Tornadoes can strike anytime


Night and morning tornadoes in Ohio only make up about 33% of all twisters. 

Most recently we saw two early tornadoes in Clark County on April 12. One caused minor damage, the other occurred in an open field. 

Tornadoes early in the day usually rank less than EF-3 on the Enhanced Fujita Scale. 

However, since 1950, 17 % of overnight and morning tornadoes were EF-3 or EF-4. 

There are only four F/EF-5 Tornadoes in Ohio’s History. One being the 1974 Xenia Tornado. All of these tornadoes happened between noon and 9 p.m.  

A tornado of this strength typically requires four main ingredients. moisture, shear, instability, and lift. Overnight and early in the morning, the atmosphere tends to lack instability.  

The sun heats the surface and causes air to rise making the atmosphere unstable. Storm energy starts with the sun. That is why you usually hear meteorologist say mostly clear skies are a bad thing on days severe weather is expected. 

Without instability, it is difficult to get a tornado. While the chance of a strong morning tornado is very low it is still possible if there is enough shear, lift, and moisture in the atmosphere. Which is why it is important to have the Storm Team 2 Weather App with notifications turned on. Then no one has to rely on outdoor warning sirens. 

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