Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 184, NWS Tallahassee, FL

July 9, 2021Jackson County, Florida; Houston County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 9, 2021, 2:25 PM CDT for Jackson County, Florida; Houston County, Alabama. It was in force for 50 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
Jul 9, 2021, 2:25 PM CDT (19:25 UTC)
Expired
Jul 9, 2021, 3:15 PM CDT
In force
50 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Houston County, AL, Jackson County, FL

The radar

The Ft Rucker radar (KEOX), 42 km from the middle of the area, began a volume at 19:28 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
Jul 9, 2:25 PM CDTTSTM WND DMGRehobeth, ALLARGE TREE DOWN IN THE REHOBETH AREA.

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, 7.4 hours before the alert went out and 123 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 2021-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1439 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 2021-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 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
1439 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

465 
WUUS52 KTAE 091925
SVRTAE
ALC069-FLC063-092015-
/O.NEW.KTAE.SV.W.0184.210709T1925Z-210709T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
225 PM CDT Fri Jul 9 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Houston County in southeastern Alabama...
  Northwestern Jackson County in the Panhandle of Florida...

* Until 315 PM CDT.

* At 225 PM CDT, severe thunderstorms were located along a line
  extending from Kinsey to near Graceville, moving east at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Cottonwood, Graceville, Dothan, Taylor, Kinsey, Ashford, Cowarts,
  Webb, Columbia, Malone, Rehobeth, Avon, Madrid, Gordon,
  Campbellton, Memphis, Pansey, Grangeburg, Garretts Crossroads and
  Sigma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tallahassee.

&&

LAT...LON 3131 8509 3128 8511 3123 8510 3120 8511
      3117 8510 3115 8507 3079 8527 3085 8557
      3094 8553 3097 8553 3100 8549 3109 8549
      3131 8541
TIME...MOT...LOC 1925Z 276DEG 17KT 3131 8534 3091 8548 

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

42-DVD
3 follow-up statements
447 
WWUS52 KTAE 091946
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
246 PM CDT Fri Jul 9 2021

ALC069-FLC063-092015-
/O.CON.KTAE.SV.W.0184.000000T0000Z-210709T2015Z/
Houston AL-Jackson FL-
246 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR EASTERN HOUSTON AND NORTHWESTERN JACKSON COUNTIES...

At 246 PM CDT, severe thunderstorms were located along a line
extending from near Webb to 7 miles northeast of Chipley, moving east
at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Cottonwood, Ashford, Cowarts, Webb, Columbia, Malone, Avon, Madrid,
Gordon, Campbellton, Pansey, Grangeburg, Sigma, Enon, Wilson Mill,
Barber, Keytons, Pleasant Plains, Jacobs and Farley Nuclear Plant.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tallahassee.

&&

LAT...LON 3131 8509 3128 8511 3123 8510 3120 8511
      3117 8510 3115 8507 3079 8527 3083 8548
      3090 8547 3099 8541 3108 8539 3131 8528
TIME...MOT...LOC 1946Z 285DEG 16KT 3130 8524 3083 8543 

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

42-DVD
954 
WWUS52 KTAE 091958
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
258 PM CDT Fri Jul 9 2021

ALC069-FLC063-092015-
/O.CON.KTAE.SV.W.0184.000000T0000Z-210709T2015Z/
Houston AL-Jackson FL-
258 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR EASTERN HOUSTON AND NORTH CENTRAL JACKSON COUNTIES...

At 258 PM CDT, severe thunderstorms were located along a line
extending from 6 miles south of Columbia to 8 miles northwest of
Marianna, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Cottonwood, Ashford, Columbia, Malone, Gordon, Pansey, Grangeburg,
Farley Nuclear Plant, Sealy Springs, Sills and Jacob City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tallahassee.

&&

LAT...LON 3131 8509 3128 8511 3123 8510 3120 8511
      3117 8510 3115 8507 3079 8527 3082 8543
      3088 8541 3096 8536 3105 8530 3131 8513
TIME...MOT...LOC 1958Z 284DEG 20KT 3121 8511 3082 8537 

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

42-DVD
136 
WWUS52 KTAE 092005
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
305 PM CDT Fri Jul 9 2021

ALC069-FLC063-092015-
/O.EXP.KTAE.SV.W.0184.000000T0000Z-210709T2015Z/
Houston AL-Jackson FL-
305 PM CDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HOUSTON AND NORTH
CENTRAL JACKSON COUNTIES WILL EXPIRE AT 315 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.

LAT...LON 3131 8509 3128 8511 3123 8510 3120 8511
      3117 8510 3115 8507 3079 8527 3082 8543
      3088 8541 3096 8536 3105 8530 3131 8513
TIME...MOT...LOC 2005Z 276DEG 17KT 3121 8508 3082 8534 

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 10:14 AM CDTRip Current StatementTAEWalton12 hr
Jul 9, 11:57 AM CDTAreal Flood AdvisoryTAEFranklin3 hr
Jul 9, 12:16 PM CDTAreal Flood WarningTAEDixie, Taylor7 hr
Jul 9, 12:49 PM CDTAreal Flood AdvisoryTAEWakulla3 hr
Jul 9, 2:17 PM CDTSpecial Weather StatementTAEHolmes, Jackson, Walton, Washington43 min
Jul 9, 2:57 PM CDTSpecial Weather StatementTAEJackson48 min
Jul 9, 2:14 PM CDTSpecial Weather StatementTAEHouston46 min
Jul 9, 4:11 PM CDTSpecial Weather StatementTAEDale34 min
Jul 9, 4:34 PM CDTSpecial Weather StatementTAEDale, Henry26 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021Severe Thunderstorm Warnings in Alabama, 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.