nwohweather Posted July 10, 2017 Share Posted July 10, 2017 Not really buying the atmosphere recovering here today for severe weather Link to comment Share on other sites More sharing options...
Jim Martin Posted July 10, 2017 Share Posted July 10, 2017 Severe thunderstorms this morning in Northern Indiana. Damaging wind and some hail. Link to comment Share on other sites More sharing options...
Mogget Posted July 10, 2017 Share Posted July 10, 2017 Friends in Madison, experienced gardeners and weather-watchers, report 7.26 inches of rain in their backyard last night. Link to comment Share on other sites More sharing options...
HillsdaleMIWeather Posted July 10, 2017 Share Posted July 10, 2017 2 hours ago, nwohweather said: Not really buying the atmosphere recovering here today for severe weather The storms are pushing off finally, so I could still see some destabilization. Link to comment Share on other sites More sharing options...
Harry Perry Posted July 10, 2017 Share Posted July 10, 2017 3 hours ago, nwohweather said: Not really buying the atmosphere recovering here today for severe weather I agree. Majority of guidance primarily showing development south of MI/IN/OH boarder later on today. I'd be willing to bet the SPC pulls the slight risk area farther south where the better instability develops later on today. The atmosphere has been worked over with this mornings convection around these parts. Link to comment Share on other sites More sharing options...
HillsdaleMIWeather Posted July 10, 2017 Share Posted July 10, 2017 This tidbit from the GRR AFD is worrying We will need to monitor Wednesday closely. Models are showing the arrival of another mid level wave. An associated upper level jet moves in as well. Meanwhile the low level flow is shown to be backed. This results in stronger deep layer shear during the day with increasing helicity as we go into the afternoon. Thus right now it looks like an elevated risk for a tornado exists. Will continue to mention the severe weather potential in the Hazardous Weather Outlook for this system. Link to comment Share on other sites More sharing options...
homedis Posted July 10, 2017 Share Posted July 10, 2017 Mostly clear skies in Chicago now Link to comment Share on other sites More sharing options...
Jim Martin Posted July 10, 2017 Share Posted July 10, 2017 Severe storm currently moving through the Findlay area. Link to comment Share on other sites More sharing options...
hawkeye_wx Posted July 10, 2017 Share Posted July 10, 2017 Fortunately, the MCS tracked just far enough sw to give the entire CR area a nice 1-2" soaking. I picked up 1.22". Link to comment Share on other sites More sharing options...
Hoosier Posted July 10, 2017 Author Share Posted July 10, 2017 There was a wake low in northeast IL earlier with some 40-50 mph gusts. Link to comment Share on other sites More sharing options...
Hoosier Posted July 10, 2017 Author Share Posted July 10, 2017 New SPC outlook trimmed the northern edge of the slight risk to around the I-80 corridor. Link to comment Share on other sites More sharing options...
cyclone77 Posted July 10, 2017 Share Posted July 10, 2017 ^Also slightly bumped the slight/marginal further west due to the slower than forecast progression of the surface low. Didn't expect to see south-southwesterly winds as far northwest as Cedar Rapids/Dubuque this late into the day. Link to comment Share on other sites More sharing options...
NTXYankee Posted July 10, 2017 Share Posted July 10, 2017 Well we got smacked around a bit here in Columbus and still going on in some areas of city Link to comment Share on other sites More sharing options...
Jim Martin Posted July 10, 2017 Share Posted July 10, 2017 4 PM Day 1 from SPC with not much change in the risk areas. Link to comment Share on other sites More sharing options...
Hoosier Posted July 10, 2017 Author Share Posted July 10, 2017 Atmospheric recovery has been sluggish around here so far. Been socked in with clouds. Link to comment Share on other sites More sharing options...
cyclone77 Posted July 10, 2017 Share Posted July 10, 2017 Had some decent towers overhead earlier but they crapped the bed when these patches of cirrostratus rolled in from the northwest. Link to comment Share on other sites More sharing options...
Indystorm Posted July 10, 2017 Share Posted July 10, 2017 Svr t storm watch issued till midnight eastern time for northern IL and north central IN. Hail to two inches and 70 mph winds this Monday evening. Link to comment Share on other sites More sharing options...
Jim Martin Posted July 10, 2017 Share Posted July 10, 2017 3 minutes ago, Indystorm said: Svr t storm watch issued till midnight eastern time for northern IL and north central IN. Hail to two inches and 70 mph winds this Monday evening. Link to comment Share on other sites More sharing options...
Hoosier Posted July 10, 2017 Author Share Posted July 10, 2017 This image is a little old but can see the CAPE gradient across IL/IN. Link to comment Share on other sites More sharing options...
Jim Martin Posted July 10, 2017 Share Posted July 10, 2017 Link to comment Share on other sites More sharing options...
