Alert archive / Kentucky / Mesoscale Discussions in 2019

Mesoscale Discussion 341

April 14, 201966 counties in Kentucky; 20 counties in Ohio; Cabell County, Wayne County, West Virginia

The Storm Prediction Center issued this mesoscale discussion at Apr 14, 2019, 12:25 PM CDT for 66 counties in Kentucky; 20 counties in Ohio; Cabell County, Wayne County, West Virginia. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Apr 14, 2019, 12:25 PM CDT (17:25 UTC)
Expired
Apr 14, 2019, 2:30 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
80%
All 88 counties

Adair County, KY, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Campbell County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Kenton County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owen County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Taylor County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Clinton County, OH, Fairfield County, OH, Fayette County, OH, Gallia County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH, Cabell County, WV, Wayne County, WV

The radar

The Jackson,KY radar (KJKL), 79 km from the middle of the area, began a volume at 17:26 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.4 hours before the alert went out and 140 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 2019-04-14Temperature 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 2019-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 629 square meters per square second.1939587897Sfc1 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
474 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
629 m²/s²
0-3 km storm-relative helicity
740 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
Apr 14, 1:33 PM CDTTornado WatchSPCBath, Bell, Boone, Bourbon, Boyd, Bracken and 52 more6 hr
Apr 14, 3:49 PM CDTMesoscale DiscussionSPCBoyd, Breathitt, Carter, Elliott, Floyd, Greenup and 12 more116 min
Apr 14, 2:46 PM CDTMesoscale DiscussionSPCAshland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 20 more59 min
Apr 14, 3:11 PM CDTTornado WatchSPCAshland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 29 more4 hr
Apr 14, 4:57 PM CDTMesoscale DiscussionSPCAshtabula, Belmont, Carroll, Columbiana, Geauga, Harrison and 5 more63 min
Apr 14, 6:21 PM CDTMesoscale DiscussionSPCColumbiana, Jefferson, Mahoning54 min
Apr 14, 5:08 PM CDTTornado WatchSPCBerkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 2 more9 hr
Apr 14, 5:30 PM CDTMesoscale DiscussionSPCBarbour, Braxton, Calhoun, Clay, Doddridge, Fayette and 21 more90 min
Apr 14, 5:46 PM CDTTornado WatchSPCBrooke, Hancock, Marion, Marshall, Monongalia, Ohio and 3 more8 hr
Apr 14, 6:12 PM CDTMesoscale DiscussionSPCMcDowell, Mercer, Monroe, Summers2 hr
Apr 14, 6:21 PM CDTSevere Thunderstorm WatchSPCBarbour, Braxton, Calhoun, Clay, Doddridge, Fayette and 19 more5 hr

Nearby

Mesoscale Discussions in Kentucky, 2019Mesoscale Discussions in Ohio, 2019Mesoscale Discussions in West Virginia, 2019Every mesoscale discussion in 2019

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.