Alert archive / West Virginia / Frost Advisories in 2022
Frost Advisory 4, NWS Charleston, WV
NWS Charleston, WV issued this frost advisory at Apr 28, 2022, 1:18 PM EDT for 4 counties in West Virginia. It took effect at Apr 29, 2022, 1:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 28, 2022, 1:18 PM EDT (17:18 UTC)
- In effect from
- Apr 29, 2022, 1:00 AM EDT
- Expired
- Apr 29, 2022, 8:11 AM EDT
- In force
- 7 hr
- Issued by
- NWS Charleston, WV
Counties Doddridge County, WV, Lewis County, WV, Tyler County, WV, Upshur County, WV
The radar
The Charleston,WV radar (KRLX), 137 km from the middle of the area, began a volume at 17:18 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 12:00Z, 5.3 hours before the alert went out and 145 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
- 754 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -59 m²/s²
- 0-3 km storm-relative helicity
- 12 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 28, 1:18 PM EDT | Freeze Warning | RLX | Barbour, Harrison, Randolph, Taylor | 19 hr |
Nearby
Frost Advisories in West Virginia, 2022Every frost advisory in 2022
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.