Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 12, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Apr 8, 1998, 2:49 AM CDT for Allen County, Kentucky. It was in force for 31 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
- Apr 8, 1998, 2:49 AM CDT (07:49 UTC)
- Expired
- Apr 8, 1998, 3:20 AM CDT
- In force
- 31 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
County Allen County, KY
The radar
The Nashville radar (KOHX), 65 km from the middle of the area, began a volume at 07:50 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 8, 2:00 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 7.8 hours before the alert went out and 78 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
- 441 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1130 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 246 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 12.6
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, Apr 7, 10:52 PM CDT, 3 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1152 PM EDT TUE APR 07 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1145 PM IN MARBLE SIZE HAIL
04/07/98 WASHINGTON AT CAMPBELLSBURG.
WAIDLEYLocal storm report, Apr 7, 10:52 PM CDT, 3 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1152 PM EDT TUE APR 07 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1145 PM IN MARBLE SIZE HAIL
04/07/98 WASHINGTON AT CAMPBELLSBURG.
WAIDLEYLocal storm report, Apr 8, 2:48 AM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
348 AM EDT WED APR 08 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
330 AM KY LARGE TREES DOWN ACROSS
04/07/98 SIMPSON NORTHERN SIMPSON COUNTY.
WAIDLEYLocal storm report, Apr 8, 2:48 AM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
348 AM EDT WED APR 08 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
330 AM KY LARGE TREES DOWN ACROSS
04/07/98 SIMPSON NORTHERN SIMPSON COUNTY.
WAIDLEYThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 1:29 AM CDT | Severe Thunderstorm Warning | LMK | Logan | 46 min |
| Apr 8, 1:33 AM CDT | Tornado Warning | LMK | Logan | 47 min |
| Apr 8, 1:51 AM CDT | Severe Thunderstorm Warning | LMK | Warren | 39 min |
| Apr 8, 2:02 AM CDT | Severe Thunderstorm Warning | LMK | Trimble | 33 min |
| Apr 8, 2:15 AM CDT | Tornado Warning | LMK | Edmonson | 30 min |
| Apr 8, 2:28 AM CDT | Severe Thunderstorm Warning | LMK | Simpson | 32 min |
| Apr 8, 2:33 AM CDT | Severe Thunderstorm Warning | LMK | Barren | 32 min |
| Apr 8, 2:33 AM CDT | Tornado Warning | LMK | Hart | 32 min |
| Apr 8, 2:39 AM CDT | Tornado Warning | LMK | Barren | 31 min |
| Apr 8, 2:57 AM CDT | Tornado Warning | LMK | Green, Metcalfe | 23 min |
| Apr 8, 3:23 AM CDT | Severe Thunderstorm Warning | LMK | Adair | 32 min |
| Apr 8, 12:04 PM CDT | Severe Thunderstorm Warning | LMK | Butler, Warren | 31 min |
| Apr 8, 12:28 PM CDT | Severe Thunderstorm Warning | LMK | Edmonson | 17 min |
| Apr 8, 12:33 PM CDT | Severe Thunderstorm Warning | LMK | Grayson, Ohio | 27 min |
| Apr 8, 1:05 PM CDT | Severe Thunderstorm Warning | LMK | Breckinridge, Hardin | 25 min |
| Apr 8, 1:35 PM CDT | Severe Thunderstorm Warning | LMK | Hardin, Meade | 30 min |
| Apr 8, 1:35 PM CDT | Severe Thunderstorm Warning | LMK | Bullitt | 30 min |
| Apr 8, 1:53 PM CDT | Tornado Warning | LMK | Boyle, Mercer | 22 min |
| Apr 8, 1:58 PM CDT | Severe Thunderstorm Warning | LMK | Jefferson, Spencer | 32 min |
| Apr 8, 2:16 PM CDT | Severe Thunderstorm Warning | LMK | Shelby | 29 min |
| Apr 7, 9:30 PM CDT | Tornado Warning | LMK | Dubois | 30 min |
| Apr 7, 9:58 PM CDT | Tornado Warning | LMK | Orange | 32 min |
| Apr 7, 10:01 PM CDT | Tornado Warning | LMK | Dubois | 34 min |
| Apr 7, 10:27 PM CDT | Tornado Warning | LMK | Washington | 33 min |
| Apr 7, 10:35 PM CDT | Tornado Warning | LMK | Orange | 25 min |
| Apr 7, 10:59 PM CDT | Tornado Warning | LMK | Washington | 31 min |
| Apr 7, 11:13 PM CDT | Tornado Warning | LMK | Scott | 27 min |
| Apr 7, 11:56 PM CDT | Severe Thunderstorm Warning | LMK | Jefferson | 34 min |
| Apr 8, 12:01 AM CDT | Tornado Warning | LMK | Jefferson | 29 min |
| Apr 8, 12:15 AM CDT | Severe Thunderstorm Warning | LMK | Dubois | 30 min |
| Apr 8, 12:47 AM CDT | Tornado Warning | LMK | Jefferson | 28 min |
| Apr 8, 6:42 PM CDT | Severe Thunderstorm Warning | LMK | Crawford, Dubois, Orange, Perry | 33 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.