Alert archive / Ohio / Mesoscale Discussions in 2007

Mesoscale Discussion 145

February 13, 200722 counties in Indiana; 6 counties in Kentucky; 28 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Feb 13, 2007, 7:19 AM EST for 22 counties in Indiana; 6 counties in Kentucky; 28 counties in Ohio. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Feb 13, 2007, 7:19 AM EST (12:19 UTC)
Expired: Feb 13, 2007, 1:15 PM EST
In force: 6 hr
Issued by: the Storm Prediction Center

All 56 counties

Bartholomew County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Jennings County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Ohio County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Gallatin County, KY, Kenton County, KY, Pendleton County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Madison County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Vinton County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 49 km from the middle of the area, began a volume at 12:21 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 12:00Z, 0.3 hours before the alert went out and 50 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 486 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 395 m²/s²
0-3 km storm-relative helicity: 498 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Feb 12, 8:03 PM EST	Mesoscale Discussion	SPC	Bartholomew, Boone, Brown, Clark, Clay, Daviess and 38 more	6 hr
Feb 13, 7:55 AM EST	Mesoscale Discussion	SPC	Fountain, Montgomery, Parke, Vermillion, Warren	6 hr
Feb 13, 1:51 PM EST	Mesoscale Discussion	SPC	Adams, Allen, Benton, Blackford, Boone, Carroll and 38 more	6 hr
Feb 13, 2:32 PM EST	Mesoscale Discussion	SPC	Bartholomew, Brown, Clay, Daviess, Dearborn, Decatur and 28 more	6 hr

Nearby

Mesoscale Discussions in Ohio, 2007 Mesoscale Discussions in Indiana, 2007 Mesoscale Discussions in Kentucky, 2007 Every mesoscale discussion in 2007

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.