GribStream

RTMA Rapid Update (CONUS)

Código GribStream: rtmaru

RTMA 2 meter temperature analysis across its complete populated grid
RTMA 2 m temperature analysis across its complete populated 2.5 km grid, shared with the related analysis product family and shown with black boundaries. This coverage reference was generated from rtma for the rtmaru page; available variables may differ.

Descripción

RTMA Rapid Update, publicado a menudo como rtma2p5_ru, es un análisis de superficie casi en tiempo real con cadencia de 15 minutos.

Usa la grilla Lambert CONUS de 2.5 km de la familia NDFD y está pensado para productos donde los análisis horarios no capturan cambios dentro de la hora.

Frente a RTMA horario, Rapid Update prioriza el detalle temporal para capturar cambios dentro de la hora. Para un análisis finalizado de mayor calidad y más latencia, usa URMA.

En GribStream, rtmaru sirve para consultar campos de superficie por coordenada y tiempo sin descargar archivos completos, manteniendo el mismo patrón de API que RTMA y URMA.

Detalle

Datasets relacionados

Parámetros

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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.

CEIL –Ceiling Height (m)
1 variant
NOAA GRIB2 Table 4.2-0-3

Ceiling height is the altitude of the lowest cloud base that covers a significant portion of the sky. It is a key aviation and surface-visibility metric.

  • Units: m.
Level Info Horizon Introduced Selector
cloud ceiling -45m-0m 2026-02-04
{"name":"CEIL","level":"cloud ceiling","info":""}
DPT –Dew Point Temperature (K)
1 variant
NOAA GRIB2 Table 4.2-0-0

Dew point temperature is the temperature at which the air becomes saturated. It is a direct measure of moisture content.

  • Units: K.
  • When dew point is close to air temperature, fog or low cloud potential increases.
Level Info Horizon Introduced Selector
2 m above ground -45m-0m 2026-02-04
{"name":"DPT","level":"2 m above ground","info":""}
GUST –Wind Speed (Gust) (m/s)
1 variant
NOAA GRIB2 Table 4.2-0-2

Wind gust is the peak short-duration wind speed. It captures brief, hazardous bursts that can exceed sustained winds.

  • Units: m/s.
Level Info Horizon Introduced Selector
10 m above ground -45m-0m 2026-02-04
{"name":"GUST","level":"10 m above ground","info":""}
HGT –Geopotential Height (gpm)
1 variant
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
surface -45m-0m 2026-02-04
{"name":"HGT","level":"surface","info":""}
PRES –Pressure (Pa)
1 variant
NOAA GRIB2 Table 4.2-0-3

Pressure is the atmospheric pressure at the specified level. It is a fundamental mass-field variable for dynamics and thermodynamics.

  • Units: Pa.
Level Info Horizon Introduced Selector
surface -45m-0m 2026-02-04
{"name":"PRES","level":"surface","info":""}
SPFH –Specific Humidity (kg/kg)
1 variant
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
2 m above ground -45m-0m 2026-02-04
{"name":"SPFH","level":"2 m above ground","info":""}
TCDC –Total Cloud Cover (percent)
1 variant
NOAA GRIB2 Table 4.2-0-6

Total cloud cover is the fraction of the grid cell covered by clouds at any level. It influences radiation, temperature, and visibility.

  • Units: percent.
  • Cloud fraction influences surface radiation and temperature.
Level Info Horizon Introduced Selector
entire atmosphere (considered as a single layer) -45m-0m 2026-02-04
{"name":"TCDC","level":"entire atmosphere (considered as a single layer)","info":""}
TMP –Temperature (K)
1 variant
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
2 m above ground -45m-0m 2026-02-04
{"name":"TMP","level":"2 m above ground","info":""}
UGRD –U-Component of Wind (m/s)
1 variant
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
10 m above ground -45m-0m 2026-02-04
{"name":"UGRD","level":"10 m above ground","info":""}
VGRD –V-Component of Wind (m/s)
1 variant
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
10 m above ground -45m-0m 2026-02-04
{"name":"VGRD","level":"10 m above ground","info":""}
VIS –Visibility (m)
1 variant
NOAA GRIB2 Table 4.2-0-7

Horizontal visibility at the surface. Lower values indicate reduced visibility due to fog, precipitation, or aerosols.

  • Units: m.
Level Info Horizon Introduced Selector
surface -45m-0m 2026-02-04
{"name":"VIS","level":"surface","info":""}
WDIR –Wind Direction (degrees)
1 variant
NOAA GRIB2 Table 4.2-0-2

Wind direction indicates the direction from which the wind is blowing at the specified level.

  • Units: degrees.
Level Info Horizon Introduced Selector
10 m above ground -45m-0m 2026-02-04
{"name":"WDIR","level":"10 m above ground","info":""}
WIND –Wind Speed (m/s)
1 variant
NOAA GRIB2 Table 4.2-0-2

Wind speed is the magnitude of the horizontal wind at the specified level. It is used for transport, mixing, and hazards.

  • Units: m/s.
Level Info Horizon Introduced Selector
10 m above ground -45m-0m 2026-02-04
{"name":"WIND","level":"10 m above ground","info":""}

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