Journal
ATMOSPHERIC RESEARCH
Volume 83, Issue 2-4, Pages 294-305Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.atmosres.2005.08.005
Keywords
thunderstorms; tornadoes; forecasting; climate
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Annual cycles of convectively important atmospheric parameters have been computed for a variety of from the National Center for Atmospheric Research (NCAR)/National Centers for Environmental Prediction (NCEP) global reanalysis, using 7 years of reanalysis data. Regions in the central United States show stronger seasonality in combinations of thermodynamic parameters than found elsewhere in North America or Europe. As a result, there is a period of time in spring and early summer when climatological mean conditions are supportive of severe thunderstorms. The annual cycles help in understanding the large-scale processes that lead to the combination of atmospheric ingredients necessary for strong convection. This, in turn, lays groundwork for possible changes in distribution of the environments associated with possible global climate change. (c) 2006 Elsevier B.V. All rights reserved.
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