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RISA Forecast and Analyzed Cyclogenesis Event Diagnosed with Potential vorticity
Publisher: American Meteorological Society
Abstract: A cyclone that developed over the eastern United States during December 1992 is investigated using a potential vorticity (PV) framework. Upon partitioning the perturbation PV field (which includes the near-surface potential ...
New Methods toward Minimizing the Slow Speed Bias Associated with Atmospheric Motion Vectors
Publisher: American Meteorological Society
Abstract: omparisons between satellite-derived winds and collocated rawinsonde observations often show a pronounced slow speed bias at mid- and upper levels of the atmosphere. A leading cause of the slow speed bias is the improper ...
Assimilation of High-Resolution Satellite-Derived Atmospheric Motion Vectors: Impact on HWRF Forecasts of Tropical Cyclone Track and Intensity
Publisher: American Meteorological Society
Abstract: t is well known that global numerical model analyses and forecasts benefit from the routine assimilation of atmospheric motion vectors (AMVs) derived from meteorological satellites. Recent studies have also shown that the ...
Recent Innovations in Deriving Tropospheric Winds from Meteorological Satellites
Publisher: American Meteorological Society
Abstract: The evolving constellation of environmental/meteorological satellites and their associated sensor technology is rapidly advancing. This is providing opportunities for creatively improving satellite-derived products used ...
Tropical Cyclone Forecasts Impact Assessment from the Assimilation of Hourly Visible, Shortwave, and Clear-Air Water Vapor Atmospheric Motion Vectors in HWRF
Publisher: American Meteorological Society
Abstract: The assimilation of atmospheric motion vectors (AMVs) provides important wind information to conventional data-lacking oceanic regions, where tropical cyclones spend most of their lifetimes. Three new AMV types, shortwave ...