Alert archive / North Carolina / Winter Storm Warnings in 2022

Winter Storm Warning 1, NWS Greenville-Spartanburg, SC

January 2, 202210 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this winter storm warning at Jan 2, 2022, 4:23 AM EST for 10 counties in North Carolina. It took effect at Jan 2, 2022, 10:00 PM EST. It was in force for 14 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: Jan 2, 2022, 4:23 AM EST (09:23 UTC)
In effect from: Jan 2, 2022, 10:00 PM EST
Expired: Jan 3, 2022, 12:00 PM EST
In force: 14 hr
Issued by: NWS Greenville-Spartanburg, SC

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

The radar

The Knoxville radar (KMRX), 78 km from the middle of the area, began a volume at 09:23 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

Nashville Metro, TN (KBNA), launched 00:00Z, 9.4 hours before the alert went out and 342 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: 702 m above ground
0-6 km bulk shear: 89 kt
0-1 km storm-relative helicity: -302 m²/s²
0-3 km storm-relative helicity: -54 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 storm 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 winter storm warning went out at Jan 2, 4:19 AM EST, 4 minutes earlier.

Area forecast discussion, Jan 2, 4:19 AM EST, 4 minutes before

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Hazardous weather outlook, Jan 1, 8:06 PM EST, 8 hours 17 minutes before

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In the hours before

Special weather statement, Jan 1, 11:32 PM EST, 4 hours 51 minutes before

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Special weather statement, Jan 2, 2:37 AM EST, 1 hour 46 minutes before

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Special weather statement, Jan 2, 2:52 AM EST, 1 hour 31 minutes before

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Special weather statement, Jan 2, 3:42 AM EST, 41 minutes before

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Special weather statement, Jan 2, 4:13 AM EST, 10 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 1, 7:10 PM EST	Special Weather Statement	GSP	Cleveland	35 min
Jan 1, 11:32 PM EST	Special Weather Statement	GSP	Graham, Swain	58 min
Jan 2, 2:37 AM EST	Special Weather Statement	GSP	Macon	23 min
Jan 2, 4:23 AM EST	Winter Weather Advisory	GSP	Burke, Caldwell, Graham, Henderson, Jackson, McDowell and 5 more	32 hr
Jan 2, 4:33 AM EST	Special Weather Statement	GSP	Cleveland	27 min
Jan 2, 6:25 AM EST	Special Weather Statement	GSP	Union	35 min
Jan 2, 6:56 AM EST	Special Weather Statement	GSP	Union	49 min
Jan 2, 3:42 AM EST	Special Weather Statement	GSP	Oconee	33 min
Jan 2, 4:13 AM EST	Special Weather Statement	GSP	Greenville, Pickens	32 min
Jan 2, 5:04 AM EST	Special Weather Statement	GSP	Cherokee, Spartanburg	26 min
Jan 2, 5:05 AM EST	Special Weather Statement	GSP	Greenville	25 min
Jan 2, 5:29 AM EST	Special Weather Statement	GSP	Anderson	31 min
Jan 2, 5:57 AM EST	Special Weather Statement	GSP	Abbeville, Greenwood, Laurens, Union	33 min
Jan 2, 6:28 AM EST	Special Weather Statement	GSP	Greenwood	47 min
Jan 2, 7:31 AM EST	Special Weather Statement	GSP	Greenwood	29 min
Jan 2, 3:29 PM EST	Wind Advisory	GSP		7 hr
Jan 2, 2:52 AM EST	Special Weather Statement	GSP	Rabun	23 min
Jan 2, 4:34 AM EST	Special Weather Statement	GSP	Franklin	26 min

Nearby

Winter Storm Warnings in North Carolina, 2022 Every winter storm 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.