Alert archive / Indiana / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 39, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Apr 20, 2003, 6:15 PM EST for Scott County, Indiana. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 20, 2003, 6:15 PM EST (23:15 UTC)
- Expired
- Apr 20, 2003, 6:45 PM EST
- In force
- 30 min
- Issued by
- NWS Louisville, KY
- Area
- Counties, with a storm outline in the text
County Scott County, IN
The radar
The Louisville radar (KLVX), 81 km from the middle of the area, began a volume at 23:19 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 nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.3 hours before the alert went out and 194 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
- 54 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 1119 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- -84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
145 WUUS53 KLMK 202315 SVRLMK INC143-202345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LOUISVILLE KY 614 PM EST SUN APR 20 2003 THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SCOTT COUNTY IN SOUTH CENTRAL INDIANA * UNTIL 645 PM EST * AT 614 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER LEOTA...OR ABOUT 32 MILES NORTH OF LOUISVILLE...MOVING NORTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SCOTTSBURG...AUSTIN AROUND 620 PM EST NEW FRANKFORT AROUND 625 PM EST THIS IS A DANGEROUS STORM...CAPABLE OF PRODUCING VERY LARGE HAIL AND DAMAGING WINDS. IF YOU ARE IN THIS STORMS PATH...TAKE COVER IMMEDIATELY IN A STURDY STRUCTURE UNTIL IT HAS PASSED. STAY AWAY FROM WINDOWS AND ANY DOWNED POWER LINES. THIS SEVERE THUNDERSTORM WILL CROSS INTERSTATE 65 NEAR SCOTTSBURG. MOTORISTS SHOULD SEEK SHELTER IF TRAVELING ALONG THE INTERSTATE. A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE NOTICE. LAT...LON 3872 8600 3856 8591 3867 8559 3881 8568 $$ JMB
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 4:11 PM EST | Severe Thunderstorm Warning | LMK | Dubois | 49 min |
| Apr 20, 4:30 PM EST | Tornado Warning | LMK | Dubois | 30 min |
| Apr 20, 4:31 PM EST | Tornado Warning | LMK | Dubois | 29 min |
| Apr 20, 4:56 PM EST | Severe Thunderstorm Warning | LMK | Crawford, Orange | 49 min |
| Apr 20, 5:21 PM EST | Severe Thunderstorm Warning | LMK | Dubois | 24 min |
| Apr 20, 5:40 PM EST | Severe Thunderstorm Warning | LMK | Crawford, Perry | 40 min |
| Apr 20, 5:50 PM EST | Severe Thunderstorm Warning | LMK | Washington | 25 min |
| Apr 20, 5:59 PM EST | Severe Thunderstorm Warning | LMK | Perry | 46 min |
| Apr 20, 6:00 PM EST | Severe Thunderstorm Warning | LMK | Perry | 45 min |
| Apr 20, 6:05 PM EST | Severe Thunderstorm Warning | LMK | Orange | 25 min |
| Apr 20, 6:59 PM EST | Severe Thunderstorm Warning | LMK | Harrison | 46 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2003Every severe thunderstorm warning in 2003
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.