Alert archive / Kentucky / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 127, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Jun 24, 2018, 2:40 PM CDT for Allen County, Simpson County, Warren County, Kentucky. It was in force for 35 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
- Jun 24, 2018, 2:40 PM CDT (19:40 UTC)
- Expired
- Jun 24, 2018, 3:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Allen County, KY, Simpson County, KY, Warren County, KY
The radar
The Nashville radar (KOHX), 66 km from the middle of the area, began a volume at 19:44 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 12:00Z, 7.7 hours before the alert went out and 80 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
- 782 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.8
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 Jun 24, 1:41 PM CDT, 59 minutes earlier.
Area forecast discussion, Jun 24, 1:41 PM CDT, 59 minutes before
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</html>Hazardous weather outlook, Jun 24, 1:53 PM CDT, 47 minutes before
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Local storm report, Jun 24, 11:43 AM CDT, 2 hours 57 minutes before
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</html>Special weather statement, Jun 24, 1:58 PM CDT, 42 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 |
|---|---|---|---|---|
| Jun 24, 1:58 PM CDT | Special Weather Statement | LMK | Warren | 47 min |
| Jun 24, 2:03 PM CDT | Special Weather Statement | LMK | Cumberland, Monroe | 42 min |
| Jun 24, 2:08 PM CDT | Severe Thunderstorm Warning | LMK | Clinton, Cumberland, Monroe | 37 min |
| Jun 24, 2:43 PM CDT | Special Weather Statement | LMK | Clinton, Cumberland | 47 min |
| Jun 24, 2:51 PM CDT | Special Weather Statement | LMK | Monroe | 24 min |
| Jun 24, 3:01 PM CDT | Special Weather Statement | LMK | Logan | 29 min |
| Jun 24, 3:07 PM CDT | Special Weather Statement | LMK | Allen | 23 min |
| Jun 24, 3:25 PM CDT | Severe Thunderstorm Warning | LMK | Logan, Simpson, Warren | 35 min |
| Jun 24, 3:27 PM CDT | Special Weather Statement | LMK | Allen | 33 min |
| Jun 24, 3:36 PM CDT | Special Weather Statement | LMK | Allen | 9 min |
| Jun 24, 3:49 PM CDT | Special Weather Statement | LMK | Allen | 26 min |
| Jun 24, 4:17 PM CDT | Special Weather Statement | LMK | Allen | 28 min |
| Jun 24, 4:23 PM CDT | Special Weather Statement | LMK | Ohio | 37 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2018Every severe thunderstorm warning in 2018
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.