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A Numerical Study of an Extreme Cold-Air Outbreak over the Labrador Sea: Sea Ice, Air–Sea Interaction, and Development of Polar Lows
Publisher: American Meteorological Society
Abstract: In this paper, the ability of the MM5 mesoscale forecast model to simulate the air?sea interaction, boundary layer development, and mesoscale structure associated with a cold-air outbreak over the Labrador Sea is investigated. ...
Analysis and Modeling of an Extremely Dense Fog Event in Southern Ontario
Publisher: American Meteorological Society
Abstract: In this study, a dense fog episode that occurred near Windsor, Ontario, Canada, on 3 September 1999 is investigated. The fog patch, with a spatial scale of several kilometers, reduced visibility on a major highway to a few ...
Improved Vertical Covariance Estimates for Ensemble-Filter Assimilation of Near-Surface Observations
Publisher: American Meteorological Society
Abstract: Strategies to improve covariance estimates for ensemble-based assimilation of near-surface observations in atmospheric models are explored. It is known that localization of covariance estimates can improve conditioning of ...
Turbulent Mixing Processes in Atmospheric Bores and Solitary Waves Deduced from Profiling Systems and Numerical Simulation
Publisher: American Meteorological Society
Abstract: Families of solitary waves (?solitons?) associated with two atmospheric bores on the same day were observed by an unprecedented number of ground-based and airborne profiling systems during the International H2O Project ...