Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 200, NWS Tallahassee, FL

July 28, 20215 counties in Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 28, 2021, 7:00 PM EDT for 5 counties in Georgia. It was in force for 45 min. 2 reports 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 28, 2021, 7:00 PM EDT (23:00 UTC)
Expired: Jul 28, 2021, 7:45 PM EDT
In force: 45 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Berrien County, GA, Brooks County, GA, Cook County, GA, Lanier County, GA, Lowndes County, GA

The radar

The Moody AFB radar (KVAX), 16 km from the middle of the area, began a volume at 23:00 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 28, 7:00 PM EDT	TSTM WND DMG	1 N Nashville, GA	NUMEROUS TREES AND POWERLINES DOWN ACROSS BERRIEN COUNTY.
Jul 28, 7:41 PM EDT	TSTM WND DMG	2 E Cecil, GA	TREE DOWN ON FELLOWSHIP ROAD. TIME ESTIMATED BY RADAR.

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, 11.0 hours before the alert went out and 124 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: 679 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 861 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

597 
WUUS52 KTAE 282300
SVRTAE
GAC019-027-075-173-185-282345-
/O.NEW.KTAE.SV.W.0200.210728T2300Z-210728T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
700 PM EDT Wed Jul 28 2021

The National Weather Service in Tallahassee has issued a

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

* Until 745 PM EDT.

* At 700 PM EDT, Doppler radar indicated a severe thunderstorm
  capable of producing damaging winds in excess of 60 mph. This storm
  was located over Ray City, or 7 miles southeast of Nashville, and
  moving southwest at 35 mph. Penny size hail may also accompany the
  damaging winds.

* Locations impacted include...
  Lake Park, Nashville, Lakeland, Adel, Quitman, Valdosta, Hahira,
  Sparks, Ray City, I-75 At Exit 16, Moody Air Force Base, Remerton,
  Meigs, Dasher, Morven, Cecil, Barretts, New Lois, Massee and
  Greggs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Severe thunderstorms produce damaging winds, destructive hail, deadly
lightning and very heavy rain. For your protection, move to an
interior room on the lowest floor of your home or business. Heavy
rains flood roads quickly so do not drive into areas where water
covers the road.

&&

LAT...LON 3085 8301 3085 8309 3080 8310 3080 8313
      3063 8314 3065 8362 3100 8362 3130 8330
      3121 8305 3118 8305 3118 8297 3087 8297
TIME...MOT...LOC 2300Z 025DEG 32KT 3110 8318 

$$

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 27, 8:45 PM EDT	Severe Thunderstorm Warning	TAE	Brooks, Lowndes	30 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, 7:22 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.