2010-06-05 MISC: OH/MI/IL/IA

Matthew Piechota said:
We were in extreme southeast IA about to head home back to IL...the lapse rates sucks and there was no forcing. It was like mother nature turned a switch. We got into IL and the supercell went up northeast of Burlington, IA. We went from completely nothing to raging tornadic supercells with the LLJ switch going from off to on.
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any pics to post of the Yates City tornado?
 
Here is the Yates City tornado. It did some amazing things, almost retrograded just East of Yates City, so it certainly sat over one spot for about 20-30 seconds.

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It impacted a few buildings on the north side of Yates, simply stunning to see it from 400 yards as it hit these barns. In the picture is the first structure that it hit in Yates, a small shed next to a small barn.

Best video I have ever shot.
 
The NAM/SREF seemed to do a pretty good job with the setup I think but there were some things that were underdone by the models.

For example, the H7 shortwave was stronger then what the models were showing, this helped out in the forcing department and there was also an 80kt jet max at H5 so this setup had a bit more energy to work with then thought before everything happened. There was some serious turning from H85 to H5.

It was amazing watching how fast the burlington storm went supercellular. We were intially behind it as it was going up but got out ahead of it and before you know it, the rotation was really tightening up and we saw 2 landspouts/tornadic dust whirls. after this occured a really ragged wall cloud developed extremely fast with a nice tail cloud feeding into it.

I will try to post some more thoughts as I am dead tired right now, overall best chase of my life so far.
 
Elaine Spencer said:
I noticed that ILX issued a Tornado Emergency for Peoria at one point Saturday night... is that the first time they have ever done so?
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I work at ILX, and I don't recall us ever using that wording before.

I was headed back from St. Louis at the time, so I missed out on all the activity.
 
Matthew Piechota said:
The NAM/SREF seemed to do a pretty good job with the setup I think but there were some things that were underdone by the models.

For example, the H7 shortwave was stronger then what the models were showing, this helped out in the forcing department and there was also an 80kt jet max at H5 so this setup had a bit more energy to work with then thought before everything happened. There was some serious turning from H85 to H5.

It was amazing watching how fast the burlington storm went supercellular. We were intially behind it as it was going up but got out ahead of it and before you know it, the rotation was really tightening up and we saw 2 landspouts/tornadic dust whirls. after this occured a really ragged wall cloud developed extremely fast with a nice tail cloud feeding into it.

I will try to post some more thoughts as I am dead tired right now, overall best chase of my life so far.
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Didn't have this setup as well forecasted as I needed to... was it a shortwave arrival that really got things going in Illinois finally? (if you recall...)
 
Nick Nolte said:
DTX has three tornadoes one that hit a nuclear power plant on Lake Erie (it's back up and running)
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Still shut down, there was damage to several parts of the plant, and widespread damage to the site. Roof and siding damage to the plant, several smaller outbuildings were damaged, some trailers were overturned, and incoming power lines were downed. Lots of trees down all over the property, most look like high wind damage. One corner of the property though, looks like tornado damage. Trees are twisted and mangled in all directions, and a pole barn type building was destroyed. I think the site was grazed if it indeed was tornado, with a lot of associated wind damage.
 
Allan Detrich said:
I had to work the day of the storms, go figure, but here in Ohio, the tornado threat did not ramp up until after dark, we had several tornadoes within 20 miles of my home. I went out yesterday and surveyed the damage and looks to be EF3-4 damage, some homes wiped totally off their foundations, here is a link to the damage photos. - http://www.flickr.com/photos/detrichpix_movingpictures/sets/72157624093574905/show/
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That high school in Millbury, Ohio looks as destroyed as the one did in Greensburg, Kansas. Looks like EF4 or EF5 damage.
 
Aaron Blaharski said:
Still shut down, there was damage to several parts of the plant, and widespread damage to the site. Roof and siding damage to the plant, several smaller outbuildings were damaged, some trailers were overturned, and incoming power lines were downed. Lots of trees down all over the property, most look like high wind damage. One corner of the property though, looks like tornado damage. Trees are twisted and mangled in all directions, and a pole barn type building was destroyed. I think the site was grazed if it indeed was tornado, with a lot of associated wind damage.
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Yeah now I see none of the news articles mentioning it restarting. I had heard on the local news that it was back up, but I know how accurate "the news" can be ;)
 
Got back in town yesterday. As I was in Wisconsin, I missed the tornado fest in Michigan. One storm started rotating just over my house (according to radar) and appears to have dropped at least one tornado in Battle Creek. The NWS is supposed to do a survey this afternoon. Based on my little survey, there may have been two tornados. There is some damage were I work, with some very minor damage to my building. This damage is only about a block long. Then, about three blocks south, there is more significant damage. This damage path is about half a mile long. Tree damage is significant, with several structures damaged. One house had a tree toppled on one side of a driveway, then just across the drive is another tree toppled 180 degrees the other direction. Based on that, I'm guessing this was a tornado.
 

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EF0 tornado damage confirmed by the NWS on the south side of Marysville, OH. This storm hit at about 5:00 AM Sunday morning, and I seen 3-4 power flashes to the south while looking out my bedroom window, followed by the power going out. We then headed to the basement.

There were several houses with roofs completely gone as well as trees down, power poles/light poles down.

Nothing compared to the destruction elsewhere, but add this tornado to the list.
 
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LOT has a good overview of the atmospheric conditions leading up to the storms.
http://www.crh.noaa.gov/lot/?n=05june2010summary
2,500-3000 J/Kg CAPE in the area of the Yates City/Elmwood cell, jet max approaching around 7pm CST, an outflow boundary from central Illinois migrating north enhancing the low level shear bringing the SRH up to 350-400 and SigTor of 6-7.

Others are getting around to updating their surveys. DTX has the Dundee, MI tornado as EF2 at 800 yards wide!
ILX has EF2 on the Elmwood tornado. 50 yards wide, it was pretty tight at the ground.
GRR has EF1 on the Battle Creek tornado, 300 yards wide.
IWX has EF2 on the Fulton County, OH tornado, half mile wide and an EF3 in Cass Co, IN
 
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