Alert archive / North Carolina / Freezing Rain Advisories in 2012

Freezing Rain Advisory 2, NWS Greenville-Spartanburg, SC

December 26, 2012Avery County, Burke County, Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this freezing rain advisory at Dec 26, 2012, 8:04 AM EST for Avery County, Burke County, Caldwell County, North Carolina. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 26, 2012, 8:04 AM EST (13:04 UTC)
Expired
Dec 26, 2012, 12:00 PM EST
In force
4 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Avery County, NC, Burke County, NC, Caldwell County, NC

The radar

The Greer radar (KGSP), 124 km from the middle of the area, began a volume at 13:05 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 12:00Z, 1.1 hours before the alert went out and 165 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2012-12-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2012-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 673 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
590 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
673 m²/s²
0-3 km storm-relative helicity
1147 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 freezing rain 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 freezing rain advisory went out at Dec 26, 7:03 AM EST, 1 hour 1 minute earlier.

Area forecast discussion, Dec 26, 7:03 AM EST, 1 hour 1 minute before
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Hazardous weather outlook, Dec 26, 4:29 AM EST, 3 hours 35 minutes before
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In the hours before

Local storm report, Dec 26, 6:23 AM EST, 1 hour 41 minutes before
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The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 25, 10:27 PM ESTFlash Flood WatchGSPHenderson, Jackson, Macon, Transylvania14 hr
Dec 26, 4:11 AM ESTWinter Weather AdvisoryGSPAvery, Graham, Haywood, Madison, Mitchell, Swain and 1 more29 hr
Dec 26, 6:04 AM ESTAreal Flood AdvisoryGSPHenderson3 hr
Dec 26, 7:59 AM ESTRiver Flood WarningGSPHenderson, Transylvania23 hr
Dec 26, 8:13 AM ESTSpecial Weather StatementGSPCabarrus, Gaston, Mecklenburg, Union3 hr
Dec 26, 8:36 AM ESTSpecial Weather StatementGSPCabarrus, Davie, Iredell, Mecklenburg, Rowan54 min
Dec 26, 9:46 AM ESTSpecial Weather StatementGSPCabarrus, Mecklenburg, Union44 min
Dec 26, 2:22 PM ESTHigh Wind WarningGSPAvery, Buncombe, Burke, Caldwell, Haywood, Henderson and 6 more23 hr
Dec 26, 2:22 PM ESTWind AdvisoryGSPBurke, Caldwell, Graham, Haywood, Jackson, McDowell and 5 more23 hr
Dec 26, 5:50 AM ESTAreal Flood AdvisoryGSPGreenville3 hr
Dec 26, 8:58 AM ESTAreal Flood AdvisoryGSPCherokee, Spartanburg, Union, York2 hr

Nearby

Freezing Rain Advisories in North Carolina, 2012Every freezing rain advisory 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.