Alert archive / Indiana / Mesoscale Discussions in 2005

Mesoscale Discussion 1887

July 26, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Jul 26, 2005, 11:20 PM CDT for 4 states. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: Jul 26, 2005, 11:20 PM CDT (04:20 UTC)
Expired: Jul 27, 2005, 12:45 AM CDT
In force: 85 min
Issued by: the Storm Prediction Center

All 86 counties

Clark County, IL, Clay County, IL, Crawford County, IL, Edwards County, IL, Franklin County, IL, Hamilton County, IL, Jasper County, IL, Jefferson County, IL, Lawrence County, IL, Marion County, IL, Richland County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Adams County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Gibson County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Jackson County, IN, Jay County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Pike County, IN, Posey County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tipton County, IN, Union County, IN, Vigo County, IN, Wayne County, IN, Wells County, IN, Lenawee County, MI, Monroe County, MI, Allen County, OH, Auglaize County, OH, Crawford County, OH, Darke County, OH, Defiance County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Logan County, OH, Lucas County, OH, Marion County, OH, Mercer County, OH, Morrow County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH

The radar

The Indianapolis radar (KIND), 51 km from the middle of the area, began a volume at 04:21 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.3 hours before the alert went out and 181 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1516 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1632 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 191 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 7.8

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.

Issued	Product	Office	Counties	Lasted
Jul 26, 9:02 PM CDT	Mesoscale Discussion	SPC	Champaign, Clark, Coles, Cumberland, DeWitt, Douglas and 10 more	58 min
Jul 26, 9:50 PM CDT	Severe Thunderstorm Watch	SPC	Clay, Crawford, Edwards, Franklin, Hamilton, Jasper and 8 more	3 hr

Nearby

Mesoscale Discussions in Indiana, 2005 Mesoscale Discussions in Ohio, 2005 Mesoscale Discussions in Illinois, 2005 Every mesoscale discussion in 2005

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.