Alert archive / South Carolina / Tornado Warnings in 2017

Tornado Warning 12, NWS Columbia, SC

April 3, 2017Lexington County, South Carolina

NWS Columbia, SC issued this tornado warning at Apr 3, 2017, 4:33 PM EDT for Lexington County, South Carolina. It was in force for 26 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
Apr 3, 2017, 4:33 PM EDT (20:33 UTC)
Expired
Apr 3, 2017, 4:59 PM EDT
In force
26 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Lexington County, SC

The radar

The Columbia radar (KCAE), 9 km from the middle of the area, began a volume at 20:36 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, 4:33 PM EDTTSTM WND DMG3 Sse Gilbert, SCFENCE AROUND PROPERTIES BLOWN OVER NEAR JUNIPER SPRINGS RD AND TIGER CIRCLE. MULTIPLE TREES SNAPPED. BARN WITH CINDER BLOCK WALLS BLOWN OUT. POSSIBLE TORNADO, STORM SURVEY TEAMS WILL EVALUATE TOMORROW.
Apr 3, 4:44 PM EDTTSTM WND DMG4 Wsw Red Bank, SCMULTIPLE TREES DOWN ON HOUSE AND CAR NEAR LONGS POND ROAD. IMAGES RELAYED VIA SOCIAL MEDIA.

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, 8.6 hours before the alert went out and 164 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.

689 
WFUS52 KCAE 032033
TORCAE
SCC063-032115-
/O.NEW.KCAE.TO.W.0012.170403T2033Z-170403T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Columbia SC
433 PM EDT MON APR 3 2017

The National Weather Service in Columbia has issued a

* Tornado Warning for...
  Central Lexington County in central South Carolina...

* Until 515 PM EDT
    
* At 433 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles west of Red Bank, moving northeast at 40 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. 

* Locations impacted include...
  Lexington, West Columbia, Cayce, Irmo, Springdale, Red Bank, Oak
  Grove, South Congaree, Pine Ridge, Gilbert, Summit and Seven Oaks.

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 3389 8149 3409 8117 3407 8114 3401 8109
      3401 8107 3400 8105 3394 8103 3380 8143
TIME...MOT...LOC 2033Z 239DEG 35KT 3389 8137 

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

$$

JAQ
3 follow-up statements
564 
WWUS52 KCAE 032039
SVSCAE

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

SCC063-032115-
/O.CON.KCAE.TO.W.0012.000000T0000Z-170403T2115Z/
Lexington SC-
439 PM EDT MON APR 3 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR CENTRAL
LEXINGTON COUNTY...
    
At 439 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Red Bank, moving east at 45 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. 

Locations impacted include...
Lexington, West Columbia, Cayce, Irmo, Springdale, Red Bank, Oak
Grove, South Congaree, Pine Ridge and Seven Oaks.

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 3392 8134 3409 8117 3407 8114 3401 8109
      3401 8107 3400 8105 3394 8103 3385 8130
TIME...MOT...LOC 2039Z 254DEG 39KT 3390 8128 

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

$$

JAQ
639 
WWUS52 KCAE 032049
SVSCAE

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

SCC063-032115-
/O.CON.KCAE.TO.W.0012.000000T0000Z-170403T2115Z/
Lexington SC-
449 PM EDT MON APR 3 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR EAST
CENTRAL LEXINGTON COUNTY...
    
At 449 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Oak Grove, moving northeast at 40 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. 

Locations impacted include...
West Columbia, Cayce, Springdale, Oak Grove, South Congaree, Pine
Ridge and Seven Oaks.

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 3395 8122 3407 8114 3401 8109 3401 8107
      3400 8105 3394 8103 3389 8117
TIME...MOT...LOC 2049Z 239DEG 35KT 3395 8118 

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

$$

JAQ
759 
WWUS52 KCAE 032059
SVSCAE

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

SCC063-032108-
/O.CAN.KCAE.TO.W.0012.000000T0000Z-170403T2115Z/
Lexington SC-
459 PM EDT MON APR 3 2017

...THE TORNADO WARNING FOR EAST CENTRAL LEXINGTON COUNTY IS
CANCELLED...
        
The storm which prompted the warning has 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 3395 8122 3407 8114 3401 8109 3401 8107
      3400 8105 3394 8103 3389 8117
TIME...MOT...LOC 2056Z 239DEG 35KT 3400 8108 

$$

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, 4:51 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, 5:01 PM EDTSevere Thunderstorm WarningCAECalhoun, Kershaw, Richland33 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

Tornado Warnings in South Carolina, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.