This file came about because I wanted some thermals to keep gliders over part of Montana Region,USA.It adds some thermals to default Microsoft scenery
It will be useful to everybody who wants begin primary and advanced glider´s flight instruction.
The lift will begin 900 feet above ground level but you must release tow for about 2000 ft above ground to have time to find thermals as did in real flights.
Thermals Field square area coordinates around Missoula(ICAO code KMSO):