Alert archive / North Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 1, NWS Greenville-Spartanburg, SC

February 12, 2019Cabarrus County, Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Feb 12, 2019, 5:31 PM EST for Cabarrus County, Union County, North Carolina. It was in force for 29 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: Feb 12, 2019, 5:31 PM EST (22:31 UTC)
Expired: Feb 12, 2019, 6:00 PM EST
In force: 29 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cabarrus County, NC, Union County, NC

The radar

The Columbia radar (KCAE), 148 km from the middle of the area, began a volume at 22:34 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.5 hours before the alert went out and 115 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: 525 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 707 m²/s²
0-3 km storm-relative helicity: 789 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 severe thunderstorm 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 severe thunderstorm warning went out at Feb 12, 2:44 PM EST, 2 hours 47 minutes earlier.

Area forecast discussion, Feb 12, 2:44 PM EST, 2 hours 47 minutes before

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Hazardous weather outlook, Feb 12, 6:00 AM EST, 11 hours 31 minutes before

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In the hours before

Special weather statement, Feb 12, 2:13 PM EST, 3 hours 18 minutes before

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Special weather statement, Feb 12, 3:00 PM EST, 2 hours 31 minutes before

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Special weather statement, Feb 12, 3:03 PM EST, 2 hours 28 minutes before

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Special weather statement, Feb 12, 3:45 PM EST, 1 hour 46 minutes before

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Special weather statement, Feb 12, 4:27 PM EST, 1 hour 4 minutes before

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Special weather statement, Feb 12, 5:13 PM EST, 18 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
Feb 12, 3:45 AM EST	High Wind Warning	GSP	Avery, Mitchell, Yancey	38 hr
Feb 12, 3:45 AM EST	Wind Advisory	GSP	Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more	38 hr
Feb 12, 12:45 PM EST	Special Weather Statement	GSP	Haywood, Macon, Swain	60 min
Feb 12, 1:36 PM EST	Special Weather Statement	GSP	Macon, Transylvania	54 min
Feb 12, 4:27 PM EST	Special Weather Statement	GSP	Gaston, Mecklenburg	48 min
Feb 12, 5:13 PM EST	Special Weather Statement	GSP	Cabarrus, Mecklenburg, Union	47 min
Feb 12, 3:45 AM EST	Dense Fog Advisory	GSP	Abbeville, Greenwood, Laurens	6 hr
Feb 12, 2:13 PM EST	Special Weather Statement	GSP	Anderson, Oconee, Pickens	62 min
Feb 12, 3:00 PM EST	Special Weather Statement	GSP	Abbeville	45 min
Feb 12, 3:03 PM EST	Special Weather Statement	GSP	Anderson, Greenville, Pickens	42 min
Feb 12, 3:45 PM EST	Special Weather Statement	GSP	Greenwood, Laurens, Union	30 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2019 Every severe thunderstorm warning in 2019

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.