Alert archive / West Virginia / Freeze Warnings in 2019

Freeze Warning 1, NWS Charleston, WV

March 31, 20198 counties in West Virginia; Lawrence County, Ohio; Boyd County, Lawrence County, Kentucky

NWS Charleston, WV issued this freeze warning at Mar 31, 2019, 3:29 AM EDT for 8 counties in West Virginia; Lawrence County, Ohio; Boyd County, Lawrence County, Kentucky. It took effect at Mar 31, 2019, 11:00 PM EDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 31, 2019, 3:29 AM EDT (07:29 UTC)
In effect from
Mar 31, 2019, 11:00 PM EDT
Expired
Apr 1, 2019, 10:00 AM EDT
In force
11 hr
Issued by
NWS Charleston, WV

Counties Boyd County, KY, Lawrence County, KY, Lawrence County, OH, Boone County, WV, Cabell County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mingo County, WV, Putnam County, WV, Wayne County, WV

The radar

The Charleston,WV radar (KRLX), 41 km from the middle of the area, began a volume at 07:29 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 00:00Z, 7.5 hours before the alert went out and 196 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 00:00Z on 2019-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 462 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, Cncnati-Daytn, OH at 00:00Z on 2019-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.19395878Sfc1 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
462 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.3

Open this sounding in Storm Lab

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 10:45 PM EDTSpecial Weather StatementRLXPerry30 min
Mar 30, 9:26 PM EDTSpecial Weather StatementRLXBoyd, Carter64 min

Nearby

Freeze Warnings in West Virginia, 2019Freeze Warnings in Kentucky, 2019Freeze Warnings in Ohio, 2019Every freeze warning in 2019

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.