Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 64, NWS Tallahassee, FL

April 10, 2021Franklin County, Gadsden County, Liberty County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 10, 2021, 10:15 AM EDT for Franklin County, Gadsden County, Liberty County, Florida. It was in force for 90 min. 3 reports 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: Apr 10, 2021, 10:15 AM EDT (14:15 UTC)
Expired: Apr 10, 2021, 11:45 AM EDT
In force: 90 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 70.0 mph

Counties Franklin County, FL, Gadsden County, FL, Liberty County, FL

The radar

The Tallahassee radar (KTLH), 65 km from the middle of the area, began a volume at 14:16 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.

What was reported inside it

Time	Report	Where	Remark
Apr 10, 11:04 AM EDT	TSTM WND DMG	Hosford, FL	NUMEROUS TREES DOWN THROUGHOUT LIBERTY COUNTY.
Apr 10, 11:08 AM EDT	TSTM WND GST 46	Apalachicola Airport, FL	WEATHERSTEM AT FRANKLIN COUNTY EOC MEASURED 46 MPH GUST.
Apr 10, 11:53 AM EDT	MARINE TSTM WIND 45	1 Nnw Apalachicola Airp, FL	ASOS STATION KAAF APALACHICOLA.

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, 2.3 hours before the alert went out and 68 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: 13 J/kg
Mixed-layer CIN: -541 J/kg
Mixed-layer LCL: 1046 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 276 m²/s²
0-3 km storm-relative helicity: 231 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

691 
WUUS52 KTAE 101415
SVRTAE
FLC037-039-077-101545-
/O.NEW.KTAE.SV.W.0064.210410T1415Z-210410T1545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
1015 AM EDT Sat Apr 10 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Gadsden County in Big Bend of Florida...
  Liberty County in Big Bend of Florida...
  Franklin County in Big Bend of Florida...

* Until 1145 AM EDT.

* At 1015 AM EDT, severe thunderstorms were located along a line
  extending from 11 miles southeast of Chipley to 18 miles southwest
  of Mexico Beach, moving east at 50 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Carrabelle, Eastpoint, Apalachicola, Quincy, St George Island,
  Greensboro, Chattahoochee, Orange, Franklin, Gretna, Bristol, Rock
  Bluff, Jewel Fire Tower, Juniper, Douglas City, Royal Bluff, Vilas,
  Jamieson, St George Island St Pk and Central City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 AM EDT for the Panhandle
of Florida. A Tornado Watch also remains in effect until 200 PM EDT
for Big Bend of Florida...and southwestern Georgia.

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

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 2960 8521 2972 8520 2981 8502 2989 8505
      2998 8503 3004 8513 3009 8515 3031 8503
      3042 8503 3044 8498 3058 8496 3071 8486
      3069 8441 3033 8472 3032 8470 3027 8474
      3009 8465 3001 8455 2971 8463 2956 8495
TIME...MOT...LOC 1415Z 268DEG 42KT 3063 8546 2974 8559 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

42-DVD

2 follow-up statements

561 
WWUS52 KTAE 101510
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
1110 AM EDT Sat Apr 10 2021

FLC037-039-077-101545-
/O.CON.KTAE.SV.W.0064.000000T0000Z-210410T1545Z/
Gadsden FL-Liberty FL-Franklin FL-
1110 AM EDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT
FOR GADSDEN...LIBERTY AND FRANKLIN COUNTIES...

At 1110 AM EDT, severe thunderstorms were located along a line
extending from near Greensboro to Eastpoint, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Carrabelle, Eastpoint, Apalachicola, Quincy, St George Island,
Greensboro, Chattahoochee, Orange, Franklin, Gretna, Bristol, Rock
Bluff, Jewel Fire Tower, Juniper, Douglas City, Royal Bluff, Vilas,
Jamieson, St George Island St Pk and Central City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 PM EDT for Big Bend of
Florida...and southwestern Georgia.

