Alert archive / North Carolina / Freeze Warnings in 2014

Freeze Warning 6, NWS Greenville-Spartanburg, SC

October 31, 20147 counties in North Carolina; Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this freeze warning at Oct 31, 2014, 5:47 AM EDT for 7 counties in North Carolina; Rabun County, Georgia. It took effect at Oct 31, 2014, 11:00 PM EDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 31, 2014, 5:47 AM EDT (09:47 UTC)
In effect from: Oct 31, 2014, 11:00 PM EDT
Expired: Nov 1, 2014, 10:00 AM EDT
In force: 11 hr
Issued by: NWS Greenville-Spartanburg, SC

Counties Rabun County, GA, Avery County, NC, Buncombe County, NC, Henderson County, NC, Jackson County, NC, Mitchell County, NC, Transylvania County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 80 km from the middle of the area, began a volume at 09:47 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, 9.8 hours before the alert went out and 298 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: 2162 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 1 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 freeze warning 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 freeze warning went out at Oct 31, 5:38 AM EDT, 9 minutes earlier.

Area forecast discussion, Oct 31, 5:38 AM EDT, 9 minutes before

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Hazardous weather outlook, Oct 30, 4:58 PM EDT, 12 hours 49 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
Oct 31, 3:12 PM EDT	Freeze Watch	GSP	Cleveland, Henderson, Polk, Rutherford	13 hr
Oct 31, 3:12 PM EDT	Wind Advisory	GSP	Alexander, Avery, Buncombe, Burke, Caldwell, Graham and 12 more	29 hr
Oct 31, 6:17 PM EDT	Special Weather Statement	GSP	Cleveland	28 min
Oct 31, 6:46 PM EDT	Special Weather Statement	GSP	Cleveland	29 min
Oct 31, 7:16 PM EDT	Special Weather Statement	GSP	Gaston	29 min
Oct 31, 7:56 PM EDT	Special Weather Statement	GSP	Gaston, Mecklenburg	34 min
Oct 31, 7:28 PM EDT	Special Weather Statement	GSP	York	32 min

Nearby

Freeze Warnings in North Carolina, 2014 Freeze Warnings in Georgia, 2014 Every freeze warning in 2014

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.