Esempi dal corpus di testo per upper air
1. Upper air currents helped storms get bigger and focused them into a few places _ Cuba and the U.S.
2. "When low–ozone air currents in the lower layer enter the upper air layer, the overall ozone density is reduced," the journal said.
3. It would also fall in the general time frame of the biblical flood." Thompson said he does not know what caused the abrupt change –– one possibility is a "mega La Ni?a" shift in upper air currents.