Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 228, NWS Tallahassee, FL

August 28, 20215 counties in Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 28, 2021, 5:38 PM EDT for 5 counties in Georgia. It was in force for 37 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 28, 2021, 5:38 PM EDT (21:38 UTC)
Expired
Aug 28, 2021, 6:15 PM EDT
In force
37 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Baker County, GA, Decatur County, GA, Grady County, GA, Miller County, GA, Mitchell County, GA

The radar

The Tallahassee radar (KTLH), 76 km from the middle of the area, began a volume at 21:38 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.6 hours before the alert went out and 76 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, Tallahassee Rgnl, FL at 12:00Z on 2021-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1121 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, Tallahassee Rgnl, FL at 12:00Z on 2021-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
1121 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
686 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

135 
WUUS52 KTAE 282138
SVRTAE
GAC007-087-131-201-205-282215-
/O.NEW.KTAE.SV.W.0228.210828T2138Z-210828T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
538 PM EDT Sat Aug 28 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northeastern Decatur County in southwestern Georgia...
  Northern Grady County in southwestern Georgia...
  Eastern Miller County in southwestern Georgia...
  Southwestern Mitchell County in southwestern Georgia...
  Southwestern Baker County in southwestern Georgia...

* Until 615 PM EDT.

* At 538 PM EDT, a severe thunderstorm was located 9 miles north of
  Cairo, moving northwest at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Cairo, Vada, Babcock, Akridge, Capel, Elpino, Hopeful, Hoggard
  Mill, Harrells Still, Hawkinstown, Peoples Still, Spence,
  Mimsville, Branchville, Cooktown, Elmodel Wma and Bellview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3107 8412 3097 8412 3096 8411 3087 8417
      3108 8467 3126 8464 3136 8446
TIME...MOT...LOC 2138Z 117DEG 34KT 3101 8425 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

01-GONZALEZ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 8:26 PM EDTSpecial Weather StatementTAEBaker, Calhoun, Early, Miller, Seminole49 min
Aug 28, 2:09 PM EDTSpecial Weather StatementTAETurner51 min
Aug 28, 3:45 PM EDTSpecial Weather StatementTAELee, Terrell45 min
Aug 28, 3:56 PM EDTSpecial Weather StatementTAEBrooks, Lowndes49 min
Aug 28, 4:17 PM EDTSpecial Weather StatementTAEColquitt, Dougherty, Mitchell28 min
Aug 28, 4:49 PM EDTSpecial Weather StatementTAEBrooks, Thomas26 min
Aug 28, 5:14 PM EDTSpecial Weather StatementTAELanier, Lowndes46 min
Aug 28, 5:29 PM EDTSpecial Weather StatementTAEGrady46 min
Aug 28, 6:07 PM EDTSpecial Weather StatementTAEEarly, Miller53 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.