Alert archive / South Carolina / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 8, NWS Columbia, SC

February 15, 2017Bamberg County, Barnwell County, Orangeburg County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Feb 15, 2017, 11:09 AM EST for Bamberg County, Barnwell County, Orangeburg County, South Carolina. It was in force for 54 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 15, 2017, 11:09 AM EST (16:09 UTC)
Expired
Feb 15, 2017, 12:03 PM EST
In force
54 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bamberg County, SC, Barnwell County, SC, Orangeburg County, SC

What was reported inside it

TimeReportWhereRemark
Feb 15, 11:39 AM ESTHAIL 0.75Branchville, SCFIREFIGHTER REPORTED DIME TO PENNY SIZED HAIL IN THE TOWN OF BRANCHVILLE. .
Feb 15, 11:40 AM ESTHAIL 12 Ese Branchville, SCQUARTER SIZED HAIL REPORTED AT BRANCHVILLE HIGH SCHOOL. .

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 4.2 hours before the alert went out and 108 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 12:00Z on 2017-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2017-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.1939587897117Sfc1 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
1230 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
254 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

215 
WUUS52 KCAE 151609
SVRCAE
SCC009-011-075-151715-
/O.NEW.KCAE.SV.W.0008.170215T1609Z-170215T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
1109 AM EST WED FEB 15 2017

The National Weather Service in Columbia has issued a

* Severe Thunderstorm Warning for...
  Barnwell County in central South Carolina...
  Bamberg County in central South Carolina...
  Southwestern Orangeburg County in central South Carolina...

* Until 1215 PM EST

* At 1109 AM EST, a severe thunderstorm was located over Barnwell,
  moving east at 55 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Barnwell, Bamberg, Denmark, Williston, Blackville, Branchville,
  Bowman, Ehrhardt, Hilda, Norway, Rowesville, Snelling, Olar, Kline,
  Elko, Cordova, Cope and Govan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3312 8119 3311 8136 3316 8153 3314 8157
      3347 8140 3343 8058 3326 8063 3313 8089
      3306 8090 3310 8094 3303 8108
TIME...MOT...LOC 1609Z 283DEG 49KT 3323 8132 

HAIL...<.75IN
WIND...60MPH
 
$$

WRS
4 follow-up statements
042 
WWUS52 KCAE 151621
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
1121 AM EST WED FEB 15 2017

SCC009-011-075-151715-
/O.CON.KCAE.SV.W.0008.000000T0000Z-170215T1715Z/
Barnwell SC-Bamberg SC-Orangeburg SC-
1121 AM EST WED FEB 15 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EST
FOR SOUTHEASTERN BARNWELL...BAMBERG AND SOUTHWESTERN ORANGEBURG
COUNTIES...

At 1120 AM EST, a severe thunderstorm was located 7 miles northeast
of Ulmer, or 8 miles south of Denmark, moving east at 55 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Bamberg, Denmark, Branchville, Bowman, Ehrhardt, Hilda, Norway,
Rowesville, Olar, Kline, Cordova, Cope and Govan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3312 8119 3311 8136 3315 8150 3330 8120
      3346 8120 3343 8058 3326 8063 3313 8089
      3306 8090 3310 8094 3303 8108
TIME...MOT...LOC 1620Z 283DEG 49KT 3319 8113 

HAIL...<.75IN
WIND...60MPH
 
$$

WRS
252 
WWUS52 KCAE 151632
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
1132 AM EST WED FEB 15 2017

SCC009-011-075-151715-
/O.CON.KCAE.SV.W.0008.000000T0000Z-170215T1715Z/
Barnwell SC-Bamberg SC-Orangeburg SC-
1132 AM EST WED FEB 15 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EST
FOR SOUTHEASTERN BARNWELL...BAMBERG AND SOUTH CENTRAL ORANGEBURG
COUNTIES...

At 1132 AM EST, a severe thunderstorm was located near Bamberg, 
moving east at 45 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Bamberg, Branchville, Bowman, Ehrhardt, Rowesville, Olar, Kline,
Cordova, Cope and Govan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3312 8119 3311 8136 3312 8140 3334 8101
      3345 8099 3343 8058 3326 8063 3313 8089
      3306 8090 3310 8094 3303 8108
TIME...MOT...LOC 1632Z 281DEG 30KT 3318 8108 

HAIL...<.75IN
WIND...60MPH
 
$$

WRS
284 
WWUS52 KCAE 151659
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
1159 AM EST WED FEB 15 2017

SCC011-151708-
/O.CAN.KCAE.SV.W.0008.000000T0000Z-170215T1715Z/
Barnwell SC-
1159 AM EST WED FEB 15 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BARNWELL COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area therefore the warning has been cancelled.

LAT...LON 3310 8115 3343 8065 3343 8058 3326 8063
      3313 8089 3306 8090 3310 8094 3303 8108
TIME...MOT...LOC 1658Z 282DEG 19KT 3314 8088 

$$

SCC009-075-151715-
/O.CON.KCAE.SV.W.0008.000000T0000Z-170215T1715Z/
Bamberg SC-Orangeburg SC-
1159 AM EST WED FEB 15 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EST
FOR SOUTHEASTERN BAMBERG AND SOUTH CENTRAL ORANGEBURG COUNTIES...

At 1158 AM EST, a severe thunderstorm was located near Padgetts, or
13 miles southeast of Bamberg, moving east at 30 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Branchville, Bowman and Ehrhardt. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3310 8115 3343 8065 3343 8058 3326 8063
      3313 8089 3306 8090 3310 8094 3303 8108
TIME...MOT...LOC 1658Z 282DEG 19KT 3314 8088 

HAIL...<.75IN
WIND...60MPH
 
$$

WRS
250 
WWUS52 KCAE 151703
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
1203 PM EST WED FEB 15 2017

SCC009-075-151712-
/O.CAN.KCAE.SV.W.0008.000000T0000Z-170215T1715Z/
Bamberg SC-Orangeburg SC-
1203 PM EST WED FEB 15 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BAMBERG AND SOUTH
CENTRAL ORANGEBURG COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

LAT...LON 3310 8115 3343 8065 3343 8058 3326 8063
      3313 8089 3306 8090 3310 8094 3303 8108
TIME...MOT...LOC 1702Z 283DEG 49KT 3312 8080 

$$

WRS

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 7:59 AM ESTSpecial Weather StatementCAEEdgefield, McCormick, Saluda46 min
Feb 15, 8:38 AM ESTSpecial Weather StatementCAEEdgefield52 min
Feb 15, 8:57 AM ESTSpecial Weather StatementCAELexington, Richland63 min
Feb 15, 9:07 AM ESTSpecial Weather StatementCAEAiken38 min
Feb 15, 10:06 AM ESTSpecial Weather StatementCAEBamberg, Barnwell, Calhoun, Clarendon, Orangeburg, Sumter54 min
Feb 15, 10:35 AM ESTSevere Thunderstorm WarningCAECalhoun, Clarendon, Orangeburg, Sumter40 min
Feb 15, 10:50 AM ESTTornado WarningCAEAiken, Barnwell29 min
Feb 15, 11:38 AM ESTTornado WarningCAEBamberg, Orangeburg16 min
Feb 15, 11:49 AM ESTSevere Thunderstorm WarningCAEClarendon, Orangeburg26 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2017Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.