Alert archive / North Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 233, NWS Greenville-Spartanburg, SC

June 28, 20084 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 28, 2008, 9:49 PM EDT for 4 counties in North Carolina. It was in force for 56 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: Jun 28, 2008, 9:49 PM EDT (01:49 UTC)
Expired: Jun 28, 2008, 10:45 PM EDT
In force: 56 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Avery County, NC, McDowell County, NC, Mitchell County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 115 km from the middle of the area, began a volume at 01:48 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

Roanoke, VA (KRNK), launched 00:00Z, 1.8 hours before the alert went out and 273 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: 471 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1723 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 57 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 Jun 28, 7:38 PM EDT, 2 hours 11 minutes earlier.

Area forecast discussion, Jun 28, 7:38 PM EDT, 2 hours 11 minutes before

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Hazardous weather outlook, Jun 28, 4:49 AM EDT, 17 hours before

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In the hours before

Local storm report, Jun 28, 7:18 PM EDT, 2 hours 31 minutes before

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Special weather statement, Jun 28, 8:00 PM EDT, 1 hour 49 minutes before

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Local storm report, Jun 28, 8:20 PM EDT, 1 hour 29 minutes before

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Local storm report, Jun 28, 8:33 PM EDT, 1 hour 16 minutes before

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Local storm report, Jun 28, 8:52 PM EDT, 57 minutes before

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Special weather statement, Jun 28, 9:40 PM EDT, 9 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
Jun 28, 8:27 PM EDT	Severe Thunderstorm Warning	GSP	Haywood, Jackson, Macon	63 min
Jun 28, 8:55 PM EDT	Severe Thunderstorm Warning	GSP	Madison	65 min
Jun 29, 6:16 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell, Rowan	47 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2008 Every severe thunderstorm warning in 2008

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.