At a glance Niederwind – thermal wind with constant good weather between 11 a.m. and 3 p.m. Oberwind – before or after a cold front between 5-9 o’clock May- October…
At a glance Niederwind – thermal wind with constant good weather between 11 a.m. and 3 p.m. Oberwind – before or after a cold front between 5-9 o’clock May- October…