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

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 2960 8521 2972 8520 2981 8502 2989 8505
      2998 8503 3004 8513 3009 8515 3031 8503
      3042 8503 3044 8498 3058 8496 3071 8486
      3069 8441 3033 8472 3032 8470 3027 8474
      3009 8465 3001 8455 2971 8463 2956 8495
TIME...MOT...LOC 1510Z 268DEG 42KT 3065 8473 2976 8487 

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

42-DVD

722 
WWUS52 KTAE 101525
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
1125 AM EDT Sat Apr 10 2021

FLC037-039-077-101545-
/O.CON.KTAE.SV.W.0064.000000T0000Z-210410T1545Z/
Gadsden FL-Liberty FL-Franklin FL-
1125 AM EDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT
FOR CENTRAL GADSDEN...SOUTHEASTERN LIBERTY AND CENTRAL FRANKLIN
COUNTIES...

At 1125 AM EDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Quincy to near Carrabelle, moving
east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Carrabelle, Quincy, Eastpoint, St George Island, Greensboro,
Franklin, Gretna, Carrabelle Beach, East Camp, Jewel Fire Tower,
Littman, Douglas City, Royal Bluff, Jamieson, St George Island St Pk,
Santa Clara, Poplar Camp, Quincy Airport, Wetumpka and Branchville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 PM EDT for Big Bend of
Florida...and southwestern Georgia.

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

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 2956 8495 2963 8493 2972 8495 2984 8489
      2991 8492 3002 8492 3009 8494 3018 8491
      3030 8481 3038 8478 3058 8475 3070 8463
      3069 8441 3033 8472 3032 8470 3027 8474
      3009 8465 3003 8459 3001 8455 2971 8463
TIME...MOT...LOC 1525Z 270DEG 42KT 3066 8453 2977 8467 

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

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 5:47 AM EDT	Special Weather Statement	TAE	Walton	58 min
Apr 10, 6:30 AM EDT	Special Marine Warning	TAE		3 hr
Apr 10, 6:57 AM EDT	Severe Thunderstorm Warning	TAE	Bay, Holmes, Jackson, Walton, Washington	93 min
Apr 10, 7:18 AM EDT	Tornado Warning	TAE	Walton	27 min
Apr 10, 7:34 AM EDT	Tornado Warning	TAE	Holmes, Walton	26 min
Apr 10, 8:21 AM EDT	Severe Thunderstorm Warning	TAE	Bay, Holmes, Jackson, Walton, Washington	84 min
Apr 10, 8:53 AM EDT	Special Marine Warning	TAE		3 hr
Apr 10, 8:59 AM EDT	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	91 min
Apr 10, 9:31 AM EDT	Tornado Warning	TAE	Bay, Walton	34 min
Apr 10, 9:43 AM EDT	Severe Thunderstorm Warning	TAE	Jackson	62 min
Apr 10, 9:46 AM EDT	Tornado Warning	TAE	Bay	29 min
Apr 10, 9:54 AM EDT	Severe Thunderstorm Warning	TAE	Calhoun, Gulf	77 min
Apr 10, 10:04 AM EDT	Tornado Warning	TAE	Bay, Calhoun, Gulf	26 min
Apr 10, 10:08 AM EDT	Tornado Warning	TAE	Bay, Calhoun	23 min
Apr 10, 10:20 AM EDT	Special Marine Warning	TAE		3 hr
Apr 10, 10:30 AM EDT	Tornado Warning	TAE	Calhoun, Liberty	30 min
Apr 10, 10:56 AM EDT	Severe Thunderstorm Warning	TAE	Franklin, Gadsden, Leon, Wakulla	82 min
Apr 10, 11:29 AM EDT	Tornado Warning	TAE	Leon	31 min
Apr 10, 11:48 AM EDT	Special Marine Warning	TAE		3 hr
Apr 10, 12:04 PM EDT	Special Weather Statement	TAE	Jefferson	41 min
Apr 10, 12:39 PM EDT	Special Weather Statement	TAE	Jefferson, Madison	66 min
Apr 10, 1:20 PM EDT	Special Weather Statement	TAE	Lafayette, Madison, Taylor	70 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.