Alert archive / Indiana / Mesoscale Discussions in 2011

Mesoscale Discussion 1161

June 9, 20114 states

The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2011, 5:31 PM CDT for 4 states. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued
Jun 9, 2011, 5:31 PM CDT (22:31 UTC)
Expired
Jun 9, 2011, 7:00 PM CDT
In force
89 min
Issued by
the Storm Prediction Center
All 80 counties

Champaign County, IL, Clark County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Ford County, IL, Jasper County, IL, Lawrence County, IL, Moultrie County, IL, Piatt County, IL, Shelby County, IL, Vermilion County, IL, Bartholomew County, IN, Benton County, IN, Boone County, IN, Brown County, IN, Clark County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Fayette County, IN, Floyd County, IN, Fountain County, IN, Franklin County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Sullivan County, IN, Switzerland County, IN, Tippecanoe County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, Washington County, IN, Boone County, KY, Campbell County, KY, Carroll County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Harrison County, KY, Henry County, KY, Kenton County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Scott County, KY, Shelby County, KY, Trimble County, KY, Butler County, OH, Clermont County, OH, Hamilton County, OH

The radar

The Indianapolis radar (KIND), 36 km from the middle of the area, began a volume at 22:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 211 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2011-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2009 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2011-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2009 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1099 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 8:43 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 19 more92 min
Jun 8, 11:45 PM CDTMesoscale DiscussionSPCBureau, Cook, DeKalb, DuPage, Grundy, Kane and 6 more90 min
Jun 9, 1:44 AM CDTMesoscale DiscussionSPCBureau, Carroll, DeKalb, Henderson, Henry, Jo Daviess and 12 more2 hr
Jun 9, 5:46 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cass, Champaign, Cook and 34 more59 min
Jun 9, 4:29 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Christian, Fulton, Greene and 12 more61 min
Jun 9, 4:43 PM CDTSevere Thunderstorm WatchSPCAdams, Brown, Calhoun, Pike5 hr
Jun 9, 11:53 AM CDTSevere Thunderstorm WatchSPCBoyd, Carter, Greenup, Lawrence7 hr
Jun 9, 12:10 PM CDTMesoscale DiscussionSPCBell, Breathitt, Clay, Clinton, Floyd, Harlan and 13 more95 min
Jun 9, 2:29 AM CDTMesoscale DiscussionSPCAshtabula, Cuyahoga, Erie, Geauga, Henry, Huron and 10 more2 hr
Jun 9, 2:56 AM CDTSevere Thunderstorm WatchSPCAshland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 28 more6 hr
Jun 9, 7:13 AM CDTMesoscale DiscussionSPCAshtabula, Cuyahoga, Geauga, Holmes, Lake, Mahoning and 6 more2 hr

Nearby

Mesoscale Discussions in Indiana, 2011Mesoscale Discussions in Illinois, 2011Mesoscale Discussions in Kentucky, 2011Every mesoscale discussion in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.