Fewer but fiercer tornado days New analysis of tornado counts in the United States dating back to the 1950s has found that, while America has consistently seen around 1,000 tornadoes each year, the number of days in which those tornadoes have occurred has been steadily decreasing. (scientificamerican.com)
«Common insurance risk management tools like reinsurance and catastrophe bonds are often structured around storm outbreaks rather than individual tornadoes, so an increasing concentration of tornadoes into larger outbreaks provides a mechanism to change loss potential without necessarily altering the underlying tornado count. (sciencedaily.com)
This brings the 2015 preliminary tornado count to 1,183 with the final count expected to be lower. (ncdc.noaa.gov)