Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 28, 20124 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 28, 2012, 3:33 AM EDT for 4 counties in North Carolina. It was in force for 57 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 28, 2012, 3:33 AM EDT (07:33 UTC)
Expired: Jul 28, 2012, 4:30 AM EDT
In force: 57 min
Issued by: NWS Greenville-Spartanburg, SC

Counties Graham County, NC, Haywood County, NC, Madison County, NC, Swain County, NC

The radar

The Knoxville radar (KMRX), 66 km from the middle of the area, began a volume at 07:32 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.6 hours before the alert went out and 272 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: 605 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1100 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 62 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 28, 2:41 AM EDT, 52 minutes earlier.

Area forecast discussion, Jul 28, 2:41 AM EDT, 52 minutes before

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Hazardous weather outlook, Jul 27, 11:22 PM EDT, 4 hours 11 minutes before

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In the hours before

Special weather statement, Jul 27, 9:51 PM EDT, 5 hours 42 minutes before

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Special weather statement, Jul 27, 10:50 PM EDT, 4 hours 43 minutes before

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Local storm report, Jul 27, 11:59 PM EDT, 3 hours 34 minutes before

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Special weather statement, Jul 28, 1:04 AM EDT, 2 hours 29 minutes before

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Special weather statement, Jul 28, 3:33 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 28, 3:11 PM EDT	Special Weather Statement	GSP	Burke	34 min
Jul 28, 3:37 PM EDT	Special Weather Statement	GSP	Polk	38 min
Jul 28, 3:59 PM EDT	Special Weather Statement	GSP	Cleveland	46 min
Jul 28, 3:59 PM EDT	Severe Thunderstorm Warning	GSP	Polk	46 min
Jul 28, 4:08 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba, Cleveland, Gaston, Lincoln	45 min
Jul 28, 4:51 PM EDT	Special Weather Statement	GSP	Gaston, Lincoln	39 min
Jul 28, 5:16 PM EDT	Special Weather Statement	GSP	Alexander, Iredell	44 min
Jul 28, 7:08 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Rowan	35 min
Jul 27, 8:20 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood	55 min
Jul 27, 9:13 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	47 min
Jul 27, 9:51 PM EDT	Special Weather Statement	GSP	Spartanburg	39 min
Jul 27, 10:50 PM EDT	Special Weather Statement	GSP	Spartanburg	40 min
Jul 28, 1:04 AM EDT	Special Weather Statement	GSP	Chester	26 min
Jul 28, 6:02 PM EDT	Special Weather Statement	GSP	Spartanburg	28 min
Jul 28, 7:31 PM EDT	Special Weather Statement	GSP	Chester	44 min

Nearby

Special Weather Statements in North Carolina, 2012 Every special weather statement in 2012

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.