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RISSnowfall From Lake-Effect Storms
Publisher: American Meteorological Society
Abstract: Three yr of winter lake-storm data were analyzed to determine snowfall distribution patterns downwind of Lake Erie and Lake Ontario. The total amount of snowfall and the area of ground cover in each of 23 lake-effect storms ...
Variational Assimilation of VAS Data into a Mesoscale Model; Assimilation Method and Sensitivity Experiments
Publisher: American Meteorological Society
Abstract: A variational method has been developed to assimilate VAS temperature and moisture gradient information into a mesoscale model. A series of experiments were conducted to test the sensitivity of both adiabatic and diabatic ...
Numerical Simulations of the Subsynoptic Features Associated with the AVE-SESAME I Case. Part I: The Preconvective Environment
Publisher: American Meteorological Society
Abstract: A series of mesoscale numerical simulations of the AVE-SESAME I case (10 April 1979) were performed in order to analyze the dynamical processes that result in the production of an environment favorable for the development ...
A 32-km Moist Primitive Equation Model Providing for Scale Interaction
Publisher: American Meteorological Society
Abstract: A numerical model has been developed in an effort to simulate the interaction between quasi-geostrophic and mesoscale forcing. Initializations performed at 127 km with either a diagnostic omega equation or barotropic ...
The Role of Upstream Midtropospheric Circulations in the Sierra Nevada Enabling Leeside (Spillover) Precipitation. Part I: A Synoptic-Scale Analysis of Spillover Precipitation and Flooding in a Leeside Basin
Publisher: American Meteorological Society
Abstract: Pacific-originating storms that produce heavy leeside liquid precipitation in the Sierra Nevada are rare compared to those that generate windward slope rainfall. However, these leeside precipitation events have a profound ...
Numerical Study of the Orographic Forcing of Heavy Precipitation during MAP IOP-2B
Publisher: American Meteorological Society
Abstract: This paper investigates the local circulation associated with a heavy orographic rainfall event during 19?21 September 1999 [Mesoscale Alpine Programme Intensive Observing Period 2B (MAP IOP-2B)]. This event was simulated ...
Nowcasting Convective Activity for Space Shuttle Landings during Easterly Flow Regimes
Publisher: American Meteorological Society
Abstract: Space shuttle landings at the shuttle landing facility at Kennedy Space Center are subject to strict weather-related launch commit criteria and flight rules. Complex launch commit criteria and end-of-mission flight rules ...
Synoptic Climatological Analyses of Extreme Snowfalls in the Sierra Nevada
Publisher: American Meteorological Society
Abstract: The Sierra Nevada of eastern California receives heavy snowfall each year. However, it is the snowstorms that deposit heavy snowfall in a relatively short period of time that can cause major inconveniences and even ...
Characteristics of Sundowner Winds near Santa Barbara, California, from a Dynamically Downscaled Climatology: Environment and Effects near the Surface
Publisher: American Meteorological Society
Abstract: Abstract Sundowners are downslope windstorms that occur over the southern slopes of the east?west-trending Santa Ynez range in Santa Barbara County, California. In the past, many extreme fires in the area, including the ...
The Numerical Simulation of an Unbalanced Jetlet and Its Role in the Palm Sunday 1994 Tornado Outbreak in Alabama and Georgia
Publisher: American Meteorological Society
Abstract: Meso-beta-scale numerical model simulations and observational data are synthesized in an effort to develop a multistage paradigm for use in forecasting tornadic convection in the southeastern United States. The case study ...