Weathers Models

Global
  • ECMWF IFS / AIFS
  • GFS, ICON Global, GEM, UKMO, JMA, CMA→ Multi-model robustness, global vision, and scenario comparison
Operational
  • AROME
  • ICON-D2→ Wind, propagation, fine phenomena in the very short term
Regional context
  • ICON Europe
  • ARPÈGE→ Regional coherence and anticipation at the European scale
Anticipation & strategy
  • ECMWF HRES (in v2)→ Reference for planning and decision-making
Analysis & RETEX
  • ERA5→ Climatological analysis, feedback, training

Model / Source
Coverage area
Description
Resolution / Type
Update frequency / Forecast horizon
AROME (Météo-France)
France
Very high-resolution local model, designed for fine-scale phenomena (wind, convection, thunderstorms, precipitation).
~1.3 km – deterministic
Hourly / 1–2 runs per day – up to 48h
HARMONIE-AROME (KNMI)
Western Europe / Netherlands
KNMI implementation of HARMONIE-AROME for high-resolution local forecasts.
~2.5 km – high resolution
Hourly – short range
HARMONIE-AROME (DMI)
Northern Europe
Danish implementation of HARMONIE-AROME, optimized for short-term forecasting.
~2.5 km – high resolution
Hourly – short range
ICON-D2 (DWD)
Germany + neighbouring areas
Very high-resolution model, well suited for severe winds and convective events.
~2.2 km – deterministic
Hourly – up to 48h
ICON Europe (DWD)
Europe
Regional model providing synoptic-scale and regional context.
~7 km
4 runs per day – short / medium range
ARPÈGE (Météo-France)
Extended Europe + France
Semi-global numerical weather prediction model used for medium-range forecasting.
~10 km (Europe), ~35 km (global)
4 runs per day – medium range
ECMWF HRES (IFS) (v2 – New)
Europe / France
ECMWF high-resolution deterministic reference model.
~9 km
2 runs per day – medium range
ECMWF IFS 0.25
Global
Global numerical weather prediction model from ECMWF.
0.25° (~25 km) – deterministic
2 runs per day – medium range
ECMWF AIFS 0.25
Global
AI-enhanced version of the ECMWF IFS model.
0.25° (~25 km) – hybrid AI
2 runs per day
ERA5 (ECMWF)
Global
Climate reanalysis providing consistent atmospheric data since 1979.
0.25° (~25 km) – historical data
Hourly – analysis & post-event review
GFS Global (NOAA)
Global
NOAA global model, widely used in open forecasting platforms (Windy, Ventusky).
13–25 km – deterministic
4 runs per day – up to 16 days
GEM Global (Canada)
Global
Canadian global model, widely used for wildfire risk applications in North America.
~25 km – deterministic
2 runs per day – medium range
ICON Global (DWD)
Global
Global model developed by the German Weather Service.
~13 km
4 runs per day – medium range
CMA GRAPES Global
Global
Global numerical model developed by the China Meteorological Administration.
~25 km – deterministic
2 runs per day
JMA GSM
Global
Global numerical weather prediction model from the Japan Meteorological Agency.
~20 km
2 runs per day
UKMO Global Deterministic
Global
Met Office global model, highly performant over oceans and for cyclonic systems.
~10 km
2 runs per day