Alert archive / Indiana / Mesoscale Discussions in 2013

Mesoscale Discussion 1367

July 10, 20139 counties in Illinois; 55 counties in Indiana; 21 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2013, 7:57 AM CDT for 9 counties in Illinois; 55 counties in Indiana; 21 counties in Ohio. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jul 10, 2013, 7:57 AM CDT (12:57 UTC)
Expired
Jul 10, 2013, 10:30 AM CDT
In force
3 hr
Issued by
the Storm Prediction Center
Chance of a watch
40%
All 85 counties

Champaign County, IL, Clark County, IL, Coles County, IL, Douglas County, IL, Edgar County, IL, Ford County, IL, Iroquois County, IL, Piatt County, IL, Vermilion County, IL, Adams County, IN, Allen County, IN, Bartholomew County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Decatur County, IN, DeKalb County, IN, Delaware County, IN, Fayette County, IN, Fountain County, IN, Franklin County, IN, Fulton County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Jay County, IN, Johnson County, IN, Kosciusko County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Newton County, IN, Owen County, IN, Parke County, IN, Pulaski County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, Wayne County, IN, Wells County, IN, White County, IN, Whitley County, IN, Allen County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Darke County, OH, Defiance County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Logan County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Shelby County, OH, Van Wert County, OH, Wood County, OH, Wyandot County, OH

The radar

The Indianapolis radar (KIND), 34 km from the middle of the area, began a volume at 13:00 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 1.0 hours before the alert went out and 198 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 2013-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3158 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 2013-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.19395878Sfc1 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
3158 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

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
Jul 10, 12:50 PM CDTMesoscale DiscussionSPCHardin85 min
Jul 10, 10:53 AM CDTMesoscale DiscussionSPCAdams, Allen, Blackford, Carroll, Cass, DeKalb and 25 more67 min
Jul 10, 11:31 AM CDTSevere Thunderstorm WatchSPCAdams, Allen, Bartholomew, Blackford, Brown, Dearborn and 35 more7 hr
Jul 10, 2:15 PM CDTSevere Thunderstorm WatchSPCAthens, Gallia, Jackson, Lawrence, Meigs, Vinton and 1 more5 hr

Nearby

Mesoscale Discussions in Indiana, 2013Mesoscale Discussions in Ohio, 2013Mesoscale Discussions in Illinois, 2013Every mesoscale discussion in 2013

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.