Alert archive / Kentucky / Red Flag Warnings in 2023
Red Flag Warning 1, NWS Paducah, KY
NWS Paducah, KY issued this red flag warning at Apr 20, 2023, 12:40 AM CDT for 17 counties in Kentucky. It took effect at Apr 20, 2023, 11:00 AM CDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 20, 2023, 12:40 AM CDT (05:40 UTC)
- In effect from
- Apr 20, 2023, 11:00 AM CDT
- Expired
- Apr 20, 2023, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Paducah, KY
Counties Caldwell County, KY, Calloway County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Graves County, KY, Henderson County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McLean County, KY, Muhlenberg County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY
The radar
The Ft Campbell radar (KHPX), 68 km from the middle of the area, began a volume at 05:44 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 00:00Z, 5.7 hours before the alert went out and 159 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3051 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Paducah, KY wrote its last area forecast discussion before this red flag warning went out at Apr 20, 12:01 AM CDT, 39 minutes earlier.
Area forecast discussion, Apr 20, 12:01 AM CDT, 39 minutes before
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</html>Hazardous weather outlook, Apr 19, 1:40 PM CDT, 11 hours before
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</html>The office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 5:02 PM CDT | Severe Thunderstorm Warning | PAH | Carter, Wayne | 28 min |
| Apr 20, 5:22 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 40 min |
| Apr 20, 6:26 PM CDT | Special Weather Statement | PAH | Bollinger | 49 min |
Nearby
Red Flag Warnings in Kentucky, 2023Every red flag warning in 2023
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.