Availability is affected by such factors as precipitation intensity, season, temperature, ground cover, sod type, etc.
The amount of backscattered energy generally is related to precipitation intensity, such that higher values of dBZ that are detected from precipitation areas generally indicate higher precipitation rates.
Another effect that is related to precipitation intensity is the cold air that is dragged down by the falling elements and the associated downdraughts.
It is used to observe precipitation intensity and movement; determine storm structure; estimate hail potential; locate boundaries (cold front, outflow, lake breeze, etc.); identify cloud layers; and detect light snow, drizzle, birds, insects, ...
A radar term referring to the ability of a radar target to return energy. Reflectivity is used to derive echo intensity, and to estimate precipitation intensity and rainfall rates. See VIP.
Relative humidity ...
Reflectivity - a radar term referring to the ability of a radar target to return energy; used to derive echo intensity and to estimate precipitation intensity and rainfall rates ...
 See also: Thunder, Rain, Precipitation, Radar, Cloud
  
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