Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Charleston, SC

January 27, 20214 counties in Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jan 27, 2021, 12:49 PM EST for 4 counties in Georgia. It was in force for 26 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
Jan 27, 2021, 12:49 PM EST (17:49 UTC)
Expired
Jan 27, 2021, 1:15 PM EST
In force
26 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Charleston,SC radar (KCLX), 78 km from the middle of the area, began a volume at 17:50 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.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 5.8 hours before the alert went out and 174 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 2021-01-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

213 
WUUS52 KCHS 271749
SVRCHS
GAC029-031-109-179-271815-
/O.NEW.KCHS.SV.W.0003.210127T1749Z-210127T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
1249 PM EST Wed Jan 27 2021

The National Weather Service in Charleston has issued a

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

* Until 115 PM EST.

* At 1248 PM EST, a severe thunderstorm was located over Daisy,
  moving northeast at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and powerlines.

* Locations impacted include...
  Pembroke, Lanier, Daisy, Blitchton, Bay, Groveland and Stilson. 

This warning includes I-16 between mile markers 126 and 146.
 
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 3218 8189 3239 8153 3222 8143 3220 8141
      3220 8142 3216 8141 3204 8177 3205 8179
      3206 8183
TIME...MOT...LOC 1748Z 247DEG 50KT 3215 8180 

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

BRM
1 follow-up statement
065 
WWUS52 KCHS 271806
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
106 PM EST Wed Jan 27 2021

GAC029-031-109-179-271815-
/O.EXP.KCHS.SV.W.0003.000000T0000Z-210127T1815Z/
Bryan GA-Evans GA-Liberty GA-Bulloch GA-
106 PM EST Wed Jan 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR BRYAN...EVANS...LIBERTY AND
BULLOCH COUNTIES WILL EXPIRE AT 115 PM EST...
                
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 3218 8189 3239 8153 3222 8143 3220 8141
      3220 8142 3216 8141 3204 8177 3205 8179
      3206 8183
TIME...MOT...LOC 1805Z 247DEG 50KT 3223 8157 

$$

BRM

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 27, 9:12 AM ESTSpecial Weather StatementCHSEffingham33 min
Jan 27, 9:24 AM ESTSevere Thunderstorm WarningCHSChatham, Effingham51 min
Jan 27, 9:46 AM ESTSevere Thunderstorm WarningCHSChatham43 min
Jan 27, 11:11 AM ESTSpecial Weather StatementCHSJenkins19 min
Jan 27, 12:33 PM ESTSpecial Weather StatementCHSEvans, Tattnall27 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.