A six-day tornado sequence in May 2011 left a path of catastrophic destruction
In short: Between May 21 and May 26, 2011, a series of violent tornado outbreaks swept across the United States, stretching from Lake Superior to Texas. The sequence included two EF5 tornadoes and resulted in 186 deaths, marking it as one of the deadliest and costliest tornado events in modern American history.
The outbreak sequence began on May 21, 2011, with storms in Kansas, including an EF3 tornado that struck Reading. After a relatively quiet start to the month, the atmosphere shifted abruptly as a strong low-pressure system and cold front moved eastward. By May 22, the National Weather Service issued a moderate risk for severe weather, leading to the first tornado emergency of the sequence in Minnesota. That same day, a massive EF5 tornado tore through Joplin, Missouri, causing 158 fatalities and catastrophic structural damage, including the destruction of St. John's Regional Medical Center.
On May 24, the threat intensified as a high-risk forecast prompted the issuance of a Particularly Dangerous Situation tornado watch. This day saw the development of two EF5 tornadoes, including a long-tracked, multiple-vortex storm that moved through El Reno, Piedmont, and Guthrie, Oklahoma. This specific tornado produced extreme damage, including the destruction of a 1.9-million-pound oil derrick and the tossing of vehicles over a mile. The sequence continued through May 25 and 26, affecting states as far east as Pennsylvania and as far south as Louisiana, though the intensity of the storms generally waned toward the end of the period.
The human and economic toll of the sequence was immense. With 186 total deaths, it stands as the second-deadliest outbreak since 1974, surpassed only by the 2011 Super Outbreak that occurred just weeks earlier in April. Insured damages are estimated between $4 billion and $7 billion. The event remains a significant case study in meteorology, particularly regarding the rapid transition from a calm early-May pattern to a high-intensity environment driven by strong wind shear and incoming troughs.
Opens the Intellect+ feed with this card first. Swipe up for the next one.
Sources
- Summary by Intellect · source: Tornado outbreak sequence of May 21–26, 2011
To cite this card, link to https://intellectplus.co.uk/app/nature-tornado-outbreak-sequence-of-may-21-26-2011.
How we source, check and correct cards: Editorial standards.
General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.
Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?
Related
More in Air · More in Nature · Latest · A–Z · All topics
