Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 39, NWS Columbia, SC

April 5, 2017Lincoln County, Georgia; McCormick County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 5, 2017, 12:03 PM EDT for Lincoln County, Georgia; McCormick County, South Carolina. It was in force for 57 min. 4 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 5, 2017, 12:03 PM EDT (16:03 UTC)
Expired
Apr 5, 2017, 1:00 PM EDT
In force
57 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Lincoln County, GA, McCormick County, SC

The radar

The Greer radar (KGSP), 107 km from the middle of the area, began a volume at 16:04 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 5, 12:20 PM EDTHAIL 0.88Willington, SCMCCORMICK COUNTY EM REPORTED DIME-TO-NICKEL SIZE HAIL NEAR WILLINGTON, SC ALONG HWY 81.
Apr 5, 12:26 PM EDTHAIL 1.756 Nw Lincolnton, GALINCOLN COUNTY EM REPORTED GOLF-BALL SIZE HAIL FROM GOSHEN NORTHWARD TO THE COUNTY LINE.
Apr 5, 12:27 PM EDTHAIL 1.751 Wnw Willington, SCONGOING LARGE HAIL AND GUSTY WINDS AT HWY 81 AND MORRAH BRIDGE ROAD.
Apr 5, 12:27 PM EDTHAIL 1.751 W Willington, SCONGOING LARGE HAIL AND GUSTY WINDS AT HWY 81 AND MORRAH BRIDGE ROAD.

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.1 hours before the alert went out and 206 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, Peachtre/Fal Fld, GA at 12:00Z on 2017-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 703 joules per kilogram.LCLLFCEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 2017-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 320 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
703 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
320 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted.

499 
WUUS52 KCAE 051603
SVRCAE
GAC181-SCC065-051700-
/O.NEW.KCAE.SV.W.0039.170405T1603Z-170405T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
1203 PM EDT WED APR 5 2017

The National Weather Service in Columbia has issued a

* Severe Thunderstorm Warning for...
  Lincoln County in east central Georgia...
  McCormick County in central South Carolina...

* Until 100 PM EDT

* At 1202 PM EDT, a severe thunderstorm was located over Tignall, or
  33 miles northwest of Thomson, moving east at 55 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  McCormick, Lincolnton, Parksville, Plum Branch, Willington and
  Mount Carmel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Lake Thurmond, get away from the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 3396 8257 3402 8259 3407 8253 3408 8248
      3406 8245 3406 8233 3397 8230 3402 8225
      3397 8218 3398 8205 3396 8205 3393 8216
      3383 8212 3376 8217 3374 8217 3372 8253
      3383 8260 3386 8257 3386 8261 3398 8265
TIME...MOT...LOC 1602Z 257DEG 46KT 3390 8278 

HAIL...1.25IN
WIND...60MPH
 
$$

JAQ
2 follow-up statements
828 
WWUS52 KCAE 051621
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
1221 PM EDT WED APR 5 2017

GAC181-SCC065-051700-
/O.CON.KCAE.SV.W.0039.000000T0000Z-170405T1700Z/
Lincoln GA-McCormick SC-
1221 PM EDT WED APR 5 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM EDT
FOR LINCOLN AND MCCORMICK COUNTIES...

At 1220 PM EDT, a severe thunderstorm was located near Bobby Brown
State Park, or 32 miles north of Thomson, moving east at 50 mph.

HAZARD...60 mph wind gusts and half dollar size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
McCormick, Lincolnton, Parksville, Plum Branch, Willington and Mount
Carmel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Lake Thurmond, get away from the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now! Do not be caught on the water in a thunderstorm.

&&

LAT...LON 3397 8265 3396 8257 3402 8259 3403 8256
      3406 8237 3406 8233 3397 8230 3402 8225
      3397 8218 3398 8205 3396 8205 3393 8216
      3383 8212 3376 8217 3374 8217 3372 8253
      3383 8260 3386 8257 3386 8261
TIME...MOT...LOC 1620Z 260DEG 43KT 3394 8254 

HAIL...1.25IN
WIND...60MPH
 
$$

JAQ
488 
WWUS52 KCAE 051627
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
1227 PM EDT WED APR 5 2017

GAC181-SCC065-051700-
/O.CON.KCAE.SV.W.0039.000000T0000Z-170405T1700Z/
Lincoln GA-McCormick SC-
1227 PM EDT WED APR 5 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM EDT
FOR LINCOLN AND MCCORMICK COUNTIES...

