Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 82, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at May 21, 1998, 6:25 PM CDT for Edmonson County, Grayson County, Kentucky. It was in force for 50 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
- May 21, 1998, 6:25 PM CDT (23:25 UTC)
- Expired
- May 21, 1998, 7:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
Counties Edmonson County, KY, Grayson County, KY
The radar
The Louisville radar (KLVX), 77 km from the middle of the area, began a volume at 23:26 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 |
|---|---|---|---|
| May 21, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 11.4 hours before the alert went out and 137 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
- 1382 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1095 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSDF 212325 RRA SVRSDF KYC061-085-213-227-220015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LOUISVILLE KY 725 PM EDT (625 PM CDT) THU MAY 21 1998 THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN GRAYSON IN SOUTH CENTRAL KENTUCKY EDMONSON COUNTY IN SOUTH CENTRAL KENTUCKY SIMPSON COUNTY IN SOUTH CENTRAL KENTUCKY WARREN COUNTY IN SOUTH CENTRAL KENTUCKY * UNTIL 715 PM CDT (815 PM EDT) * AT 620 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 30 MILES NORTHWEST OF BOWLING GREEN TO 20 MILES SOUTHWEST OF BOWLING GREEN...MOVING SOUTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SADLER AT 640 PM CDT FRANKLIN AT 640 PM CDT BOWLING GREEN AT 650 PM CDT BROWNSVILLE AT 650 PM CDT DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. HAIL IS ALSO POSSIBLE WITH THIS STORM. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! RNK
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 10:15 PM CDT | Severe Thunderstorm Warning | LMK | Bullitt | 35 min |
| May 20, 10:50 PM CDT | Severe Thunderstorm Warning | LMK | Bullitt, Nelson, Spencer | 35 min |
| May 20, 11:07 PM CDT | Severe Thunderstorm Warning | LMK | Anderson | 33 min |
| May 21, 12:23 AM CDT | Severe Thunderstorm Warning | LMK | Casey, Taylor | 32 min |
| May 21, 12:38 AM CDT | Flash Flood Warning | LMK | Bullitt | 82 min |
| May 21, 1:40 AM CDT | Severe Thunderstorm Warning | LMK | Adair | 35 min |
| May 21, 5:38 PM CDT | Severe Thunderstorm Warning | LMK | Butler, Ohio | 37 min |
| May 21, 5:38 PM CDT | Severe Thunderstorm Warning | LMK | Logan | 37 min |
| May 21, 6:18 PM CDT | Severe Thunderstorm Warning | LMK | Butler, Logan | 17 min |
| May 21, 6:18 PM CDT | Severe Thunderstorm Warning | LMK | Ohio | 17 min |
| May 21, 6:18 PM CDT | Severe Thunderstorm Warning | LMK | Butler, Logan | 22 min |
| May 21, 6:18 PM CDT | Severe Thunderstorm Warning | LMK | Ohio | 22 min |
| May 21, 6:25 PM CDT | Severe Thunderstorm Warning | LMK | Simpson, Warren | 50 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.