Alert archive / Kentucky / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 227, NWS Jackson, KY

June 17, 2025Clay County, Knox County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 17, 2025, 7:20 PM EDT for Clay County, Knox County, Kentucky. It was in force for 25 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 17, 2025, 7:20 PM EDT (23:20 UTC)
Expired: Jun 17, 2025, 7:45 PM EDT
In force: 25 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clay County, KY, Knox County, KY

The radar

The Jackson,KY radar (KJKL), 75 km from the middle of the area, began a volume at 23:21 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, 11.3 hours before the alert went out and 270 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 223 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 633 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 16, 8:20 PM EDT	Areal Flood Advisory	JKL	McCreary	3 hr
Jun 16, 8:54 PM EDT	Areal Flood Advisory	JKL	Pulaski	4 hr
Jun 16, 9:05 PM EDT	Special Weather Statement	JKL	Whitley	40 min
Jun 16, 9:15 PM EDT	Areal Flood Advisory	JKL	Pulaski	4 hr
Jun 16, 9:30 PM EDT	Areal Flood Advisory	JKL	Whitley	2 hr
Jun 16, 9:53 PM EDT	Areal Flood Advisory	JKL	Elliott	3 hr
Jun 16, 10:01 PM EDT	Special Weather Statement	JKL	Clay	44 min
Jun 16, 10:10 PM EDT	Areal Flood Advisory	JKL	Jackson	3 hr
Jun 16, 10:25 PM EDT	Special Weather Statement	JKL	Leslie	50 min
Jun 16, 11:05 PM EDT	Areal Flood Advisory	JKL	Estill, Jackson, Lee, Powell, Rockcastle, Wolfe	3 hr
Jun 16, 11:15 PM EDT	Special Weather Statement	JKL	Menifee, Powell	30 min
Jun 17, 3:05 AM EDT	Flood Watch	JKL	Bath, Breathitt, Clay, Elliott, Estill, Fleming and 21 more	21 hr
Jun 17, 2:22 PM EDT	Special Weather Statement	JKL	Clay	23 min
Jun 17, 2:47 PM EDT	Special Weather Statement	JKL	Magoffin	28 min
Jun 17, 3:01 PM EDT	Special Weather Statement	JKL	Rockcastle	29 min
Jun 17, 3:15 PM EDT	Severe Thunderstorm Warning	JKL	Jackson, Laurel, Pulaski, Rockcastle	30 min
Jun 17, 3:25 PM EDT	Special Weather Statement	JKL	Clay	35 min
Jun 17, 3:29 PM EDT	Special Weather Statement	JKL	Laurel	31 min
Jun 17, 3:42 PM EDT	Special Weather Statement	JKL	Jackson	33 min
Jun 17, 3:47 PM EDT	Special Weather Statement	JKL	Pulaski, Wayne	43 min
Jun 17, 4:04 PM EDT	Special Weather Statement	JKL	Martin	26 min
Jun 17, 4:11 PM EDT	Special Weather Statement	JKL	Owsley	34 min
Jun 17, 4:23 PM EDT	Special Weather Statement	JKL	Laurel	37 min
Jun 17, 4:30 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Lee, Owsley, Wolfe	30 min
Jun 17, 4:33 PM EDT	Special Weather Statement	JKL	Perry	27 min
Jun 17, 4:55 PM EDT	Special Weather Statement	JKL	Breathitt, Magoffin, Morgan, Wolfe	35 min
Jun 17, 5:02 PM EDT	Special Weather Statement	JKL	Clay, Jackson, Laurel	28 min
Jun 17, 5:04 PM EDT	Special Weather Statement	JKL	Knott	26 min
Jun 17, 5:07 PM EDT	Special Weather Statement	JKL	Whitley	23 min
Jun 17, 5:27 PM EDT	Special Weather Statement	JKL	Johnson, Magoffin	33 min
Jun 17, 6:43 PM EDT	Special Weather Statement	JKL	Laurel, Whitley	32 min
Jun 17, 6:56 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Knox, Laurel, Whitley	34 min
Jun 17, 7:21 PM EDT	Areal Flood Advisory	JKL	McCreary, Whitley	114 min
Jun 17, 7:40 PM EDT	Special Weather Statement	JKL	Breathitt, Leslie, Perry	35 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2025 Every severe thunderstorm warning in 2025

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.