Alert archive / Indiana / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 13, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Apr 9, 1991, 2:38 PM EDT for Harrison County, Indiana; Meade 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 9, 1991, 2:38 PM EDT (18:38 UTC)
- Expired
- Apr 9, 1991, 3:15 PM EDT
- In force
- 37 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
Counties Harrison County, IN, Meade County, KY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 9, 3:10 PM EDT | Thunderstorm Wind 0 | Harrison, IN |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 6.6 hours before the alert went out and 221 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
- 1517 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 637 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSDF 091838 SVRSDF INC061-KYC163-091915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LOUISVILLE KY 238 PM EDT TUE APR 9 1991 THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH INDIANA ...HARRISON COUNTY IN NORTH CENTRAL KENTUCKY ...MEADE COUNTY AT 235 PM EDT...MEADE COUNTY SHERIFF REPORTED TREES AND POWER LINES DOWN AROUND 30 MILES WEST OF LOUISVILLE NEAR LITTLE BEND IN NORTHERN MEADE COUNTY. THIS SEVERE THUNDERSTORM WAS MOVING NORTHEAST AROUND 45 MPH AND WILL BE MOVING INTO THE CORYDON AREA BY 245 PM EDT. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. HOLDERBACH
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 9, 11:38 AM EDT, 3 hours before
KYZALL-INZ015-092000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 1140 AM EDT TUE APR 9 1991 THE NATIONAL SEVERE STORMS FORECAST CENTER HAS INDICATED THE POSSIBILITY OF SEVERE THUNDERSTORMS OVER ALL OF KENTUCKY THIS AFTERNOON. A STRONG COLD FRONT WILL MOVE ACROSS KENTUCKY THIS AFTERNOON. THE FRONT WILL MOVE INTO A VERY MOIST AND UNSTABLE AIR MASS. THIS WILL RESULT IN THE DEVELOPMENT OF THUNDERSTORMS OVER KENTUCKY THIS AFTERNOON. SINCE THE AIR MASS IS SO UNSTABLE...SOME OF THESE STORMS COULD BECOME SEVERE WITH STRONG WINDS AND HAIL. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR ADDITIONAL STATEMENTS. FUNK
Special weather statement, Apr 9, 1:22 PM EDT, 1 hour 16 minutes before
KYZALL-INZ013-015-091900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 115 PM EDT TUE APR 9 1991 ...STRONG THUNDERSTORMS HAD DEVELOPED JUST TO THE WEST AND NORTH OF LOUISVILLE.... AT 1 PM EDT STRONG THUNDERSTORMS WERE LOCATED JUST TO THE WEST AND NORTH OF LOUISVILLE FROM NEAR SCOTTSBURG INDIANA...ABOUT 35 MILES NORTH OF LOUISVILLE...TO NEAR CORYDON INDIANA...25 MILES WEST OF LOUISVILLE ...SOUTH INTO MEADE COUNTY. THE STRONGEST STORMS WERE NORTH OF THE OHIO RIVER OVER HARRISON...FLOYD...WASHINGTON AND CLARK COUNTIES IN INDIANA. THESE STORMS WERE MOVING RAPIDLY TO THE EAST AROUND 45 MPH AND WILL MOVE ACROSS FLOYD AND CLARK COUNTIES IN INDIANA AND INTO JEFFERSON AND OLDHAM COUNTIES IN KENTUCKY BY 2 PM EDT. IF YOU ARE IN THE PATH OF THESE STORMS...SEEK A PLACE OF SAFETY INDOORS. STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE STORMS. SCHOLZ
Special weather statement, Apr 9, 1:25 PM EDT, 1 hour 13 minutes before
