Alert archive / Georgia / Tornado Warnings in 2023

Tornado Warning 7, NWS Charleston, SC

August 30, 20234 counties in Georgia

NWS Charleston, SC issued this tornado warning at Aug 30, 2023, 10:02 AM EDT for 4 counties in Georgia. It was in force for 17 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
Aug 30, 2023, 10:02 AM EDT (14:02 UTC)
Expired
Aug 30, 2023, 10:19 AM EDT
In force
17 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Bryan County, GA, Chatham County, GA, Effingham County, GA, Liberty County, GA

The radar

The Charleston,SC radar (KCLX), 81 km from the middle of the area, began a volume at 14:00 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.

IssuedProductOfficeLasted
Aug 30, 5:38 AM EDTTornado WatchSPC12 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 2.0 hours before the alert went out and 168 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 12:00Z on 2023-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 888 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 12:00Z on 2023-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 square meters per square second.19395878Sfc1 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
888 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
421 m²/s²
Significant tornado parameter
1.8
Supercell composite
16.2

Open this sounding in Storm Lab

The text

As transmitted.

021 
WFUS52 KCHS 301402
TORCHS
GAC029-051-103-179-301430-
/O.NEW.KCHS.TO.W.0007.230830T1402Z-230830T1430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
1002 AM EDT Wed Aug 30 2023

The National Weather Service in Charleston has issued a

* Tornado Warning for portions of...
  Bryan County in southeastern Georgia...
  Liberty County in southeastern Georgia...
  Effingham County in southeastern Georgia...
  Chatham County in southeastern Georgia...

* Until 1030 AM EDT.
    
* At 1001 AM EDT, a severe thunderstorm capable of producing a
  tornado was located near Richmond Hill, moving north at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include:
  Pooler, Richmond Hill, Pembroke, Lanier, Bloomingdale, Eden,
  Meldrim, and Ellabell.

This warning includes the following interstates:
 I-16 between mile markers 143 and 154.
 I-95 in Georgia between mile markers 84 and 92.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

Tornadoes from tropical storms or hurricanes can form and move very
quickly. TAKE COVER IMMEDIATELY! If you wait until you hear a tornado
it could be too late. Take action now to immediately protect
yourself.

&&

LAT...LON 3186 8132 3186 8148 3218 8163 3220 8129
TIME...MOT...LOC 1401Z 166DEG 35KT 3192 8141 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

BRM
2 follow-up statements
266 
WWUS52 KCHS 301414
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
1014 AM EDT Wed Aug 30 2023

GAC179-301424-
/O.CAN.KCHS.TO.W.0007.000000T0000Z-230830T1430Z/
Liberty GA-
1014 AM EDT Wed Aug 30 2023

...THE TORNADO WARNING FOR PORTIONS OF LIBERTY COUNTY IS CANCELLED...
    
The immediate risk for tornadoes has ended. 

A Tornado Watch remains in effect until 300 PM EDT for southeastern
Georgia.

LAT...LON 3220 8129 3196 8133 3196 8147 3197 8148
      3196 8149 3196 8150 3197 8151 3218 8163
TIME...MOT...LOC 1414Z 166DEG 35KT 3205 8145 

$$

GAC029-051-103-301430-
/O.CON.KCHS.TO.W.0007.000000T0000Z-230830T1430Z/
Bryan GA-Effingham GA-Chatham GA-
1014 AM EDT Wed Aug 30 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT FOR PORTIONS
OF BRYAN...EFFINGHAM AND CHATHAM COUNTIES...
    
At 1014 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Ellabell, moving north at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include: 
Pembroke, Lanier, Bloomingdale, Eden, Meldrim, and Ellabell. 

This warning includes I-16 between mile markers 143 and 154.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3220 8129 3196 8133 3196 8147 3197 8148
      3196 8149 3196 8150 3197 8151 3218 8163
TIME...MOT...LOC 1414Z 166DEG 35KT 3205 8145 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

BRM
781 
WWUS52 KCHS 301419
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
1019 AM EDT Wed Aug 30 2023

GAC029-051-103-301429-
/O.CAN.KCHS.TO.W.0007.000000T0000Z-230830T1430Z/
Bryan GA-Effingham GA-Chatham GA-
1019 AM EDT Wed Aug 30 2023

...THE TORNADO WARNING FOR PORTIONS OF BRYAN...EFFINGHAM AND CHATHAM
COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 300 PM EDT for southeastern
Georgia.

LAT...LON 3220 8129 3196 8133 3196 8147 3197 8148
      3196 8149 3196 8150 3197 8151 3218 8163
TIME...MOT...LOC 1418Z 166DEG 35KT 3210 8146 

$$

BRM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 2:28 AM EDTRiver Flood WarningCHSScreven7 hr
Aug 30, 5:14 AM EDTHurricane WarningCHSEvans, Long, Tattnall12 hr
Aug 30, 5:20 AM EDTStorm Surge WarningCHS21 hr
Aug 30, 9:24 AM EDTTornado WarningCHSLiberty, McIntosh8 min
Aug 30, 9:51 AM EDTRiver Flood WarningCHSTattnall, Toombs5 days
Aug 30, 10:27 AM EDTTornado WarningCHSBryan, Chatham33 min
Aug 30, 11:01 AM EDTRiver Flood WarningCHSScreven21 days
Aug 30, 11:16 AM EDTRiver Flood WarningCHSEvans21 days
Aug 30, 2:06 PM EDTAreal Flood AdvisoryCHSTattnall114 min
Aug 30, 2:19 PM EDTTornado WarningCHSBulloch26 min
Aug 30, 2:32 PM EDTAreal Flood AdvisoryCHSBryan, Bulloch, Candler, Evans, Jenkins, Screven and 1 more88 min
Aug 30, 3:13 PM EDTFlash Flood Warning Considerable damage threatCHSBryan, Bulloch, Candler, Evans, Liberty, Long and 1 more4 hr
Aug 30, 3:54 PM EDTAreal Flood AdvisoryCHSBulloch, Candler, Effingham, Jenkins, Screven5 hr
Aug 30, 4:46 PM EDTTornado WarningCHSEffingham, Screven29 min
Aug 30, 4:47 PM EDTFlash Flood Warning Considerable damage threatCHSBulloch, Candler, Effingham, Jenkins, Screven3 hr
Aug 30, 6:52 PM EDTAreal Flood WarningCHSBryan, Bulloch, Candler, Evans, Liberty, Long and 1 more9 hr
Aug 30, 7:52 PM EDTAreal Flood WarningCHSBulloch, Candler, Effingham, Jenkins, Screven6 hr

Nearby

Tornado Warnings in Georgia, 2023Every tornado warning in 2023Tornadoes in 2023

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.