GribStream

NOAA AI Global Forecast System Pressure Levels (AIGFS Pressure)

Código GribStream: aigfspres

Estado operativo: NOAA implementó AIGFS v1.0 y AIGEFS v1.0 el 17 de diciembre de 2025, junto con HGEFS. En GribStream, estos datasets son la línea operativa actual de NOAA para guía global basada en IA; graphcast queda como archivo histórico experimental.

Referencias técnicas: registro NOAA EAGLE AWS Open Data, productos NCEP AIGFS, distribución NOMADS, NWS SCN 25-89 y NOAA/NCEP Office Note 521.

Descripción

AIGFS Pressure es el producto de niveles de presión del Artificial Intelligence Global Forecast System operativo de NOAA/NCEP. NOAA puso en operación AIGFS v1.0 el 17 de diciembre de 2025; esta página cubre la parte en altura de AIGFS Surface.

El dataset conserva la lógica de AIGFS basada en GraphCast, inicializada desde el análisis global operativo de NOAA. Eso permite comparar una guía determinística de IA contra modelos físicos globales sin cambiar el patrón de consulta en GribStream.

aigfspres es la opción adecuada cuando necesitas la estructura de la atmósfera por encima de la superficie: flujo director, perfiles térmicos, capas de humedad, ondas de niveles medios y altos, y movimiento vertical.

El dataset incluye viento U/V, temperatura, altura geopotencial, humedad específica y velocidad vertical en coordenada de presión sobre 13 niveles estándar: 50, 100, 150, 200, 250, 300, 400, 500, 600, 700, 850, 925 y 1000 mb. Corre sobre grilla global de 0.25 grados, con ciclos 00/06/12/18 UTC y pasos de 6 h hasta 384 h.

Para clientes de GribStream, AIGFS Pressure es útil para análisis sinóptico, evaluación preliminar de trayectorias, paneles de mediano plazo, comparación entre IA y modelos físicos, y productos que usan variables en niveles de presión.

Detalle

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Haz clic en un parámetro para ver sus variantes en una tabla compacta con selectores JSON listos para copiar. Los códigos, niveles y valores de selector se mantienen exactamente como los expone la API.

HGT –Geopotential Height (gpm)
13 variants
NOAA GRIB2 Table 4.2-0-3

Geopotential height is the altitude of a pressure surface in the atmosphere. It is the primary field for identifying ridges, troughs, and large‑scale flow patterns.

  • Units: gpm.
Level Info Horizon Introduced Selector
100 mb 0h-384h 2026-04-16
{"name":"HGT","level":"100 mb","info":""}
1000 mb 0h-384h 2026-04-16
{"name":"HGT","level":"1000 mb","info":""}
150 mb 0h-384h 2026-04-16
{"name":"HGT","level":"150 mb","info":""}
200 mb 0h-384h 2026-04-16
{"name":"HGT","level":"200 mb","info":""}
250 mb 0h-384h 2026-04-16
{"name":"HGT","level":"250 mb","info":""}
300 mb 0h-384h 2026-04-16
{"name":"HGT","level":"300 mb","info":""}
400 mb 0h-384h 2026-04-16
{"name":"HGT","level":"400 mb","info":""}
50 mb 0h-384h 2026-04-16
{"name":"HGT","level":"50 mb","info":""}
500 mb 0h-384h 2026-04-16
{"name":"HGT","level":"500 mb","info":""}
600 mb 0h-384h 2026-04-16
{"name":"HGT","level":"600 mb","info":""}
700 mb 0h-384h 2026-04-16
{"name":"HGT","level":"700 mb","info":""}
850 mb 0h-384h 2026-04-16
{"name":"HGT","level":"850 mb","info":""}
925 mb 0h-384h 2026-04-16
{"name":"HGT","level":"925 mb","info":""}
SPFH –Specific Humidity (kg/kg)
13 variants
NOAA GRIB2 Table 4.2-0-1

Specific humidity is the mass of water vapor per mass of air at the specified level. It is central to moisture transport.

