Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 224, NWS Tallahassee, FL

August 22, 2021Geneva County, Houston County, Alabama; Holmes County, Jackson County, Washington County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 22, 2021, 8:00 PM CDT for Geneva County, Houston County, Alabama; Holmes County, Jackson County, Washington County, Florida. It was in force for 30 min. 1 report 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: Aug 22, 2021, 8:00 PM CDT (01:00 UTC)
Expired: Aug 22, 2021, 8:30 PM CDT
In force: 30 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Geneva County, AL, Houston County, AL, Holmes County, FL, Jackson County, FL, Washington County, FL

The radar

The Ft Rucker radar (KEOX), 54 km from the middle of the area, began a volume at 01:00 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

Time	Report	Where	Remark
Aug 22, 8:00 PM CDT	TSTM WND DMG	1 Sse Cobb Crossroads, FL	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 SSE COBB CROSSROADS. DOWNED TREES AND WIRES.

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 00:00Z, 1.0 hours before the alert went out and 137 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: 1158 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 991 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

923 
WUUS52 KTAE 230100
SVRTAE
ALC061-069-FLC059-063-133-230130-
/O.NEW.KTAE.SV.W.0224.210823T0100Z-210823T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
800 PM CDT Sun Aug 22 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Southeastern Geneva County in southeastern Alabama...
  South central Houston County in southeastern Alabama...
  Northwestern Jackson County in the Panhandle of Florida...
  Eastern Holmes County in the Panhandle of Florida...
  Northeastern Washington County in the Panhandle of Florida...

* Until 830 PM CDT.

* At 800 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles southeast of Slocomb to near Graceville to
  near Geneva, moving south at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Chipley, Graceville, Geneva, Bonifay, Dothan, Hartford, Taylor,
  Slocomb, Rehobeth, Cottondale, Caryville, Esto, Madrid,
  Campbellton, Noma, Black, Richter Crossroads, Kellys Crossroads,
  Garretts Crossroads and Tendil Crossing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3110 8555 3117 8541 3092 8527 3075 8543
      3075 8579 3110 8595
TIME...MOT...LOC 0100Z 344DEG 19KT 3105 8550 3097 8556 3098 8588 

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

1 follow-up statement

948 
WWUS52 KTAE 230121
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
821 PM CDT Sun Aug 22 2021

ALC061-069-FLC059-063-133-230130-
/O.CON.KTAE.SV.W.0224.000000T0000Z-210823T0130Z/
Geneva AL-Houston AL-Jackson FL-Holmes FL-Washington FL-
821 PM CDT Sun Aug 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHEASTERN GENEVA...SOUTH CENTRAL HOUSTON...NORTHWESTERN
JACKSON...EASTERN HOLMES AND NORTHEASTERN WASHINGTON COUNTIES...

At 821 PM CDT, severe thunderstorms were located along a line
extending from near Graceville to 6 miles north of Chipley to 11
miles south of Geneva, moving east at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Chipley, Graceville, Geneva, Bonifay, Cottondale, Caryville, Esto,
Madrid, Campbellton, Noma, Black, Richter Crossroads, Garretts
Crossroads, Tendil Crossing, Southern Junction, Geneva Municipal A/P,
Holland Crossroads, Cobb Crossroads, Smith Crossroads and Jacobs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3106 8553 3107 8535 3092 8527 3075 8543
      3075 8579 3106 8593
TIME...MOT...LOC 0121Z 270DEG 19KT 3095 8547 3087 8553 3088 8585 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 22, 7:15 PM CDT	Special Weather Statement	TAE	Coffee, Geneva	45 min
Aug 22, 7:37 PM CDT	Severe Thunderstorm Warning	TAE	Geneva, Houston	23 min
Aug 22, 9:43 PM CDT	Special Weather Statement	TAE	Henry	32 min
Aug 22, 8:33 PM CDT	Special Weather Statement	TAE	Holmes, Jackson, Washington	42 min
Aug 22, 9:10 PM CDT	Special Weather Statement	TAE	Calhoun, Jackson, Washington	35 min
Aug 22, 10:12 PM CDT	Special Weather Statement	TAE	Washington	33 min
Aug 22, 10:44 PM CDT	Special Weather Statement	TAE	Bay	31 min
Aug 22, 11:52 PM CDT	Special Weather Statement	TAE	Bay	53 min
Aug 23, 12:43 AM CDT	Special Weather Statement	TAE	Holmes	32 min
Aug 23, 2:35 AM CDT	Special Weather Statement	TAE	Washington	40 min
Aug 23, 3:08 AM CDT	Special Weather Statement	TAE	Calhoun, Washington	52 min
Aug 23, 3:43 AM CDT	Areal Flood Advisory	TAE	Bay, Washington	3 hr
Aug 23, 3:55 AM CDT	Special Weather Statement	TAE	Bay, Calhoun	50 min
Aug 23, 4:42 AM CDT	Special Weather Statement	TAE	Calhoun, Liberty	48 min
Aug 23, 7:14 AM CDT	Special Weather Statement	TAE	Bay	31 min
Aug 23, 7:45 AM CDT	Special Weather Statement	TAE	Gulf	30 min
Aug 23, 9:22 AM CDT	Special Weather Statement	TAE	Franklin	23 min
Aug 23, 10:42 AM CDT	Rip Current Statement	TAE	Bay, Gulf	15 hr
Aug 23, 2:38 PM CDT	Special Weather Statement	TAE	Wakulla	37 min
Aug 23, 4:37 PM CDT	Special Weather Statement	TAE	Walton	38 min
Aug 23, 5:14 PM CDT	Special Weather Statement	TAE	Gadsden	46 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021 Severe Thunderstorm Warnings in Alabama, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.