So there’s no tornado right? Not so fast. Normally, strong winds towards and strong winds away from the radar are close together near a tornado.
Winds were moving away from the radar near New Vienna at the time damage occurred. Let’s look at the base velocity data for the same area: There’s no hook echo or strong inflow notch. But there’s more! Let’s look specifically at the radar snapshot around 3:15pm: So the overall wind flow relative to the radar looked like this: Here is the storm relative velocity (the Doppler part of Doppler radar or how the winds are moving relative to the radar in Wilmington, Ohio) loop of this storm from 3:04pm to 3:49pm:įrom the radar’s lowest scan angle, red colors are winds moving away from the radar, green colors are winds moving towards the radar, and yellow colors are severe winds moving away from the radar. Here is the radar loop from 3:04 to 3:49pm for this Highland County storm: While I had looked at radar briefly in real-time as the storm moved through Highland County, I had not looked at the radar data in detail. As I drove home, I had a visual of what the radar data might look like. This damage appears to be caused by straight-line winds.
73 – were accelerating or at least traveling through the town like this: In other words, winds – moving northwest to southeast through the town, or basically down S.R. The alignment of buildings and tree along the road reminded me of the Venturi Effect, possibly explaining how winds were accelerating through the town. I did not see any structural damage, and all of the tree damage seemed to lean towards the south, east or southeast. The wind was coming from the northwest at the time if damaging straight-line wind was the cause of this damage, why was there so much damage to the east of the house (including large, heavy parts of the walls)? In addition to the debris field, that board driven into the ground suggested to me this was a tornado.Īfter we shot our video at the house, we drove through New Vienna (north on State Route 73) there was a lot of tree damage there: He was thinking like I was he wondered how there could be all of this debris so far away from the house, especially east of the house. The home owner (pictured above) is actually an electrical engineer at General Electric. With this photo looking southeast, most of the debris is on the east or southeast side of the house, including all of this debris along the road:Ĭloser to the home, I found this wood board driven into the ground: Notice anything, even that this resolution? Most of the debris is to the left of the house. Here’s a wide shot of this house and the yard around it: What could cause this? I immediately went into investigation mode. Imagine what I felt arriving the scene and seeing this: Here’s the approximate location of the house relative to New Vienna: Shortly after we left the scene to head home, the newsroom directed us to a damaged home north of New Vienna, Ohio. With all of the damage fanned out in a uniform direction, this suggested straight-line winds caused this damage. There was siding in the field from the leftmost barn pictures just southeast of the barn:
In nearly the same spot and facing the opposite direction, damage to barns suggested a northwest wind when it occurred. This photo was taken looking northeast and all of the downed trees are pointing towards the southeast, where radar suggested the winds from the storm were pointing to.
Initially, I saw tree damage along Pausch Road near Leesburg, Ohio: When storms hit today, the newsroom dispatched me into the field. I’m usually in a studio under bright lights. It’s not often I get to go out and survey storm damage.
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