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The tornado traveled from Wilber into Gage County, Nebraska, crossing the county line west of Clatonia where intensified to F4 strength. The tornado remained at F4 strength as it crossed into Lancaster County, Nebraska near Hallam. The tornado reached its peak width of 2.5 miles wide at this time as well.
An F4 tornado was observed which crossed over land and water. [8] [18] ESSL, FMI, NWS [c] December 26: 1940: Cuba: Mayabeque Province: Bejucal: 20 (100+ injuries) The F4 tornado collapsed numerous houses and other structures. The tornado had an estimated width of 400 metres (440 yd) and an estimated windspeed of 350 kilometres per hour (220 mph ...
Adjusted annual tornado report count in the United States compared to minimum, maximum, and climatological percentiles. In contrast to the first nine months of 2008, the final quarter was fairly inactive overall, and the inactivity continued into January 2009 with only a few tornadoes in the US the entire month as generally stable air dominated.
List of F5, EF5, and IF5 tornadoes; List of F4, EF4, and IF4 tornadoes. List of F4 tornadoes (1950–1959) List of F4 tornadoes (1960–1969) List of F4 and EF4 tornadoes (2000–2009) List of F4 and EF4 tornadoes (2010–2019) List of F4, EF4, and IF4 tornadoes (2020–present)
Download QR code; Print/export Download as PDF; Printable version; ... (2000–2009) List of F4 and EF4 tornadoes (2010–2019) List of F4 tornadoes (1950–1959)
These tornadoes were rated F4 on the Fujita scale, an EF4 on the Enhanced Fujita scale, or an IF4 on the International Fujita scale. Also included are tornado outbreaks that had their strongest tornado rated as F4/EF4.
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]
List of reported tornadoes - Monday, April 13, 2009 EF# Location County Coord. Time (UTC) Path length Damage Alabama: EF0: WNW of Black: Geneva: 1300 unknown Several houses were damaged along its short path. Georgia: EF1: Fitzgerald area: Ben Hill