Alert archive / South Carolina / Freeze Watches in 2015

Freeze Watch 2, NWS Columbia, SC

November 13, 20157 counties in South Carolina; Lincoln County, Georgia

NWS Columbia, SC issued this freeze watch at Nov 13, 2015, 2:24 PM EST for 7 counties in South Carolina; Lincoln County, Georgia. It took effect at Nov 15, 2015, 2:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued: Nov 13, 2015, 2:24 PM EST (19:24 UTC)
In effect from: Nov 15, 2015, 2:00 AM EST
Expired: Nov 14, 2015, 1:14 PM EST
In force
Issued by: NWS Columbia, SC

Counties Lincoln County, GA, Chesterfield County, SC, Edgefield County, SC, Fairfield County, SC, Kershaw County, SC, McCormick County, SC, Newberry County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 40 km from the middle of the area, began a volume at 19:21 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.4 hours before the alert went out and 291 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: 1685 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -231 m²/s²
0-3 km storm-relative helicity: -159 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Columbia, SC wrote its last area forecast discussion before this freeze watch went out at Nov 13, 12:21 PM EST, 2 hours 3 minutes earlier.

Area forecast discussion, Nov 13, 12:21 PM EST, 2 hours 3 minutes before

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Hazardous weather outlook, Nov 13, 8:37 AM EST, 5 hours 47 minutes before

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The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 13, 8:33 AM EST	Frost Advisory	CAE	Fairfield, Newberry	23 hr

Nearby

Freeze Watches in South Carolina, 2015 Freeze Watches in Georgia, 2015 Every freeze watch in 2015

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.