Alert archive / South Carolina / Freeze Watches in 2016

Freeze Watch 3, NWS Columbia, SC

November 19, 20166 counties in South Carolina; Lincoln County, Georgia

NWS Columbia, SC issued this freeze watch at Nov 19, 2016, 3:13 AM EST for 6 counties in South Carolina; Lincoln County, Georgia. It took effect at Nov 20, 2016, 12:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 19, 2016, 3:13 AM EST (08:13 UTC)
In effect from
Nov 20, 2016, 12:00 AM EST
Expired
Nov 19, 2016, 2:36 PM EST
In force
Issued by
NWS Columbia, SC

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

The radar

The Columbia radar (KCAE), 50 km from the middle of the area, began a volume at 08:18 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, 8.2 hours before the alert went out and 269 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 00:00Z on 2016-11-19Temperature 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 00:00Z on 2016-11-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.193958Sfc1 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
2366 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
-46 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 19, 1:04 AM EST, 2 hours 9 minutes earlier.

Area forecast discussion, Nov 19, 1:04 AM EST, 2 hours 9 minutes before
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Hazardous weather outlook, Nov 18, 12:11 PM EST, 15 hours 2 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
Nov 19, 3:13 AM ESTLake Wind AdvisoryCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more26 hr
Nov 19, 3:27 AM ESTRed Flag WarningCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Edgefield and 7 more15 hr
Nov 19, 2:36 PM ESTFreeze WarningCAEChesterfield, Edgefield, Fairfield, McCormick, Newberry, Saluda18 hr

Nearby

Freeze Watches in South Carolina, 2016Freeze Watches in Georgia, 2016Every freeze watch in 2016

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.