Alert archive / Kentucky / Flash Flood Warnings in 1992
Flash Flood Warning 18, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Jul 31, 1992, 10:57 AM EDT for Boyd County, Kentucky. It was in force for 83 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1992, 10:57 AM EDT (14:57 UTC)
- Expired
- Jul 31, 1992, 12:20 PM EDT
- In force
- 83 min
- Issued by
- NWS Jackson, KY
- Area
- Whole counties
County Boyd County, KY
The nearest sounding before it
Huntington/Tri S, WV (KHTS), launched 12:00Z, 3.0 hours before the alert went out and 16 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
- 437 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 9:51 PM EDT | Severe Thunderstorm Warning | JKL | Morgan | 13 min |
| Jul 30, 10:15 PM EDT | Severe Thunderstorm Warning | JKL | Johnson | 28 min |
| Jul 30, 10:20 PM EDT | Severe Thunderstorm Warning | JKL | Lawrence | 23 min |
| Jul 30, 10:24 PM EDT | Severe Thunderstorm Warning | JKL | Clay, Knox | 51 min |
| Jul 30, 11:10 PM EDT | Severe Thunderstorm Warning | JKL | Leslie | 50 min |
| Jul 30, 11:42 PM EDT | Flash Flood Warning | JKL | Letcher, Perry | 60 min |
| Jul 31, 10:39 AM EDT | Flash Flood Warning | JKL | Carter, Elliott | 66 min |
| Jul 31, 10:41 AM EDT | Severe Thunderstorm Warning | JKL | Lawrence | 34 min |
| Jul 30, 10:20 PM EDT | Severe Thunderstorm Warning | JKL | Wayne | 40 min |
| Jul 31, 10:57 AM EDT | Flash Flood Warning | JKL | Cabell, Wayne | 83 min |
| Jul 31, 11:09 AM EDT | Flash Flood Warning | JKL | Wayne | 36 min |
| Jul 31, 11:09 AM EDT | Severe Thunderstorm Warning | JKL | Wayne | 36 min |
Nearby
Flash Flood Warnings in Kentucky, 1992Every flash flood warning in 1992
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.