GribStream

Taiwan CWA WRF 15 km Regional Forecast

Código GribStream: cwawrf15

Referencias: documento técnico CWA WRF 15 km, CWA Open Data en AWS y Taiwan Open Government Data License.

Descripción

CWA WRF 15 km es un pronóstico numérico regional de la Central Weather Administration de Taiwán. Aporta una mirada regional para Asia oriental y Pacífico occidental cuando necesitas más contexto local que el de un pronóstico global.

El dominio cubre una zona amplia desde los trópicos hacia Taiwán, el Mar de China Meridional, el Mar de Filipinas, aguas cercanas a Japón y corredores meteorológicos regionales afectados por tifones.

El modelo usa Weather Research and Forecasting (WRF), un sistema de mesoescala usado para pronóstico operativo e investigación atmosférica. CWA publica esta configuración regional de 15 km junto a un producto WRF de mayor resolución enfocado en Taiwán; esta es la opción de dominio más amplio, con grilla Lambert conforme de 661 por 385 puntos y pronósticos hasta 84 h.

El dataset incluye campos en niveles de presión y cercanos a superficie: viento, temperatura, humedad, altura, presión, precipitación, radiación y diagnósticos de superficie. Esa combinación ayuda cuando importan los gradientes de presión, el flujo director, la estructura de humedad y la evolución de precipitación.

En GribStream, cwawrf15 es útil cuando tu caso de uso se centra en Asia oriental o Pacífico occidental y necesita contexto regional junto a ECMWF IFS, GFS o AIGFS Surface.

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.

APCP –Accumulated Precipitation (kg/m^2)
1 variant
NOAA GRIB2 Table 4.2-0-1

Accumulated precipitation represents the total water-equivalent amount of rain and snow during the output period. It is a primary field for hydrologic impacts and event totals.

  • Units: kg/m^2.
  • Use with the model time interval to interpret totals and compare to gauges.
Level Info Horizon Introduced Selector
surface 0h-84h 3 days ago
{"name":"APCP","level":"surface","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 0h-84h 3 days ago
{"name":"DPT","level":"2 m above ground","info":""}
DZDT –Vertical Velocity (Geometric) (m/s)
11 variants
NOAA GRIB2 Table 4.2-0-2

Geometric vertical velocity (dz/dt) is the vertical speed of air in height coordinates. Positive values indicate rising motion and negative values sinking motion.

  • Units: m/s.
Level Info Horizon Introduced Selector
100 mb 0h-84h 3 days ago
{"name":"DZDT","level":"100 mb","info":""}
1000 mb 0h-84h 3 days ago
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150 mb 0h-84h 3 days ago
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200 mb 0h-84h 3 days ago
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700 mb 0h-84h 3 days ago
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850 mb 0h-84h 3 days ago
{"name":"DZDT","level":"850 mb","info":""}
925 mb 0h-84h 3 days ago
{"name":"DZDT","level":"925 mb","info":""}
HGT –Geopotential Height (gpm)
11 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-84h 3 days ago
{"name":"HGT","level":"100 mb","info":""}
1000 mb 0h-84h 3 days ago
{"name":"HGT","level":"1000 mb","info":""}
150 mb 0h-84h 3 days ago
{"name":"HGT","level":"150 mb","info":""}
200 mb 0h-84h 3 days ago
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250 mb 0h-84h 3 days ago
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300 mb 0h-84h 3 days ago
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400 mb 0h-84h 3 days ago
{"name":"HGT","level":"400 mb","info":""}
500 mb 0h-84h 3 days ago
{"name":"HGT","level":"500 mb","info":""}
700 mb 0h-84h 3 days ago
{"name":"HGT","level":"700 mb","info":""}
850 mb 0h-84h 3 days ago
{"name":"HGT","level":"850 mb","info":""}
925 mb 0h-84h 3 days ago
{"name":"HGT","level":"925 mb","info":""}
NSWRF –Net short-wave radiation flux (W/m^2)
1 variant

Net short-wave radiation flux (W/m^2).

Level Info Horizon Introduced Selector
surface 0h-84h 3 days ago
{"name":"NSWRF","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 0h-84h 3 days ago
{"name":"PRES","level":"surface","info":""}
PRMSL –Pressure Reduced to Mean Sea Level (Pa)
1 variant
NOAA GRIB2 Table 4.2-0-3

Pressure reduced to mean sea level is MSLP computed from surface pressure and temperature. It is used to locate highs and lows.

  • Units: Pa.
Level Info Horizon Introduced Selector
mean sea level 0h-84h 3 days ago
{"name":"PRMSL","level":"mean sea level","info":""}
RH –Relative Humidity (percent)
12 variants
NOAA GRIB2 Table 4.2-0-1

Relative humidity describes how close the air is to saturation at the specified level. High values favor cloud formation.

