Alert archive / Kentucky / Mesoscale Discussions in 2007

Mesoscale Discussion 984

June 3, 20074 states

The Storm Prediction Center issued this mesoscale discussion at Jun 3, 2007, 2:45 PM EDT for 4 states. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued: Jun 3, 2007, 2:45 PM EDT (18:45 UTC)
Expired: Jun 3, 2007, 4:15 PM EDT
In force: 90 min
Issued by: the Storm Prediction Center

All 69 counties

Adams County, IN, Dearborn County, IN, Decatur County, IN, Fayette County, IN, Franklin County, IN, Henry County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Ohio County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Anderson County, KY, Boone County, KY, Bullitt County, KY, Campbell County, KY, Carroll County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Mercer County, KY, Nelson County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Washington County, KY, Woodford County, KY, Genesee County, MI, Hillsdale County, MI, Ingham County, MI, Jackson County, MI, Lenawee County, MI, Livingston County, MI, Monroe County, MI, Oakland County, MI, Shiawassee County, MI, Washtenaw County, MI, Wayne County, MI, Allen County, OH, Auglaize County, OH, Butler County, OH, Darke County, OH, Defiance County, OH, Fulton County, OH, Hamilton County, OH, Hancock County, OH, Henry County, OH, Lucas 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, Williams County, OH, Wood County, OH

The radar

The Cincinnati radar (KILN), 98 km from the middle of the area, began a volume at 18:45 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, 6.8 hours before the alert went out and 98 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: 76 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1196 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 40 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
Jun 3, 1:23 PM EDT	Mesoscale Discussion	SPC	Benton, Newton, Warren	97 min
Jun 2, 9:23 PM EDT	Mesoscale Discussion	SPC	Alpena, Cheboygan, Montmorency, Oscoda, Otsego, Presque Isle	67 min

Nearby

Mesoscale Discussions in Kentucky, 2007 Mesoscale Discussions in Ohio, 2007 Mesoscale Discussions in Indiana, 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.