Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 152, NWS Tallahassee, FL

June 15, 20214 counties in Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 15, 2021, 2:56 PM CDT for 4 counties in Florida. It was in force for 49 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
Jun 15, 2021, 2:56 PM CDT (19:56 UTC)
Expired
Jun 15, 2021, 3:45 PM CDT
In force
49 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bay County, FL, Calhoun County, FL, Gulf County, FL, Liberty County, FL

The radar

The Eglin Afb radar (KEVX), 78 km from the middle of the area, began a volume at 19:56 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

TimeReportWhereRemark
Jun 15, 3:23 PM CDTMARINE TSTM WIND 414 Se Tyndall Afb, FLAWOS STATION KTDR 4 SE TYNDALL AFB.
Jun 15, 3:30 PM CDTTSTM WND DMG6 Ese Overstreet, FLREPORT OF TREES DOWN IN NORTHERN GULF COUNTY.

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, 7.9 hours before the alert went out and 118 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 2021-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2073 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 2021-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939Sfc1 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
2073 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

210 
WUUS52 KTAE 151956
SVRTAE
FLC005-013-045-077-152045-
/O.NEW.KTAE.SV.W.0152.210615T1956Z-210615T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
356 PM EDT Tue Jun 15 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northern Gulf County in the Panhandle of Florida...
  Southeastern Bay County in the Panhandle of Florida...
  Southwestern Calhoun County in the Panhandle of Florida...
  Southwestern Liberty County in Big Bend of Florida...

* Until 445 PM EDT/345 PM CDT/.

* At 356 PM EDT/256 PM CDT/, a severe thunderstorm was located near
  Callaway, moving southeast at 25 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Callaway, Springfield, Mexico Beach, Stonemill Creek, Tyndall Air
  Force Base, Wewahitchka, Honeyville, Allanton, College Station,
  Bayou George, Overstreet, Davis Beach, Brannonville, Willis
  Landing, Wetappo, Majette, Beacon Hill, Dalkeith and Saint Joe
  Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

&&

LAT...LON 2988 8549 2992 8555 3024 8561 3033 8541
      3000 8501 2980 8549
TIME...MOT...LOC 1956Z 333DEG 23KT 3013 8547 

HAIL...1.00IN
WIND...60MPH
 
$$

72-BUNKER
1 follow-up statement
686 
WWUS52 KTAE 152025
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
425 PM EDT Tue Jun 15 2021

FLC005-013-045-077-152045-
/O.CON.KTAE.SV.W.0152.000000T0000Z-210615T2045Z/
Gulf FL-Bay FL-Calhoun FL-Liberty FL-
425 PM EDT Tue Jun 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM
EDT/345 PM CDT/ FOR NORTHERN GULF...SOUTHEASTERN BAY...SOUTHERN
CALHOUN COUNTIES IN THE PANHANDLE OF FLORIDA AND SOUTHWESTERN LIBERTY
COUNTIES IN BIG BEND OF FLORIDA...

At 425 PM EDT/325 PM CDT/, a severe thunderstorm was located over
Mexico Beach, or 11 miles northwest of Port St. Joe, moving southeast
at 25 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Callaway, Mexico Beach, Stonemill Creek, Tyndall Air Force Base,
Wewahitchka, Honeyville, Allanton, Overstreet, Davis Beach, Willis
Landing, Wetappo, Beacon Hill, Dalkeith and Saint Joe Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 2988 8549 2992 8555 3013 8559 3023 8529
      3000 8501 2980 8549
TIME...MOT...LOC 2025Z 333DEG 23KT 2996 8537 

HAIL...1.00IN
WIND...60MPH
 
$$

72-BUNKER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 2:44 AM CDTSpecial Weather StatementTAEWashington31 min
Jun 15, 6:53 AM CDTSpecial Marine WarningTAE37 min
Jun 15, 11:04 AM CDTRip Current StatementTAEGulf36 hr
Jun 15, 12:55 PM CDTSpecial Weather StatementTAEBay50 min
Jun 15, 12:58 PM CDTSpecial Weather StatementTAEJefferson47 min
Jun 15, 1:20 PM CDTSevere Thunderstorm WarningTAECalhoun, Franklin, Gulf, Liberty25 min
Jun 15, 1:20 PM CDTSevere Thunderstorm WarningTAECalhoun, Franklin, Gulf, Liberty25 min
Jun 15, 1:33 PM CDTSpecial Weather StatementTAEBay, Calhoun, Walton42 min
Jun 15, 1:34 PM CDTSpecial Weather StatementTAELafayette41 min
Jun 15, 1:43 PM CDTSevere Thunderstorm WarningTAECalhoun, Franklin, Gulf, Liberty62 min
Jun 15, 1:50 PM CDTSevere Thunderstorm WarningTAEBay, Walton, Washington55 min
Jun 15, 1:54 PM CDTSpecial Weather StatementTAELeon36 min
Jun 15, 2:00 PM CDTSpecial Weather StatementTAEJefferson45 min
Jun 15, 2:07 PM CDTSpecial Weather StatementTAEWakulla38 min
Jun 15, 2:14 PM CDTSpecial Marine WarningTAE61 min
Jun 15, 2:15 PM CDTSpecial Weather StatementTAEWalton45 min
Jun 15, 2:16 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun59 min
Jun 15, 2:26 PM CDTSpecial Weather StatementTAEWakulla49 min
Jun 15, 2:31 PM CDTSpecial Marine WarningTAE59 min
Jun 15, 2:41 PM CDTSpecial Marine WarningTAE2 hr
Jun 15, 2:44 PM CDTSevere Thunderstorm WarningTAEFranklin, Jefferson, Leon, Liberty, Wakulla61 min
Jun 15, 2:51 PM CDTSpecial Weather StatementTAEBay, Gulf39 min
Jun 15, 3:02 PM CDTSpecial Weather StatementTAEMadison43 min
Jun 15, 3:12 PM CDTSpecial Marine WarningTAE2 hr
Jun 15, 3:17 PM CDTSpecial Weather StatementTAEJefferson43 min
Jun 15, 3:24 PM CDTSevere Thunderstorm WarningTAEBay, Franklin, Gulf51 min
Jun 15, 3:43 PM CDTSevere Thunderstorm WarningTAEJefferson, Madison77 min
Jun 15, 4:26 PM CDTSpecial Marine WarningTAE94 min
Jun 15, 4:32 PM CDTSpecial Marine WarningTAE88 min
Jun 15, 5:19 PM CDTSpecial Weather StatementTAELafayette26 min
Jun 15, 5:34 PM CDTSevere Thunderstorm WarningTAELafayette41 min
Jun 15, 5:40 PM CDTSpecial Marine WarningTAE95 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.