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ICON Thermals Forecast 🌙

Run: 26.10.2026 D2 09Z / RUC 11Z / EU 06Z

DWD · ECMWF · Open Flightmaps · CARTO / OSM · openAIP

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+0:00
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
Obstacles: openAIP · CC BY-NC 4.0 (filtered)

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Thermals

Soaring-specific forecast with four switchable layers — pick one with the selector above the legend: Thermal Strength (average climb rate, m/s), Usable Height (top of usable climb, ft AGL), Cu Cloudbase (cumulus cloud base, ft AGL), and Bumpiness (boundary-layer turbulence index).

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

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