  • Units: percent.
  • Higher values indicate more atmospheric moisture and greater cloud or precip potential.
Level Info Horizon Introduced Selector
100 mb 0h-84h 3 days ago
{"name":"RH","level":"100 mb","info":""}
1000 mb 0h-84h 3 days ago
{"name":"RH","level":"1000 mb","info":""}
150 mb 0h-84h 3 days ago
{"name":"RH","level":"150 mb","info":""}
2 m above ground 0h-84h 3 days ago
{"name":"RH","level":"2 m above ground","info":""}
200 mb 0h-84h 3 days ago
{"name":"RH","level":"200 mb","info":""}
250 mb 0h-84h 3 days ago
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850 mb 0h-84h 3 days ago
{"name":"RH","level":"850 mb","info":""}
925 mb 0h-84h 3 days ago
{"name":"RH","level":"925 mb","info":""}
SKINT –Skin temperature (K)
1 variant

Skin temperature (K).

Level Info Horizon Introduced Selector
surface 0h-84h 3 days ago
{"name":"SKINT","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 0h-84h 3 days ago
{"name":"SPFH","level":"2 m above ground","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-84h 3 days ago
{"name":"TMP","level":"100 mb","info":""}
1000 mb 0h-84h 3 days ago
{"name":"TMP","level":"1000 mb","info":""}
150 mb 0h-84h 3 days ago
{"name":"TMP","level":"150 mb","info":""}
2 m above ground 0h-84h 3 days ago
{"name":"TMP","level":"2 m above ground","info":""}
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400 mb 0h-84h 3 days ago
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700 mb 0h-84h 3 days ago
{"name":"TMP","level":"700 mb","info":""}
850 mb 0h-84h 3 days ago
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925 mb 0h-84h 3 days ago
{"name":"TMP","level":"925 mb","info":""}
mean sea level 0h-84h 3 days ago
{"name":"TMP","level":"mean sea level","info":""}
UGRD –U-Component of Wind (m/s)
12 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
10 m above ground 0h-84h 3 days ago
{"name":"UGRD","level":"10 m above ground","info":""}
100 mb 0h-84h 3 days ago
{"name":"UGRD","level":"100 mb","info":""}
1000 mb 0h-84h 3 days ago
{"name":"UGRD","level":"1000 mb","info":""}
150 mb 0h-84h 3 days ago
{"name":"UGRD","level":"150 mb","info":""}
200 mb 0h-84h 3 days ago
{"name":"UGRD","level":"200 mb","info":""}
250 mb 0h-84h 3 days ago
{"name":"UGRD","level":"250 mb","info":""}
300 mb 0h-84h 3 days ago
{"name":"UGRD","level":"300 mb","info":""}
400 mb 0h-84h 3 days ago
{"name":"UGRD","level":"400 mb","info":""}
500 mb 0h-84h 3 days ago
{"name":"UGRD","level":"500 mb","info":""}
700 mb 0h-84h 3 days ago
{"name":"UGRD","level":"700 mb","info":""}
850 mb 0h-84h 3 days ago
{"name":"UGRD","level":"850 mb","info":""}
925 mb 0h-84h 3 days ago
{"name":"UGRD","level":"925 mb","info":""}
VGRD –V-Component of Wind (m/s)
12 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
10 m above ground 0h-84h 3 days ago
{"name":"VGRD","level":"10 m above ground","info":""}
100 mb 0h-84h 3 days ago
{"name":"VGRD","level":"100 mb","info":""}
1000 mb 0h-84h 3 days ago
{"name":"VGRD","level":"1000 mb","info":""}
150 mb 0h-84h 3 days ago
{"name":"VGRD","level":"150 mb","info":""}
200 mb 0h-84h 3 days ago
{"name":"VGRD","level":"200 mb","info":""}
250 mb 0h-84h 3 days ago
{"name":"VGRD","level":"250 mb","info":""}
300 mb 0h-84h 3 days ago
{"name":"VGRD","level":"300 mb","info":""}
400 mb 0h-84h 3 days ago
{"name":"VGRD","level":"400 mb","info":""}
500 mb 0h-84h 3 days ago
{"name":"VGRD","level":"500 mb","info":""}
700 mb 0h-84h 3 days ago
{"name":"VGRD","level":"700 mb","info":""}
850 mb 0h-84h 3 days ago
{"name":"VGRD","level":"850 mb","info":""}
925 mb 0h-84h 3 days ago
{"name":"VGRD","level":"925 mb","info":""}

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