Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 31, 2011Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 31, 2011, 12:02 AM EDT for Mecklenburg County, North Carolina. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 31, 2011, 12:02 AM EDT (04:02 UTC)
Expired: Jul 31, 2011, 12:30 AM EDT
In force: 28 min
Issued by: NWS Greenville-Spartanburg, SC

County Mecklenburg County, NC

The radar

The Greer radar (KGSP), 126 km from the middle of the area, began a volume at 04:04 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, 4.0 hours before the alert went out and 135 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: 635 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1928 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: -12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 30, 10:22 PM EDT, 1 hour 40 minutes earlier.

Area forecast discussion, Jul 30, 10:22 PM EDT, 1 hour 40 minutes before

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Hazardous weather outlook, Jul 30, 4:35 PM EDT, 7 hours 27 minutes before

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In the hours before

Local storm report, Jul 30, 9:50 PM EDT, 2 hours 12 minutes before

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Special weather statement, Jul 30, 11:10 PM EDT, 52 minutes before

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Special weather statement, Jul 31, 12:02 AM EDT, 0 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 30, 8:55 PM EDT	Areal Flood Advisory	GSP	Madison	95 min
Jul 30, 11:10 PM EDT	Special Weather Statement	GSP	Mecklenburg	35 min
Jul 31, 12:31 AM EDT	Special Weather Statement	GSP	Mecklenburg	29 min
Jul 31, 12:59 AM EDT	Areal Flood Advisory	GSP	Mecklenburg	2 hr
Jul 31, 1:06 AM EDT	Flash Flood Warning	GSP	Mecklenburg	107 min
Jul 31, 1:53 AM EDT	Areal Flood Advisory	GSP	Cabarrus	95 min
Jul 31, 2:52 PM EDT	Special Weather Statement	GSP	McDowell	38 min
Jul 31, 3:24 PM EDT	Areal Flood Advisory	GSP	Haywood	2 hr
Jul 31, 3:38 PM EDT	Special Weather Statement	GSP	Catawba	37 min
Jul 31, 5:00 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Rowan	60 min
Jul 31, 5:36 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	39 min
Jul 31, 6:36 PM EDT	Special Weather Statement	GSP	Mecklenburg	24 min
Jul 31, 6:51 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba	54 min
Jul 31, 7:12 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Lincoln	63 min
Jul 31, 7:35 PM EDT	Special Weather Statement	GSP	Union	40 min
Jul 31, 7:45 PM EDT	Special Weather Statement	GSP	Rutherford	45 min
Jul 31, 7:59 PM EDT	Severe Thunderstorm Warning	GSP	Polk, Rutherford	61 min
Jul 31, 3:26 PM EDT	Special Weather Statement	GSP	Anderson	34 min
Jul 31, 4:26 PM EDT	Special Weather Statement	GSP	Abbeville	34 min
Jul 31, 5:05 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	55 min
Jul 31, 5:12 PM EDT	Special Weather Statement	GSP	Abbeville	48 min
Jul 31, 5:13 PM EDT	Special Weather Statement	GSP	Laurens	32 min
Jul 31, 5:26 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	64 min
Jul 31, 5:45 PM EDT	Special Weather Statement	GSP	Union	45 min
Jul 31, 6:05 PM EDT	Severe Thunderstorm Warning	GSP	Union	55 min
Jul 31, 3:09 PM EDT	Severe Thunderstorm Warning	GSP	Habersham, Stephens	40 min
Jul 31, 3:54 PM EDT	Special Weather Statement	GSP	Elbert	36 min

Nearby

Special Weather Statements in North Carolina, 2011 Every special weather statement in 2011

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.