Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS Tallahassee, FL

April 24, 2021Holmes County, Walton County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 24, 2021, 8:14 AM CDT for Holmes County, Walton County, Florida. It was in force for 46 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: Apr 24, 2021, 8:14 AM CDT (13:14 UTC)
Expired: Apr 24, 2021, 9:00 AM CDT
In force: 46 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), 24 km from the middle of the area, began a volume at 13:13 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 24, 5:22 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 1.2 hours before the alert went out and 168 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 175 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 544 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 447 m²/s²
0-3 km storm-relative helicity: 570 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

699 
WUUS52 KTAE 241314
SVRTAE
FLC059-131-241400-
/O.NEW.KTAE.SV.W.0071.210424T1314Z-210424T1400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
814 AM CDT Sat Apr 24 2021

The National Weather Service in Tallahassee has issued a

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

* Until 900 AM CDT.

* At 813 AM CDT, a severe thunderstorm was located 7 miles northeast
  of Crestview, moving east at 45 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, Paxton,
  Ponce De Leon, Caryville, Westville, Pond Creek, Oakwood Hills,
  Cluster Springs, Gaskin, Alpine Heights, Cerrogordo, Darlington,
  Gritney, Arrant Settlement, De Funiak Spring Airport, Glendale and
  Pleasant Ridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 PM CDT for the Panhandle
of Florida.

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

&&

LAT...LON 3099 8639 3099 8579 3079 8580 3079 8582
      3072 8583 3068 8587 3066 8587 3063 8592
      3062 8591 3063 8639
TIME...MOT...LOC 1313Z 269DEG 39KT 3083 8648 

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

55-SCHOLL

1 follow-up statement

316 
WWUS52 KTAE 241357
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
857 AM CDT Sat Apr 24 2021

FLC059-131-241406-
/O.EXP.KTAE.SV.W.0071.000000T0000Z-210424T1400Z/
Walton FL-Holmes FL-
857 AM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WALTON AND WESTERN
HOLMES COUNTIES WILL EXPIRE AT 900 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 200 PM CDT for the Panhandle
of Florida.

LAT...LON 3099 8639 3099 8579 3079 8580 3079 8582
      3072 8583 3068 8587 3066 8587 3063 8592
      3062 8591 3063 8639
TIME...MOT...LOC 1356Z 269DEG 39KT 3084 8595 

$$

55-SCHOLL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 12:45 AM CDT	Flash Flood Watch	TAE	Holmes, Jackson, Walton, Washington	22 hr
Apr 24, 1:00 AM CDT	Wind Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	18 hr
Apr 24, 6:29 AM CDT	Severe Thunderstorm Warning	TAE	Holmes, Walton	59 min
Apr 24, 8:56 AM CDT	Special Weather Statement	TAE	Holmes	49 min
Apr 24, 9:01 AM CDT	Areal Flood Advisory	TAE	Holmes, Jackson, Walton	119 min
Apr 24, 9:39 AM CDT	Flash Flood Warning	TAE	Holmes, Jackson, Walton	3 hr
Apr 24, 9:48 AM CDT	Special Weather Statement	TAE	Jackson	42 min
Apr 24, 9:52 AM CDT	Severe Thunderstorm Warning	TAE	Jackson, Washington	53 min
Apr 24, 9:57 AM CDT	Tornado Warning	TAE	Jackson, Washington	14 min
Apr 24, 10:20 AM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Gadsden, Jackson	40 min
Apr 24, 10:54 AM CDT	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	51 min
Apr 24, 10:57 AM CDT	Severe Thunderstorm Warning	TAE	Gadsden	48 min
Apr 24, 11:09 AM CDT	Flash Flood Warning	TAE	Bay, Holmes, Jackson, Walton, Washington	3 hr
Apr 24, 11:25 AM CDT	Special Weather Statement	TAE	Leon	50 min
Apr 24, 11:30 AM CDT	Severe Thunderstorm Warning	TAE	Gadsden, Jefferson, Leon	30 min
Apr 24, 11:41 AM CDT	River Flood Warning	TAE	Walton	41 hr
Apr 24, 11:41 AM CDT	Special Weather Statement	TAE	Holmes	64 min
Apr 24, 11:45 AM CDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon	30 min
Apr 24, 11:53 AM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Leon, Madison	52 min
Apr 24, 12:03 PM CDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon	27 min
Apr 24, 12:17 PM CDT	Flash Flood Warning Considerable damage threat	TAE	Jackson, Washington	3 hr
Apr 24, 12:34 PM CDT	Flash Flood Warning Considerable damage threat	TAE	Holmes, Jackson, Walton, Washington	3 hr
Apr 24, 12:34 PM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Madison	41 min
Apr 24, 12:39 PM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Leon, Madison	51 min
Apr 24, 1:09 PM CDT	Tornado Warning	TAE	Jefferson, Madison	36 min
Apr 24, 1:38 PM CDT	Tornado Warning	TAE	Madison	19 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021 Every 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.