Negative Vorticity Advection
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- (Abbrev. NVA) - the advection of lower values of vorticity into an area.
NOAA National Weather Service - Cite This Source - This Definition - DPVA, EPV, NEG, NVA, Positive Vorticity Advection, Potential Vorticity, PVA, Relative Vorticity, Vorticity, VOT