Meteorix · Advanced Observation · Observed radar and LibreWXR nowcasting
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🌧 Leyenda del radar

Lluvia · intensidad visual

DébilModeradaIntensa
Nieve · tonos fríos

Colores orientativos de la paleta Viper HD (10). No son umbrales numéricos exactos ni identifican granizo o lluvia mixta.

La nieve se diferencia mediante datos de modelos integrados en LibreWXR, no por clasificación directa del radar.

Hora del fotograma: —

Fuente: LibreWXR · radar observado y previsión inmediata. Cartografía: Natural Earth / OpenMapTiles.

Precipitación: LibreWXR · cartografía Meteorix (Natural Earth / OpenMapTiles)

Worldwide ECMWF cloud forecast map

· Información

Explore global total, high, middle and low cloud cover forecasts from ECMWF IFS for the next 24 hours.

This layer shows ECMWF IFS forecast cloud cover (approximately 0.25°), not observed satellite imagery. Select Total, High, Middle or Low to explore forecast cloud fractions by level. In Total, grey represents low cloud, brighter white-grey represents middle cloud, and pale blue-white represents high cloud. Colours blend where layers overlap; opacity is controlled by total cloud cover (TCC), not the sum of layer fractions. This is an interpretative composite, not a measurement of exact cloud height or an identification of individual cloud types. The timeline runs from near now to +24 h, with original model steps every 3 hours and interpolated endpoints. Displayed UTC timestamps are forecast valid times. For observed clouds, use Satellite or Infrared. Source: ECMWF IFS Open Data (CC BY 4.0).

Cloud-height colour guide

Interpretative colours in the Total layer:

  • Low clouds · Grey: predominantly low cloud.
  • Middle clouds · Brighter white-grey: predominantly middle cloud.
  • High clouds · Pale blue-white: predominantly high cloud.

Colours mix where multiple layers overlap. Colour does not measure precise cloud height or rainfall intensity.

Learn meteorology: what do the clouds tell us?

Compare high, middle and low cloud layers over the next 24 hours. Their combinations offer clues about moisture and atmospheric evolution:

CombinationPossible interpretation
Extensive low cloud, little high cloudMoisture near the surface, stratus clouds or persistent overcast weather.
Extensive high cloud, little low cloudA possible approaching front, or high cloud without rainfall.
High cloud increasing, followed by middle cloudPossible evolution of a frontal system. Follow how the layers change over time.
Extensive middle and low cloudMoist air at multiple levels; precipitation may develop if there is sufficient uplift.
Extensive cloud at all three levelsAn extensive cloud system that may accompany active fronts or convection; layers may be separated and do not by themselves confirm vertically developed clouds.

This is general guidance, not an automatic diagnosis. Multiple cloud layers do not by themselves confirm rain or thunderstorms. ECMWF forecasts the fraction of sky covered in each layer; also consider precipitation, humidity, pressure and stability.