Alert archive / Ohio / Mesoscale Discussions in 2016

Mesoscale Discussion 1167

July 6, 201625 counties in Kentucky; 42 counties in Ohio; 4 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Jul 6, 2016, 2:21 PM EDT for 25 counties in Kentucky; 42 counties in Ohio; 4 counties in West Virginia. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued
Jul 6, 2016, 2:21 PM EDT (18:21 UTC)
Expired
Jul 6, 2016, 3:45 PM EDT
In force
84 min
Issued by
the Storm Prediction Center
Chance of a watch
40%
All 71 counties

Bath County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Carter County, KY, Clark County, KY, Elliott County, KY, Fleming County, KY, Greenup County, KY, Harrison County, KY, Johnson County, KY, Lawrence County, KY, Lewis County, KY, Magoffin County, KY, Mason County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Pendleton County, KY, Powell County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Wolfe County, KY, Adams County, OH, Ashland County, OH, Athens County, OH, Brown County, OH, Clermont County, OH, Clinton County, OH, Coshocton County, OH, Crawford County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Knox County, OH, Lawrence County, OH, Licking County, OH, Madison County, OH, Marion County, OH, Meigs County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Richland County, OH, Ross County, OH, Scioto County, OH, Stark County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Wyandot County, OH, Cabell County, WV, Mason County, WV, Wayne County, WV, Wood County, WV

The radar

The Cincinnati radar (KILN), 78 km from the middle of the area, began a volume at 18:23 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, 6.4 hours before the alert went out and 76 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2016-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 438 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2016-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
438 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
899 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 11:32 AM EDTMesoscale DiscussionSPCBallard, Carlisle, Fulton, Hickman58 min
Jul 6, 11:48 AM EDTSevere Thunderstorm WatchSPCBallard, Calloway, Carlisle, Fulton, Graves, Hickman and 3 more5 hr
Jul 6, 1:53 PM EDTMesoscale DiscussionSPCBallard, Calloway, Carlisle, Fulton, Graves, Hickman and 3 more67 min
Jul 6, 2:24 PM EDTSevere Thunderstorm WatchSPCAdair, Allen, Anderson, Barren, Boyle, Breckinridge and 43 more6 hr
Jul 6, 5:48 PM EDTMesoscale DiscussionSPCBell, Clay, Clinton, Cumberland, Knox, Laurel and 7 more57 min

Nearby

Mesoscale Discussions in Ohio, 2016Mesoscale Discussions in Kentucky, 2016Mesoscale Discussions in West Virginia, 2016Every mesoscale discussion in 2016

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.