Operations

Weather Deviation

Definition

A lateral or vertical deviation from the assigned route or altitude to avoid hazardous weather. Pilots request weather deviations from ATC using the phrase requesting deviation for weather. ATC provides clearance or alternatives.

Related Terms

Thunderstorm

A convective weather phenomenon producing lightning, heavy rain, turbulence, hai...

Turbulence

Irregular atmospheric motion causing an aircraft to experience bumps, altitude c...

Air Traffic Control(ATC)

A service provided by ground-based controllers directing aircraft movement in co...

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