Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 100, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Apr 30, 1997, 10:08 PM CDT for Simpson County, Warren County, Kentucky. It was in force for 37 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
- Apr 30, 1997, 10:08 PM CDT (03:08 UTC)
- Expired
- Apr 30, 1997, 10:45 PM CDT
- In force
- 37 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
Counties Simpson County, KY, Warren County, KY
The radar
The Nashville radar (KOHX), 69 km from the middle of the area, began a volume at 03:11 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 |
|---|---|---|---|
| Apr 30, 10:36 PM CDT | Hail 0.75 | Bowling Green, 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 |
|---|---|---|---|
| Apr 30, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 30, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 3.1 hours before the alert went out and 83 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
- 70 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1685 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 308 m²/s²
- 0-3 km storm-relative helicity
- 433 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
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
Special weather statement, Apr 30, 5:35 PM CDT, 4 hours 33 minutes before
INZ076>079-083-010400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 635 PM EDT WED APR 30 1997 ...A TORNADO WATCH IS IN AFFECT FOR PARTS OF SOUTHERN INDIANA UNTIL 12 MIDNIGHT EDT... A TORNADO WATCH HAS BEEN ISSUED FOR THE FOLLOWING COUNITES OF SOUTHERN INDIANA...DUBOIS...ORANGE...WASHINGTON...SCOTT...AND JEFFERSON. STRONG TO SEVERE THUNDERSTORMS WERE DEVELOPING RAPIDLY ACROSS SOUTHERN ILLINOIS...AND THE POTENTIAL FOR SOME OF THESE STORMS TO PRODUCE ISOLATED TORNADOES DOES EXIST THIS EVENING. YOU SHOULD MONITOR THE WEATHER IS EVENING. MCT
Special weather statement, Apr 30, 9:05 PM CDT, 1 hour 3 minutes before
INZ076>079-083-010400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 1005 PM EDT WED APR 30 1997 ...A TORNADO WATCH REMAINS IN AFFECT FOR PARTS OF SOUTHERN INDIANA UNTIL 12 MIDNIGHT EDT FOR DUBOIS/ORANGE/WASHINGTON/SCOTT AND JEFFERSON COUNTIES... THE LINE OF SEVERE THUNDERSTORMS WITH THE POTENTIAL FOR ISOLATED TORNADOES WILL PUSH THROUGH SOUTHERN INDIANA OVER THE NEXT 2-4 HOURS. STRONG WINDS TO 60-70 MPH AND LARGE HAIL...AS WELL AS THE POTENTIAL FOR ISOLATED TORNADOES ARE POSSIBLE WITH THE STORMS. A STORM SPOTTER IN CRAWFORD COUNTY REPORTED WINDS TO 67 MPH. MCT
Local storm report, Apr 30, 9:06 PM CDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1006 PM EDT WED APR 30 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM CURBY IN 67 MPH TSTM GUST
04/30/97 CRAWFORD SPOTTER ALSO SAW FUNNEL
CLOUD THAT NEVER TOUCHED
DOWNLocal storm report, Apr 30, 9:32 PM CDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1032 PM EDT WED APR 30 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM CURBY IN 67 MPH TSTM GUST
04/30/97 CRAWFORD SPOTTER ALSO SAW FUNNEL
CLOUD THAT NEVER TOUCHED
DOWN
0910 PM JASPER IN WIND DAMAGE
04/30/97 DUBOIS TREES AND POWER LINES DOWN
0925 PM PAOLI IN WIND DAMAGE
04/30/97 ORANGE TREES DOWN
0925 PM FRENCH LICK IN WIND DAMAGE
04/30/97 ORANGE TREES DOWN
0930 PM 3 W HORSE BRANCH KY WIND DAMAGE
04/30/97 OHIO WINDOWS BROKEN IN A
HOME...TREES DAMAGEDLocal storm report, Apr 30, 9:55 PM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1055 PM EDT WED APR 30 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1010 PM BRANCHVILLE IN WIND DAMAGE
04/30/97 PERRY TREES AND POWER LINES DOWN
1010 PM CORYDON IN WIND DAMAGE
04/30/97 HARRISON TREES AND POWER LINES DOWNThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 8:19 PM CDT | Severe Thunderstorm Warning | LMK | Ohio | 41 min |
| Apr 30, 9:13 PM CDT | Severe Thunderstorm Warning | LMK | Grayson | 32 min |
| Apr 30, 9:28 PM CDT | Severe Thunderstorm Warning | LMK | Hardin | 32 min |
| Apr 30, 9:32 PM CDT | Severe Thunderstorm Warning | LMK | Trimble | 28 min |
| Apr 30, 9:37 PM CDT | Severe Thunderstorm Warning | LMK | Logan | 38 min |
| Apr 30, 9:48 PM CDT | Severe Thunderstorm Warning | LMK | Larue, Nelson | 42 min |
| Apr 30, 10:19 PM CDT | Tornado Warning | LMK | Warren | 26 min |
| Apr 30, 10:24 PM CDT | Severe Thunderstorm Warning | LMK | Mercer, Washington | 36 min |
| Apr 30, 10:33 PM CDT | Severe Thunderstorm Warning | LMK | Allen, Barren | 42 min |
| Apr 30, 11:07 PM CDT | Severe Thunderstorm Warning | LMK | Monroe | 38 min |
| Apr 30, 7:58 PM CDT | Severe Thunderstorm Warning | LMK | Dubois | 32 min |
| Apr 30, 8:17 PM CDT | Severe Thunderstorm Warning | LMK | Crawford, Orange | 43 min |
| Apr 30, 8:25 PM CDT | Severe Thunderstorm Warning | LMK | Perry | 35 min |
| Apr 30, 8:39 PM CDT | Tornado Warning | LMK | Crawford, Perry | 21 min |
| Apr 30, 8:57 PM CDT | Severe Thunderstorm Warning | LMK | Harrison, Washington | 33 min |
| Apr 30, 9:02 PM CDT | Severe Thunderstorm Warning | LMK | Clark, Floyd | 43 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 1997Every severe thunderstorm warning in 1997
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.