Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

January 26, 2021Swain County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jan 26, 2021, 12:22 AM EST for Swain County, North Carolina. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jan 26, 2021, 12:22 AM EST (05:22 UTC)
Expired: Jan 26, 2021, 1:00 AM EST
In force: 38 min
Issued by: NWS Greenville-Spartanburg, SC

County Swain County, NC

The radar

The Knoxville radar (KMRX), 65 km from the middle of the area, began a volume at 05:25 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.4 hours before the alert went out and 265 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: 1306 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 221 m²/s²
0-3 km storm-relative helicity: 323 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jan 25, 10:22 PM EST, 2 hours earlier.

Area forecast discussion, Jan 25, 10:22 PM EST, 2 hours before

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Hazardous weather outlook, Jan 25, 9:50 PM EST, 2 hours 32 minutes before

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In the hours before

Special weather statement, Jan 25, 9:59 PM EST, 2 hours 23 minutes before

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Special weather statement, Jan 25, 10:30 PM EST, 1 hour 52 minutes before

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Special weather statement, Jan 25, 10:58 PM EST, 1 hour 24 minutes before

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Special weather statement, Jan 26, 12:00 AM EST, 22 minutes before

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Special weather statement, Jan 26, 12:20 AM EST, 2 minutes before

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Special weather statement, Jan 26, 12:22 AM EST, 0 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 25, 9:29 PM EST	Special Weather Statement	GSP	Graham, Swain	31 min
Jan 25, 9:33 PM EST	Special Weather Statement	GSP	Jackson	27 min
Jan 25, 9:59 PM EST	Special Weather Statement	GSP	Haywood	31 min
Jan 25, 10:30 PM EST	Special Weather Statement	GSP	Yancey	30 min
Jan 25, 10:58 PM EST	Special Weather Statement	GSP	Avery, Yancey	32 min
Jan 26, 12:00 AM EST	Special Weather Statement	GSP	Graham	30 min
Jan 26, 12:37 AM EST	Special Weather Statement	GSP	Haywood	38 min
Jan 26, 1:29 AM EST	Special Weather Statement	GSP	Polk	31 min
Jan 26, 2:41 AM EST	Special Weather Statement	GSP	Cabarrus, Cleveland, Gaston, Lincoln, Mecklenburg, Polk and 2 more	49 min
Jan 26, 3:32 AM EST	Special Weather Statement	GSP	Cabarrus, Mecklenburg	28 min
Jan 26, 6:41 PM EST	Dense Fog Advisory	GSP	Alexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 10 more	9 hr
Jan 26, 12:44 AM EST	Special Weather Statement	GSP	Oconee, Pickens	31 min
Jan 26, 1:03 AM EST	Special Weather Statement	GSP	Greenville, Pickens	27 min
Jan 26, 1:55 AM EST	Special Weather Statement	GSP	Cherokee	35 min
Jan 26, 12:20 AM EST	Special Weather Statement	GSP	Habersham, Rabun	25 min
Jan 26, 3:46 AM EST	Special Weather Statement	GSP	Franklin	29 min
Jan 26, 4:05 AM EST	Special Weather Statement	GSP	Hart	25 min

Nearby

Special Weather Statements in North Carolina, 2021 Every special weather statement 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.