Daulatpur–Saturia Tornado, Bangladesh (1989) This tornado ranks as the deadliest in recorded history. It struck on April 26, 1989, in the Manikganj District, particularly affecting the towns of Daulatpur and Saturia. The tornado formed around 12:30 UTC in a highly unstable atmosphere with strong wind shear and jet stream influence. Its path extended roughly 16 km (10 miles) long and up to 1.6 km (1 mile) wide through densely populated rural areas. The tornado was classified as an F4/F5 on the Fujita scale, with estimated wind speeds reaching 338–418 km/h (210–260 mph). It completely leveled over 20 villages, uprooted countless trees, destroyed every home within a 6 km² area, and left approximately 80,000 people homeless. Casualties amounted to roughly 1,300 deaths and 12,000 injuries. Contributing factors to the catastrophic human toll included the region’s high population density, fragile housing, and absence of early warning systems. The aftermath involved extensive relief operations, food and medical aid, and long-term rehabilitation of the affected communities. Tri-State Tornado, United States (1925) Traversing Missouri, Illinois, and Indiana over approximately 3.5 hours, this F5 tornado covered 219 miles, making it the deadliest in U.S. history. It resulted in 695 deaths and over 2,000 injuries. The tornado obliterated towns and rural structures along its path, illustrating the devastating impact of prolonged tornadoes moving through multiple states. Bangladesh Tornado (1973) Occurring in the Dhaka District, this tornado destroyed eight villages and caused at least 681 confirmed deaths, possibly exceeding 1,000. Its extreme lethality underscores the vulnerability of densely populated, low-lying regions with substandard infrastructure. Sicily Tornadoes, Italy (1851) Formed from the merger of two waterspouts, this tornado devastated farmland and towns, killing approximately 500 people. The event shows that tornadic events can arise from marine convergences, producing violent inland impacts. Madaripur and Shibchar Tornado, Bangladesh (1977) On April 1, this tornado destroyed homes and local businesses, resulting in 500 deaths. Its impact confirms the recurring risk of violent F3–F4 tornadoes in central Bangladesh during the pre-monsoon months. Tupelo–Gainesville Tornado, United States (1936) Comprising an F5 in Tupelo, Mississippi and an F4 in Gainesville, Georgia, this outbreak killed 454 and injured over 2,000. Extensive structural damage occurred, particularly in urban centers, demonstrating how tornado intensity can vary within a single outbreak. Soviet Union Tornado, Russia (1984) Approximately 11 tornadoes, including several F4 events, struck north of Moscow, causing an estimated 400 fatalities. These tornadoes highlight the potential for extreme tornado occurrences even in less-typical, higher-latitude regions. Dixie Tornado Outbreak, United States (1908) Spanning 13 states, 31 tornadoes emerged, including three F4s responsible for most of the 324 deaths and over 1,720 injuries. This outbreak exemplifies chain-reaction tornado outbreaks with multiple destructive funnels. Great Natchez Tornado, United States (1840) Striking Natchez, Mississippi, this tornado caused 317 deaths, the majority resulting from compounded hazards such as riverboat accidents during the event. St. Louis–East St. Louis Tornado, United States (1896) Rated F4, it destroyed neighborhoods and left 5,000 homeless, with 255 fatalities and over 1,000 injuries. The urban impact illustrates heightened vulnerability in population-dense areas. Glazier–Higgins–Woodward Tornado, United States (1947) An F5 tornado swept across parts of Texas, Oklahoma, and Kansas, killing 181 and injuring 980, demonstrating the destructive potential of high-end tornadoes across rural plains. Joplin Tornado, United States (2011) An EF5 tornado in Joplin, Missouri destroyed over 8,000 structures, killed 158 people, and injured more than 1,150, with total damages approximated at $2.8 billion. Its urban pathway underscores the continuing vulnerability of modern cities to violent tornadoes. Each of these tornadoes, particularly the Daulatpur–Saturia event, demonstrates common characteristics of extreme tornadic activity: rapid formation, violent wind speeds, wide destruction paths, high mortality where population density interacts with limited timely warnings, and long-term societal effects including homelessness, infrastructure collapse, and economic loss.The El Reno tornado in Oklahoma, a record-breaking and highly destructive tornado, claimed eight lives and demonstrated extreme variability in tornado size and intensity. On May 31, 2013, the El Reno tornado struck central Oklahoma west of Oklahoma City, forming in an exceptionally volatile environment with strong wind shear and high instability. The tornado reached a peak width of 4.2 km (2.6 miles), making it the widest tornado ever recorded. Its wind speeds exceeded 300 mph (480 km/h) in some measurements, and it was initially rated EF5 before a post-event reassessment noted its unpredictable intensity variations along its path. The tornado moved across mostly rural and open areas but also impacted commuters on nearby roads, tragically killing eight people, including several well-known storm chasers, and injuring dozens. The El Reno tornado is notable for its rapid changes in direction, multiple subvortices, and extreme width, which complicated forecasting and on-the-ground responses. Unlike many deadly tornadoes that strike densely populated towns, the relatively low death toll compared to its immense size demonstrates the mitigating effect of rural terrain, though the event highlighted the dangers facing mobile observers in open plains. The destructive path involved leveling some structures, uprooting numerous trees, and producing intense damage to vehicles, emphasizing the extreme power and variability of large EF3–EF5 class tornadoes. Its occurrence also catalyzed further research into tornado dynamics, multi-vortex structures, and storm chaser safety protocols. Adding El Reno to your summary complements the collection of historic tornadoes by illustrating modern examples of tornado width records, extreme wind speeds, and the challenges of forecasting in open plains, while still showing some of the human vulnerabilities familiar from catastrophic events like the Daulatpur–Saturia and Tri-State tornadoes.