hawkeye_wx Posted June 29, 2012 Share Posted June 29, 2012 Wow, huge storm moving toward Cedar Rapids. 60 mph wind and 2.5" diameter hail already reported with it. This could be the first severe weather of the season here. I hope it's not too bad, though. We just got our roof redone last week. Link to comment Share on other sites More sharing options...
Chicago Storm Posted June 29, 2012 Author Share Posted June 29, 2012 Looks like MCS #2 is starting up in Iowa with extreme instability in front of it too. Looks like this one will follow right behind the one from earlier today too, though maybe a touch south of the path of the first one. I would favor the I88/I80 corridor. Rapid destabilization has occurred in the wake of the morning MCS...High CAPE/Theta-E environment. Link to comment Share on other sites More sharing options...
Chinook Posted June 29, 2012 Share Posted June 29, 2012 Boy that complex in IA has the look of another monster in the making. Base velocity shows 97 knots (west-east) at Powashiek County Iowa. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted June 29, 2012 Share Posted June 29, 2012 Boy that complex in IA has the look of another monster in the making. yeah and with the theta-e/instability gradient pushing back north ahead of it, it's not going to turn ESE anytime soon. Link to comment Share on other sites More sharing options...
OceanStWx Posted June 29, 2012 Share Posted June 29, 2012 Grinnell reported 65 kt peak gust. Link to comment Share on other sites More sharing options...
tornadotony Posted June 29, 2012 Share Posted June 29, 2012 Yeah this is a south Chicago metro special methinks, looking at how fast the airmass is recovering over nrn IL/NWI. Link to comment Share on other sites More sharing options...
RCNYILWX Posted June 29, 2012 Share Posted June 29, 2012 The atmosphere is recovering across nrn IL right now...we'll see where the gradient ends up but I have a feeling it's going to track N of PIA, especially given its current slightly N of due E motion. Impressive deep layer shear out ahead of it too. Link to comment Share on other sites More sharing options...
afterimage Posted June 29, 2012 Share Posted June 29, 2012 Quite the storm here in north Delaware cnty/Muncie. Large trees down, siding ripped off and many without power. Local officials reported a tornado in Eaton. Link to comment Share on other sites More sharing options...
tornadotony Posted June 29, 2012 Share Posted June 29, 2012 Nice WAA wing on the leading edge of this complex. Link to comment Share on other sites More sharing options...
Gilbertfly Posted June 29, 2012 Share Posted June 29, 2012 heading west on 20 at about freeport...any shot at her making it up here or will i need to head south Link to comment Share on other sites More sharing options...
B-Rent Posted June 29, 2012 Share Posted June 29, 2012 Lots of damage here. Half he county with out power. Field fires started by downed lines. Reports of structures collapsed in neighboring counties. Sent from my ADR6400L 2 Link to comment Share on other sites More sharing options...
cyclone77 Posted June 29, 2012 Share Posted June 29, 2012 Just got home from work and gotta say I'm a little concerned about the developments in Iowa. Very impressive looking already with the nice S shape complex. 80mph winds estimated a bit ago as well near Ladora. Man that complex over Ohio is a monster!! Time to get caught up on everything... Link to comment Share on other sites More sharing options...
Thundersnow12 Posted June 29, 2012 Share Posted June 29, 2012 Yeah this thing might even try to bow it's way of to CWI/SFY north of DVN along the river. Link to comment Share on other sites More sharing options...
wisconsinwx Posted June 29, 2012 Share Posted June 29, 2012 You can tell the storm is trying to turn NE, I presume due to the instability boundary making a push north. Right here though the atmosphere is quite stable with low dews. Hoping for any rain we can get. Link to comment Share on other sites More sharing options...
tornadotony Posted June 29, 2012 Share Posted June 29, 2012 MD-lite from SPC: Link to comment Share on other sites More sharing options...
buckeye Posted June 29, 2012 Share Posted June 29, 2012 First time in my life I feared for my safety because of wx...that was some insane **** Link to comment Share on other sites More sharing options...
