Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 137, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Jun 10, 1998, 6:28 PM EDT for Jefferson County, Kentucky. It was in force for 32 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 10, 1998, 6:28 PM EDT (22:28 UTC)
- Expired
- Jun 10, 1998, 7:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
County Jefferson County, KY
The radar
The Louisville radar (KLVX), 34 km from the middle of the area, began a volume at 22:32 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 10, 6:30 PM EDT | Thunderstorm Wind 52 | Louisville, KY |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 10, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.5 hours before the alert went out and 212 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
- 812 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.0
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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Jun 10, 2:38 PM EDT, 3 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
238 PM EDT WED JUN 10 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0150 PM FLAHERTY KY WIND DAMAGE
06/10/98 MEADE TRAILERS BLOWN OFF
FOUNDATION, POWER LINES -
TREES DOWN, WINDOWS BLOWN
OUT
0215 PM COXS CREEK KY WIND DAMAGE
06/10/98 NELSON TREES AND POWER LINES DOWNThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 1:50 PM EDT | Tornado Warning | LMK | Hardin, Meade | 30 min |
| Jun 10, 2:00 PM EDT | Severe Thunderstorm Warning | LMK | Anderson | 35 min |
| Jun 10, 2:01 PM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Nelson | 34 min |
| Jun 10, 2:46 PM EDT | Severe Thunderstorm Warning | LMK | Fayette | 19 min |
| Jun 10, 6:27 PM EDT | Tornado Warning | LMK | Butler, Logan | 43 min |
| Jun 10, 6:53 PM EDT | Flash Flood Warning | LMK | Jefferson | 2 hr |
| Jun 10, 6:58 PM EDT | Severe Thunderstorm Warning | LMK | Warren | 47 min |
| Jun 10, 7:12 PM EDT | Flash Flood Warning | LMK | Allen, Logan, Simpson, Warren | 3 hr |
| Jun 10, 7:17 PM EDT | Severe Thunderstorm Warning | LMK | Simpson | 33 min |
| Jun 10, 6:23 PM EDT | Severe Thunderstorm Warning | LMK | Harrison | 22 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.