Alert archive / North Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 157, NWS Greenville-Spartanburg, SC

June 21, 2008Catawba County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 21, 2008, 8:34 PM EDT for Catawba County, 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 21, 2008, 8:34 PM EDT (00:34 UTC)
Expired: Jun 21, 2008, 9:30 PM EDT
In force: 56 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

County Catawba County, NC

The radar

The Greer radar (KGSP), 126 km from the middle of the area, began a volume at 00:37 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, 0.6 hours before the alert went out and 230 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: 226 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1572 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 21, 8:01 PM EDT, 33 minutes earlier.

Area forecast discussion, Jun 21, 8:01 PM EDT, 33 minutes before

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Hazardous weather outlook, Jun 21, 5:11 AM EDT, 15 hours 23 minutes before

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In the hours before

Special weather statement, Jun 21, 5:48 PM EDT, 2 hours 46 minutes before

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Special weather statement, Jun 21, 6:44 PM EDT, 1 hour 50 minutes before

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Special weather statement, Jun 21, 7:14 PM EDT, 1 hour 20 minutes before

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Special weather statement, Jun 21, 7:53 PM EDT, 41 minutes before

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Special weather statement, Jun 21, 8:09 PM EDT, 25 minutes before

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Local storm report, Jun 21, 8:10 PM EDT, 24 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 21, 8:12 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Iredell	48 min
Jun 22, 12:48 PM EDT	Severe Thunderstorm Warning	GSP	Avery, Mitchell, Yancey	40 min
Jun 22, 1:44 PM EDT	Severe Thunderstorm Warning	GSP	Caldwell	50 min
Jun 22, 2:25 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Henderson, Transylvania	19 min
Jun 22, 2:27 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Transylvania	43 min
Jun 22, 3:20 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Transylvania	55 min
Jun 22, 3:39 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell, Rutherford	42 min
Jun 22, 3:56 PM EDT	Severe Thunderstorm Warning	GSP	Macon	51 min
Jun 22, 4:12 PM EDT	Severe Thunderstorm Warning	GSP	Mitchell, Yancey	47 min
Jun 22, 4:26 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Catawba, Iredell	22 min
Jun 22, 5:15 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell	60 min
Jun 22, 5:32 PM EDT	Severe Thunderstorm Warning	GSP	Avery, Mitchell	12 min
Jun 22, 5:40 PM EDT	Areal Flood Advisory	GSP	Mitchell	2 hr
Jun 22, 6:11 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell	64 min
Jun 22, 6:15 PM EDT	Areal Flood Advisory	GSP	Catawba, Iredell	2 hr
Jun 22, 7:01 PM EDT	Flash Flood Warning	GSP	Catawba, Iredell	2 hr
Jun 22, 7:15 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	32 min
Jun 22, 7:22 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	53 min
Jun 22, 7:55 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln	65 min
Jun 22, 6:16 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg	59 min
Jun 22, 6:23 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	67 min
Jun 22, 7:22 PM EDT	Areal Flood Advisory	GSP	Anderson	53 min
Jun 22, 7:41 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	39 min
Jun 22, 7:48 PM EDT	Severe Thunderstorm Warning	GSP	York	57 min
Jun 22, 7:59 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	22 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.