Alert archive / West Virginia / Frost Advisories in 2026
Frost Advisory 4, NWS Charleston, WV
NWS Charleston, WV issued this frost advisory at Apr 20, 2026, 12:54 AM EDT for 9 counties in West Virginia; Lawrence County, Ohio; 4 counties in Kentucky. It took effect at Apr 20, 2026, 11:00 PM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 20, 2026, 12:54 AM EDT (04:54 UTC)
- In effect from
- Apr 20, 2026, 11:00 PM EDT
- Expired
- Apr 20, 2026, 12:10 PM EDT
- In force
- Issued by
- NWS Charleston, WV
Counties Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Lawrence County, OH, Boone County, WV, Cabell County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Putnam County, WV, Wayne County, WV
The radar
The Charleston,WV radar (KRLX), 49 km from the middle of the area, began a volume at 04:55 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
Pittsburgh, PA (KPIT), launched 00:00Z, 4.9 hours before the alert went out and 310 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
- 7 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1571 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 12:54 AM EDT | Freeze Warning | RLX | Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 28 more | 32 hr |
Nearby
Frost Advisories in West Virginia, 2026Frost Advisories in Kentucky, 2026Frost Advisories in Ohio, 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.