Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 181, NWS Tallahassee, FL

July 2, 2021Holmes County, Walton County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 2, 2021, 3:35 PM CDT for Holmes County, Walton County, Florida. It was in force for 25 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
Jul 2, 2021, 3:35 PM CDT (20:35 UTC)
Expired
Jul 2, 2021, 4:00 PM CDT
In force
25 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Holmes County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 23 km from the middle of the area, began a volume at 20:38 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, 8.6 hours before the alert went out and 155 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 2021-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 258 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 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
258 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
627 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

325 
WUUS52 KTAE 022035
SVRTAE
FLC059-131-022100-
/O.NEW.KTAE.SV.W.0181.210702T2035Z-210702T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
335 PM CDT Fri Jul 2 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Central Walton County in the Panhandle of Florida...
  Western Holmes County in the Panhandle of Florida...

* Until 400 PM CDT.

* At 334 PM CDT, a severe thunderstorm was located over De Funiak
  Springs, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  De Funiak Springs, Eglin Air Force Base, Union, Liberty, Ponce De
  Leon, Caryville, Westville, Oakwood Hills, Alpine Heights,
  Cerrogordo, Gritney, Arrant Settlement, De Funiak Spring Airport,
  Pleasant Ridge, Center Ridge, Hickory Hill, Izagora, Piney Grove,
  Argyle and Douglass Crossroad.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3095 8579 3075 8573 3075 8574 3077 8574
      3078 8575 3079 8575 3079 8582 3077 8583
      3072 8583 3068 8587 3066 8587 3060 8626
      3080 8632
TIME...MOT...LOC 2034Z 255DEG 32KT 3073 8615 

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

AH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 12:59 PM CDTSpecial Weather StatementTAELeon46 min
Jul 2, 2:36 PM CDTSpecial Weather StatementTAEHolmes, Walton39 min
Jul 2, 3:11 PM CDTSpecial Weather StatementTAEHolmes49 min
Jul 2, 3:15 PM CDTSpecial Weather StatementTAEWalton45 min
Jul 2, 4:01 PM CDTSpecial Weather StatementTAEWalton, Washington44 min
Jul 2, 4:31 PM CDTSpecial Marine WarningTAE119 min
Jul 2, 4:42 PM CDTSpecial Weather StatementTAEJackson48 min
Jul 2, 4:55 PM CDTSpecial Weather StatementTAECalhoun, Washington50 min
Jul 2, 5:35 PM CDTSpecial Weather StatementTAEGadsden, Leon40 min
Jul 2, 5:49 PM CDTSpecial Weather StatementTAEWashington41 min
Jul 2, 6:07 PM CDTSpecial Marine WarningTAE113 min
Jul 2, 6:16 PM CDTSpecial Weather StatementTAEJefferson, Leon44 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.