Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 93, NWS Atlanta, GA

June 11, 2021Chattahoochee County, Muscogee County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 11, 2021, 4:42 PM EDT for Chattahoochee County, Muscogee County, Georgia. It was in force for 33 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
Jun 11, 2021, 4:42 PM EDT (20:42 UTC)
Expired
Jun 11, 2021, 5:15 PM EDT
In force
33 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Chattahoochee County, GA, Muscogee County, GA

The radar

The Atlanta radar (KFFC), 95 km from the middle of the area, began a volume at 20:46 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.7 hours before the alert went out and 97 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, Peachtre/Fal Fld, GA at 12:00Z on 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 180 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, Peachtre/Fal Fld, GA at 12:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
180 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

422 
WUUS52 KFFC 112042
SVRFFC
GAC053-215-112115-
/O.NEW.KFFC.SV.W.0093.210611T2042Z-210611T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
442 PM EDT Fri Jun 11 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Central Muscogee County in west central Georgia...
  Northeastern Chattahoochee County in west central Georgia...

* Until 515 PM EDT.

* At 442 PM EDT, a severe thunderstorm was located over Kenwood, or 7
  miles east of Columbus, moving east at 15 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...
  North Fort Benning, Upatoi, Edgewood, Flat Rock, Highland Park,
  Kenwood, Midland, Eelbeck/West Fort Benning and Vista Terrace.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.

&&

LAT...LON 3259 8492 3259 8491 3258 8491 3257 8469
      3256 8469 3256 8467 3252 8469 3253 8464
      3250 8464 3249 8466 3241 8466 3235 8477
      3247 8495
TIME...MOT...LOC 2042Z 284DEG 12KT 3250 8487 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
008 
WWUS52 KFFC 112101
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
501 PM EDT Fri Jun 11 2021

GAC053-215-112115-
/O.CON.KFFC.SV.W.0093.000000T0000Z-210611T2115Z/
Muscogee GA-Chattahoochee GA-
501 PM EDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR EASTERN MUSCOGEE AND NORTHEASTERN CHATTAHOOCHEE COUNTIES...

At 501 PM EDT, a severe thunderstorm was located near Upatoi, or 14 
miles southwest of Talbotton, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Upatoi, North Fort Benning and Eelbeck/West Fort Benning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3240 8485 3257 8478 3257 8469 3256 8469
      3256 8467 3252 8469 3253 8464 3250 8464
      3249 8466 3241 8466 3235 8477 3236 8478
TIME...MOT...LOC 2101Z 267DEG 20KT 3254 8472 

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

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 2:41 PM EDTSpecial Weather StatementFFCCoweta34 min
Jun 11, 3:08 PM EDTSpecial Weather StatementFFCClayton, Fayette22 min
Jun 11, 3:15 PM EDTSpecial Weather StatementFFCWashington30 min
Jun 11, 3:35 PM EDTSpecial Weather StatementFFCTelfair25 min
Jun 11, 4:15 PM EDTSpecial Weather StatementFFCChattahoochee, Muscogee30 min
Jun 11, 4:41 PM EDTSpecial Weather StatementFFCToombs19 min
Jun 11, 4:48 PM EDTSpecial Weather StatementFFCStewart27 min
Jun 11, 5:04 PM EDTSpecial Weather StatementFFCPutnam26 min
Jun 11, 5:09 PM EDTSpecial Weather StatementFFCMarion, Webster36 min
Jun 11, 5:11 PM EDTSpecial Weather StatementFFCHouston34 min
Jun 11, 5:19 PM EDTSpecial Weather StatementFFCBaldwin26 min
Jun 11, 5:32 PM EDTSpecial Weather StatementFFCWilkinson28 min
Jun 11, 5:40 PM EDTSpecial Weather StatementFFCWashington35 min
Jun 11, 5:51 PM EDTSpecial Weather StatementFFCWilkinson24 min
Jun 11, 6:03 PM EDTSpecial Weather StatementFFCJohnson27 min
Jun 11, 6:15 PM EDTSpecial Weather StatementFFCLaurens30 min
Jun 11, 6:39 PM EDTSpecial Weather StatementFFCJohnson36 min
Jun 11, 7:07 PM EDTSpecial Weather StatementFFCEmanuel23 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.