Weather Term Definitions
- Katabatic Wind: Wind blowing down an incline, such as down a hillside; downslope wind. The opposite of a Anabatic Wind
- Kelvin Temperature Scale: A temperature scale in which zero degrees is the point at which all molecular motion ceases (absolute zero). Proposed in 1848 by William T. Kelvin, 1st Baron of Largs (1824-1907), Irish-born Scottish physicist and mathematician.
- Killing Frost: Frost severe enough to end the growing season. This usually occurs at temperatures below 28°F. Also called a Hard Freeze
- Knot(s): Unit of speed used in aviation and marine activities. One nautical mile per hour is equal to 1.15 MPH. A nautical mile is one minute of one degree of latitude. Abbreviated KT.