At 1225 PM EDT, a severe thunderstorm was located 7 miles east of
Bobby Brown State Park, or 32 miles north of Thomson, moving east at
50 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts. 

SOURCE...Emergency Manager

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

Locations impacted include...
McCormick, Lincolnton, Parksville, Plum Branch, Willington and Mount
Carmel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The Lincoln County Emergency Manager reported golf ball size north 
of Goshen with this severe thunderstorm. For your protection move to 
an interior room on the lowest floor of a building.

If on or near Lake Thurmond, get away from the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now! Do not be caught on the water in a thunderstorm.

&&

LAT...LON 3392 8257 3396 8258 3396 8257 3402 8259
      3403 8256 3406 8237 3406 8233 3397 8230
      3402 8225 3397 8218 3398 8205 3396 8205
      3393 8216 3383 8212 3376 8217 3374 8217
      3372 8253 3383 8260 3386 8257 3386 8261
TIME...MOT...LOC 1625Z 256DEG 44KT 3394 8247 

HAIL...1.75IN
WIND...60MPH
 
$$

JAQ

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 4:12 AM EDTFlash Flood WatchCAEColumbia, Lincoln, McDuffie, Richmond16 hr
Apr 5, 12:58 PM EDTSevere Thunderstorm WarningCAELincoln47 min
Apr 5, 2:05 PM EDTSevere Thunderstorm WarningCAEColumbia, Lincoln, McDuffie40 min
Apr 5, 2:39 PM EDTSevere Thunderstorm WarningCAEColumbia, Richmond48 min
Apr 5, 2:43 PM EDTWind AdvisoryCAEBurke, Columbia, Lincoln, McDuffie, Richmond30 hr
Apr 5, 8:57 AM EDTSpecial Weather StatementCAELexington63 min
Apr 5, 12:48 PM EDTSevere Thunderstorm WarningCAEFairfield, Newberry, Saluda42 min
Apr 5, 1:17 PM EDTTornado WarningCAEEdgefield, Lexington, Saluda43 min
Apr 5, 1:36 PM EDTSevere Thunderstorm WarningCAEAiken, Edgefield, Lexington, Saluda39 min
Apr 5, 1:41 PM EDTSevere Thunderstorm WarningCAELexington, Newberry, Saluda49 min
Apr 5, 1:56 PM EDTTornado WarningCAELexington34 min
Apr 5, 2:01 PM EDTSevere Thunderstorm WarningCAELexington29 min
Apr 5, 2:17 PM EDTSevere Thunderstorm WarningCAECalhoun, Lexington, Richland58 min
Apr 5, 2:32 PM EDTFlash Flood WarningCAELexington, Richland118 min
Apr 5, 2:32 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell, Orangeburg58 min
Apr 5, 2:37 PM EDTAreal Flood AdvisoryCAEAiken, Edgefield, Lexington, Newberry, Richland, Saluda113 min
Apr 5, 2:47 PM EDTSevere Thunderstorm WarningCAEBamberg43 min
Apr 5, 2:48 PM EDTTornado WarningCAERichland25 min
Apr 5, 3:12 PM EDTSevere Thunderstorm WarningCAELee, Richland, Sumter63 min
Apr 5, 3:16 PM EDTSevere Thunderstorm WarningCAELexington29 min
Apr 5, 3:25 PM EDTSevere Thunderstorm WarningCAECalhoun, Lexington, Orangeburg65 min
Apr 5, 3:33 PM EDTAreal Flood AdvisoryCAEAiken, Calhoun, Kershaw, Lexington, Richland, Sumter117 min
Apr 5, 3:43 PM EDTSevere Thunderstorm WarningCAEAiken, Bamberg, Barnwell, Orangeburg62 min
Apr 5, 3:47 PM EDTSevere Thunderstorm WarningCAEOrangeburg28 min
Apr 5, 3:49 PM EDTRiver Flood WarningCAEEdgefield, McCormick67 hr
Apr 5, 3:55 PM EDTTornado WarningCAEOrangeburg38 min
Apr 5, 4:04 PM EDTSevere Thunderstorm WarningCAECalhoun, Clarendon, Orangeburg, Sumter41 min
Apr 5, 4:17 PM EDTSevere Thunderstorm WarningCAEClarendon, Kershaw, Lee, Richland, Sumter43 min
Apr 5, 4:50 PM EDTAreal Flood AdvisoryCAEOrangeburg55 min
Apr 5, 5:10 PM EDTRiver Flood WarningCAEOrangeburg24 hr
Apr 5, 5:37 PM EDTSpecial Weather StatementCAEClarendon23 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017Severe 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.