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ICON Thermals Forecast 🌙

Run: 14.07.2026 D2 03Z / RUC 05Z / EU 00Z

DWD · ECMWF · Open Flightmaps · CARTO / OSM

Preloading: 0/88
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0h 115h
Thermal Strength
< 0.5 m/s — None
0.5-1.0 m/s — Weak
1.0-1.5 m/s — Moderate
1.5-2.0 m/s — Good
2.0-2.5 m/s — Strong
2.5-3.0 m/s — Very Strong
3.0-4.0 m/s — Excellent
> 4.0 m/s — Extreme

Attribution

Weather data: DWD (ICON-D2 & ICON-EU) · ECMWF (IFS & AIFS)
Base map: Open Flightmaps
Overview map: CARTO / OpenStreetMap

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Thermals

Soaring-specific forecast: thermal strength (average climb rate in m/s), usable top of climb, Cumulus cloud base, and a bumpiness index for the boundary layer.

Derived from ICON-D2's boundary-layer parameters. Glider pilots use it for task planning; powered GA pilots can read the bumpiness index to anticipate low-level turbulence on a hot day.