Alert archive / North Carolina / Wind Chill Warnings in 2022

Wind Chill Warning 1, NWS Greenville-Spartanburg, SC

December 22, 202213 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind chill warning at Dec 22, 2022, 3:51 AM EST for 13 counties in North Carolina. It took effect at Dec 23, 2022, 1:00 AM EST. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 22, 2022, 3:51 AM EST (08:51 UTC)
In effect from
Dec 23, 2022, 1:00 AM EST
Expired
Dec 23, 2022, 2:59 AM EST
In force
119 min
Issued by
NWS Greenville-Spartanburg, SC

Counties Avery County, NC, Buncombe County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC

The radar

The Knoxville radar (KMRX), 88 km from the middle of the area, began a volume at 08:51 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, 8.9 hours before the alert went out and 343 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, Roanoke, VA at 00:00Z on 2022-12-22Temperature 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, Roanoke, VA at 00:00Z on 2022-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.1939587897117Sfc1 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
2074 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
284 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 wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this wind chill warning went out at Dec 22, 1:09 AM EST, 2 hours 42 minutes earlier.

Area forecast discussion, Dec 22, 1:09 AM EST, 2 hours 42 minutes before
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Hazardous weather outlook, Dec 21, 9:50 PM EST, 6 hours 1 minute before
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
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The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 22, 3:41 AM ESTWind AdvisoryGSPAlexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more47 hr
Dec 22, 3:51 AM ESTWind Chill AdvisoryGSPAlexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more3 days
Dec 22, 1:14 PM ESTHigh Wind WarningGSPAvery, Buncombe, Burke, Caldwell, McDowell, Mitchell and 1 more30 hr
Dec 22, 4:27 PM ESTAreal Flood AdvisoryGSPRowan11 hr
Dec 22, 4:31 PM ESTAreal Flood AdvisoryGSPCabarrus8 hr

Nearby

Wind Chill Warnings in North Carolina, 2022Every wind chill warning 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.