Alert archive / North Carolina / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 199, NWS Greenville-Spartanburg, SC

June 11, 20097 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 11, 2009, 6:07 PM EDT for 7 counties in North Carolina. It was in force for 68 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 11, 2009, 6:07 PM EDT (22:07 UTC)
Expired: Jun 11, 2009, 7:15 PM EDT
In force: 68 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Alexander County, NC, Cabarrus County, NC, Catawba County, NC, Davie County, NC, Iredell County, NC, Lincoln County, NC, Rowan County, NC

The radar

The Greer radar (KGSP), 152 km from the middle of the area, began a volume at 22:07 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 11, 3:47 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 10.1 hours before the alert went out and 208 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: 58 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 674 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 27 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 11, 5:33 PM EDT, 34 minutes earlier.

Area forecast discussion, Jun 11, 5:33 PM EDT, 34 minutes before

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Hazardous weather outlook, Jun 11, 5:41 PM EDT, 26 minutes before

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In the hours before

Local storm report, Jun 11, 5:26 PM EDT, 41 minutes before

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Local storm report, Jun 11, 5:28 PM EDT, 39 minutes before

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Local storm report, Jun 11, 5:48 PM EDT, 19 minutes before

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Local storm report, Jun 11, 5:50 PM EDT, 17 minutes before

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Local storm report, Jun 11, 5:59 PM EDT, 8 minutes before

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Local storm report, Jun 11, 6:04 PM EDT, 3 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 10, 8:23 PM EDT	Severe Thunderstorm Warning	GSP	Union	29 min
Jun 10, 8:31 PM EDT	Flash Flood Warning	GSP	Union	3 hr
Jun 10, 8:35 PM EDT	Severe Thunderstorm Warning	GSP	Davie	40 min
Jun 11, 2:03 PM EDT	Severe Thunderstorm Warning	GSP	Graham, Haywood, Jackson, Macon, Swain, Transylvania	87 min
Jun 11, 2:35 PM EDT	Severe Thunderstorm Warning	GSP	Polk	55 min
Jun 11, 2:43 PM EDT	Severe Thunderstorm Warning	GSP	Macon	62 min
Jun 11, 2:54 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Henderson, Polk, Rutherford	66 min
Jun 11, 3:07 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Burke, McDowell	68 min
Jun 11, 3:25 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Henderson, Jackson, Macon, Madison and 4 more	65 min
Jun 11, 3:27 PM EDT	Severe Thunderstorm Warning	GSP	Polk, Rutherford	63 min
Jun 11, 4:05 PM EDT	Severe Thunderstorm Warning	GSP	Avery, Burke, Caldwell, McDowell, Mitchell, Yancey	70 min
Jun 11, 4:15 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell	60 min
Jun 11, 4:23 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk, Rutherford, Transylvania	67 min
Jun 11, 4:26 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Burke, Caldwell, Cleveland, Haywood, Henderson and 7 more	64 min
Jun 11, 4:35 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	55 min
Jun 11, 5:00 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Mecklenburg, Polk, Rutherford	60 min
Jun 11, 5:11 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Avery, Burke, Caldwell, Catawba, Cleveland and 7 more	64 min
Jun 11, 5:23 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Rowan	52 min
Jun 11, 5:40 PM EDT	Areal Flood Advisory	GSP	Rowan	50 min
Jun 11, 5:53 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Cleveland, Gaston, Lincoln, Mecklenburg, Union	82 min
Jun 11, 7:11 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Davie, Iredell, Rowan	49 min
Jun 11, 3:00 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	60 min
Jun 11, 3:29 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Oconee, Pickens	61 min
Jun 11, 3:33 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg, Union	72 min
Jun 11, 4:06 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	54 min
Jun 11, 4:23 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	67 min
Jun 11, 4:28 PM EDT	Severe Thunderstorm Warning	GSP	Chester	26 min
Jun 11, 4:30 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson, Greenville, Greenwood, Laurens, Oconee and 1 more	60 min
Jun 11, 5:24 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood, Laurens, Union	66 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2009 Every severe thunderstorm warning in 2009

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.