Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 22, NWS Jacksonville, FL

March 28, 20215 counties in Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Mar 28, 2021, 7:06 PM EDT for 5 counties in Georgia. It was in force for 39 min. 1 report 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
Mar 28, 2021, 7:06 PM EDT (23:06 UTC)
Expired
Mar 28, 2021, 7:45 PM EDT
In force
39 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Appling County, GA, Bacon County, GA, Coffee County, GA, Jeff Davis County, GA, Wayne County, GA

The radar

The Moody AFB radar (KVAX), 105 km from the middle of the area, began a volume at 23:09 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
Mar 28, 7:25 PM EDTTSTM WND GST 432 Wsw Alma, GAASOS STATION KAMG ALMA.

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 12:00Z, 11.1 hours before the alert went out and 141 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 2021-03-28Temperature 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, Jacksonville, FL at 12:00Z on 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
198 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

409 
WUUS52 KJAX 282306
SVRJAX
GAC001-005-069-161-305-282345-
/O.NEW.KJAX.SV.W.0022.210328T2306Z-210328T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
706 PM EDT Sun Mar 28 2021

The National Weather Service in Jacksonville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Coffee County in southeastern Georgia...
  Bacon County in southeastern Georgia...
  West central Wayne County in southeastern Georgia...
  Southern Jeff Davis County in southeastern Georgia...
  Appling County in southeastern Georgia...

* Until 745 PM EDT.

* At 706 PM EDT, a severe thunderstorm was located near West Green,
  or 11 miles northwest of Alma, moving east at 45 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Baxley, Alma, Graham, Surrency, Nicholls, West Green, Denton, New
  Lacy and Pine Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3191 8220 3154 8204 3152 8222 3153 8223
      3151 8226 3144 8283 3177 8274
TIME...MOT...LOC 2306Z 259DEG 39KT 3161 8266 

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

CHANEY
1 follow-up statement
027 
WWUS52 KJAX 282322
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
722 PM EDT Sun Mar 28 2021

GAC069-161-282331-
/O.CAN.KJAX.SV.W.0022.000000T0000Z-210328T2345Z/
Coffee GA-Jeff Davis GA-
722 PM EDT Sun Mar 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COFFEE AND
SOUTHERN JEFF DAVIS COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3191 8220 3154 8204 3152 8222 3153 8223
      3151 8226 3147 8260 3156 8260 3167 8257
      3167 8252 3173 8252 3174 8255 3175 8255
      3175 8252 3182 8252 3184 8246 3184 8243
      3185 8243
TIME...MOT...LOC 2321Z 259DEG 39KT 3164 8246 

$$

GAC001-005-305-282345-
/O.CON.KJAX.SV.W.0022.000000T0000Z-210328T2345Z/
Bacon GA-Wayne GA-Appling GA-
722 PM EDT Sun Mar 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR BACON...WEST CENTRAL WAYNE AND APPLING COUNTIES...

At 721 PM EDT, a severe thunderstorm was located near Alma, moving
east at 45 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Baxley, Alma, Graham, Surrency, New Lacy and Pine Grove. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3191 8220 3154 8204 3152 8222 3153 8223
      3151 8226 3147 8260 3156 8260 3167 8257
      3167 8252 3173 8252 3174 8255 3175 8255
      3175 8252 3182 8252 3184 8246 3184 8243
      3185 8243
TIME...MOT...LOC 2321Z 259DEG 39KT 3164 8246 

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

CHANEY

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 28, 6:16 PM EDTSpecial Weather StatementJAXAtkinson, Coffee, Jeff Davis44 min
Mar 28, 6:37 PM EDTSpecial Weather StatementJAXBacon, Coffee, Jeff Davis38 min
Mar 28, 7:11 PM EDTSpecial Weather StatementJAXAtkinson49 min
Mar 28, 7:39 PM EDTSevere Thunderstorm WarningJAXAppling, Wayne24 min
Mar 28, 7:57 PM EDTSpecial Weather StatementJAXAtkinson, Clinch, Pierce, Ware48 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.