Alert archive / Kentucky / Flash Flood Watches in 2017
Flash Flood Watch 4, NWS Jackson, KY
NWS Jackson, KY issued this flash flood watch at Jun 4, 2017, 9:58 PM EDT for 7 counties in Kentucky. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Jun 4, 2017, 9:58 PM EDT (01:58 UTC)
- Expired
- Jun 5, 2017, 3:36 PM EDT
- In force
- 18 hr
- Issued by
- NWS Jackson, KY
- Flood severity
- None
Counties Bell County, KY, Knox County, KY, Laurel County, KY, McCreary County, KY, Pulaski County, KY, Wayne County, KY, Whitley County, KY
The radar
The Knoxville radar (KMRX), 109 km from the middle of the area, began a volume at 01:59 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, 2.0 hours before the alert went out and 227 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
- 508 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 981 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.6
The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 4:13 PM EDT | Areal Flood Advisory | JKL | Fleming, Rowan | 4 hr |
| Jun 5, 4:48 PM EDT | Areal Flood Advisory | JKL | Bath | 4 hr |
| Jun 5, 5:25 PM EDT | Areal Flood Advisory | JKL | Rowan | 3 hr |
| Jun 5, 6:13 PM EDT | Special Weather Statement | JKL | Fleming | 47 min |
| Jun 5, 6:53 PM EDT | Special Weather Statement | JKL | Bath, Elliott, Montgomery, Rowan | 37 min |
Nearby
Flash Flood Watches in Kentucky, 2017Every flash flood watch in 2017
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.