Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 177, NWS Greenville-Spartanburg, SC

July 10, 20204 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 10, 2020, 4:11 PM EDT for 4 counties in North Carolina. It was in force for 23 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: Jul 10, 2020, 4:11 PM EDT (20:11 UTC)
Expired: Jul 10, 2020, 4:34 PM EDT
In force: 23 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Buncombe County, NC, Haywood County, NC, Henderson County, NC, Transylvania County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.2 hours before the alert went out and 263 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: 207 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1030 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: 19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 2:37 PM EDT	Special Weather Statement	GSP	Caldwell	23 min
Jul 10, 3:53 PM EDT	Special Weather Statement	GSP	Henderson	37 min
Jul 10, 3:57 PM EDT	Special Weather Statement	GSP	Catawba	33 min
Jul 10, 4:48 PM EDT	Special Weather Statement	GSP	Henderson	27 min
Jul 10, 4:56 PM EDT	Special Weather Statement	GSP	Buncombe	34 min
Jul 10, 5:35 PM EDT	Special Weather Statement	GSP	Burke	25 min
Jul 10, 5:47 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Rutherford	28 min
Jul 10, 6:08 PM EDT	Special Weather Statement	GSP	Burke	37 min
Jul 10, 6:33 PM EDT	Special Weather Statement	GSP	Lincoln	27 min
Jul 10, 6:46 PM EDT	Areal Flood Advisory	GSP	Burke	119 min
Jul 10, 7:20 PM EDT	Special Weather Statement	GSP	Iredell	25 min
Jul 10, 7:32 PM EDT	Special Weather Statement	GSP	Gaston	28 min
Jul 10, 7:43 PM EDT	Special Weather Statement	GSP	Davie, Iredell, Rowan	32 min
Jul 10, 7:57 PM EDT	Special Weather Statement	GSP	Mecklenburg	33 min
Jul 10, 4:01 PM EDT	Special Weather Statement	GSP	Pickens	29 min
Jul 10, 4:28 PM EDT	Special Weather Statement	GSP	Oconee	32 min
Jul 10, 4:46 PM EDT	Special Weather Statement	GSP	Oconee	29 min
Jul 10, 5:14 PM EDT	Special Weather Statement	GSP	Anderson	31 min
Jul 10, 5:51 PM EDT	Special Weather Statement	GSP	Spartanburg	24 min
Jul 10, 5:57 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	21 min
Jul 10, 6:17 PM EDT	Special Weather Statement	GSP	Spartanburg	28 min
Jul 10, 6:25 PM EDT	Special Weather Statement	GSP	Laurens	35 min
Jul 10, 6:40 PM EDT	Special Weather Statement	GSP	Cherokee, Spartanburg	35 min
Jul 10, 6:51 PM EDT	Special Weather Statement	GSP	Laurens	24 min
Jul 10, 7:06 PM EDT	Special Weather Statement	GSP	Union	24 min
Jul 10, 7:09 PM EDT	Special Weather Statement	GSP	Cherokee	36 min
Jul 10, 7:13 PM EDT	Special Weather Statement	GSP	Greenwood	32 min
Jul 10, 7:38 PM EDT	Special Weather Statement	GSP	York	37 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2020 Every severe thunderstorm warning in 2020

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.