Forecast by windy traj versus track-flown: an Alps crossing by hot air balloon on 2019-12-29
The blue track is from the GPS, the other tracks are forecasts by the windy traj plugin.
Kudos to @rittels !!
Here's another long jump - from today
435km in under 4hrs, peak 80kts - and phenomenal forecast accuracy!
A video from the second flight: