![]() However, an EF2 tornado caused significant damage in Tennessee and Kentucky. This prediction came to light, as only scattered, and mostly weak tornadoes were reported throughout the day. Forecasts showed that the main threats would be damaging wind and large hail instead of frequent tornadoes the stationary front lacked the necessary wind shear to sustain the type of tornadic supercells seen on May 22. Once again, a moderate risk of severe weather was issued on May 23-this time for the southern Plains and the lower Great Lakes. Causing 158 fatalities, it was the deadliest single tornado in the U.S. Late that afternoon, a large, intense EF5 multiple-vortex tornado left catastrophic destruction in Joplin, Missouri. Shortly thereafter, an intense tornado crept towards Harmony, Minnesota, prompting the National Weather Service to issue the first tornado emergency of the outbreak. The first tornadic supercell developed in the mid-afternoon hours over the western Twin Cities in Minnesota, and caused moderate damage in the Minneapolis area. EF3 tornado that struck Reading, Kansas, on May 21.Ī moderate risk of severe weather was issued for much of the Midwest, as well as further south to Oklahoma for May 22. These two systems developed several other tornadoes throughout the evening. Meanwhile, the Emporia system spawned an EF3 tornado that struck Reading, Kansas one person was killed, several others were injured, and at least 20 houses were destroyed. This system also caused significant damage in Oskaloosa, Kansas, and other communities. The Brown county system spawned a brief tornado over Topeka, Kansas, causing minor damage. On May 21, a small system of thunderstorms developed in Brown County, Kansas, while another system formed to the southeast of Emporia, Kansas. However, this pattern changed abruptly as a strong low-pressure area, associated dry line and cold front tracked eastward. In contrast, the first three weeks of May were remarkably quiet only a few isolated tornadoes were confirmed. Meteorological synopsis Īpril 2011 was the most active month for tornadoes on record, capped by a very large tornado outbreak (the largest on record) that killed 324 people in the final week. It was the second costliest tornado outbreak in United States history behind that same April 2011 outbreak, with insured damage estimated at $4–7 billion. Overall, the tornado outbreak resulted in 186 deaths, 8 of those non-tornadic, making it second only to the 2011 Super Outbreak as the deadliest since 1974. Tornado-related deaths also occurred in Arkansas, Kansas, Minnesota, and Oklahoma. ![]() The Joplin tornado was the deadliest in the United States since April 9, 1947, when an intense tornado killed 181 in the Woodward, Oklahoma, area. An especially destructive EF5 tornado destroyed one-third of Joplin, Missouri, resulting in 158 deaths and over 1,000 injuries. A six-day tornado outbreak sequence, most of the tornadoes developed in a corridor from Lake Superior southwest to central Texas, while isolated tornadoes occurred in other areas. The Response to the 2011 Joplin, Missouri, Tornado: Lessons Learned Study Contact UsĬomments or Questions? Reach out to IBTS.1 Most severe tornado damage see Enhanced Fujita scaleĢ Time from first tornado to last tornadoįrom May 21 to May 26, 2011, one of the largest tornado outbreaks on record affected the Midwestern and Southern regions of the United States. A joint Region VII – NPAD team conducted in-person interviews, analyzed data, and identified preliminary findings. The Federal Emergency Management Agency (FEMA) National Preparedness Assessment Division (NPAD) of the National Preparedness Directorate contacted Region VII to offer support to identify preliminary findings from the Joplin tornado response. The tornado, which had winds in excess of 200 mph, caused 161 fatalities and over 1,300 injuries, and damaged or destroyed thousands of structures, overwhelming the capabilities of the City of Joplin, and Jasper and Newton Counties and requiring a massive response from Federal, state, county and local governments, as well as from the private and nonprofit sectors. ![]() On May 22, 2011, a catastrophic Enhanced Fujita-5 (EF-5) tornado struck the City of Joplin in Jasper and Newton Counties in southwest Missouri. ![]()
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