Alert archive / Kentucky / Flash Flood Warnings in 1999
Flash Flood Warning 19, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Jul 24, 1999, 3:11 PM EDT for Harlan County, Kentucky. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1999, 3:11 PM EDT (19:11 UTC)
- Expired
- Jul 24, 1999, 5:10 PM EDT
- In force
- 119 min
- Issued by
- NWS Jackson, KY
- Area
- Whole counties
County Harlan County, KY
The radar
The Knoxville radar (KMRX), 78 km from the middle of the area, began a volume at 19:12 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, 7.2 hours before the alert went out and 291 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
- 572 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1170 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 50 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.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jackson, KY wrote its last area forecast discussion before this flash flood warning went out at Jul 24, 2:30 PM EDT, 41 minutes earlier.
Area forecast discussion, Jul 24, 2:30 PM EDT, 41 minutes before
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</html>The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 9:22 AM EDT | Severe Thunderstorm Warning | JKL | Floyd, Knott, Pike | 38 min |
| Jul 24, 9:56 AM EDT | Severe Thunderstorm Warning | JKL | Pike | 49 min |
| Jul 24, 12:02 PM EDT | Severe Thunderstorm Warning | JKL | Laurel, Pulaski | 63 min |
| Jul 24, 1:20 PM EDT | Severe Thunderstorm Warning | JKL | Clay, Leslie | 60 min |
| Jul 24, 1:25 PM EDT | Severe Thunderstorm Warning | JKL | Morgan | 50 min |
| Jul 24, 2:11 PM EDT | Flash Flood Warning | JKL | Clay, Owsley | 4 hr |
| Jul 24, 7:32 PM EDT | Severe Thunderstorm Warning | JKL | Estill | 43 min |
Nearby
Flash Flood Warnings in Kentucky, 1999Every flash flood warning in 1999
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.