Plain English Meaning
The wind blowing at ground level, given as the direction it's coming from and how fast it's moving.
Full Definition
The wind measured at or near ground level, typically reported in degrees true (in METARs and aviation forecasts) or degrees magnetic (when given by ATC for takeoff and landing), along with speed in knots. Standard measurement is taken approximately 10 meters (33 feet) above the surface in an open, unobstructed area.
Context Anchor
Seen in takeoff and landing planning, airport weather reports, runway selection, and performance discussions.