Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 27, NWS Tallahassee, FL

April 10, 2021Calhoun County, Liberty County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 10, 2021, 9:30 AM CDT for Calhoun County, Liberty County, Florida. It was in force for 30 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 10, 2021, 9:30 AM CDT (14:30 UTC)
Expired: Apr 10, 2021, 10:00 AM CDT
In force: 30 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Calhoun County, FL, Liberty County, FL

The radar

The Tallahassee radar (KTLH), 77 km from the middle of the area, began a volume at 14:30 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 10, 2:30 AM CDT	Tornado Watch	SPC	8 hr
Apr 10, 9:20 AM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 2.5 hours before the alert went out and 80 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.

167 
WFUS52 KTAE 101430
TORTAE
FLC013-077-101500-
/O.NEW.KTAE.TO.W.0027.210410T1430Z-210410T1500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
1030 AM EDT Sat Apr 10 2021

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Southeastern Calhoun County in the Panhandle of Florida...
  West central Liberty County in Big Bend of Florida...

* Until 1100 AM EDT/1000 AM CDT/.

* At 1030 AM EDT/930 AM CDT/, severe thunderstorms capable of
  producing both tornadoes and extensive straight line wind damage
  were located 10 miles north of Stonemill Creek, or 15 miles
  southwest of Blountstown, moving east at 35 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  southeastern Calhoun County in the Panhandle of Florida and west
  central Liberty Counties in Big Bend of Florida, including the
  following locations... Marysville, Scotts Ferry, Estiffanulga,
  Woods, Hugh Creek, Orange and Red Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3025 8524 3034 8524 3039 8495 3020 8496
TIME...MOT...LOC 1430Z 272DEG 32KT 3028 8524 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

11-MM

2 follow-up statements

923 
WWUS52 KTAE 101446
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
1046 AM EDT Sat Apr 10 2021

FLC013-101456-
/O.CAN.KTAE.TO.W.0027.000000T0000Z-210410T1500Z/
Calhoun FL-
1046 AM EDT Sat Apr 10 2021

...THE TORNADO WARNING FOR SOUTHEASTERN CALHOUN COUNTY IN THE
PANHANDLE OF FLORIDA IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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.

LAT...LON 3022 8509 3023 8509 3023 8508 3025 8508
      3026 8506 3030 8506 3031 8505 3031 8503
      3032 8504 3033 8495 3020 8496
TIME...MOT...LOC 1446Z 271DEG 38KT 3028 8504 

$$

FLC077-101500-
/O.CON.KTAE.TO.W.0027.000000T0000Z-210410T1500Z/
Liberty FL-
1046 AM EDT Sat Apr 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT FOR WEST
CENTRAL LIBERTY COUNTY...

At 1046 AM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located 10
miles south of Blountstown, moving east at 45 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Orange, Estiffanulga, Red Hill and Lewis. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3022 8509 3023 8509 3023 8508 3025 8508
      3026 8506 3030 8506 3031 8505 3031 8503
      3032 8504 3033 8495 3020 8496
TIME...MOT...LOC 1446Z 271DEG 38KT 3028 8504 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

11-MM

276 
WWUS52 KTAE 101451
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
1051 AM EDT Sat Apr 10 2021

FLC077-101501-
/O.EXP.KTAE.TO.W.0027.000000T0000Z-210410T1500Z/
Liberty FL-
1051 AM EDT Sat Apr 10 2021

...THE TORNADO WARNING FOR WEST CENTRAL LIBERTY COUNTY WILL EXPIRE AT
1100 AM EDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

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.

Remember, a Severe Thunderstorm Warning still remains in effect for
Liberty County.

LAT...LON 3022 8509 3023 8509 3023 8508 3025 8508
      3026 8506 3030 8506 3031 8505 3031 8503
      3032 8504 3033 8495 3020 8496
TIME...MOT...LOC 1451Z 272DEG 32KT 3028 8499 

$$

11-MM

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 4:47 AM CDT	Special Weather Statement	TAE	Walton	58 min
Apr 10, 5:30 AM CDT	Special Marine Warning	TAE		3 hr
Apr 10, 5:57 AM CDT	Severe Thunderstorm Warning	TAE	Bay, Holmes, Jackson, Walton, Washington	93 min
Apr 10, 6:18 AM CDT	Tornado Warning	TAE	Walton	27 min
Apr 10, 6:34 AM CDT	Tornado Warning	TAE	Holmes, Walton	26 min
Apr 10, 7:21 AM CDT	Severe Thunderstorm Warning	TAE	Bay, Holmes, Jackson, Walton, Washington	84 min
Apr 10, 7:53 AM CDT	Special Marine Warning	TAE		3 hr
Apr 10, 7:59 AM CDT	Severe Thunderstorm Warning	TAE	Bay, Walton, Washington	91 min
Apr 10, 8:31 AM CDT	Tornado Warning	TAE	Bay, Walton	34 min
Apr 10, 8:43 AM CDT	Severe Thunderstorm Warning	TAE	Jackson	62 min
Apr 10, 8:46 AM CDT	Tornado Warning	TAE	Bay	29 min
Apr 10, 8:54 AM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Gulf	77 min
Apr 10, 9:04 AM CDT	Tornado Warning	TAE	Bay, Calhoun, Gulf	26 min
Apr 10, 9:08 AM CDT	Tornado Warning	TAE	Bay, Calhoun	23 min
Apr 10, 9:15 AM CDT	Severe Thunderstorm Warning	TAE	Franklin, Gadsden, Liberty	90 min
Apr 10, 9:20 AM CDT	Special Marine Warning	TAE		3 hr
Apr 10, 9:56 AM CDT	Severe Thunderstorm Warning	TAE	Franklin, Gadsden, Leon, Wakulla	82 min
Apr 10, 10:29 AM CDT	Tornado Warning	TAE	Leon	31 min
Apr 10, 10:48 AM CDT	Special Marine Warning	TAE		3 hr
Apr 10, 11:04 AM CDT	Special Weather Statement	TAE	Jefferson	41 min
Apr 10, 11:39 AM CDT	Special Weather Statement	TAE	Jefferson, Madison	66 min
Apr 10, 12:20 PM CDT	Special Weather Statement	TAE	Lafayette, Madison, Taylor	70 min

Nearby

Tornado Warnings in Florida, 2021 Every tornado warning in 2021 Tornadoes 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.