GribStream

NOAA National Blend of Models Parallel - Oceanic

Código GribStream: nbmparoc

NBM 2 meter temperature across its complete oceanic product grid with black boundaries
NBM 2 m temperature across the complete populated footprint at the 10 km spacing used by the oceanic product family, with black boundaries. This coverage reference was generated from nbm for the nbmparoc page; available variables may differ.

Otras grillas NBM Parallel: nbmpar, nbmparak, nbmparhi, nbmparpr, nbmpargu

Estado: NBM v5 ya está operativo en GribStream bajo nbmoc. En nbmoc, las ejecuciones anteriores a 2026-05-05 12:00 UTC contienen la versión operativa anterior de NBM; las ejecuciones desde 2026-05-05 12:00 UTC en adelante usan NBM v5. Para integraciones de producción con NBM v5, usa nbmoc; los datasets nbmpar* quedan reservados para futuras iteraciones experimentales de NBM si NOAA vuelve a publicarlas en la línea paralela.

La fuente de origen es noaa-nbm-para-pds. GribStream mantiene la línea paralela bajo códigos dedicados para que puedas compararla con la familia operativa de NBM sin mezclarla con el dataset que usan tus integraciones actuales.

Referencias técnicas: PNS 25-45, notas de configuración v5.0 de invierno y NBM Versions.

Descripción

NBM Parallel Oceanic es la salida paralela pública del National Blend of Models para la grilla oceánica. Está pensada para comparación y validación cuando NOAA publica una línea experimental junto a la versión operativa.

Para uso de producción con NBM v5, el dataset recomendado es nbmoc. nbmparoc queda como referencia para comparar cambios o para futuras iteraciones experimentales que NOAA publique en la línea paralela.

NBM v5 no fue solo una actualización de parámetros. NOAA amplió gran parte de la guía horaria de 36 h a 48 h y revisó la mezcla con más procesamiento por mapeo de cuantiles, cambios en viento y ráfagas determinísticas, y fuentes de entrada de mayor resolución de ECMWF y Canadá.

Para el dominio oceánico, las notas de NBM v5 destacan guía probabilística de viento y ráfagas corregida por mapeo de cuantiles, productos actualizados de temperatura, punto de rocío y nubosidad, y una corrección de altura significativa de ola que pasa a mapeo de cuantiles con un conjunto de fuentes de entrada mucho más amplio.

En GribStream, nbmparoc mantiene selectores estables: los valores de name, level e info se copian exactamente desde el catálogo y no se traducen.

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.

APTMP –Apparent Temperature (K)
1 variant
NOAA GRIB2 Table 4.2-0-0

Apparent temperature combines air temperature, humidity, and wind to estimate how hot or cold it feels to humans. It is useful for heat and cold stress assessments.

  • Units: K.
Level Info Horizon Introduced Selector
2 m above ground 2h-264h 5 days ago
{"name":"APTMP","level":"2 m above ground","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 50% level 2h-264h 5 days ago
{"name":"DPT","level":"2 m above ground","info":"50% level"}
FRZSPR –Freezing Spray Indicator (boolean)
1 variant
NOAA GRIB2

Freezing spray indicator flags marine conditions favorable for ice accretion on vessels. It depends on wind, air temperature, and wave conditions.

  • Units: boolean.
Level Info Horizon Introduced Selector
surface 2h-264h 5 days ago
{"name":"FRZSPR","level":"surface","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 50% level 2h-264h 5 days ago
{"name":"GUST","level":"10 m above ground","info":"50% level"}
PWAT –Precipitable Water (kg/m^2)
9 variants
NOAA GRIB2 Table 4.2-0-1

Precipitable water is the total column water vapor from the surface to the top of the atmosphere. It is a key moisture indicator.

  • Units: kg/m^2.
Level Info Horizon Introduced Selector
entire atmosphere (considered as a single layer) 1h-264h 5 days ago
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":""}
entire atmosphere (considered as a single layer) 10% level 1h-264h 5 days ago
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":"10% level"}
entire atmosphere (considered as a single layer) 50% level 1h-264h 5 days ago
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":"50% level"}
entire atmosphere (considered as a single layer) 90% level 1h-264h 5 days ago
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":"90% level"}
entire atmosphere (considered as a single layer) prob >12.7 1h-264h 5 days ago
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":"prob >12.7"}
entire atmosphere (considered as a single layer) prob >25.4 1h-264h 5 days ago
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":"prob >25.4"}
entire atmosphere (considered as a single layer) prob >38.1 1h-264h 5 days ago
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":"prob >38.1"}
entire atmosphere (considered as a single layer) prob >50.8 1h-264h 5 days ago
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":"prob >50.8"}
entire atmosphere (considered as a single layer) prob >63.5 1h-264h 5 days ago
{"name":"PWAT","level":"entire atmosphere (considered as a single layer)","info":"prob >63.5"}
TCDC –Total Cloud Cover (percent)
2 variants
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
surface 2h-264h 5 days ago
{"name":"TCDC","level":"surface","info":""}
surface ens std dev 2h-264h 5 days ago
{"name":"TCDC","level":"surface","info":"ens std dev"}
THUNC –Thunderstorm Probability (percent)
1 variant
NOAA GRIB2 Table 4.2-0-7

