Alert archive / South Carolina / Tornado Warnings in 2017

Tornado Warning 1, NWS Columbia, SC

January 2, 2017Aiken County, Barnwell County, South Carolina; Burke County, Richmond County, Georgia

NWS Columbia, SC issued this tornado warning at Jan 2, 2017, 11:02 PM EST for Aiken County, Barnwell County, South Carolina; Burke County, Richmond County, Georgia. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 2, 2017, 11:02 PM EST (04:02 UTC)
Expired
Jan 2, 2017, 11:45 PM EST
In force
43 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Burke County, GA, Richmond County, GA, Aiken County, SC, Barnwell County, SC

The radar

The Columbia radar (KCAE), 86 km from the middle of the area, began a volume at 04:02 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

Charleston AFB, SC (KCHS), launched 00:00Z, 4.0 hours before the alert went out and 166 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, Charleston AFB, SC at 00:00Z on 2017-01-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2017-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
14 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

192 
WFUS52 KCAE 030402
TORCAE
GAC033-245-SCC003-011-030445-
/O.NEW.KCAE.TO.W.0001.170103T0402Z-170103T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Columbia SC
1102 PM EST MON JAN 2 2017

The National Weather Service in Columbia has issued a

* Tornado Warning for...
  North central Burke County in east central Georgia...
  Southeastern Richmond County in east central Georgia...
  Northwestern Barnwell County in central South Carolina...
  Southwestern Aiken County in central South Carolina...

* Until 1145 PM EST
    
* At 1102 PM EST, a severe thunderstorm capable of producing a
  tornado was located near Jackson, or 10 miles west of Savannah
  River Site, moving northeast at 30 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Jackson around 1110 PM EST. 
  Aiken and New Ellenton around 1130 PM EST. 

Other locations impacted by this tornadic thunderstorm include
Windsor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3317 8181 3330 8197 3367 8157 3343 8135
TIME...MOT...LOC 0402Z 223DEG 27KT 3330 8183 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

awp

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 10:52 PM ESTSevere Thunderstorm WarningCAEAiken, Barnwell53 min
Jan 3, 12:54 AM ESTSpecial Weather StatementCAEAiken, Barnwell, Lexington66 min
Jan 3, 1:39 AM ESTSpecial Weather StatementCAEBamberg, Calhoun, Orangeburg, Richland, Sumter66 min
Jan 3, 1:48 AM ESTAreal Flood AdvisoryCAECalhoun, Fairfield, Lexington, Newberry, Richland, Saluda117 min
Jan 3, 1:58 AM ESTAreal Flood AdvisoryCAEAiken, Lexington, Orangeburg2 hr
Jan 3, 2:51 AM ESTSpecial Weather StatementCAEChesterfield, Clarendon, Kershaw, Lancaster, Lee, Sumter39 min
Jan 3, 5:38 AM ESTAreal Flood AdvisoryCAEAiken, Calhoun, Edgefield, Lexington, McCormick, Orangeburg and 2 more112 min
Jan 3, 11:18 AM ESTRiver Flood WarningCAEOrangeburg7 days
Jan 2, 11:12 PM ESTFlash Flood WatchCAEBurke, Columbia, Lincoln, McDuffie, Richmond9 hr

Nearby

Tornado Warnings in South Carolina, 2017Tornado Warnings in Georgia, 2017Every tornado warning in 2017Tornadoes in 2017

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.