Alert archive / Ohio / Freezing Rain Advisories in 2011

Freezing Rain Advisory 2, NWS Charleston, WV

January 31, 20118 counties in West Virginia; 9 counties in Ohio; Greenup County, Kentucky

NWS Charleston, WV issued this freezing rain advisory at Jan 31, 2011, 3:41 PM EST for 8 counties in West Virginia; 9 counties in Ohio; Greenup County, Kentucky. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Jan 31, 2011, 3:41 PM EST (20:41 UTC)
Expired
Feb 1, 2011, 12:00 PM EST
In force
20 hr
Issued by
NWS Charleston, WV

Counties Greenup County, KY, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Barbour County, WV, Doddridge County, WV, Harrison County, WV, Pleasants County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 99 km from the middle of the area, began a volume at 20:44 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, 8.7 hours before the alert went out and 182 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, Pittsburgh, PA at 12:00Z on 2011-01-31Temperature 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, Pittsburgh, PA at 12:00Z on 2011-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -109 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1253 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-109 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 9:38 AM ESTFreezing Rain AdvisoryRLXCabell, Wayne3 hr

Nearby

Freezing Rain Advisories in Ohio, 2011Freezing Rain Advisories in West Virginia, 2011Freezing Rain Advisories in Kentucky, 2011Every freezing rain advisory in 2011

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.