Alert archive / North Carolina / Wind Advisories in 2010

Wind Advisory 15, NWS Greenville-Spartanburg, SC

December 13, 201017 counties in North Carolina; Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 13, 2010, 4:24 AM EST for 17 counties in North Carolina; Rabun County, Georgia. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued: Dec 13, 2010, 4:24 AM EST (09:24 UTC)
Expired: Dec 14, 2010, 6:00 PM EST
In force: 38 hr
Issued by: NWS Greenville-Spartanburg, SC

Counties Rabun County, GA, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 81 km from the middle of the area, began a volume at 09:21 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

Roanoke, VA (KRNK), launched 00:00Z, 9.4 hours before the alert went out and 332 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 779 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: -61 m²/s²
0-3 km storm-relative helicity: 106 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 wind advisory 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 wind advisory went out at Dec 13, 3:34 AM EST, 50 minutes earlier.

Area forecast discussion, Dec 13, 3:34 AM EST, 50 minutes before

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Hazardous weather outlook, Dec 12, 10:21 PM EST, 6 hours 3 minutes before

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In the hours before

Local storm report, Dec 13, 3:27 AM EST, 57 minutes before

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Local storm report, Dec 13, 3:31 AM EST, 53 minutes before

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Local storm report, Dec 13, 3:32 AM EST, 52 minutes before

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Local storm report, Dec 13, 3:33 AM EST, 51 minutes before

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Local storm report, Dec 13, 3:34 AM EST, 50 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
Dec 12, 10:08 PM EST	Wind Chill Advisory	GSP	Jackson, Transylvania	14 hr
Dec 13, 4:16 AM EST	Wind Chill Advisory	GSP	Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more	53 hr
Dec 13, 9:49 AM EST	High Wind Warning	GSP	Buncombe, Burke, Caldwell, Henderson, Jackson, McDowell and 2 more	18 hr

Nearby

Wind Advisories in North Carolina, 2010 Wind Advisories in Georgia, 2010 Wind Advisories in South Carolina, 2010 Every wind advisory in 2010

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.