Plain English Meaning
Tiny, light raindrops falling slowly and steadily from low cloud, usually with poor visibility and low cloud bases.
Full Definition
A form of liquid precipitation made up of very small water droplets, generally less than 0.5 millimeters in diameter, that fall slowly and close together from low stratus clouds. Drizzle typically occurs in stable air with high humidity and is often accompanied by reduced visibility, low ceilings, and fog.
Context Anchor
Pilots encounter drizzle in weather observations, forecasts, and real conditions during taxi, , , and .