e/Anomalous propagation

Information
has gloss	eng: Anomalous propagation includes different forms of electromagnetic (EM) wave propagation that are not encountered in a standard atmosphere. While technically the term includes propagation with larger losses than in standard atmosphere, in practical applications it is most often meant to refer to cases when signal propagates beyond normal radio horizon.
lexicalization	eng: Anomalous propagation
instance of	(noun) radar that is able to detect clouds and precipitation weather radar