Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 7, NWS Charleston, SC

March 28, 2021Jenkins County, Screven County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Mar 28, 2021, 4:41 PM EDT for Jenkins County, Screven County, Georgia. It was in force for 49 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
Mar 28, 2021, 4:41 PM EDT (20:41 UTC)
Expired
Mar 28, 2021, 5:30 PM EDT
In force
49 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jenkins County, GA, Screven County, GA

The radar

The Charleston,SC radar (KCLX), 74 km from the middle of the area, began a volume at 20:44 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 nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.7 hours before the alert went out and 166 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 2021-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 270 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 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939587897Sfc1 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
270 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

954 
WUUS52 KCHS 282041
SVRCHS
GAC165-251-282130-
/O.NEW.KCHS.SV.W.0007.210328T2041Z-210328T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
441 PM EDT Sun Mar 28 2021

The National Weather Service in Charleston has issued a

* Severe Thunderstorm Warning for portions of...
  Screven County in southeastern Georgia...
  Jenkins County in southeastern Georgia...

* Until 530 PM EDT.

* At 440 PM EDT, a severe thunderstorm was located over Midville,
  moving east at 50 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and powerlines.

* Locations impacted include...
  Millen, Sylvania, Butts, Hiltonia, Rocky Ford, Altman, Perkins,
  Emmalane, Millhaven, Scarboro, Woodcliff, Hilltonia, Herndon,
  Burtons Ferry Landing and Hunters.

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 3288 8213 3292 8208 3292 8195 3295 8186
      3291 8176 3302 8159 3303 8151 3301 8150
      3296 8150 3296 8151 3293 8149 3263 8147
      3266 8208 3281 8215
TIME...MOT...LOC 2040Z 273DEG 44KT 3285 8221 

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

ETM
2 follow-up statements
079 
WWUS52 KCHS 282109
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
509 PM EDT Sun Mar 28 2021

GAC165-251-282130-
/O.CON.KCHS.SV.W.0007.000000T0000Z-210328T2130Z/
Screven GA-Jenkins GA-
509 PM EDT Sun Mar 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SCREVEN AND JENKINS COUNTIES...

At 508 PM EDT, a severe thunderstorm was located 7 miles east of
Millen, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and powerlines.

Locations impacted include...
Millen, Sylvania, Hiltonia, Woodcliff, Perkins, Hilltonia, Emmalane,
Millhaven and Burtons Ferry Landing.

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 3292 8208 3292 8195 3295 8186 3291 8176
      3302 8159 3303 8151 3301 8150 3296 8150
      3296 8151 3293 8149 3272 8148 3276 8207
TIME...MOT...LOC 2108Z 269DEG 39KT 3285 8183 

HAIL...<.75IN
WIND...60MPH
 
$$

ETM
595 
WWUS52 KCHS 282124
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
524 PM EDT Sun Mar 28 2021

GAC165-251-282133-
/O.EXP.KCHS.SV.W.0007.000000T0000Z-210328T2130Z/
Screven GA-Jenkins GA-
524 PM EDT Sun Mar 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR SCREVEN AND JENKINS COUNTIES
WILL EXPIRE AT 530 PM EDT...
        
The storm which prompted the warning has weakened below severe 
limits and is exiting the warned area. Therefore the warning will be 
allowed to expire.

LAT...LON 3292 8208 3292 8195 3295 8186 3291 8176
      3302 8159 3303 8151 3301 8150 3296 8150
      3296 8151 3293 8149 3272 8148 3276 8207
TIME...MOT...LOC 2123Z 273DEG 44KT 3284 8161 

$$

ETM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 7:40 PM EDTSpecial Weather StatementCHSLong35 min
Mar 28, 7:56 PM EDTSevere Thunderstorm WarningCHSLong21 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.