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2013-06-12 REPORTS: IL/IA/WI

Joined
Apr 29, 2009
Messages
99
Location
Jacksonville, IL
After agonizing over which side of the Mississippi River to target, I managed to catch the Hanover, IL tornado on this high-risk day.

I was at my initial target of Clinton, IA by early afternoon, which was attractive in part because it had two good river crossings. But - and this has been my downfall before, as on 6/5/10 - I was drawn west into Iowa by the appearance of tops on KDVN's radar along the warm front to the west of Waterloo, IA. I gradually made my way north and west through Maquoketa, IA, and by 3:30 p.m. I was in Monticello, IA. Unfortunately, the cells in east-central Iowa were beginning to merge, while several more discrete and much stronger cells got started back east in Illinois, running roughly N-S between Rockford, IL and Rock Falls, IL just west of the I-39 corridor. The southernmost of these cells quickly became both SVR and TOR-warned, and looked early on to be the storm of the day. As usual, I found myself stuck between both areas of convection and many, many miles from either.

I then made a half-hearted run at a small cell that had fired north of Maquoketa, following it across the river at Savanna, IL. But it soon dissipated. So, I decided to move north along the Mississippi River on IL 84 and wait at the intersection with US 20 for a line of storms over extreme southwestern Wisconsin to move southeast into northwestern Illinois. Although SVR-warned, this storm looked junky and elongated on radar, but I held out hope that it might get its act together as it moved closer to the warm front and into a better environment with backed winds.

It did. I watched from a scenic overlook on US 20 just north of Elizabeth, IL as the storm, now TOR-warned, moved southeast over Dubuque, IA and then Galena, IL. Just as it approached the overlook, it managed to tighten up nicely, both visually and on radar. I took this structure shot from IL 84 a few miles north of Hanover as the storm was nearly due west of me:

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I then bolted south along IL 84 through Hanover and across the Jo Daviess/Carroll county line. The storm put down a tornado just east of the road which condensed and then roped out quickly. The three shots below capture this sequence. All look back north along IL 84:

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A bit further south on IL 84 I stopped again and took the following video of the next tornado as it skirted the treeline just to my east. I didn't have time to tripod, so it's hand-held and shaky. Since I was looking due east, the contrast is pretty bad as well:



This was not the best territory to chase in - lots of jungles and road options in all directions severely limited by the river and surrounding bluffs.
 
Watch video >
Last second decision to chase after work paid off today and bearly made it in time to watch this stove pipe tornado from at least 10 miles away. I was southeast of Hampton, IA looking to the North west. I believe this was east of Belmond and west of Latimore, IA. When I zoom out from the stove pipe you can bearly make out a 2nd tornado as a thin rope to the left. The picture below is a still from when I did zoom out. Just wish i got there sooner and was closer....

toria612twins2.jpg
 
Made it out to my target of Dixon, Illinois in plenty of time, but opted to continue northwest of there on US 52 as cells began to fire. This failed miserably as every cell died quickly except for the one west of Dixon, which of course quickly exploded and became tornado warned. from there, all cells that fired were east or south of my location. I didn't have 3 hours to wait around for more storms to come in from Iowa, so I had no choice but to retreat back the way I came and chase the rear end of what was forming into a line with embedded cells.

Then I pouted in Ottowa with a taco bell cheapo meal and headed slightly north of town to try and check out a few newer cells around the area. They quickly became linear and I never saw any inidcation of supercelluar characterstics, rotation or anything of the like ALL DAY LONG! Then I got to slowly hobble my car home through several intense lines of rain, hail, and flooding. Highlight of the day was coming home on Route 17 there was a lightning strike up the road ahead of me that set the wires on fire for a few minutes.

Another in the long line of disappointing chases for me.
 
Winston's post pretty well sums up the day for me also, but I'll throw in my experience, since I was able to see the Hanover tornado.
I initially targeted Dubuque/Galena and was appreciative that the forecast early initiation of around 1800 didn't actually start until around 1930-2000. Sounds like I was chasing behind Winston from his description, because I was targeting and shifting in a very similar way in eastern IA around the Maquoketa area, vexed whether to move back east to catch the storms firing north of Dixon or to head north to Dubuque (like Winston, I was between both areas, and neither was <45 minutes away from me). I decided to get back east of the Mississipi river as most of the convection was happening in NW IL. I ended up heading east to Mount Carroll, and after stopping at a Dairy Queen to reassess, and consequently spilling my banana split blizzard on my plastic car dash (a messy 15 minute cleanup job), I decided to head NW to Stockton, then changed to Galena to intercept the tor-warned cell coming SE out of Dubuque. I ended up turning off of IL 20 onto 84 S and caught the storm as the meso came into Hanover. I was pretty frustrated and dejected at this point, but determined to finish the day since I'd come this far.
84 turns a corner going from S to E in Hanover. As I turned this corner, there was a group of young men there outside a bar, one with a professional video camera (the guy had a raincoat with ESPN on the back, so I'm guessing he was there shooting for the Blackhawks game). They were looking NW at the meso as it was coming into town straight at them, with only a very restricted view over some trees across the street. I was about to stop and advise them to take cover, but I ended up deciding to continue (something about a bunch of guys, standing outside a bar, told me they probably would have just laughed at me or ignored me). In retrospect I feel I should have, but am thankful the storm didn't put down anything until it was south of Hanover.
I stopped about 2 miles S of Hanover and caught the meso ~1/4 mile to my NE beginning to put down several brief spinups. I had a clear view of the meso to the NE, but restricted view immediately to my N, and I was just under the western edge of the meso (a little too close for comfort for me), so I moved back NW (catching some RFD winds and rain, but I'd estimate no > 50 knots), turned around, and followed back SE along 84, and was able to watch it from the NW ~1.5 miles away put down the tornado that Winston saw. I have some brief video captures, but mine are pretty lame compared to Winston's grabs, so I'm not going to post them.
I continued following the storm as it tracked up through Milledgeville, by which time it had weakened, and apparently never produced another tornado. I never got back to an optimal position again due to the road network and local traffic. By this time (around 8pm/0100) it was starting to get dark, and the next storm was 70 miles away to the NW.
 
