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February 2012 was more active than normal in terms of the number of tornadoes, with a total of 50 confirmed. While the first three weeks of the month were unusually quiet, the pattern changed abruptly with a major tornado outbreak, which struck the region less than 72 hours prior to this storm, killing 15 people, including 8 in Harrisburg, Illinois alone, the result of an EF4 tornado.
The year began with an unusual number of tornadoes during January 2012. The first major tornado outbreak occurred on January 22–23, when a spring-like system moved across the southern Mississippi valley, producing at least two dozen confirmed tornadoes across Arkansas, Kentucky, Mississippi, Tennessee, and Alabama. As a whole, January was the ...
Tornado outbreak sequence of April 25 – May 3, 1954: April 25 – May 3, 1954: Great Plains – Midwest – Mississippi Valley: 100: 4 fatalities, 167 injuries: This was one of the largest tornado outbreak sequences at the time. Several long-tracked tornadoes touched down in Texas, Arkansas, and Iowa and violent tornadoes touched down in Iowa ...
In late 2023, American meteorologist and tornado expert Thomas P. Grazulis created the Outbreak Intensity Score (OIS) as a way to rank tornado outbreaks. [1] [2] For the score, only significant tornadoes are counted: F2/EF2 tornadoes receive 2 points each, F3/EF3 tornadoes receive 5 points each, F4/EF4 tornadoes receive 10 points each, and F5/EF5 tornadoes receive 15 points each. [1]
[1] [2] The first confirmed tornado in January (and 2012) was an EF0 tornado which struck Fort Bend County in Texas at 1445 UTC on January 9. [3] The last tornado of February was an EF0 that affected Blount County in Tennessee at 0030 UTC on March 1, though in terms of Central Time Zone, where the tornado took place, it was still February 29.
Numerous trees were snapped. This tornado came from the same storm that produced the Ligioner tornado. EF0: Pleasantville: Bedford: 2218 1.5 miles (2.4 km) A brief tornado occurred within a larger area of straight-line winds near Allum Bank.
The 2012 Leap Day tornado outbreak was a significant and deadly tornado outbreak on February 28 and February 29, 2012. It is so called because the second day was a leap day. It caused severe damage in several regions, especially the Great Plains and Ohio Valley regions. It also resulted in several tornadoes in the Central Plains, a rarity for ...
EF4 tornado: Duration of tornado outbreak 2: 2 days, 16 hours, 37 minutes: Largest hail: 4.50 in (11.4 cm) in diameter in Randolph, Kansas, on April 15: Fatalities: 6 fatalities, 101 injuries. [2] Damage: At least $500 million (in Wichita, unknown elsewhere) [1] 1 Most severe tornado damage; see Enhanced Fujita scale 2 Time from first tornado ...