Alert archive / Ohio / Winter Weather Advisories in 2021

Winter Weather Advisory 6, NWS Charleston, WV

January 24, 20219 counties in Ohio; Boyd County, Carter County, Greenup County, Kentucky

NWS Charleston, WV issued this winter weather advisory at Jan 24, 2021, 6:37 PM EST for 9 counties in Ohio; Boyd County, Carter County, Greenup County, Kentucky. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jan 24, 2021, 6:37 PM EST (23:37 UTC)
Expired: Jan 25, 2021, 12:00 AM EST
In force: 5 hr
Issued by: NWS Charleston, WV

Counties Boyd County, KY, Carter County, KY, 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

The radar

The Charleston,WV radar (KRLX), 95 km from the middle of the area, began a volume at 23:40 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, 11.6 hours before the alert went out and 248 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: 929 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: 60 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 winter weather advisory 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 winter weather advisory went out at Jan 24, 2:45 PM EST, 3 hours 52 minutes earlier.

Area forecast discussion, Jan 24, 2:45 PM EST, 3 hours 52 minutes before

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Hazardous weather outlook, Jan 24, 5:21 AM EST, 13 hours 16 minutes before

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In the hours before

Special weather statement, Jan 24, 1:54 PM EST, 4 hours 43 minutes before

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Special weather statement, Jan 24, 4:46 PM EST, 1 hour 51 minutes before

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Special weather statement, Jan 24, 5:03 PM EST, 1 hour 34 minutes before

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Special weather statement, Jan 24, 5:06 PM EST, 1 hour 31 minutes before

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Special weather statement, Jan 24, 5:49 PM EST, 48 minutes before

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Nearby

Winter Weather Advisories in Ohio, 2021 Winter Weather Advisories in Kentucky, 2021 Every winter weather advisory in 2021

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.