Alert archive / North Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 112, NWS Greenville-Spartanburg, SC

May 28, 2010Jackson County, Transylvania County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 28, 2010, 9:44 PM EDT for Jackson County, Transylvania County, North Carolina. It was in force for 61 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: May 28, 2010, 9:44 PM EDT (01:44 UTC)
Expired: May 28, 2010, 10:45 PM EDT
In force: 61 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Jackson County, NC, Transylvania County, NC

The radar

The Greer radar (KGSP), 79 km from the middle of the area, began a volume at 01:46 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 00:00Z, 1.7 hours before the alert went out and 292 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: 1986 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1084 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 34 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 May 28, 2:45 PM EDT, 6 hours 59 minutes earlier.

Area forecast discussion, May 28, 2:45 PM EDT, 6 hours 59 minutes before

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Hazardous weather outlook, May 28, 3:31 PM EDT, 6 hours 13 minutes before

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In the hours before

Special weather statement, May 28, 7:14 PM EDT, 2 hours 30 minutes before

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Local storm report, May 28, 7:22 PM EDT, 2 hours 22 minutes before

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Special weather statement, May 28, 7:29 PM EDT, 2 hours 15 minutes before

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Local storm report, May 28, 7:46 PM EDT, 1 hour 58 minutes before

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Local storm report, May 28, 7:51 PM EDT, 1 hour 53 minutes before

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Local storm report, May 28, 7:55 PM EDT, 1 hour 49 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
May 29, 1:36 PM EDT	Special Weather Statement	GSP	Haywood	39 min
May 28, 8:01 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	59 min
May 28, 8:58 PM EDT	Special Weather Statement	GSP	Pickens	47 min
May 28, 9:23 PM EDT	Severe Thunderstorm Warning	GSP	Oconee, Pickens	67 min
May 28, 9:59 PM EDT	Special Weather Statement	GSP	Union	46 min
May 29, 5:47 PM EDT	Special Weather Statement	GSP	Chester, Union	43 min
May 29, 6:09 PM EDT	Severe Thunderstorm Warning	GSP	Chester, Union	27 min
May 28, 10:55 PM EDT	Special Weather Statement	GSP	Habersham, Rabun, Stephens	50 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2010 Every severe thunderstorm warning in 2010

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.