Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 193, NWS Tallahassee, FL

July 15, 2021Decatur County, Seminole County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 15, 2021, 6:08 PM EDT for Decatur County, Seminole County, Georgia. It was in force for 21 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: Jul 15, 2021, 6:08 PM EDT (22:08 UTC)
Expired: Jul 15, 2021, 6:29 PM EDT
In force: 21 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Decatur County, GA, Seminole County, GA

The radar

The Tallahassee radar (KTLH), 78 km from the middle of the area, began a volume at 22:08 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

Time	Report	Where	Remark
Jul 15, 6:10 PM EDT	TSTM WND DMG	1 N Donalsonville, GA	REPORTS OF TREES AND POWER LINES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.1 hours before the alert went out and 79 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 977 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 911 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

823 
WUUS52 KTAE 152208
SVRTAE
GAC087-253-152300-
/O.NEW.KTAE.SV.W.0193.210715T2208Z-210715T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
608 PM EDT Thu Jul 15 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Decatur County in southwestern Georgia...
  Seminole County in southwestern Georgia...

* Until 700 PM EDT.

* At 608 PM EDT, severe thunderstorms were located along a line
  extending from 7 miles west of Donalsonville to 10 miles northeast
  of West Bainbridge, moving southeast at 15 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Donalsonville, Bainbridge, West Bainbridge, Iron City, Climax,
  Brinson, Steam Mill, Desser, Hanover, Ausmac, Reynoldsville, Davis
  Park, Little Hope, Lela, Eldorendo, Decatur Co A/P, Steinham Store,
  Drakes Still, Cyrene and Riverturn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tallahassee.

&&

LAT...LON 3104 8438 3083 8438 3080 8491 3083 8494
      3084 8493 3088 8493 3093 8498 3096 8498
      3097 8500 3101 8500 3103 8501 3105 8501
      3107 8502 3107 8465 3108 8465 3108 8444
TIME...MOT...LOC 2208Z 310DEG 12KT 3100 8500 3103 8447 

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

42-DVD

1 follow-up statement

696 
WWUS52 KTAE 152229
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
629 PM EDT Thu Jul 15 2021

GAC087-253-152239-
/O.CAN.KTAE.SV.W.0193.000000T0000Z-210715T2300Z/
Decatur GA-Seminole GA-
629 PM EDT Thu Jul 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR DECATUR AND SEMINOLE COUNTIES
IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.

LAT...LON 3104 8438 3083 8438 3080 8491 3083 8494
      3084 8493 3088 8493 3093 8498 3096 8498
      3097 8500 3101 8500 3103 8501 3105 8501
      3107 8502 3107 8465 3108 8465 3108 8444
TIME...MOT...LOC 2228Z 310DEG 12KT 3096 8494 3098 8441 

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 2:18 PM EDT	Special Weather Statement	TAE	Clay	27 min
Jul 15, 3:29 PM EDT	Special Weather Statement	TAE	Turner	46 min
Jul 15, 3:36 PM EDT	Severe Thunderstorm Warning	TAE	Turner	39 min
Jul 15, 3:41 PM EDT	Special Weather Statement	TAE	Early	34 min
Jul 15, 4:12 PM EDT	Special Weather Statement	TAE	Worth	33 min
Jul 15, 4:12 PM EDT	Special Weather Statement	TAE	Worth	33 min
Jul 15, 4:18 PM EDT	Special Weather Statement	TAE	Calhoun, Early	42 min
Jul 15, 4:35 PM EDT	Special Weather Statement	TAE	Mitchell	40 min
Jul 15, 5:01 PM EDT	Special Weather Statement	TAE	Miller, Mitchell	44 min
Jul 15, 5:04 PM EDT	Areal Flood Advisory	TAE	Worth	56 min
Jul 15, 5:23 PM EDT	Areal Flood Advisory	TAE	Baker, Decatur, Early, Miller, Mitchell, Seminole	112 min
Jul 15, 5:48 PM EDT	Flash Flood Warning	TAE	Baker, Decatur, Early, Miller, Mitchell, Seminole	117 min
Jul 15, 5:57 PM EDT	Special Weather Statement	TAE	Colquitt, Thomas	48 min
Jul 15, 6:49 PM EDT	Special Weather Statement	TAE	Grady	41 min
Jul 15, 7:32 PM EDT	Areal Flood Advisory	TAE	Grady	118 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021 Every 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.