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PVA
(redirected from Positive Vorticity Advection)

    Also found in: Wikipedia 0.03 sec.
AcronymDefinition
PVAParalyzed Veterans of America
PVAPolyvinyl Alcohol
PVAPolyvinyl Acetate
PVAPopulation Viability Analysis
PVAPatterned Vertical Alignment (Samsung)
PVAPositive Vorticity Advection
PVAPotato Virus A
PVAPassenger Vessel Association (trade organization)
PVAPresent Value of an Annuity (also seen as PVANN)
PVAPersonal Virtual Assistant (Conita)
PVAPerforming Visual Arts
PVAPeople's Volunteer Army (Korean War)
PVAPhotovoltaic Array
PVAProfessional Virtual Assistant
PVAPresent Value Analysis
PVAPublic Vessels Act (US)
PVAPeople Value Added
PVAPort Vulnerability Assessment
PVAPublic Vehicular Area
PVAPrivate VoIP Applications
PVAPhone Verified Account
PVAPollination Variant Astringent
PVAProject Validation Assessment
PVAProduit À Valeur Ajoutée
PVAPartitioned Viterbi Algorithm
PVAPolymerized Vinyl Acrylic
PVAPortable Vehicle Analyzer
PVAProcess Validation Enterprise
PVAProduction Verification Audit
PVAPreferred Vendor Assessment
PVAPhysical-Virtual Association


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? References in periodicals archive
This short-wave moved across Lower Michigan during the afternoon hours contributing to large scale ascent via differential positive vorticity advection in the 500-300 mb layer (not shown).
21 May 2001: environmental and radar aspects of a significant ... by Graham, Randy / National Weather Digest
Thus, Kocin and Uccellini (2004a,b) demonstrate that 10-inch snowfalls occur in portions of the Megalopolitan region under virtually any synoptic pattern that provides a strong surface cyclone, an 850 mb onshore jet, upper air support via positive vorticity advection at 500 mb, and a sufficiently deep subfreezing layer adjacent to the surface.
A synoptic climatology for heavy snowfall events spanning the East ... by Young, George S. / National Weather Digest
For the few cases where this scenario included an approaching closed low aloft, strong quasi-geostrophic forcing associated with differential positive vorticity advection was present.
Meteorological aspects of south-central and southwestern New Mexico ... by Rogash, Joseph / National Weather Digest
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