Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 62, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at May 20, 1998, 5:00 PM EDT for Spencer County, Kentucky. It was in force for 30 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
- May 20, 1998, 5:00 PM EDT (21:00 UTC)
- Expired
- May 20, 1998, 5:30 PM EDT
- In force
- 30 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
County Spencer County, KY
The radar
The Louisville radar (KLVX), 54 km from the middle of the area, began a volume at 21:00 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 |
|---|---|---|---|
| May 20, 5:10 PM EDT | Thunderstorm Wind 50 | Waterford, 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 |
|---|---|---|---|
| May 20, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 204 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
- 7 J/kg
- Mixed-layer CIN
- -235 J/kg
- Mixed-layer LCL
- 898 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 60 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 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, May 20, 4:00 PM EDT, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
759 PM EDT WED MAY 20 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0345 PM LEWISPORT KY WIND DAMAGE
05/20/98 HANCOCK TREES AND POWER LINES
DOWN. REPORT FROM POLICE
DEPARTMENT
0345 PM LEWISPORT KY 1.75 INCH HAIL
05/20/98 HANCOCK
0350 PM TELL CITY IN WIND DAMAGE
05/20/98 PERRY ROOF DAMAGE. REPORZT FROM
DES.Local storm report, May 20, 4:41 PM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
839 PM EDT WED MAY 20 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0420 PM PAYNEVILLE KY 60 MPH TSTM GUST
05/20/98 MEADE REPORT FROM DES.Local storm report, May 20, 5:00 PM EDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
858 PM EDT WED MAY 20 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0435 PM VINE GROVE KY WIND DAMAGE
05/20/98 HARDIN TREES DOWN ACROSS HIGHWAY
144 AND OTHER STREETS
ACROSS COUNTY. POWER LINES
ALSO DOWN. REPORT FROM
VINE GROVE POLICE.The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 12:45 AM EDT | Severe Thunderstorm Warning | LMK | Jefferson, Oldham, Shelby, Spencer | 35 min |
| May 20, 1:00 AM EDT | Severe Thunderstorm Warning | LMK | Bullitt | 35 min |
| May 20, 1:18 AM EDT | Severe Thunderstorm Warning | LMK | Anderson, Franklin | 32 min |
| May 20, 1:43 AM EDT | Severe Thunderstorm Warning | LMK | Fayette | 32 min |
| May 20, 2:20 AM EDT | Severe Thunderstorm Warning | LMK | Madison | 20 min |
| May 20, 3:25 PM EDT | Severe Thunderstorm Warning | LMK | Hancock | 40 min |
| May 20, 3:53 PM EDT | Severe Thunderstorm Warning | LMK | Breckinridge, Meade | 37 min |
| May 20, 4:29 PM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Hardin, Jefferson | 36 min |
| May 20, 4:55 PM EDT | Severe Thunderstorm Warning | LMK | Larue, Nelson | 30 min |
| May 20, 5:10 PM EDT | Severe Thunderstorm Warning | LMK | Marion, Washington | 30 min |
| May 20, 5:15 PM EDT | Severe Thunderstorm Warning | LMK | Green, Taylor | 30 min |
| May 20, 5:26 PM EDT | Severe Thunderstorm Warning | LMK | Anderson, Mercer | 39 min |
| May 20, 5:26 PM EDT | Severe Thunderstorm Warning | LMK | Boyle, Casey | 39 min |
| May 20, 5:40 PM EDT | Severe Thunderstorm Warning | LMK | Jessamine, Woodford | 45 min |
| May 20, 5:40 PM EDT | Severe Thunderstorm Warning | LMK | Garrard, Lincoln | 45 min |
| May 20, 6:05 PM EDT | Severe Thunderstorm Warning | LMK | Clark, Fayette, Madison | 40 min |
| May 19, 11:46 PM EDT | Severe Thunderstorm Warning | LMK | Orange, Washington | 29 min |
| May 20, 3:10 PM EDT | Severe Thunderstorm Warning | LMK | Dubois | 30 min |
| May 20, 4:05 PM EDT | Severe Thunderstorm Warning | LMK | Crawford, Harrison | 40 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.