  • Units: kg/kg.
  • Higher values indicate more atmospheric moisture and greater cloud or precip potential.
Level Info Horizon Introduced Selector
100 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"100 mb","info":""}
1000 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"1000 mb","info":""}
150 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"150 mb","info":""}
200 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"200 mb","info":""}
250 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"250 mb","info":""}
300 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"300 mb","info":""}
400 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"400 mb","info":""}
50 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"50 mb","info":""}
500 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"500 mb","info":""}
600 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"600 mb","info":""}
700 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"700 mb","info":""}
850 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"850 mb","info":""}
925 mb 0h-384h 2026-04-16
{"name":"SPFH","level":"925 mb","info":""}
TMP –Temperature (K)
13 variants
NOAA GRIB2 Table 4.2-0-0

Air temperature is the thermal state of the atmosphere at the specified level. It influences density, stability, and energy exchange.

  • Units: K.
Level Info Horizon Introduced Selector
100 mb 0h-384h 2026-04-16
{"name":"TMP","level":"100 mb","info":""}
1000 mb 0h-384h 2026-04-16
{"name":"TMP","level":"1000 mb","info":""}
150 mb 0h-384h 2026-04-16
{"name":"TMP","level":"150 mb","info":""}
200 mb 0h-384h 2026-04-16
{"name":"TMP","level":"200 mb","info":""}
250 mb 0h-384h 2026-04-16
{"name":"TMP","level":"250 mb","info":""}
300 mb 0h-384h 2026-04-16
{"name":"TMP","level":"300 mb","info":""}
400 mb 0h-384h 2026-04-16
{"name":"TMP","level":"400 mb","info":""}
50 mb 0h-384h 2026-04-16
{"name":"TMP","level":"50 mb","info":""}
500 mb 0h-384h 2026-04-16
{"name":"TMP","level":"500 mb","info":""}
600 mb 0h-384h 2026-04-16
{"name":"TMP","level":"600 mb","info":""}
700 mb 0h-384h 2026-04-16
{"name":"TMP","level":"700 mb","info":""}
850 mb 0h-384h 2026-04-16
{"name":"TMP","level":"850 mb","info":""}
925 mb 0h-384h 2026-04-16
{"name":"TMP","level":"925 mb","info":""}
UGRD –U-Component of Wind (m/s)
13 variants
NOAA GRIB2 Table 4.2-0-2

U‑component of wind is the east‑west component of the horizontal wind. Combine with v for speed and direction.

  • Units: m/s.
  • Combine u and v components to compute speed and direction.
Level Info Horizon Introduced Selector
100 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"100 mb","info":""}
1000 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"1000 mb","info":""}
150 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"150 mb","info":""}
200 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"200 mb","info":""}
250 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"250 mb","info":""}
300 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"300 mb","info":""}
400 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"400 mb","info":""}
50 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"50 mb","info":""}
500 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"500 mb","info":""}
600 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"600 mb","info":""}
700 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"700 mb","info":""}
850 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"850 mb","info":""}
925 mb 0h-384h 2026-04-16
{"name":"UGRD","level":"925 mb","info":""}
VGRD –V-Component of Wind (m/s)
13 variants
NOAA GRIB2 Table 4.2-0-2

V‑component of wind is the north‑south component of the horizontal wind. Combine with u for speed and direction.

  • Units: m/s.
  • Combine u and v components to compute speed and direction.
Level Info Horizon Introduced Selector
100 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"100 mb","info":""}
1000 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"1000 mb","info":""}
150 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"150 mb","info":""}
200 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"200 mb","info":""}
250 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"250 mb","info":""}
300 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"300 mb","info":""}
400 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"400 mb","info":""}
50 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"50 mb","info":""}
500 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"500 mb","info":""}
600 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"600 mb","info":""}
700 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"700 mb","info":""}
850 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"850 mb","info":""}
925 mb 0h-384h 2026-04-16
{"name":"VGRD","level":"925 mb","info":""}
VVEL –Vertical Velocity (Pressure) (Pa/s)
13 variants
NOAA GRIB2 Table 4.2-0-2

Vertical velocity in pressure coordinates (omega). Negative values indicate upward motion (rising air); positive values indicate subsidence.

  • Units: Pa/s.
Level Info Horizon Introduced Selector
100 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"100 mb","info":""}
1000 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"1000 mb","info":""}
150 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"150 mb","info":""}
200 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"200 mb","info":""}
250 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"250 mb","info":""}
300 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"300 mb","info":""}
400 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"400 mb","info":""}
50 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"50 mb","info":""}
500 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"500 mb","info":""}
600 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"600 mb","info":""}
700 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"700 mb","info":""}
850 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"850 mb","info":""}
925 mb 0h-384h 2026-04-16
{"name":"VVEL","level":"925 mb","info":""}

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