Thunderstorm probability gives the chance of thunderstorms during the valid period. It is used for convective hazard guidance.

  • Units: percent.
Level Info Horizon Introduced Selector
entire atmosphere 1h-36h 5 days ago
{"name":"THUNC","level":"entire atmosphere","info":""}
TMP –Temperature (K)
2 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
2 m above ground 50% level 2h-264h 5 days ago
{"name":"TMP","level":"2 m above ground","info":"50% level"}
surface 2h-264h 5 days ago
{"name":"TMP","level":"surface","info":""}
TPWDIR –Total Precipitable Water Transport Direction (degrees)
1 variant
NOAA GRIB2 Table 4.2-0-1

Total precipitable water transport direction is the direction of column‑integrated moisture flux. It indicates moisture transport pathways.

  • Units: degrees.
Level Info Horizon Introduced Selector
10 m above ground 2h-167h 5 days ago
{"name":"TPWDIR","level":"10 m above ground","info":""}
TPWSPD –Total Precipitable Water Transport Speed (m/s)
1 variant
NOAA GRIB2 Table 4.2-0-1

Total precipitable water transport speed is the magnitude of column‑integrated moisture transport. It highlights atmospheric river strength.

  • Units: m/s.
Level Info Horizon Introduced Selector
10 m above ground 2h-167h 5 days ago
{"name":"TPWSPD","level":"10 m above ground","info":""}
TSTM –Thunderstorm Indicator (boolean)
1 variant
NOAA GRIB2

Thunderstorm indicator flags the presence of thunderstorm conditions in the grid cell. It is used as a categorical hazard field.

  • Units: boolean.
Level Info Horizon Introduced Selector
surface probability forecast 1h-192h 5 days ago
{"name":"TSTM","level":"surface","info":"probability forecast"}
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 50% level 2h-264h 5 days ago
{"name":"VIS","level":"surface","info":"50% level"}
WDIR –Wind Direction (degrees)
6 variants
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 5h-264h 5 days ago
{"name":"WDIR","level":"10 m above ground","info":""}
10 m above ground 50% level 5h-264h 5 days ago
{"name":"WDIR","level":"10 m above ground","info":"50% level"}
10 m above ground 75% level 5h-264h 5 days ago
{"name":"WDIR","level":"10 m above ground","info":"75% level"}
10 m above ground 90% level 5h-264h 5 days ago
{"name":"WDIR","level":"10 m above ground","info":"90% level"}
30 m above ground 50% level 5h-264h 5 days ago
{"name":"WDIR","level":"30 m above ground","info":"50% level"}
80 m above ground 50% level 5h-264h 5 days ago
{"name":"WDIR","level":"80 m above ground","info":"50% level"}
WIND –Wind Speed (m/s)
8 variants
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 5h-264h 5 days ago
{"name":"WIND","level":"10 m above ground","info":""}
10 m above ground 10% level 2h-264h 5 days ago
{"name":"WIND","level":"10 m above ground","info":"10% level"}
10 m above ground 25% level 2h-264h 5 days ago
{"name":"WIND","level":"10 m above ground","info":"25% level"}
10 m above ground 50% level 2h-264h 5 days ago
{"name":"WIND","level":"10 m above ground","info":"50% level"}
10 m above ground 75% level 2h-264h 5 days ago
{"name":"WIND","level":"10 m above ground","info":"75% level"}
10 m above ground 90% level 2h-264h 5 days ago
{"name":"WIND","level":"10 m above ground","info":"90% level"}
30 m above ground 50% level 2h-264h 5 days ago
{"name":"WIND","level":"30 m above ground","info":"50% level"}
80 m above ground 50% level 2h-264h 5 days ago
{"name":"WIND","level":"80 m above ground","info":"50% level"}

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