Lake Effect Snow Storms
نویسنده
چکیده
Definition: The term “lake effect” generally refers to the effect of any lake in modifying the weather about its shore and for some distance downwind. In the United States, this term is applied specifically to the region about the Great Lakes or the Great Salt Lake. More specifically, lake effect often refers to the generation of sometimes spectacular snowfall amounts to the lee of the Great Lakes as cold air passes over the lake surface, extracting thermodynamic energy and moisture, resulting in cloud formation and snowfall downwind of the lake shore.
منابع مشابه
Localized precipitation and runoff on Mars
[1] We use the Mars Regional Atmospheric Modeling System (MRAMS) to simulate lake storms onMars, finding that intense localized precipitation will occur for lake size ≥10 km. Mars has a low‐density atmosphere, so deep convection can be triggered by small amounts of latent heat release. In our reference simulation, the buoyant plume lifts vapor above condensation level, forming a 20 km high opti...
متن کاملLake-effect snow accounts for over one-half of the annual snowfall total in many lakeshore communities of the Great Lakes. A multitude of factors including local (coastal) geography, wind velocity, atmospheric stability, and lake-air temperature
Observations of lake-effect storms that occur over the Great Lakes region during late autumn and winter indicate a high sensitivity to ambient wind speed and direction. In this paper, a twodimensional version of the Penn State University/National Center for Atmospheric Research (PSU/ NCAR) model is used to investigate the wind speed effects on lake-effect snowstorms that occur over the Great La...
متن کاملTemporal and Spatial Aspects of Snow Distribution in the Nam Co Basin on the Tibetan Plateau from MODIS Data
Large areas of the Tibetan plateau are only covered by a sparse network of ground snow sampling stations, while the snow cover is highly heterogeneously distributed due to wind, topography etc. Nevertheless, the snow accumulation and spatial patterns play an important role in the hydrological cycle. It releases moisture during the dry spring period before the onset of the monsoon season. Widely...
متن کاملHolocene climatic change and the development of the lake-effect snowbelt in Michigan, USA
Lake-effect snow is an important constraint on ecological and socio-economic systems near the North American Great Lakes. Little is known about the Holocene history of lake-effect snowbelts, and it is difficult to decipher how lake-effect snowfall abundance affected ecosystem development. We conducted oxygen-isotope analysis of calcite in lake-sediment cores from northern Lower Michigan to infe...
متن کاملDemographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird
Weather extremes are one important element of ongoing climate change, but their impacts are poorly understood because they are, by definition, rare events. If the frequency and severity of extreme weather events increase, there is an urgent need to understand and predict the ecological consequences of such events. In this study, we aimed to quantify the effects of snow storms on nest survival i...
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