Alert archive / Kentucky / Mesoscale Discussions in 2014

Mesoscale Discussion 944

June 10, 201418 counties in Kentucky; 11 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2014, 4:40 PM EDT for 18 counties in Kentucky; 11 counties in Ohio. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: Jun 10, 2014, 4:40 PM EDT (20:40 UTC)
Expired: Jun 10, 2014, 6:15 PM EDT
In force: 95 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

All 29 counties

Boone County, KY, Boyd County, KY, Bracken County, KY, Campbell County, KY, Carter County, KY, Fleming County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Nicholas County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Clinton County, OH, Hamilton County, OH, Highland County, OH, Lawrence County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 84 km from the middle of the area, began a volume at 20:42 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.

Severe Thunderstorm Watch 278Jun 10, 7:10 PM EDT

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.7 hours before the alert went out and 85 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: 1147 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 81 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 10, 11:34 AM EDT	Mesoscale Discussion	SPC	Adair, Allen, Barren, Boyle, Breckinridge, Bullitt and 31 more	116 min
Jun 10, 2:00 PM EDT	Mesoscale Discussion	SPC	Adair, Anderson, Barren, Bath, Bell, Bourbon and 59 more	90 min
Jun 10, 2:20 PM EDT	Severe Thunderstorm Watch	SPC	Adair, Anderson, Barren, Bath, Bell, Bourbon and 58 more	7 hr
Jun 10, 4:57 PM EDT	Mesoscale Discussion	SPC	Anderson, Bath, Bell, Bourbon, Boyle, Breathitt and 34 more	63 min
Jun 10, 6:14 PM EDT	Mesoscale Discussion	SPC	Bath, Bell, Bourbon, Boyd, Bracken, Breathitt and 34 more	91 min
Jun 10, 7:10 PM EDT	Severe Thunderstorm Watch	SPC	Boyd, Bracken, Carter, Greenup, Lawrence, Lewis and 1 more	5 hr

Nearby

Mesoscale Discussions in Kentucky, 2014 Mesoscale Discussions in Ohio, 2014 Every mesoscale discussion in 2014

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.