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Monitoring and Understanding Trends in Extreme Storms: State of Knowledge

Preliminary version – Monitoring and Understanding Trends in Extreme Storms: State of Knowledge, American Meteorological Society

  • “This paper examines a specific subset of extreme weather and climate types affecting the 73 United States. For our purposes, storm-related extremes here refer to those short duration events that have levels/types of wind and/or precipitation at local to 74 regional scales that are 75 uncommon for a particular place and time of year (Peterson et al. 2008). The categories of 76 storms described herein were chosen because they often cause property damage and loss of
    77 life, but the identification of an extreme occurrence is based on meteorological properties, not 78 on the destructiveness. Our primary purpose is to examine the scientific evidence for our 79 capability to detect trends and understand their causes for the following weather types: (1) 80 severe convective storms (tornadoes, hail storms, and severe thunderstorms), (2) extreme 81 precipitation, (3) hurricanes and typhoons, and (4) severe snowstorms and ice storms. These 82 storm categories are not independent. Extreme precipitation can occur in any of the other 83 three. Categories 1 and 4 are both typically associated with extratropical cyclones and 84 sometimes in the same one. Nevertheless, the particular impacts are distinct and thus a 85 separate examination of each of these is warranted.”
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