Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 44, NWS Charleston, SC

July 22, 2021Bryan County, Bulloch County, Liberty County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jul 22, 2021, 3:14 PM EDT for Bryan County, Bulloch County, Liberty County, Georgia. It was in force for 10 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
Jul 22, 2021, 3:14 PM EDT (19:14 UTC)
Expired
Jul 22, 2021, 3:24 PM EDT
In force
10 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bryan County, GA, Bulloch County, GA, Liberty County, GA

The radar

The Charleston,SC radar (KCLX), 85 km from the middle of the area, began a volume at 19:16 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

Jacksonville, FL (KJAX), launched 12:00Z, 7.2 hours before the alert went out and 178 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 2021-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1564 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 2021-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.1939Sfc1 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
1564 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
754 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
-16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

863 
WUUS52 KCHS 221914
SVRCHS
GAC029-031-179-221945-
/O.NEW.KCHS.SV.W.0044.210722T1914Z-210722T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
314 PM EDT Thu Jul 22 2021

The National Weather Service in Charleston has issued a

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

* Until 345 PM EDT.

* At 314 PM EDT, a severe thunderstorm was located over Pembroke,
  moving south at 25 mph.

  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...
  Pembroke, Lanier and Bay. 

This warning includes I-16 between mile markers 131 and 139.
 
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 3207 8174 3209 8172 3210 8173 3223 8170
      3225 8153 3201 8147 3200 8176
TIME...MOT...LOC 1914Z 356DEG 20KT 3218 8162 

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

BRM
1 follow-up statement
514 
WWUS52 KCHS 221924
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
324 PM EDT Thu Jul 22 2021

GAC029-031-179-221933-
/O.CAN.KCHS.SV.W.0044.000000T0000Z-210722T1945Z/
Bryan GA-Liberty GA-Bulloch GA-
324 PM EDT Thu Jul 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF BRYAN...LIBERTY
AND BULLOCH 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.

LAT...LON 3207 8174 3209 8172 3210 8173 3223 8170
      3225 8153 3201 8147 3200 8176
TIME...MOT...LOC 1922Z 356DEG 20KT 3213 8162 

$$

BRM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 3:19 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Effingham41 min
Jul 22, 7:20 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.