OceanStWx Posted June 29, 2012 Share Posted June 29, 2012 Marengo getting smoked right now, nicely developing RIJ evident now. Link to comment Share on other sites More sharing options...
Stebo Posted June 29, 2012 Share Posted June 29, 2012 Marengo getting smoked right now, nicely developing RIJ evident now. Yeah, the area along I-380 from Cedar Rapids to Iowa City going to really be under the gun shortly. I would hate to be in a semi with the cross winds this will have as it hits I-380. Link to comment Share on other sites More sharing options...
OceanStWx Posted June 29, 2012 Share Posted June 29, 2012 Yeah, the area along I-380 from Cedar Rapids to Iowa City going to really be under the gun shortly. I would hate to be in a semi with the cross winds this will have as it hits I-380. 80 mph winds from a spotter south of Ladora. At least the core of the wind looks like it will pass between IOW and CID. Link to comment Share on other sites More sharing options...
OceanStWx Posted June 29, 2012 Share Posted June 29, 2012 80 mph winds from a spotter south of Ladora. At least the core of the wind looks like it will pass between IOW and CID. Of course CID the ASOS sits very close to Swisher, which is where the core of the winds look to be headed. So there may be a measured gust shortly. Link to comment Share on other sites More sharing options...
cyclone77 Posted June 29, 2012 Share Posted June 29, 2012 Estimated 90mph by law enforcement in Marengo. Link to comment Share on other sites More sharing options...
Indystorm Posted June 29, 2012 Share Posted June 29, 2012 Latest IA warning mentions svr winds possibly lasting for up to ten minutes. Hate to have that with 80 mph expected. This isn't hurricane country. Link to comment Share on other sites More sharing options...
hawkeye_wx Posted June 29, 2012 Share Posted June 29, 2012 Holy **** is it dark!!! Looks like 10pm. The clouds rolling in were awesome. Link to comment Share on other sites More sharing options...
Hoar_Frost Posted June 29, 2012 Share Posted June 29, 2012 The more data I'm looking at, particularly those data which are showing the impressive destabilization across northern Illinois, I'm beginning to favour more of an I-80 special. The US-30 corridor through northwest and north-central Illinois might see some action, too. Strikingly to me, mid-level lapse rates are as impressive as they are just ahead of the now-Appalachia-centred derecho, especially just to the south and west of the core of the Chicago metro. Could be an interesting night, especially just to my south. Link to comment Share on other sites More sharing options...
Buckeye05 Posted June 29, 2012 Share Posted June 29, 2012 NEWCOMERSTOWN TUSCARAWAS OH 4027 8160 TORNADO ON GROUND UNCONFIRMED Link to comment Share on other sites More sharing options...
Indystorm Posted June 29, 2012 Share Posted June 29, 2012 Holy **** is it dark!!! Looks like 10pm. The clouds rolling in were awesome. Keep us updated as you are able. Link to comment Share on other sites More sharing options...
on_wx Posted June 29, 2012 Share Posted June 29, 2012 Twitter says they are blowing the sirens in Cedar Rapids Link to comment Share on other sites More sharing options...
tornadotony Posted June 29, 2012 Share Posted June 29, 2012 Cold pool is growing on the back end of this thing. Link to comment Share on other sites More sharing options...
cyclone77 Posted June 29, 2012 Share Posted June 29, 2012 58mph at CID ASOS. Link to comment Share on other sites More sharing options...
Indystorm Posted June 29, 2012 Share Posted June 29, 2012 For what it's worth, the SPC derecho composite ahead of our now Appalachian derecho is 10-12, and the current composite over I-80 in the LaSalle county/Starved Rock area of northern IL is now 10. Atms. recovery, anyone? Link to comment Share on other sites More sharing options...
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