List of United States tornadoes from January to March 2017
From January to March 2017, various weather forecast offices of the National Weather Service confirmed at least 399 tornadoes across the United States, activity well beyond climatological norms. Based on the 1991–2010 average, the first month of the year is expected to see 35 tornadoes, with 29 occurring in February and 80 forming throughout March.
Source: Wikipedia — List of United States tornadoes from January to March 2017 (CC BY-SA 4.0)