https://heartland.org/opinion/noaa-reports-tornado-activity-at-all-time-record-low/
NOAA Reports Tornado Activity at All-Time Record Low - The Heartland Institute
May 5, 2013 - Fewer tornadoes have struck the United States during the past 12 months than in any other 12-month period in U.S. history, the National Oceanic and Atmospheric...
all time recordnoaa reports