Concept information
Preferred term
mesocyclone signature
Type
-
http://www.irandoc.ac.ir/onto/irandoc-meta/Concept
Broader concept
Definitions
- The Doppler velocity pattern of a mesocyclone within a severe thunderstorm. In a storm-relative reference frame, the idealized signature is symmetric about the radar viewing direction with marked azimuthal shear across the core region between peak Doppler velocity values of opposite sign. Typical signatures consist of Doppler velocity differences of 25? 75 m s-1 across core diameters of 2?8 km, with resulting azimuthal shear values of 5 ? 10-3 s-1 to 2 ? 10-2 s-1.
Obsolete
- false
In other languages
-
Persian
URI
http://www.irandoc.acir/onto/irandoc/SWEETT12754
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