Alert archive / Ohio / Mesoscale Discussions in 2016

Mesoscale Discussion 816

June 4, 201611 counties in Kentucky; 16 counties in Ohio; 9 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Jun 4, 2016, 3:49 PM EDT for 11 counties in Kentucky; 16 counties in Ohio; 9 counties in West Virginia. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Jun 4, 2016, 3:49 PM EDT (19:49 UTC)
Expired
Jun 4, 2016, 5:45 PM EDT
In force
116 min
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 36 counties

Boyd County, KY, Bracken County, KY, Carter County, KY, Elliott County, KY, Fleming County, KY, Greenup County, KY, Lawrence County, KY, Lewis County, KY, Mason County, KY, Morgan County, KY, Rowan County, KY, Adams County, OH, Athens County, OH, Brown County, OH, Gallia County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Washington County, OH, Cabell County, WV, Jackson County, WV, Lincoln County, WV, Mason County, WV, Pleasants County, WV, Putnam County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 91 km from the middle of the area, began a volume at 19:49 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, 7.8 hours before the alert went out and 134 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 2016-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1274 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
112 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
Jun 4, 12:44 PM EDTMesoscale DiscussionSPCAdair, Bell, Boyd, Breathitt, Carter, Casey and 35 more2 hr
Jun 4, 1:33 PM EDTMesoscale DiscussionSPCBerkeley, Hampshire, Hardy, Jefferson, Mineral, Morgan and 1 more117 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.