Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 19, NWS Columbia, SC

April 28, 2016Burke County, Georgia; Barnwell County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 28, 2016, 4:50 PM EDT for Burke County, Georgia; Barnwell County, South Carolina. It was in force for 55 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 28, 2016, 4:50 PM EDT (20:50 UTC)
Expired
Apr 28, 2016, 5:45 PM EDT
In force
55 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Burke County, GA, Barnwell County, SC

The radar

The Charleston,SC radar (KCLX), 74 km from the middle of the area, began a volume at 20:50 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 28, 4:51 PM EDTHAIL 0.25Girard, GAREPORTS OF PEA-SIZE HAIL IN AND NEAR GIRARD.

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, 8.8 hours before the alert went out and 152 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 2016-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 613 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 2016-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
613 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

199 
WUUS52 KCAE 282050
SVRCAE
GAC033-SCC011-282145-
/O.NEW.KCAE.SV.W.0019.160428T2050Z-160428T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
450 PM EDT THU APR 28 2016

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BURKE COUNTY IN EAST CENTRAL GEORGIA...
  SOUTHERN BARNWELL COUNTY IN CENTRAL SOUTH CAROLINA...

* UNTIL 545 PM EDT

* AT 450 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHEAST
  OF SARDIS...OR 12 MILES SOUTH OF SAVANNAH RIVER SITE...MOVING EAST AT
  20 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  BARNWELL...SAVANNAH RIVER SITE...SARDIS...SNELLING...KLINE...ELKO AND
  GIRARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3297 8180 3318 8182 3321 8176 3320 8175
      3324 8171 3330 8159 3340 8134 3311 8131
      3311 8136 3316 8154 3310 8162 3304 8156
      3305 8154 3304 8154 3304 8155 3297 8167
TIME...MOT...LOC 2050Z 266DEG 18KT 3308 8171 

HAIL...1.00IN
WIND...60MPH
 
$$

CJR
2 follow-up statements
698 
WWUS52 KCAE 282113
SVSCAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
513 PM EDT THU APR 28 2016

GAC033-282119-
/O.CAN.KCAE.SV.W.0019.000000T0000Z-160428T2145Z/
BURKE GA-
513 PM EDT THU APR 28 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BURKE COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
BURKE COUNTY. THEREFORE THE WARNING HAS BEEN CANCELLED FOR BURKE
COUNTY.

LAT...LON 3311 8166 3314 8173 3321 8171 3329 8161
      3340 8134 3311 8131 3311 8136 3316 8154
      3310 8162 3309 8162 3309 8165
TIME...MOT...LOC 2109Z 266DEG 18KT 3309 8159 

$$

SCC011-282145-
/O.CON.KCAE.SV.W.0019.000000T0000Z-160428T2145Z/
BARNWELL SC-
513 PM EDT THU APR 28 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHERN BARNWELL COUNTY...

AT 509 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED IN SOUTHERN
BARNWELL COUNTY...OR 12 MILES SOUTH OF SAVANNAH RIVER SITE...MOVING
EAST AT 20 MPH. STORM MAY REDEVELOP TO THE NORTH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
BARNWELL...SNELLING...KLINE AND ELKO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3311 8166 3314 8173 3321 8171 3329 8161
      3340 8134 3311 8131 3311 8136 3316 8154
      3310 8162 3309 8162 3309 8165
TIME...MOT...LOC 2109Z 266DEG 18KT 3309 8159 

HAIL...0.75IN
WIND...60MPH
 
$$

CJR
365 
WWUS52 KCAE 282141
SVSCAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
541 PM EDT THU APR 28 2016

SCC011-282150-
/O.EXP.KCAE.SV.W.0019.000000T0000Z-160428T2145Z/
BARNWELL SC-
541 PM EDT THU APR 28 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BARNWELL COUNTY WILL
EXPIRE AT 545 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3311 8166 3314 8173 3321 8171 3329 8161
      3340 8134 3311 8131 3311 8136 3316 8154
      3310 8162 3309 8162 3309 8165
TIME...MOT...LOC 2137Z 266DEG 18KT 3309 8159 

$$

CJR

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 4:16 PM EDTSpecial Weather StatementCAEBurke59 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016Severe Thunderstorm Warnings in South Carolina, 2016Every severe thunderstorm warning in 2016

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.