Hoosier Posted July 10, 2017 Author Share Posted July 10, 2017 Tornado warning north of Peoria. Link to comment Share on other sites More sharing options...
geddyweather Posted July 10, 2017 Share Posted July 10, 2017 2 minutes ago, Hoosier said: Tornado warning north of Peoria. Make that three tornado warnings north of Peoria. Gigantic HP supercell with three apparent areas of rotation. One confirmed tornado already near Dunlap, IL. Link to comment Share on other sites More sharing options...
Hoosier Posted July 10, 2017 Author Share Posted July 10, 2017 Report of a brief touchdown with that cell, though the LSR incorrectly has AM instead of PM. Link to comment Share on other sites More sharing options...
OceanStWx Posted July 10, 2017 Share Posted July 10, 2017 1 minute ago, geddyweather said: Make that three tornado warnings north of Peoria. Gigantic HP supercell with three apparent areas of rotation. One confirmed tornado already near Dunlap, IL. I think the 3rd warning was for the occluded meso, which was headed out of the original box. Link to comment Share on other sites More sharing options...
Chinook Posted July 10, 2017 Share Posted July 10, 2017 I think the 3rd tornado warning was from a funnel cloud on the north side of the storm, perhaps connected to a non-rotating updraft. Link to comment Share on other sites More sharing options...
Tim from Springfield (IL) Posted July 10, 2017 Share Posted July 10, 2017 Why these three Peoria-area counties weren't included in the watch to begin with is beyond me--since the watch box outline included parts of all three of them. And with Peoria County in the thick of tornado warnings as we speak--and PIA city proper in play. WATCH COUNTY NOTIFICATION FOR WATCH 407 NATIONAL WEATHER SERVICE LINCOLN IL 559 PM CDT MON JUL 10 2017 ILC095-143-179-110400- /O.EXA.KILX.SV.A.0407.000000T0000Z-170711T0400Z/ THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 407 TO INCLUDE THE FOLLOWING AREAS UNTIL 11 PM CDT THIS EVENING IN ILLINOIS THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL ILLINOIS PEORIA TAZEWELL IN WEST CENTRAL ILLINOIS KNOX THIS INCLUDES THE CITIES OF GALESBURG, PEKIN, AND PEORIA. Link to comment Share on other sites More sharing options...
Hoosier Posted July 10, 2017 Author Share Posted July 10, 2017 3 minutes ago, Tim from Springfield (IL) said: Why these three Peoria-area counties weren't included in the watch to begin with is beyond me--since the watch box outline included parts of all three of them. And with Peoria County in the thick of tornado warnings as we speak--and PIA city proper in play. WATCH COUNTY NOTIFICATION FOR WATCH 407 NATIONAL WEATHER SERVICE LINCOLN IL 559 PM CDT MON JUL 10 2017 ILC095-143-179-110400- /O.EXA.KILX.SV.A.0407.000000T0000Z-170711T0400Z/ THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 407 TO INCLUDE THE FOLLOWING AREAS UNTIL 11 PM CDT THIS EVENING IN ILLINOIS THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL ILLINOIS PEORIA TAZEWELL IN WEST CENTRAL ILLINOIS KNOX THIS INCLUDES THE CITIES OF GALESBURG, PEKIN, AND PEORIA. That would probably lie with ILX and not SPC as I think the offices have the final call on which counties to include. OceanStWx can correct me if I'm wrong. Link to comment Share on other sites More sharing options...
OceanStWx Posted July 10, 2017 Share Posted July 10, 2017 3 minutes ago, Hoosier said: That would probably lie with ILX and not SPC as I think the offices have the final call on which counties to include. OceanStWx can correct me if I'm wrong. It's a bit of a collaboration process. Typically counties are proposed by SPC, then on a conference call WFOs can argue for or against any county they like, SPC issues the final proposal, and WFOs issue the watch. After that each WFO can add whatever county they want (after coordinating with SPC) without the need for a brand new watch (as long as the WFO was part of the original watch). Link to comment Share on other sites More sharing options...
knitwx Posted July 10, 2017 Share Posted July 10, 2017 2 tornado warnings in central In . Cass county In warning cited spotted sighted funnel cloud. Also a tornado warning in carroll co indiana. add miami co Spotters reported a funnel cloud near Chili in. Wabash co in warning locations impacted Wabash. Link to comment Share on other sites More sharing options...
Stebo Posted July 10, 2017 Share Posted July 10, 2017 3 minutes ago, knitwx said: 2 tornado warnings in central In . Cass county In warning cited spotted sighted funnel cloud. Also a tornado warning in carroll co indiana. The cell south of Logansport has pretty decent rotation right now. Link to comment Share on other sites More sharing options...
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