| Term: | Radiation frost |
| Definition: |
Frost caused by nocturnal radiational cooling of the Earth's surface, usually under conditions of clear skies and little or no wind. Surface temperatures must fall to 0 degrees C or below. WMOMeteoterm
Freezing conditions that typically occur on clear nights with little or no wind, when the outgoing is greater than the incoming radiation and cooling air temperature near the surface creates a stable temperature inversion near the ground. AMSglossary GCW |