By the numbers: Miami Valley sets record for number of tornadoes; EF4 was strongest in county in 70 years

Ohio is having an active year when it comes to tornadoes. Unfortunately, the number climbed further on Memorial Day with the deadly outbreak that is still being analyzed.

>> Miami Valley tornadoes: What you need to know today

>> UPDATE: 14 Memorial Day tornadoes confirmed; 1 upgraded to EF-4

Ohio tornadoes by the numbers:

  • Number of tornadoes Ohio sees on average per year: 19
  • Number of tornadoes that have touched down so far in Ohio in 2019: 36
  • Average number of tornadoes Ohio sees in May: 3
  • Number of tornadoes this May in Ohio this year: 25
  • Number of tornadoes that touched town in the Miami Valley on Memorial Day: 15

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The National Weather Service in Wilmington covers the Miami Valley and several other counties in southern/central Ohio. They confirmed the most tornado touchdowns in 24 hours than ever before. The previous record held was 12 tornadoes on March 2, 2012.

According to the NWS, since records began Montgomery County has never had four tornadoes confirmed from the same weather event before Memorial Day.

The first Ohio tornado was in January in Trumball County. The first tornado in the Miami Valley was in Selma in February.

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The strongest tornado to hit Montgomery County since 1950 happened during the outbreak on Memorial Day, when a EF4 tornado touched down in Trotwood and caused catastrophic damage. Three other EF3 tornadoes destroyed parts of the Miami Valley, caused injuries and one death.

Fifteen total tornadoes, ranging from EF0 to EF4, touched down in the Miami Valley May 27 and 28.

Ohio has already doubled the number of tornadoes confirmed in 2018 and is a few tornadoes shy of the 2017 total, which was 37.

We aren’t out of the woods yet — peak tornado season in Ohio is April through July.

Your Storm Center 7 team will continue to keep you covered as severe weather season continues into the summer.

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