Alert archive / Kentucky / Mesoscale Discussions in 2023
Mesoscale Discussion 48
The Storm Prediction Center issued this mesoscale discussion at Jan 12, 2023, 9:28 AM EST for 36 counties in Kentucky; 10 counties in Ohio; Cabell County, Mason County, Wayne County, West Virginia. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- Jan 12, 2023, 9:28 AM EST (14:28 UTC)
- Expired
- Jan 12, 2023, 10:30 AM EST
- In force
- 62 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...severe thunderstorm watch likely
- Chance of a watch
- 80%
All 49 counties
Bath County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Breathitt County, KY, Carter County, KY, Clark County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Garrard County, KY, Greenup County, KY, Harrison County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Lawrence County, KY, Lee County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Martin County, KY, Mason County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Pendleton County, KY, Powell County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Wolfe County, KY, Adams County, OH, Brown County, OH, Gallia County, OH, Highland County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Pike County, OH, Scioto County, OH, Vinton County, OH, Cabell County, WV, Mason County, WV, Wayne County, WV
The radar
The Jackson,KY radar (KJKL), 84 km from the middle of the area, began a volume at 14:28 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, 2.5 hours before the alert went out and 125 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.
- Mixed-layer CAPE
- 94 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 1:41 AM EST | Mesoscale Discussion | SPC | Ballard, Calloway, Carlisle, Fulton, Graves, Hickman and 4 more | 4 hr |
| Jan 12, 2:57 AM EST | Severe Thunderstorm Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more | 5 hr |
| Jan 12, 5:32 AM EST | Mesoscale Discussion | SPC | Adair, Anderson, Barren, Boyle, Breckinridge, Bullitt and 36 more | 118 min |
| Jan 12, 6:00 AM EST | Severe Thunderstorm Watch | SPC | Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more | 7 hr |
| Jan 12, 9:41 AM EST | Severe Thunderstorm Watch | SPC | Bath, Boyd, Bracken, Breathitt, Carter, Clay and 26 more | 4 hr |
| Jan 12, 12:44 PM EST | Mesoscale Discussion | SPC | Bell, Breathitt, Clay, Clinton, Cumberland, Jackson and 15 more | 2 hr |
Nearby
Mesoscale Discussions in Kentucky, 2023Mesoscale Discussions in Ohio, 2023Mesoscale Discussions in West Virginia, 2023Every mesoscale discussion in 2023
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.