“Heat waves have the clearest connection to global warming. “It seems obvious that as the global climate warms, heat waves would also warm”
Climate change makes weather worse : NPR
From the National Climate Assessment :
“As with warm daily temperatures, heat wave magnitude reached a maximum in the 1930s. The frequency of intense heat waves (4-day, 1-in-5 year events) has generally increased since the 1960s in most regions except the Midwest and the Great Plains”
Temperature Changes in the United States – Climate Science Special Report
“The year 1896 may have been one of the worst year for tornadoes in the history of the USA. There were at least 40 killer tornadoes, including the only one to cause more than 100 deaths in two separate cities.”
On May 27, 1896 St. Louis was largely destroyed by a tornado.
28 May 1896, Page 1 – The Brooklyn Daily Eagle at Newspapers.com