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Robin L. Tanamachi, Wayne F. Feltz, and Ming Xue

bore as described by Koch and Clark (1999) . A pronounced, eastward-propagating, downslope surge of very dry air can be seen in a series of both meridional ( Fig. 12 ) and zonal cross sections of q υ ( Fig. 13 ), and appears as a dryline at the surface. In these views, it can be seen that a dry air “wedge” becomes uncoupled from the surface around 1300 UTC owing to the intrusion from the north of cold outflow air, but it continues to propagate toward the east above a shallow layer of moist air

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Steven E. Koch, Wayne Feltz, Frédéric Fabry, Mariusz Pagowski, Bart Geerts, Kristopher M. Bedka, David O. Miller, and James W. Wilson

. Haase (1991) simulated a borelike disturbance associated with an observed cold front. Manobianco and Nutter (1999) numerically predicted observed density currents in the form of a sea breeze. Thomsen and Smith (2006) simulated a borelike disturbance on a stable layer, which was provided by the relatively cool air associated with a sea breeze. The present study differs from theirs in several important respects: 1) our study employs a model with a resolution several times higher than theirs (0

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