Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 197, NWS Tallahassee, FL

July 27, 2021Brooks County, Lowndes County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 27, 2021, 8:45 PM EDT for Brooks County, Lowndes County, Georgia. It was in force for 30 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: Jul 27, 2021, 8:45 PM EDT (00:45 UTC)
Expired: Jul 27, 2021, 9:15 PM EDT
In force: 30 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Brooks County, GA, Lowndes County, GA

The radar

The Moody AFB radar (KVAX), 20 km from the middle of the area, began a volume at 00:45 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 00:00Z, 0.8 hours before the alert went out and 116 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: 554 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 937 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: -66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

769 
WUUS52 KTAE 280045
SVRTAE
GAC027-185-280115-
/O.NEW.KTAE.SV.W.0197.210728T0045Z-210728T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
845 PM EDT Tue Jul 27 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Southern Lowndes County in south central Georgia...
  Southeastern Brooks County in south central Georgia...

* Until 915 PM EDT.

* At 845 PM EDT, a severe thunderstorm was located near I-75 At Exit
  16, or 10 miles west of Lake Park, moving east at 30 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lake Park, Valdosta, I-75 At Exit 16, Dasher, I-75 At Exit 5, Twin
  Lakes, Clyattville, I-75 At Exit 11, Valdosta Regional Airport,
  Kinderlou and Blue Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3083 8309 3083 8310 3080 8310 3080 8313
      3078 8313 3077 8314 3076 8313 3063 8314
      3064 8346 3083 8346 3085 8309
TIME...MOT...LOC 0045Z 264DEG 26KT 3073 8337 

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

21-WD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 8:29 PM EDT	Special Weather Statement	TAE	Lowndes	46 min
Jul 28, 2:34 PM EDT	Heat Advisory	TAE	Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more	28 hr
Jul 28, 5:34 PM EDT	Special Weather Statement	TAE	Ben Hill, Irwin	41 min
Jul 28, 6:14 PM EDT	Special Weather Statement	TAE	Berrien, Cook, Irwin, Tift, Turner	46 min
Jul 28, 6:21 PM EDT	Areal Flood Advisory	TAE	Thomas	114 min
Jul 28, 6:30 PM EDT	Severe Thunderstorm Warning	TAE	Berrien, Cook, Lanier	30 min
Jul 28, 6:40 PM EDT	Special Weather Statement	TAE	Berrien, Colquitt, Cook, Irwin, Tift, Turner	50 min
Jul 28, 6:51 PM EDT	Areal Flood Advisory	TAE	Grady	114 min
Jul 28, 7:00 PM EDT	Severe Thunderstorm Warning	TAE	Berrien, Brooks, Cook, Lanier, Lowndes	45 min
Jul 28, 7:22 PM EDT	Severe Thunderstorm Warning	TAE	Berrien, Brooks, Colquitt, Cook, Thomas, Tift and 1 more	38 min
Jul 28, 7:44 PM EDT	Special Weather Statement	TAE	Baker, Early, Miller	46 min
Jul 28, 7:56 PM EDT	Severe Thunderstorm Warning	TAE	Brooks, Colquitt, Cook, Lowndes, Thomas	34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.