Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Tallahassee, FL

January 27, 2021Seminole County, Georgia; Jackson County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jan 27, 2021, 8:26 AM EST for Seminole County, Georgia; Jackson County, Florida. It was in force for 34 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
Jan 27, 2021, 8:26 AM EST (13:26 UTC)
Expired
Jan 27, 2021, 9:00 AM EST
In force
34 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Jackson County, FL, Seminole County, GA

The radar

The Ft Rucker radar (KEOX), 67 km from the middle of the area, began a volume at 13:28 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, 1.4 hours before the alert went out and 95 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 2021-01-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 128 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 2021-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
128 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
308 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

896 
WUUS52 KTAE 271326
SVRTAE
FLC063-GAC253-271400-
/O.NEW.KTAE.SV.W.0002.210127T1326Z-210127T1400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
826 AM EST Wed Jan 27 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northeastern Jackson County in the Panhandle of Florida...
  Northwestern Seminole County in southwestern Georgia...

* Until 900 AM EST/800 AM CST/.

* At 826 AM EST/726 AM CST/, a severe thunderstorm was located 8
  miles north of Marianna, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Malone, Greenwood, Bascom, Steam Mill, Haynes, Riverturn, Two Egg,
  Hornsville, Buena Vista and Lovedale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3104 8493 3084 8490 3085 8526 3094 8529
      3100 8507 3100 8500 3102 8500
TIME...MOT...LOC 1326Z 260DEG 30KT 3090 8524 

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

11-MM
1 follow-up statement
262 
WWUS52 KTAE 271357
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
857 AM EST Wed Jan 27 2021

FLC063-GAC253-271406-
/O.EXP.KTAE.SV.W.0002.000000T0000Z-210127T1400Z/
Jackson FL-Seminole GA-
857 AM EST Wed Jan 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JACKSON AND
NORTHWESTERN SEMINOLE COUNTIES WILL EXPIRE AT 900 AM EST/800 AM
CST/...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

Remember, a Tornado Warning still remains in effect for Jackon 
County FL and Seminole County GA until 915 AM EST/815 AM CST. 

LAT...LON 3104 8493 3084 8490 3085 8526 3094 8529
      3100 8507 3100 8500 3102 8500
TIME...MOT...LOC 1356Z 260DEG 30KT 3094 8497 

$$

11-MM

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 27, 8:38 AM ESTTornado WarningTAESeminole37 min
Jan 27, 9:07 AM ESTSevere Thunderstorm WarningTAEDecatur, Seminole38 min
Jan 27, 10:18 AM ESTSevere Thunderstorm WarningTAEDecatur42 min
Jan 27, 10:27 AM ESTSevere Thunderstorm WarningTAEColquitt, Grady, Thomas48 min
Jan 27, 12:19 PM ESTSpecial Weather StatementTAELanier41 min
Jan 26, 7:27 PM ESTAreal Flood AdvisoryTAEFranklin, Gulf3 hr
Jan 26, 7:33 PM ESTSpecial Marine WarningTAE87 min
Jan 26, 9:34 PM ESTMarine Dense Fog AdvisoryTAE15 hr
Jan 27, 1:50 AM ESTSmall Craft AdvisoryTAE38 hr
Jan 27, 8:05 AM ESTSevere Thunderstorm WarningTAEJackson25 min
Jan 27, 8:46 AM ESTSpecial Weather StatementTAECalhoun44 min
Jan 27, 9:16 AM ESTSpecial Weather StatementTAEBay, Washington44 min
Jan 27, 9:27 AM ESTSpecial Weather StatementTAECalhoun63 min
Jan 27, 9:32 AM ESTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson, Liberty43 min
Jan 27, 10:10 AM ESTSpecial Marine WarningTAE3 hr
Jan 27, 10:54 AM ESTSpecial Weather StatementTAEGadsden, Leon66 min
Jan 27, 10:59 AM ESTSevere Thunderstorm WarningTAEGadsden, Leon, Liberty46 min
Jan 27, 11:11 AM ESTSpecial Weather StatementTAEFranklin, Gulf, Liberty, Wakulla49 min
Jan 27, 11:20 AM ESTTornado WarningTAEGadsden, Leon25 min
Jan 27, 11:34 AM ESTTornado WarningTAEGadsden, Jefferson, Leon26 min
Jan 27, 11:50 AM ESTTornado Warning Tornado observedTAEJefferson, Leon40 min
Jan 27, 12:14 PM ESTSpecial Weather StatementTAEFranklin, Liberty46 min
Jan 27, 12:21 PM ESTTornado WarningTAEJefferson, Madison, Taylor39 min
Jan 27, 12:41 PM ESTSpecial Marine WarningTAE3 hr
Jan 27, 12:55 PM ESTSevere Thunderstorm WarningTAEMadison50 min
Jan 27, 2:23 PM ESTSpecial Weather StatementTAEDixie, Lafayette82 min

Nearby

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