Alert archive / South Carolina / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 27, NWS Columbia, SC

April 3, 2017Edgefield County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 3, 2017, 3:28 PM EDT for Edgefield County, South Carolina. It was in force for 62 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: Apr 3, 2017, 3:28 PM EDT (19:28 UTC)
Expired: Apr 3, 2017, 4:30 PM EDT
In force: 62 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 70.0 mph

County Edgefield County, SC

The radar

The Columbia radar (KCAE), 88 km from the middle of the area, began a volume at 19:28 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 3, 2:07 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.5 hours before the alert went out and 214 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

767 
WUUS52 KCAE 031928
SVRCAE
SCC037-032030-
/O.NEW.KCAE.SV.W.0027.170403T1928Z-170403T2030Z/

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

The National Weather Service in Columbia has issued a

* Severe Thunderstorm Warning for...
  Edgefield County in central South Carolina...

* Until 430 PM EDT

* At 327 PM EDT, severe thunderstorms were located along a line
  extending from 8 miles southwest of Ninety Six Historic Site to 6
  miles northwest of Grovetown, moving northeast at 50 mph.

  HAZARD...70 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings. 

* Locations impacted include...
  Edgefield, Johnston, Trenton and Murphys Estates. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

&&

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

LAT...LON 3375 8216 3376 8217 3383 8212 3388 8216
      3393 8216 3397 8197 3398 8190 3390 8187
      3388 8185 3382 8166 3353 8201 3360 8211
      3363 8210 3369 8217 3372 8218
TIME...MOT...LOC 1927Z 226DEG 42KT 3405 8212 3352 8229 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

JAQ

1 follow-up statement

715 
WWUS52 KCAE 032022
SVSCAE

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

SCC037-032032-
/O.EXP.KCAE.SV.W.0027.000000T0000Z-170403T2030Z/
Edgefield SC-
422 PM EDT MON APR 3 2017

...THE SEVERE THUNDERSTORM WARNING FOR EDGEFIELD COUNTY WILL EXPIRE
AT 430 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.

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

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 3375 8216 3376 8217 3383 8212 3388 8216
      3393 8216 3397 8197 3398 8190 3390 8187
      3388 8185 3382 8166 3353 8201 3360 8211
      3363 8210 3369 8217 3372 8218
TIME...MOT...LOC 2022Z 226DEG 42KT 3449 8157 3396 8174 

$$

fwa

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 3:52 AM EDT	Lake Wind Advisory	CAE	Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more	20 hr
Apr 3, 12:06 PM EDT	Special Weather Statement	CAE	Edgefield, McCormick	24 min
Apr 3, 1:42 PM EDT	Special Weather Statement	CAE	Aiken	33 min
Apr 3, 2:20 PM EDT	Areal Flood Advisory	CAE	Lexington, Richland	48 hr
Apr 3, 2:27 PM EDT	Areal Flood Advisory	CAE	Lexington, Richland	2 hr
Apr 3, 2:47 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	58 min
Apr 3, 3:07 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell	53 min
Apr 3, 3:17 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Newberry, Saluda	58 min
Apr 3, 3:31 PM EDT	Tornado Warning	CAE	Edgefield, McCormick	29 min
Apr 3, 3:42 PM EDT	Special Weather Statement	CAE	Kershaw	33 min
Apr 3, 3:42 PM EDT	Tornado Warning	CAE	Barnwell	48 min
Apr 3, 3:57 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell, Lexington	33 min
Apr 3, 4:10 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Lancaster	65 min
Apr 3, 4:12 PM EDT	Areal Flood Advisory	CAE	Lexington, Richland	3 hr
Apr 3, 4:15 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Newberry, Richland, Saluda	45 min
Apr 3, 4:18 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Calhoun, Orangeburg	42 min
Apr 3, 4:32 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell	28 min
Apr 3, 4:33 PM EDT	Tornado Warning	CAE	Lexington	26 min
Apr 3, 4:51 PM EDT	Flash Flood Warning	CAE	Richland	114 min
Apr 3, 4:51 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lee, Sumter	54 min
Apr 3, 4:55 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Lee, Richland, Sumter	50 min
Apr 3, 4:57 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Calhoun, Clarendon, Orangeburg	48 min
Apr 3, 5:01 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Kershaw, Richland	33 min
Apr 3, 5:11 PM EDT	Tornado Warning	CAE	Calhoun, Sumter	34 min
Apr 3, 5:45 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	15 min
Apr 3, 5:46 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon, Lee, Orangeburg, Sumter	29 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2017 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.