Alert archive / Ohio / Mesoscale Discussions in 2005

Mesoscale Discussion 2497

November 28, 200522 counties in Indiana; 35 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Nov 28, 2005, 12:18 PM EST for 22 counties in Indiana; 35 counties in Ohio. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: Nov 28, 2005, 12:18 PM EST (17:18 UTC)
Expired: Nov 28, 2005, 1:45 PM EST
In force: 87 min
Issued by: the Storm Prediction Center

All 57 counties

Adams County, IN, Allen County, IN, Blackford County, IN, Dearborn County, IN, Decatur County, IN, DeKalb County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Hancock County, IN, Henry County, IN, Huntington County, IN, Jay County, IN, Madison County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Union County, IN, Wayne County, IN, Wells County, IN, Allen County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Highland County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Warren County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cincinnati radar (KILN), 115 km from the middle of the area, began a volume at 17:21 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, 5.3 hours before the alert went out and 115 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: 1084 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 543 m²/s²
0-3 km storm-relative helicity: 544 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
Nov 28, 12:26 AM EST	Tornado Watch	SPC	Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick	7 hr
Nov 28, 4:28 AM EST	Mesoscale Discussion	SPC	Gibson, Knox, Pike, Posey, Sullivan, Vanderburgh and 3 more	62 min
Nov 28, 11:52 AM EST	Mesoscale Discussion	SPC	Clark, Crawford, Floyd, Harrison, Perry	113 min
Nov 28, 12:13 PM EST	Tornado Watch	SPC	Clark, Floyd, Harrison, Jefferson, Scott, Washington	7 hr

Nearby

Mesoscale Discussions in Ohio, 2005 Mesoscale Discussions in Indiana, 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.