Alert archive / South Carolina / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 36, NWS Columbia, SC

April 3, 2017Calhoun County, Kershaw County, Richland County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 3, 2017, 5:01 PM EDT for Calhoun County, Kershaw County, Richland County, South Carolina. It was in force for 33 min. 1 report 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
Apr 3, 2017, 5:01 PM EDT (21:01 UTC)
Expired
Apr 3, 2017, 5:34 PM EDT
In force
33 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Calhoun County, SC, Kershaw County, SC, Richland County, SC

The radar

The Columbia radar (KCAE), 18 km from the middle of the area, began a volume at 21:01 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.

What was reported inside it

TimeReportWhereRemark
Apr 3, 5:05 PM EDTTSTM WND DMGColumbia, SCTREES DOWN .

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 3, 2:07 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.0 hours before the alert went out and 142 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 2017-04-03Temperature 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, Charleston AFB, SC at 12:00Z on 2017-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
1059 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

715 
WUUS52 KCAE 032101
SVRCAE
SCC017-055-079-032145-
/O.NEW.KCAE.SV.W.0036.170403T2101Z-170403T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
501 PM EDT MON APR 3 2017

The National Weather Service in Columbia has issued a

* Severe Thunderstorm Warning for...
  Northwestern Calhoun County in central South Carolina...
  Richland County in central South Carolina...
  Southwestern Kershaw County in central South Carolina...

* Until 545 PM EDT

* At 501 PM EDT, severe thunderstorms were located along a line
  extending from 9 miles west of Lugoff to 11 miles east of Gaston,
  moving east at 50 mph.

  HAZARD...70 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings. 

* Locations impacted include...
  Columbia, Forest Acres, Dentsville, St. Andrews, Woodfields,
  Arcadia Lakes, Eastover, Five Points, Woodfield, Fort Jackson and
  Seven Oaks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A tornado watch remains in effect until 900 PM EDT for central South
Carolina.

LAT...LON 3377 8076 3372 8100 3376 8093 3378 8096
      3377 8102 3382 8104 3387 8104 3388 8101
      3391 8101 3392 8103 3393 8102 3400 8105
      3403 8111 3406 8113 3427 8083 3408 8072
      3408 8062 3405 8061
TIME...MOT...LOC 2101Z 262DEG 42KT 3419 8084 3381 8091 

HAIL...<.75IN
WIND...70MPH
 
$$

JAQ
2 follow-up statements
930 
WWUS52 KCAE 032126
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
526 PM EDT MON APR 3 2017

SCC017-055-032135-
/O.CAN.KCAE.SV.W.0036.000000T0000Z-170403T2145Z/
Calhoun SC-Kershaw SC-
526 PM EDT MON APR 3 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CALHOUN AND
SOUTHWESTERN KERSHAW COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore the warning has been cancelled.

A tornado watch remains in effect until 900 PM EDT for central South
Carolina.

LAT...LON 3400 8064 3400 8065 3399 8064 3377 8076
      3411 8077 3407 8072 3408 8071 3408 8062
      3407 8063 3406 8061 3405 8061
TIME...MOT...LOC 2125Z 262DEG 42KT 3423 8052 3385 8060 

$$

SCC079-032145-
/O.CON.KCAE.SV.W.0036.000000T0000Z-170403T2145Z/
Richland SC-
526 PM EDT MON APR 3 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHEASTERN RICHLAND COUNTY...

At 525 PM EDT, severe thunderstorms were located along a line
extending from near Camden to 6 miles east of Eastover, moving east
at 50 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Eastover.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A tornado watch remains in effect until 900 PM EDT for central South
Carolina.

LAT...LON 3400 8064 3400 8065 3399 8064 3377 8076
      3411 8077 3407 8072 3408 8071 3408 8062
      3407 8063 3406 8061 3405 8061
TIME...MOT...LOC 2125Z 262DEG 42KT 3423 8052 3385 8060 

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

JAQ
630 
WWUS52 KCAE 032134
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
534 PM EDT MON APR 3 2017

SCC079-032143-
/O.CAN.KCAE.SV.W.0036.000000T0000Z-170403T2145Z/
Richland SC-
534 PM EDT MON APR 3 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RICHLAND COUNTY
IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning has been cancelled.

Report large hail... damaging winds or flooding to local law 
enforcement. Send reports by Facebook or Twitter to NWSColumbia, 
e-mail us at caewx@noaa.gov or call 803-234-4115.

LAT...LON 3400 8064 3400 8065 3399 8064 3377 8076
      3411 8077 3407 8072 3408 8071 3408 8062
      3407 8063 3406 8061 3405 8061
TIME...MOT...LOC 2132Z 262DEG 42KT 3424 8042 3386 8050 

$$

JAQ

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 3:52 AM EDTLake Wind AdvisoryCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more20 hr
Apr 3, 12:06 PM EDTSpecial Weather StatementCAEEdgefield, McCormick24 min
Apr 3, 1:42 PM EDTSpecial Weather StatementCAEAiken33 min
Apr 3, 2:20 PM EDTAreal Flood AdvisoryCAELexington, Richland48 hr
Apr 3, 2:27 PM EDTAreal Flood AdvisoryCAELexington, Richland2 hr
Apr 3, 2:47 PM EDTSevere Thunderstorm WarningCAEMcCormick58 min
Apr 3, 3:07 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell53 min
Apr 3, 3:17 PM EDTSevere Thunderstorm WarningCAEFairfield, Newberry, Saluda58 min
Apr 3, 3:28 PM EDTSevere Thunderstorm WarningCAEEdgefield62 min
Apr 3, 3:31 PM EDTTornado WarningCAEEdgefield, McCormick29 min
Apr 3, 3:42 PM EDTSpecial Weather StatementCAEKershaw33 min
Apr 3, 3:42 PM EDTTornado WarningCAEBarnwell48 min
Apr 3, 3:57 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell, Lexington33 min
Apr 3, 4:10 PM EDTSevere Thunderstorm WarningCAEFairfield, Kershaw, Lancaster65 min
Apr 3, 4:12 PM EDTAreal Flood AdvisoryCAELexington, Richland3 hr
Apr 3, 4:15 PM EDTSevere Thunderstorm WarningCAECalhoun, Lexington, Newberry, Richland, Saluda45 min
Apr 3, 4:18 PM EDTSevere Thunderstorm WarningCAEBamberg, Calhoun, Orangeburg42 min
Apr 3, 4:32 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell28 min
Apr 3, 4:33 PM EDTTornado WarningCAELexington26 min
Apr 3, 4:51 PM EDTFlash Flood WarningCAERichland114 min
Apr 3, 4:51 PM EDTSevere Thunderstorm WarningCAEChesterfield, Kershaw, Lee, Sumter54 min
Apr 3, 4:55 PM EDTSevere Thunderstorm WarningCAEKershaw, Lee, Richland, Sumter50 min
Apr 3, 4:57 PM EDTSevere Thunderstorm WarningCAEBamberg, Calhoun, Clarendon, Orangeburg48 min
Apr 3, 5:11 PM EDTTornado WarningCAECalhoun, Sumter34 min
Apr 3, 5:45 PM EDTSevere Thunderstorm WarningCAEChesterfield15 min
Apr 3, 5:46 PM EDTSevere Thunderstorm WarningCAEClarendon, Lee, Orangeburg, Sumter29 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; radar from the NEXRAD Level II archive.