Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Greenville-Spartanburg, SC

April 28, 2011Burke County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Apr 28, 2011, 5:51 AM EDT for Burke County, North Carolina. It was in force for 24 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: Apr 28, 2011, 5:51 AM EDT (09:51 UTC)
Expired: Apr 28, 2011, 6:15 AM EDT
In force: 24 min
Issued by: NWS Greenville-Spartanburg, SC

County Burke County, NC

The radar

The Greer radar (KGSP), 114 km from the middle of the area, began a volume at 09:51 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, 9.9 hours before the alert went out and 167 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: 2272 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 766 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 233 m²/s²
0-3 km storm-relative helicity: 271 m²/s²
Significant tornado parameter: 3.5
Supercell composite: 14.4

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 Apr 28, 5:09 AM EDT, 42 minutes earlier.

Area forecast discussion, Apr 28, 5:09 AM EDT, 42 minutes before

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Hazardous weather outlook, Apr 28, 4:51 AM EDT, 1 hour before

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In the hours before

Local storm report, Apr 28, 3:37 AM EDT, 2 hours 14 minutes before

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Local storm report, Apr 28, 3:44 AM EDT, 2 hours 7 minutes before

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Local storm report, Apr 28, 4:09 AM EDT, 1 hour 42 minutes before

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Local storm report, Apr 28, 5:11 AM EDT, 40 minutes before

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Special weather statement, Apr 28, 5:26 AM EDT, 25 minutes before

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Special weather statement, Apr 28, 5:51 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
Apr 27, 10:43 PM EDT	Tornado Warning	GSP	Macon	47 min
Apr 27, 11:22 PM EDT	Tornado Warning	GSP	Haywood, Jackson, Macon, Transylvania	38 min
Apr 28, 12:04 AM EDT	Tornado Warning	GSP	Jackson, Macon	41 min
Apr 28, 12:41 AM EDT	Tornado Warning	GSP	Haywood, Jackson, Macon, Transylvania	34 min
Apr 28, 12:54 AM EDT	Tornado Warning	GSP	Jackson, Macon, Transylvania	51 min
Apr 28, 1:17 AM EDT	Special Weather Statement	GSP	Buncombe, Burke, McDowell	43 min
Apr 28, 1:31 AM EDT	Tornado Warning	GSP	Henderson, Transylvania	44 min
Apr 28, 2:03 AM EDT	Tornado Warning	GSP	Buncombe, Henderson, Polk, Rutherford	42 min
Apr 28, 2:26 AM EDT	Tornado Warning	GSP	Buncombe, Burke, Henderson, McDowell, Polk, Rutherford	49 min
Apr 28, 2:56 AM EDT	Tornado Warning	GSP	Alexander, Burke, Caldwell, Catawba, McDowell	64 min
Apr 28, 5:26 AM EDT	Special Weather Statement	GSP	Caldwell	34 min
Apr 28, 5:55 AM EDT	Special Weather Statement	GSP	Burke	35 min
Apr 28, 6:04 AM EDT	Severe Thunderstorm Warning	GSP	Alexander, Burke, Caldwell, Catawba	29 min
Apr 28, 12:21 AM EDT	Tornado Warning	GSP	Oconee	39 min
Apr 28, 2:06 AM EDT	Special Weather Statement	GSP	Abbeville	39 min
Apr 28, 2:29 AM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood	46 min
Apr 28, 3:09 AM EDT	Severe Thunderstorm Warning	GSP	Greenwood, Laurens	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.