KYZALL-INZ013-015-091900- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE LOUISVILLE KY 115 PM EDT TUE APR 9 1991 ...STRONG THUNDERSTORMS HAD DEVELOPED JUST TO THE WEST AND NORTH OF LOUISVILLE.... AT 1 PM EDT STRONG THUNDERSTORMS WERE LOCATED JUST TO THE WEST AND NORTH OF LOUISVILLE FROM NEAR SCOTTSBURG INDIANA...ABOUT 35 MILES NORTH OF LOUISVILLE...TO NEAR CORYDON INDIANA...25 MILES WEST OF LOUISVILLE ...SOUTH INTO MEADE COUNTY. THE STRONGEST STORMS WERE NORTH OF THE OHIO RIVER OVER HARRISON...FLOYD...WASHINGTON AND CLARK COUNTIES IN INDIANA. SMALL HAIL WAS REPORTED NORTH OF CORYDON IN HARRISON COUNTY. THESE STORMS WERE MOVING RAPIDLY TO THE EAST AROUND 45 MPH AND WILL MOVE ACROSS FLOYD AND CLARK COUNTIES IN INDIANA AND INTO JEFFERSON AND OLDHAM COUNTIES IN KENTUCKY BY 2 PM EDT. IF YOU ARE IN THE PATH OF THESE STORMS...SEEK A PLACE OF SAFETY INDOORS. STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE STORMS. NO THUNDERSTORMS WERE OCCURRING OVER SOUTH CENTRAL KENTUCKY. A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY UNTIL 7 PM EASTERN TIME. SCHOLZ
Special weather statement, Apr 9, 1:40 PM EDT, 58 minutes before
KYZALL-INZ013-015-091900- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE LOUISVILLE KY 140 PM EDT TUE APR 9 1991 ...STRONG THUNDERSTORMS WAS MOVING ACROSS TRIMBLE COUNTY. AT 130 PM EDT A STRONG THUNDERSTORM WAS LOCATED OVER TRIMBLE COUNTY... AROUND 30 MILES NORTHEAST OF LOUISVILLE. MARBLE SIZED HAIL WAS REPORTED WITH THIS STORM BETWEEN BEDFORD AND MILTON. THIS STORM WAS MOVING EAST AROUND 40 MPH AND WILL BE OUT OF THE TRIMBLE COUNTY AREA BEFORE 2 PM. IF YOU ARE IN THE PATH OF THIS STORM...SEEK A PLACE OF SAFETY INDOORS. STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE STORMS. A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF SOUTH CENTRAL INDIANA AND& CENTRAL KENTUCKY UNTIL 7 PM EASTERN TIME. SCHOLZ
Special weather statement, Apr 9, 2:08 PM EDT, 30 minutes before
KYZALL-INZ013-015-092000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 210 PM EDT TUE APR 9 1991 ...STRONG THUNDERSTORMS CONTINUED WEST AND NORTH OF LOUISVILLE... AT 2 PM EDT STRONG THUNDERSTORMS CONTINUED TO THE NORTH AND WEST OF LOUISVILLE FROM NEAR MEADE COUNTY TO NORTH OF LOUISVILLE ACROSS WASHINGTON...HARRISON..FLOYD...CLARK AND SCOTT COUNTIES. MARBLE SIZED HAIL HAS BEEN REPORTED WITH SOME OF THESE STORMS. STRONG WINDS HAVE ALSO BEEN REPORTED. THESE STORMS WERE MOVING RAPIDLY TO THE EAST. IF YOU ARE IN THE PATH OF THIS STORM...SEEK A PLACE OF SAFETY INDOORS. STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE STORMS. A TORNADO WATCH REMAINSQ IN EFFECT FOR ALL OF SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY. SCHOLZ
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 1:32 PM EDT | Severe Thunderstorm Warning | LMK | Floyd, Harrison | 28 min |
| Apr 9, 2:28 PM EDT | Tornado Warning | LMK | Floyd | 32 min |
| Apr 9, 2:46 PM EDT | Severe Thunderstorm Warning | LMK | Clark | 29 min |
| Apr 9, 3:02 PM EDT | Severe Thunderstorm Warning | LMK | Scott, Washington | 28 min |
| Apr 9, 7:46 AM EDT | Severe Thunderstorm Warning | LMK | Crittenden | 44 min |
| Apr 9, 3:09 PM EDT | Severe Thunderstorm Warning | LMK | Adair, Clinton, Russell | 36 min |
| Apr 9, 3:11 PM EDT | Severe Thunderstorm Warning | LMK | Shelby | 49 min |
| Apr 9, 3:27 PM EDT | Severe Thunderstorm Warning | LMK | Casey, Marion, Taylor | 48 min |
| Apr 9, 3:31 PM EDT | Severe Thunderstorm Warning | LMK | Garrard, Madison | 104 min |
| Apr 9, 3:43 PM EDT | Severe Thunderstorm Warning | LMK | Madison | 32 min |
| Apr 9, 3:57 PM EDT | Flash Flood Warning | LMK | Clark, Fayette, Jessamine | 63 min |
| Apr 9, 3:57 PM EDT | Flash Flood Warning | LMK | Garrard | 63 min |
| Apr 9, 4:14 PM EDT | Severe Thunderstorm Warning | LMK | Estill, Madison | 61 min |
| Apr 9, 4:32 PM EDT | Severe Thunderstorm Warning | LMK | Bath, Montgomery, Powell | 28 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1991Severe Thunderstorm Warnings in Kentucky, 1991Every severe thunderstorm warning in 1991
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.