","info":""}
600 mb 0h-240h 2024-05-02
{"name":"TMP","level":"600 mb","info":""}
700 mb 0h-240h 2024-05-02
{"name":"TMP","level":"700 mb","info":""}
850 mb 0h-240h 2024-05-02
{"name":"TMP","level":"850 mb","info":""}
925 mb 0h-240h 2024-05-02
{"name":"TMP","level":"925 mb","info":""}
UGRD –U Component of Wind (m/s)
15 variants

U Component of Wind (m/s).

Level Info Horizon Introduced Selector
10 m above ground 0h-240h 2024-05-02
{"name":"UGRD","level":"10 m above ground","info":""}
100 m above ground 0h-240h 2024-05-02
{"name":"UGRD","level":"100 m above ground","info":""}
100 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"100 mb","info":""}
1000 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"1000 mb","info":""}
150 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"150 mb","info":""}
200 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"200 mb","info":""}
250 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"250 mb","info":""}
300 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"300 mb","info":""}
400 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"400 mb","info":""}
50 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"50 mb","info":""}
500 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"500 mb","info":""}
600 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"600 mb","info":""}
700 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"700 mb","info":""}
850 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"850 mb","info":""}
925 mb 0h-240h 2024-05-02
{"name":"UGRD","level":"925 mb","info":""}
VGRD –V Component of Wind (m/s)
15 variants

V Component of Wind (m/s).

Level Info Horizon Introduced Selector
10 m above ground 0h-240h 2024-05-02
{"name":"VGRD","level":"10 m above ground","info":""}
100 m above ground 0h-240h 2024-05-02
{"name":"VGRD","level":"100 m above ground","info":""}
100 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"100 mb","info":""}
1000 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"1000 mb","info":""}
150 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"150 mb","info":""}
200 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"200 mb","info":""}
250 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"250 mb","info":""}
300 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"300 mb","info":""}
400 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"400 mb","info":""}
50 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"50 mb","info":""}
500 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"500 mb","info":""}
600 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"600 mb","info":""}
700 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"700 mb","info":""}
850 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"850 mb","info":""}
925 mb 0h-240h 2024-05-02
{"name":"VGRD","level":"925 mb","info":""}

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