Alert archive / West Virginia / Freeze Warnings in 2008

Freeze Warning 3, NWS Charleston, WV

April 15, 200815 counties in West Virginia; 9 counties in Ohio; 4 counties in Kentucky

NWS Charleston, WV issued this freeze warning at Apr 15, 2008, 4:23 AM EDT for 15 counties in West Virginia; 9 counties in Ohio; 4 counties in Kentucky. It took effect at Apr 16, 2008, 2:00 AM EDT. It was in force for 7 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: Apr 15, 2008, 4:23 AM EDT (08:23 UTC)
In effect from: Apr 16, 2008, 2:00 AM EDT
Expired: Apr 16, 2008, 9:00 AM EDT
In force: 7 hr
Issued by: NWS Charleston, WV

All 28 counties

Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence 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, Boone County, WV, Cabell County, WV, Clay County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Pleasants County, WV, Putnam County, WV, Roane County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 52 km from the middle of the area, began a volume at 08:21 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

Roanoke, VA (KRNK), launched 00:00Z, 8.4 hours before the alert went out and 279 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 697 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: -19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this freeze warning went out at Apr 14, 7:52 PM EDT, 8 hours 31 minutes earlier.

Area forecast discussion, Apr 14, 7:52 PM EDT, 8 hours 31 minutes before

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Hazardous weather outlook, Apr 14, 5:45 PM EDT, 10 hours 38 minutes before

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Nearby

Freeze Warnings in West Virginia, 2008 Freeze Warnings in Ohio, 2008 Freeze Warnings in Kentucky, 2008 Every freeze warning in 2008

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.