Alert archive / Kentucky / Frost Advisories in 2026

Frost Advisory 4, NWS Jackson, KY

April 7, 202615 counties in Kentucky

NWS Jackson, KY issued this frost advisory at Apr 7, 2026, 1:04 PM EDT for 15 counties in Kentucky. It took effect at Apr 8, 2026, 1:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 7, 2026, 1:04 PM EDT (17:04 UTC)
In effect from
Apr 8, 2026, 1:00 AM EDT
Expired
Apr 8, 2026, 9:37 AM EDT
In force
9 hr
Issued by
NWS Jackson, KY

Counties Bath County, KY, Bell County, KY, Estill County, KY, Fleming County, KY, Harlan County, KY, Jackson County, KY, Knox County, KY, Laurel County, KY, McCreary County, KY, Montgomery County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Wayne County, KY, Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 69 km from the middle of the area, began a volume at 17:08 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.1 hours before the alert went out and 235 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, Cncnati-Daytn, OH at 12:00Z on 2026-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 2026-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -73 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
-73 m²/s²
0-3 km storm-relative helicity
240 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.

IssuedProductOfficeCountiesLasted
Apr 7, 1:04 PM EDTFreeze WarningJKLBath, Breathitt, Clay, Elliott, Fleming, Floyd and 15 more21 hr

Nearby

Frost Advisories in Kentucky, 2026Every frost advisory in 2026

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.