Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Tallahassee, FL

February 9, 20214 counties in Georgia; Jackson County, Florida; Houston County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 9, 2021, 8:28 AM EST for 4 counties in Georgia; Jackson County, Florida; Houston County, Alabama. It was in force for 47 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
Feb 9, 2021, 8:28 AM EST (13:28 UTC)
Expired
Feb 9, 2021, 9:15 AM EST
In force
47 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Houston County, AL, Jackson County, FL, Baker County, GA, Decatur County, GA, Miller County, GA, Seminole County, GA

The radar

The Tallahassee radar (KTLH), 81 km from the middle of the area, began a volume at 13:31 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, 1.5 hours before the alert went out and 82 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 2021-02-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 59 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 2021-02-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939587897Sfc1 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
59 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.1

Open this sounding in Storm Lab

The text

As transmitted.

772 
WUUS52 KTAE 091328
SVRTAE
ALC069-FLC063-GAC007-087-201-253-091415-
/O.NEW.KTAE.SV.W.0010.210209T1328Z-210209T1415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
828 AM EST Tue Feb 9 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Southeastern Houston County in southeastern Alabama...
  Northeastern Jackson County in the Panhandle of Florida...
  Northern Decatur County in southwestern Georgia...
  Southern Miller County in southwestern Georgia...
  Southwestern Baker County in southwestern Georgia...
  Seminole County in southwestern Georgia...

* Until 915 AM EST/815 AM CST/.

* At 828 AM EST/728 AM CST/, a severe thunderstorm was located 13
  miles southwest of Donalsonville, moving east at 35 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Bainbridge, Donalsonville, West Bainbridge, Malone, Greenwood, Iron
  City, Brinson, Bascom, Hanover, Ausmac, Babcock, Reynoldsville,
  Little Hope, Decatur Co A/P, Lovedale, Boykin, Riverturn,
  Sharphagen, Hornsville and Donaldsonville A/P.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3100 8448 3084 8450 3085 8516 3102 8516
      3107 8495 3107 8489 3109 8489 3117 8454
TIME...MOT...LOC 1328Z 263DEG 32KT 3093 8506 

HAIL...1.00IN
WIND...<50MPH
 
$$

21-WD
2 follow-up statements
862 
WWUS52 KTAE 091350
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
850 AM EST Tue Feb 9 2021

ALC069-FLC063-091400-
/O.CAN.KTAE.SV.W.0010.000000T0000Z-210209T1415Z/
Houston AL-Jackson FL-
850 AM EST Tue Feb 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HOUSTON AND
NORTHEASTERN JACKSON COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3100 8448 3085 8450 3084 8450 3084 8483
      3089 8488 3094 8491 3103 8489 3105 8483
      3112 8452
TIME...MOT...LOC 1350Z 266DEG 36KT 3094 8479 

$$

GAC007-087-201-253-091415-
/O.CON.KTAE.SV.W.0010.000000T0000Z-210209T1415Z/
Decatur GA-Miller GA-Baker GA-Seminole GA-
850 AM EST Tue Feb 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM EST
FOR NORTHERN DECATUR...SOUTHEASTERN MILLER...SOUTHERN BAKER AND
NORTHEASTERN SEMINOLE COUNTIES...

At 850 AM EST, a severe thunderstorm was located 8 miles southeast of
Donalsonville, moving east at 40 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Bainbridge, Donalsonville, West Bainbridge, Iron City, Brinson,
Desser, Hanover, Ausmac, Reynoldsville, Davis Park, Lela, Eldorendo,
Decatur Co A/P, Steinham Store, Cyrene, Sharphagen and Donaldsonville
A/P.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3100 8448 3085 8450 3084 8450 3084 8483
      3089 8488 3094 8491 3103 8489 3105 8483
      3112 8452
TIME...MOT...LOC 1350Z 266DEG 36KT 3094 8479 

HAIL...1.00IN
WIND...<50MPH
 
$$

21-WD
678 
WWUS52 KTAE 091406
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
906 AM EST Tue Feb 9 2021

GAC007-087-201-253-091416-
/O.EXP.KTAE.SV.W.0010.000000T0000Z-210209T1415Z/
Decatur GA-Miller GA-Baker GA-Seminole GA-
906 AM EST Tue Feb 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN DECATUR...
SOUTHEASTERN MILLER...SOUTHWESTERN BAKER AND NORTHEASTERN SEMINOLE
COUNTIES WILL EXPIRE AT 915 AM EST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small hail
is still possible with this thunderstorm.

LAT...LON 3100 8448 3085 8450 3084 8450 3084 8483
      3089 8488 3094 8491 3103 8489 3105 8483
      3112 8452
TIME...MOT...LOC 1406Z 263DEG 32KT 3095 8465 

$$

21-WD

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 9, 7:31 AM ESTSpecial Weather StatementTAESeminole44 min
Feb 9, 8:12 AM ESTSpecial Weather StatementTAEDecatur, Miller, Seminole48 min
Feb 9, 8:35 AM ESTSpecial Weather StatementTAEBerrien, Irwin, Tift40 min
Feb 9, 9:10 AM ESTSpecial Weather StatementTAEDecatur, Grady50 min
Feb 9, 10:25 AM ESTSpecial Weather StatementTAEDecatur, Grady, Thomas50 min
Feb 9, 6:21 PM ESTDense Fog AdvisoryTAEBaker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more17 hr
Feb 9, 6:46 AM ESTSpecial Weather StatementTAEHolmes, Walton44 min
Feb 9, 7:43 AM ESTSpecial Marine WarningTAE2 hr
Feb 9, 9:17 AM ESTSpecial Weather StatementTAEBay, Calhoun43 min
Feb 9, 9:41 AM ESTSpecial Marine WarningTAE2 hr
Feb 9, 10:01 AM ESTSpecial Weather StatementTAELiberty44 min
Feb 9, 10:43 AM ESTSpecial Weather StatementTAELeon, Liberty, Wakulla62 min
Feb 9, 3:21 PM ESTMarine Dense Fog AdvisoryTAE3 days
Feb 9, 2:16 AM ESTSpecial Weather StatementTAEGeneva29 min
Feb 9, 5:14 AM ESTSpecial Weather StatementTAEHouston31 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021Severe Thunderstorm Warnings in Florida, 2021Severe Thunderstorm Warnings in Alabama, 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.