Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 144, NWS Tallahassee, FL

June 13, 20215 counties in Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 13, 2021, 6:16 PM CDT for 5 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 13, 2021, 6:16 PM CDT (23:16 UTC)
Expired
Jun 13, 2021, 7:00 PM CDT
In force
44 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bay County, FL, Holmes County, FL, Jackson County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 26 km from the middle of the area, began a volume at 23:16 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, 11.3 hours before the alert went out and 131 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 2021-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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 2021-06-13The 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
44 J/kg
Mixed-layer CIN
-277 J/kg
Mixed-layer LCL
1448 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
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

868 
WUUS52 KTAE 132316
SVRTAE
FLC005-059-063-131-133-140000-
/O.NEW.KTAE.SV.W.0144.210613T2316Z-210614T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
616 PM CDT Sun Jun 13 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Southwestern Jackson County in the Panhandle of Florida...
  Northeastern Bay County in the Panhandle of Florida...
  Southeastern Walton County in the Panhandle of Florida...
  South central Holmes County in the Panhandle of Florida...
  Washington County in the Panhandle of Florida...

* Until 700 PM CDT.

* At 615 PM CDT, a severe thunderstorm was located 12 miles southeast
  of Chipley, moving southwest at 15 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Vernon, Bonifay, Bradford, Live Oak, Alford, Wausau, Hinsons
  Crossroads, Whitehead Crossroads, Fountain, Singer Road, Holmes
  Valley, Gainer Spring, Millers Ferry, Bennett, Porter Lake, Smyrna,
  Compass Lake, Sylvania, Johnson Crossroads and Brock Crossroad.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3081 8574 3064 8526 3057 8533 3057 8538
      3050 8539 3037 8551 3051 8588 3053 8589
      3054 8588 3055 8588 3059 8590
TIME...MOT...LOC 2315Z 045DEG 12KT 3061 8544 

HAIL...0.75IN
WIND...60MPH
 
$$
2 follow-up statements
788 
WWUS52 KTAE 132326
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
626 PM CDT Sun Jun 13 2021

FLC059-132334-
/O.CAN.KTAE.SV.W.0144.000000T0000Z-210614T0000Z/
Holmes FL-
626 PM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HOLMES COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3078 8575 3077 8573 3075 8574 3074 8562
      3075 8562 3064 8526 3057 8533 3057 8538
      3050 8539 3037 8551 3051 8588 3053 8589
      3055 8588 3059 8590
TIME...MOT...LOC 2324Z 045DEG 12KT 3059 8547 

$$

FLC005-063-131-133-140000-
/O.CON.KTAE.SV.W.0144.000000T0000Z-210614T0000Z/
Jackson FL-Bay FL-Walton FL-Washington FL-
626 PM CDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHWESTERN JACKSON...NORTHEASTERN BAY...SOUTHEASTERN WALTON AND
WASHINGTON COUNTIES...

At 624 PM CDT, a severe thunderstorm was located 13 miles south of
Chipley, moving southwest at 15 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Vernon, Bradford, Live Oak, Wausau, Whitehead Crossroads, Fountain,
Singer Road, Holmes Valley, Gainer Spring, Millers Ferry, Bennett,
Porter Lake, Smyrna, Compass Lake, Sylvania, Johnson Crossroads,
Brock Crossroad, Betts, Orange Hill and Ridgetop.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3078 8575 3077 8573 3075 8574 3074 8562
      3075 8562 3064 8526 3057 8533 3057 8538
      3050 8539 3037 8551 3051 8588 3053 8589
      3055 8588 3059 8590
TIME...MOT...LOC 2324Z 045DEG 12KT 3059 8547 

HAIL...0.75IN
WIND...60MPH
 
$$
056 
WWUS52 KTAE 132341
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
641 PM CDT Sun Jun 13 2021

FLC063-132351-
/O.CAN.KTAE.SV.W.0144.000000T0000Z-210614T0000Z/
Jackson FL-
641 PM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN JACKSON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3070 8581 3070 8577 3066 8560 3058 8544
      3057 8543 3057 8541 3055 8538 3054 8538
      3050 8539 3037 8551 3051 8588 3053 8589
      3055 8588 3059 8590
TIME...MOT...LOC 2341Z 045DEG 12KT 3055 8552 

$$

FLC005-131-133-140000-
/O.CON.KTAE.SV.W.0144.000000T0000Z-210614T0000Z/
Bay FL-Walton FL-Washington FL-
641 PM CDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHEASTERN BAY...SOUTHEASTERN WALTON AND CENTRAL WASHINGTON
COUNTIES...

At 641 PM CDT, a severe thunderstorm was located 12 miles southeast
of Vernon, moving southwest at 15 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Vernon, Live Oak, Wausau, Betts, Fountain, Singer Road, Greenhead,
Holmes Valley, Gainer Spring, Millers Ferry, Bennett, Porter Lake,
Smyrna, Spring Hollow, Sylvania and Riverside.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3070 8581 3070 8577 3066 8560 3058 8544
      3057 8543 3057 8541 3055 8538 3054 8538
      3050 8539 3037 8551 3051 8588 3053 8589
      3055 8588 3059 8590
TIME...MOT...LOC 2341Z 045DEG 12KT 3055 8552 

HAIL...0.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:45 PM CDTSpecial Marine WarningTAE60 min
Jun 12, 10:02 PM CDTSpecial Marine WarningTAE88 min
Jun 13, 5:40 AM CDTSpecial Weather StatementTAELeon35 min
Jun 13, 10:28 AM CDTRip Current StatementTAEBay, Gulf15 hr
Jun 13, 11:55 AM CDTSpecial Weather StatementTAEDixie35 min
Jun 13, 12:15 PM CDTSpecial Weather StatementTAELafayette45 min
Jun 13, 1:39 PM CDTSpecial Weather StatementTAEWakulla36 min
Jun 13, 2:44 PM CDTSpecial Marine WarningTAE61 min
Jun 13, 2:51 PM CDTSpecial Marine WarningTAE54 min
Jun 13, 2:53 PM CDTSpecial Weather StatementTAETaylor52 min
Jun 13, 3:07 PM CDTSpecial Weather StatementTAEGulf68 min
Jun 13, 3:16 PM CDTSpecial Marine WarningTAE93 min
Jun 13, 3:41 PM CDTSpecial Marine WarningTAE100 min
Jun 13, 4:11 PM CDTSpecial Marine WarningTAE64 min
Jun 13, 5:04 PM CDTSpecial Weather StatementTAELeon41 min
Jun 13, 5:49 PM CDTSpecial Weather StatementTAEHolmes, Washington41 min
Jun 13, 6:06 PM CDTSpecial Weather StatementTAEWashington24 min
Jun 13, 6:31 PM CDTSpecial Marine WarningTAE59 min
Jun 13, 6:45 PM CDTSevere Thunderstorm WarningTAEBay, Walton, Washington30 min
Jun 13, 6:49 PM CDTSpecial Marine WarningTAE86 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.