Like Winston and Jeff I sat between two warned storms, one north of me moving towards Winnebago and the other south towards Dixon, unable/unwilling to get to either. Moseyed up to Freeport for a spell, and monitored the storm heading towards Hanover/Bellevue. Disliked the terrain in Joe Daviess Co. and I was going to call it a day, but on a whim decided to try anyway.

Ended up a mile or so N of Mt. Carroll off of IL78 on Blue Mountain Rd., where I saw the last gasps of the Hanover tornado to my WNW. My daughter's first tornado, and our first IL tornado as well. Probably saw some of you on IL40 heading towards Milledgeville.

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Tim Balassie
Kane Co., IL
 
Chased with Jennifer Brindley Ubl. Targeted the Rockford area to catch cells initiating off the forward edge of an expanding cu field, hoping for a tornado play as they interacted with the warm front near the WI/IL border. Intercepted a tornado warned supercell west of the city that exhibited low level rotation in the base, but could not get a clean shot due to the hills, trees, and traffic near the city. I was hoping to avoid much of that by playing further east from the MS river valley, but alas the immediate Rockford area is a crap place to chase too. The updraft on that storm quickly shriveled up into nothing even while it was still warned. We made a futile attempt to catch the east moving cells to our south, but coming in from behind, we had no hope getting out in front before they hit the suburbs, and they were lining out anyway. Dinner in Kirkland before setting up for the lightning show. This windmill time lapse wasn't exactly what we had in mind, but it was the highlight of our day:

Watch video >
 
Kurt Hulst and I started late in the game, after 5 p.m. Eastern Time, so for us it was a matter of dropping south across the border into Indiana and hoping for the best near the warm front. About four miles south of Koontz Lake, just southwest of the tiny burg of Donaldson, we hooked up with the first of two mesos. Base reflectivity showed just a large, unpromising-looking, amorphous blob of congealed cells, but pointy little nubs kept forming on the bottom, and sometimes features like those can render surprising results.

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A second, more impressive storm with well-established rotation was moving in behind the first one, so we relocated to the southwest where an open field afforded good viewing and watched as a large HP meso with a steep flange on its northern side advanced toward us. This thing took on a linear, shelfy look, but there was no mistaking the broad rotation, and for a minute, a funnel cloud formed and drifted behind the rain curtain.

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But there were no tornadoes to be had. Overhead, inflow was shuttling toward the storms, but surface winds were non-existent, so my guess is that low-level helicity was just too meager to send anything corkscrewing up from ground-level. No matter. It was in keeping with my year, and the way things have been, it was just nice to get out and see some rotating storms.

The way back up into Michigan was actually the most intense part of the chase as we punched our way through a bow echo heading east from the Benton Harbor area. Lots of power flashes and plenty of shifting winds buffeting the car.
 
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Had to work till 4:30, so had a late start on this particular setup. Ended up working out pretty good, as it really only left me one option, which was to make a run at the sup coming into extreme northwest Illinois. Left home around 5:15 and drove north through Morrison, and then up towards Stockton IL. At that point I could tell the storm was moving more southeast than east-southeast, so I blasted west towards Elizabeth. Just west of Elizabeth I got a real nice look at the structure of the storm...


Didn't really see any areas of tight rotation on the storm as I turned south on 84 to stay ahead of it. Finally after I passed through the town of Hanover the rotation began to tighten up and put down a brief tornado. It lifted pretty quickly, but after a few minutes another tornado developed. This one stayed on the ground for several minutes before I lost it in the rain.

At the beginning of this video you can see the first tornado already in progress quickly rope out. Then around the 2:15 mark the 2nd tornado develops and continues until the end. This was recorded at the intersection of the route 84 and Army Depot Road halfway between Hanover and Savanna IL. http://www.youtube.com/watch?v=c-Qi6--lZy0

This is a 8x and 16x time lapse video from my GoPro.
http://www.youtube.com/watch?v=zPpXKH3SMyc
 
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