Alert archive / Kentucky / Mesoscale Discussions in 2019
Mesoscale Discussion 898
The Storm Prediction Center issued this mesoscale discussion at May 30, 2019, 1:45 PM EDT for 28 counties in Kentucky; 9 counties in Virginia; 22 counties in West Virginia. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 30, 2019, 1:45 PM EDT (17:45 UTC)
- Expired
- May 30, 2019, 3:45 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 59 counties
Bell County, KY, Breathitt County, KY, Clay County, KY, Clinton County, KY, Estill County, KY, Floyd County, KY, Harlan County, KY, Jackson County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Pulaski County, KY, Rockcastle County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Bland County, VA, Buchanan County, VA, City of Norton, VA, Dickenson County, VA, Giles County, VA, Lee County, VA, Russell County, VA, Tazewell County, VA, Wise County, VA, Boone County, WV, Braxton County, WV, Calhoun County, WV, Clay County, WV, Fayette County, WV, Greenbrier County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Monroe County, WV, Nicholas County, WV, Pocahontas County, WV, Putnam County, WV, Raleigh County, WV, Roane County, WV, Summers County, WV, Wayne County, WV, Webster County, WV, Wyoming County, WV
The radar
The Jackson,KY radar (KJKL), 85 km from the middle of the area, began a volume at 17:47 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, 5.8 hours before the alert went out and 238 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
- 48 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 961 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
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 |
|---|---|---|---|---|
| May 30, 12:15 PM EDT | Mesoscale Discussion | SPC | Arlington, Clarke, Culpeper, Fairfax, Fauquier, Frederick and 19 more | 2 hr |
| May 30, 2:01 PM EDT | Severe Thunderstorm Watch | SPC | Arlington, Clarke, Culpeper, Fairfax, Fauquier, Greene and 14 more | 5 hr |
| May 30, 3:56 PM EDT | Mesoscale Discussion | SPC | Arlington, Fairfax, King George, Stafford, Westmoreland, City of Alexandria and 2 more | 64 min |
| May 30, 6:35 PM EDT | Mesoscale Discussion | SPC | Caroline, Culpeper, Greene, King George, Louisa, Madison and 6 more | 55 min |
Nearby
Mesoscale Discussions in Kentucky, 2019Mesoscale Discussions in West Virginia, 2019Mesoscale Discussions in 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.