Weather Forecasting For Soaring Flight -wmo- Technical Note No. 203- Here
WMO Technical Note No. 203 is more than a forecasting manual; it is a philosophy of flight. It argues that the atmosphere is a fluid landscape, with mountains of rising air and valleys of sinking air.
For the modern soaring pilot, the note provides a checklist: WMO Technical Note No
The most common source for cross-country flight. Caused by solar heating of the Earth's surface. WMO Technical Note No