Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Charleston, SC

June 4, 2021Liberty County, Long County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jun 4, 2021, 8:28 PM EDT for Liberty County, Long County, Georgia. It was in force for 38 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
Jun 4, 2021, 8:28 PM EDT (00:28 UTC)
Expired
Jun 4, 2021, 9:06 PM EDT
In force
38 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Liberty County, GA, Long County, GA

The radar

The Charleston,SC radar (KCLX), 110 km from the middle of the area, began a volume at 00:28 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.

What was reported inside it

TimeReportWhereRemark
Jun 4, 8:50 PM EDTHAIL 0.752 Ne Gum Branch, GADIME SIZED HAIL REPORTED PELTING WINDOWS OFF OF RAZORBACK ROAD. RADAR DATA WAS USED TO ESTIMATE THE EVENT TIME.
Jun 4, 8:50 PM EDTHAIL 0.883 Ese Gum Branch, GAA TRAINED SPOTTER ENCOUNTERED NICKEL SIZE HAIL ON HIGHWAY 196 NEAR GUMBRANCH, GA.

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

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 0.5 hours before the alert went out and 151 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, Jacksonville, FL at 00:00Z on 2021-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1606 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, Jacksonville, FL at 00:00Z on 2021-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
1606 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1058 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

309 
WUUS52 KCHS 050028
SVRCHS
GAC179-183-050130-
/O.NEW.KCHS.SV.W.0028.210605T0028Z-210605T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
828 PM EDT Fri Jun 4 2021

The National Weather Service in Charleston has issued a

* Severe Thunderstorm Warning for portions of...
  Liberty County in southeastern Georgia...
  Long County in southeastern Georgia...

* Until 930 PM EDT.

* At 827 PM EDT, a severe thunderstorm was located over Gumbranch,
  and is nearly stationary.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and powerlines.

* Locations impacted include...
  Hinesville, Fort Stewart, Gumbranch and Gum Branch. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.

&&

LAT...LON 3192 8167 3183 8161 3175 8181 3185 8185
TIME...MOT...LOC 0027Z 073DEG 4KT 3185 8171 

HAIL...0.88IN
WIND...60MPH
 
$$
3 follow-up statements
737 
WWUS52 KCHS 050034
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
834 PM EDT Fri Jun 4 2021

GAC179-183-050130-
/O.CON.KCHS.SV.W.0028.000000T0000Z-210605T0130Z/
Liberty GA-Long GA-
834 PM EDT Fri Jun 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR LIBERTY AND LONG COUNTIES...

At 834 PM EDT, a severe thunderstorm was located over Gum Branch, and
is nearly stationary.

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

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and powerlines.

Locations impacted include...
Hinesville, Fort Stewart and Gum Branch. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3192 8167 3183 8161 3175 8181 3185 8185
TIME...MOT...LOC 0034Z 073DEG 4KT 3185 8172 

HAIL...1.25IN
WIND...60MPH
 
$$
868 
WWUS52 KCHS 050051
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
851 PM EDT Fri Jun 4 2021

GAC179-183-050130-
/O.CON.KCHS.SV.W.0028.000000T0000Z-210605T0130Z/
Liberty GA-Long GA-
851 PM EDT Fri Jun 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR LIBERTY AND LONG COUNTIES...

At 851 PM EDT, a severe thunderstorm was located near Gum Branch, and
is nearly stationary.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and powerlines.

Locations impacted include...
Hinesville, Fort Stewart, Gumbranch and Gum Branch. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.

&&

LAT...LON 3192 8167 3183 8161 3175 8181 3185 8185
TIME...MOT...LOC 0051Z 073DEG 4KT 3184 8174 

HAIL...1.00IN
WIND...60MPH
 
$$
464 
WWUS52 KCHS 050106
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
906 PM EDT Fri Jun 4 2021

GAC179-183-050115-
/O.CAN.KCHS.SV.W.0028.000000T0000Z-210605T0130Z/
Liberty GA-Long GA-
906 PM EDT Fri Jun 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF LIBERTY AND LONG
COUNTIES IS CANCELLED...
                
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 has been cancelled.  However, gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 3192 8167 3183 8161 3175 8181 3185 8185
TIME...MOT...LOC 0103Z 073DEG 4KT 3184 8176 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 8:04 PM EDTSpecial Weather StatementCHSBryan26 min
Jun 4, 8:22 PM EDTAreal Flood AdvisoryCHSLiberty83 min
Jun 4, 9:34 PM EDTAreal Flood AdvisoryCHSLiberty, Long86 min
Jun 5, 6:35 PM EDTSpecial Weather StatementCHSJenkins25 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021Every severe thunderstorm warning in 2021

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.