Alert archive / Kentucky / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 126, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at May 8, 2009, 4:01 AM CDT for Edmonson County, Hart County, Kentucky. It was in force for 44 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 8, 2009, 4:01 AM CDT (09:01 UTC)
- Expired
- May 8, 2009, 4:45 AM CDT
- In force
- 44 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
Counties Edmonson County, KY, Hart County, KY
The radar
The Louisville radar (KLVX), 81 km from the middle of the area, began a volume at 09:03 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
Nashville Metro, TN (KBNA), launched 00:00Z, 9.0 hours before the alert went out and 134 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
- 79 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 1850 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 2:03 AM CDT, 1 hour 58 minutes earlier.
Area forecast discussion, May 8, 2:03 AM CDT, 1 hour 58 minutes before
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Special weather statement, May 8, 3:27 AM CDT, 34 minutes before
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</html>Special weather statement, May 8, 3:48 AM CDT, 13 minutes before
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</html>The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 4:03 AM CDT | Severe Thunderstorm Warning | LMK | Logan, Simpson | 42 min |
| May 8, 12:53 PM CDT | Severe Thunderstorm Warning | LMK | Breckinridge, Hancock | 22 min |
| May 8, 1:43 PM CDT | Flash Flood Watch | LMK | Anderson, Bourbon, Breckinridge, Bullitt, Clark, Fayette and 20 more | 6 hr |
| May 8, 3:10 PM CDT | Severe Thunderstorm Warning | LMK | Allen, Monroe | 15 min |
| May 8, 3:22 PM CDT | Areal Flood Advisory | LMK | Butler, Grayson, Ohio | 3 hr |
| May 8, 3:23 PM CDT | Tornado Warning | LMK | Allen, Monroe | 22 min |
| May 8, 3:34 PM CDT | Flash Flood Warning | LMK | Marion, Taylor, Washington | 3 hr |
| May 8, 3:43 PM CDT | Areal Flood Advisory | LMK | Green, Hardin, Hart, Larue | 3 hr |
| May 8, 3:54 PM CDT | Flash Flood Warning | LMK | Jefferson | 3 hr |
| May 8, 3:55 PM CDT | Severe Thunderstorm Warning | LMK | Garrard, Madison | 35 min |
| May 8, 3:57 PM CDT | Flash Flood Warning | LMK | Casey, Garrard, Lincoln | 3 hr |
| May 8, 4:01 PM CDT | Flash Flood Warning | LMK | Boyle | 119 min |
| May 8, 4:08 PM CDT | Flash Flood Warning | LMK | Clark, Madison | 3 hr |
| May 8, 4:12 PM CDT | Tornado Warning | LMK | Madison | 18 min |
| May 8, 4:19 PM CDT | Severe Thunderstorm Warning | LMK | Clark | 15 min |
| May 8, 5:47 PM CDT | Areal Flood Advisory | LMK | Oldham | 58 min |
| May 8, 6:04 PM CDT | Flash Flood Warning | LMK | Boyle | 56 min |
| May 8, 6:47 PM CDT | River Flood Warning | LMK | Ohio | 50 hr |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2009Every severe thunderstorm warning in 2009
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.