Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 169, NWS Tallahassee, FL

June 22, 20214 counties in Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 22, 2021, 7:16 AM EDT for 4 counties in Florida. It was in force for 44 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
Jun 22, 2021, 7:16 AM EDT (11:16 UTC)
Expired
Jun 22, 2021, 8:00 AM EDT
In force
44 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Gadsden County, FL, Leon County, FL, Liberty County, FL, Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 36 km from the middle of the area, began a volume at 11:19 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, 11.3 hours before the alert went out and 39 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 00:00Z on 2021-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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 00:00Z on 2021-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.193958Sfc1 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
82 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
1077 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

517 
WUUS52 KTAE 221116
SVRTAE
FLC039-073-077-129-221200-
/O.NEW.KTAE.SV.W.0169.210622T1116Z-210622T1200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
716 AM EDT Tue Jun 22 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northwestern Wakulla County in Big Bend of Florida...
  South central Gadsden County in Big Bend of Florida...
  Central Liberty County in Big Bend of Florida...
  Southwestern Leon County in Big Bend of Florida...

* Until 800 AM EDT.

* At 716 AM EDT, a severe thunderstorm was located 19 miles south of
  Greensboro, or 20 miles southeast of Blountstown, moving east at 45
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Telogia, Lake Talquin, Bloxham, Brown House, Fort Braden and Clio. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3021 8485 3036 8483 3048 8444 3020 8444
TIME...MOT...LOC 1116Z 264DEG 40KT 3029 8475 

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

25-CAMP
1 follow-up statement
134 
WWUS52 KTAE 221155
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
755 AM EDT Tue Jun 22 2021

FLC039-073-077-129-221205-
/O.EXP.KTAE.SV.W.0169.000000T0000Z-210622T1200Z/
Wakulla FL-Gadsden FL-Liberty FL-Leon FL-
755 AM EDT Tue Jun 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WAKULLA...SOUTH
CENTRAL GADSDEN...CENTRAL LIBERTY AND SOUTHWESTERN LEON COUNTIES WILL
EXPIRE AT 800 AM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3021 8485 3036 8483 3048 8444 3020 8444
TIME...MOT...LOC 1155Z 264DEG 40KT 3033 8426 

$$

25-CAMP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 10:31 PM EDTSpecial Marine WarningTAE119 min
Jun 21, 11:59 PM EDTSpecial Weather StatementTAEWalton61 min
Jun 22, 1:03 AM EDTSpecial Weather StatementTAEWalton57 min
Jun 22, 1:49 AM EDTSpecial Weather StatementTAEHolmes, Jackson, Walton, Washington86 min
Jun 22, 1:52 AM EDTSpecial Marine WarningTAE83 min
Jun 22, 3:12 AM EDTSpecial Weather StatementTAEBay, Calhoun, Jackson, Washington63 min
Jun 22, 3:16 AM EDTSpecial Marine WarningTAE89 min
Jun 22, 4:10 AM EDTSpecial Weather StatementTAEBay, Calhoun, Gadsden, Jackson, Liberty65 min
Jun 22, 4:44 AM EDTSpecial Marine WarningTAE91 min
Jun 22, 5:16 AM EDTSpecial Weather StatementTAEBay, Calhoun44 min
Jun 22, 5:31 AM EDTSpecial Weather StatementTAELeon44 min
Jun 22, 5:47 AM EDTAreal Flood AdvisoryTAEBay, Calhoun, Gulf, Liberty, Washington118 min
Jun 22, 6:00 AM EDTSpecial Weather StatementTAEBay, Calhoun, Liberty45 min
Jun 22, 6:16 AM EDTSpecial Marine WarningTAE59 min
Jun 22, 6:44 AM EDTSpecial Weather StatementTAELiberty61 min
Jun 22, 6:52 AM EDTSpecial Marine WarningTAE83 min
Jun 22, 7:10 AM EDTSpecial Marine WarningTAE65 min
Jun 22, 7:44 AM EDTSpecial Weather StatementTAELeon46 min
Jun 22, 8:11 AM EDTSpecial Marine WarningTAE64 min
Jun 22, 8:19 AM EDTSpecial Weather StatementTAEJefferson41 min
Jun 22, 9:02 AM EDTSpecial Weather StatementTAEMadison43 min
Jun 22, 9:49 AM EDTSpecial Weather StatementTAETaylor41 min
Jun 22, 10:05 AM EDTAreal Flood AdvisoryTAEBay, Gulf, Liberty3 hr
Jun 22, 10:18 AM EDTSpecial Marine WarningTAE57 min
Jun 22, 10:23 AM EDTSpecial Marine WarningTAE67 min
Jun 22, 10:31 AM EDTSpecial Weather StatementTAETaylor44 min
Jun 22, 1:53 PM EDTSpecial Marine WarningTAE97 min

Nearby

Severe 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.