Alert archive / North Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 320, NWS Greenville-Spartanburg, SC

July 22, 2008Cabarrus County, Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 22, 2008, 5:15 PM EDT for Cabarrus County, Rowan County, North Carolina. It was in force for 60 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 22, 2008, 5:15 PM EDT (21:15 UTC)
Expired: Jul 22, 2008, 6:15 PM EDT
In force: 60 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Cabarrus County, NC, Rowan County, NC

The radar

The Greer radar (KGSP), 168 km from the middle of the area, began a volume at 21:16 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
Jul 22, 3:57 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.3 hours before the alert went out and 85 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: 613 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 1837 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: 7 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 Jul 22, 4:35 PM EDT, 40 minutes earlier.

Area forecast discussion, Jul 22, 4:35 PM EDT, 40 minutes before

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Hazardous weather outlook, Jul 22, 4:34 PM EDT, 41 minutes before

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In the hours before

Special weather statement, Jul 22, 3:54 PM EDT, 1 hour 21 minutes before

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Special weather statement, Jul 22, 4:16 PM EDT, 59 minutes before

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Special weather statement, Jul 22, 4:28 PM EDT, 47 minutes before

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Special weather statement, Jul 22, 4:38 PM EDT, 37 minutes before

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Local storm report, Jul 22, 4:51 PM EDT, 24 minutes before

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Special weather statement, Jul 22, 5:03 PM EDT, 12 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
Jul 22, 3:30 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood	48 min
Jul 22, 3:40 PM EDT	Severe Thunderstorm Warning	GSP	Graham	65 min
Jul 22, 3:42 PM EDT	Severe Thunderstorm Warning	GSP	Union	19 min
Jul 22, 5:52 PM EDT	Severe Thunderstorm Warning	GSP	Davie	53 min
Jul 22, 6:08 PM EDT	Severe Thunderstorm Warning	GSP	Graham, Macon, Swain	86 min
Jul 22, 6:13 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Rutherford	62 min
Jul 22, 6:28 PM EDT	Areal Flood Advisory	GSP	Cabarrus, Rowan	2 hr
Jul 22, 6:38 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	13 min
Jul 22, 6:52 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba	53 min
Jul 22, 7:24 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	33 min
Jul 22, 7:27 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln	39 min
Jul 22, 7:50 PM EDT	Severe Thunderstorm Warning	GSP	Iredell, Rowan	17 min
Jul 22, 7:54 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Lincoln	41 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.