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Related term: Kelvin Temperature Scale
ABSOLUTE ZERO
Considered to be the point at which theoretically no molecular activity exists or the temperature at which the volume of a perfect gas vanishes. The value is 0? Kelvin, -273.15?
Occasionally the reader is referred to a related term whose definition contains an explanation of the term in question. With few exceptions, the "encyclopedic" approach (i.e., extensive information under a single broad heading) is avoided.
This glossary contains weather-related terms that may be either heard or used by severe local storm spotters or spotter groups.
Browse Related Terms: ABV, AFT, AFTR, AGN, ALG, ALTHO, AMD, AOA, ARND, BCM, BFR, BHND, BLV, BTR, BTWN, CLR, COND, DMSH, DURG, EBND, ELSW, ENDG, ERLY, EXCLD, FASTST, FTHR, GEN, GNRL, GRT, GRTST, GTR, HV, HWVR, IMPT, LRG, LTR, LTST, MDNGT, METRO, MISC, ...
DOWNSLOPE EFFECT The warming of an air flow as it descends a hill or mountain slope. Related term: upslope
DRAINAGE WIND A katabatic wind, it is caused by the cooling of air along the slopes of a mountain. Related term: mountain breeze ...
ECHO The energy return of a radar signal after it has hit the target. Related term: radar echo
ECLIPSE The obscuring of one celestial body by another. Related terms: lunar eclipse and solar eclipse ...
 See also: Weather, Earth, Air, Storm, Severe weather
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