The North Hemisphere frosty mask is an advanced masking system as no other available anywhere. The system is finely calibrated to work for every region it cover in the Northern Hemisphere; and yet offer thousands of more opportunities to add variations; for instance creation of microclimate custom colours. The system load in less than 10 seconds it is very frames rates friendly; is free; and as no other masking system available. This mask add an additional frosty effect to msfs; to simulate missing frosty condition; to be more precise: snowless frozen land. Is a fine layer of ice; covering fields; photogrammetry roofs in most cases dry rivers beds; and many more places where frost is found in Winter months including mountains slopes. It is a vast coverage; as such effects might be slightly different from area to area cause default orthophotos color;
overall the scenery work well in all areas. Coverage from N 25 up to North Pole. Frost effects also in force on airports.