The wind jet occurred most frequently at night when the atmosphere becomes more thermally stable, reducing the frictional effect of surface roughness on wind speed.
(The wind jet; occurred; T:most frequently; T:at night; T:when the atmosphere becomes more thermally stable, reducing the frictional effect of surface roughness on wind speed) (the atmosphere; becomes; more thermally stable)
The wind jet the atmosphere
occurred becomes
T:most frequently T:at night T:when the atmosphere becomes more thermally stable, reducing the frictional effect of surface roughness on wind speed
more thermally stable