That depends on what you mean by "most extreme."
March 18, 1925.
No particularly historic tornadoes occurred on March 3, 1925.However, the Tri-State tornado occurred on March 18, 1925. It was the deadliest U.S. tornado, but not the most destructive. That tornado hit portions of eastern Missouri, southern Illinois, and southwestern Indiana.Until recently, the tornado most widely attributed as the most destructive in history was on May 3, 1999 in the Oklahoma City metro area. However, since then the title of most destructive tornado has gone to the one that hit Joplin, Missouri on May 22, 2011.
The worst tornado in U.S. history caused damage in Missouri, Illinois, and Indiana. The worst tornado in world history (the Daulatpur-Salturia tornado) occurred in Bangladesh so it did not hit any states per se.
The Tri-State Tornado, which occurred on March 18, 1925, is widely considered one of the most powerful tornadoes in U.S. history. However, because the Fujita Scale was developed after this tornado, it is not officially rated on that scale.
The deadliest tornado in U.S. history was the Tri-State Tornado, which occurred on March 18, 1925. The tornado tore through Missouri, Illinois, and Indiana, killing 695 people and causing extensive damage along its 219-mile path. It remains the deadliest tornado in recorded history worldwide.
There are a number of extreme weather events in the U.S. in the past 10 years. Two of the most notable are the tornado outbreak on April 25-28, 2011 and Hurricane Sandy in October 2012.
The deadliest tornado in history was the Daulatpur/Saturia tornado of April 26, 1989. This tornado stuck the Dhaka district of Bangladesh, killing an estimated 1,300 people.
One of the most recent tornadoes in 2010 was the Joplin tornado on May 22, 2010, in Missouri, which was one of the deadliest tornadoes in U.S. history. It was an EF5 tornado that caused significant damage and loss of life in the area.
The Daulatpur-Saturia tornado of Bangladesh is the deadliest tornado in world history, with a death toll of about 1,300.
Yes, there have been tornadoes in Wolcott, Connecticut. The most recent tornado in Wolcott occurred on May 15, 2018, rated EF1. Wolcott has experienced a few tornadoes in its history, with varying intensity levels.
Oddly enough, two tornadoes tie as the deadliest in Texas history. Both the Goliad, Texas tornado of May 18, 1902 and the Waco, Texas tornado of May 11, 1953 killed 114 people. This figure also ties them for 11th place among the deadliest tornadoes in U.S. history
The deadliest tornado in Oklahoma history was the Woodward tornado of April 9, 1947 with 181 deaths.