Alert archive / Kentucky / Flash Flood Watches in 2020
Flash Flood Watch 4, NWS Jackson, KY
NWS Jackson, KY issued this flash flood watch at Jun 27, 2020, 8:28 PM EDT for 23 counties in Kentucky. It was in force for 72 hr.
The area
The counties it named.
The facts
- Issued
- Jun 27, 2020, 8:28 PM EDT (00:28 UTC)
- Expired
- Jun 30, 2020, 8:00 PM EDT
- In force
- 72 hr
- Issued by
- NWS Jackson, KY
- Flood severity
- None
All 23 counties
Bell County, KY, Breathitt County, KY, Clay County, KY, Estill County, KY, Harlan County, KY, Jackson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY
The radar
The Jackson,KY radar (KJKL), 53 km from the middle of the area, began a volume at 00:28 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 nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 0.5 hours before the alert went out and 282 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
- 786 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1256 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 9:18 AM EDT | Areal Flood Advisory | JKL | Menifee, Morgan, Rowan | 117 min |
| Jun 28, 12:08 PM EDT | Special Weather Statement | JKL | Pulaski, Wayne | 22 min |
| Jun 28, 12:49 PM EDT | Areal Flood Advisory | JKL | Magoffin, Morgan | 3 hr |
Nearby
Flash Flood Watches in Kentucky, 2020Every flash flood watch in 2020
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.