Alert archive / Kentucky / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 233, NWS Jackson, KY

June 27, 2025Knott County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 27, 2025, 7:11 PM EDT for Knott County, Kentucky. It was in force for 34 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 27, 2025, 7:11 PM EDT (23:11 UTC)
Expired
Jun 27, 2025, 7:45 PM EDT
In force
34 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Knott County, KY

The radar

The Jackson,KY radar (KJKL), 41 km from the middle of the area, began a volume at 23:12 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

Roanoke, VA (KRNK), launched 12:00Z, 11.2 hours before the alert went out and 306 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-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2025-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 249 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2025-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
249 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
894 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Jackson, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 5:25 PM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Jun 27, 5:25 PM EDT, 1 hour 46 minutes before
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Hazardous weather outlook, Jun 27, 3:54 PM EDT, 3 hours 17 minutes before
Hazardous Weather Outlook
National Weather Service Jackson KY
354 PM EDT Fri Jun 27 2025

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-281100-
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
354 PM EDT Fri Jun 27 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for a portion of eastern Kentucky.

.DAY ONE...Through Tonight.

Scattered thunderstorms will gradually diminish after sunset. Any
storm that develops will be capable of producing damaging winds, and
excessive rainfall which could lead to localized flooding.

Heat index values are forecast to peak in the 95 to 105 degree range
for many locations through early evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Thunderstorms are possible Saturday through Tuesday, especially
during the afternoon and evening hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GEERTSON

In the hours before

Special weather statement, Jun 27, 5:59 PM EDT, 1 hour 12 minutes before
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Special weather statement, Jun 27, 6:15 PM EDT, 56 minutes before
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Special weather statement, Jun 27, 6:29 PM EDT, 42 minutes before
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Special weather statement, Jun 27, 6:44 PM EDT, 27 minutes before
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Special weather statement, Jun 27, 6:46 PM EDT, 25 minutes before
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Special weather statement, Jun 27, 6:59 PM EDT, 12 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 1:47 PM EDTSpecial Weather StatementJKLJohnson28 min
Jun 27, 2:19 PM EDTSpecial Weather StatementJKLMcCreary26 min
Jun 27, 2:26 PM EDTSpecial Weather StatementJKLMartin34 min
Jun 27, 2:45 PM EDTSpecial Weather StatementJKLPulaski30 min
Jun 27, 3:32 PM EDTSpecial Weather StatementJKLElliott28 min
Jun 27, 3:50 PM EDTSpecial Weather StatementJKLLaurel25 min
Jun 27, 3:54 PM EDTAreal Flood AdvisoryJKLPulaski, Rockcastle2 hr
Jun 27, 3:55 PM EDTSpecial Weather StatementJKLWayne35 min
Jun 27, 4:02 PM EDTSevere Thunderstorm WarningJKLBath, Fleming, Montgomery28 min
Jun 27, 4:06 PM EDTSpecial Weather StatementJKLElliott24 min
Jun 27, 4:15 PM EDTSevere Thunderstorm WarningJKLElliott, Rowan30 min
Jun 27, 4:27 PM EDTAreal Flood AdvisoryJKLBath, Montgomery2 hr
Jun 27, 4:38 PM EDTSpecial Weather StatementJKLPike37 min
Jun 27, 5:27 PM EDTAreal Flood AdvisoryJKLFleming2 hr
Jun 27, 5:38 PM EDTSpecial Weather StatementJKLMagoffin22 min
Jun 27, 5:59 PM EDTSpecial Weather StatementJKLMagoffin16 min
Jun 27, 6:15 PM EDTSpecial Weather StatementJKLKnott15 min
Jun 27, 6:29 PM EDTSpecial Weather StatementJKLKnott16 min
Jun 27, 6:44 PM EDTSpecial Weather StatementJKLKnott16 min
Jun 27, 6:46 PM EDTSpecial Weather StatementJKLLeslie14 min
Jun 27, 6:53 PM EDTAreal Flood AdvisoryJKLBreathitt, Knott, Magoffin3 hr
Jun 27, 6:59 PM EDTSpecial Weather StatementJKLKnott16 min
Jun 27, 7:02 PM EDTAreal Flood AdvisoryJKLHarlan, Knott, Leslie, Letcher, Perry3 hr
Jun 27, 7:09 PM EDTAreal Flood AdvisoryJKLKnott3 hr
Jun 27, 7:18 PM EDTSpecial Weather StatementJKLLetcher27 min
Jun 27, 7:25 PM EDTSevere Thunderstorm WarningJKLKnott, Letcher35 min
Jun 27, 7:40 PM EDTSevere Thunderstorm WarningJKLLetcher, Pike35 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2025Every 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.