Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 23, NWS Tallahassee, FL

April 10, 2021Bay County, Walton County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 10, 2021, 8:31 AM CDT for Bay County, Walton County, Florida. It was in force for 34 min. 5 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, 8:31 AM CDT (13:31 UTC)
Expired
Apr 10, 2021, 9:05 AM CDT
In force
34 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Bay County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 34 km from the middle of the area, began a volume at 13:33 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
Apr 10, 8:36 AM CDTTSTM WND GST 64Inlet Beach, FLWEATHERSTEM SENSOR REPORTED A MEASURED GUST OF 64 MPH AT INLET BEACH.
Apr 10, 8:40 AM CDTTORNADOPanama City Beach, FLSEVERAL REPORTS AND VIDEOS OF A TORNADO MOVING ASHORE IN PANAMA CITY BEACH. NUMEROUS STRUCTURES DAMAGED WITH WIDESPREAD TREE AND POWERLINE DAMAGE. FULL ASSESSMENT OF IMPACT AND INTENSITY ONGOING.
Apr 10, 8:48 AM CDTTSTM WND GST 62Pier Park, FLNOS STATION AT PANAMA CITY BEACH PIER REPORTED 62 MPH GUST.
Apr 10, 8:50 AM CDTTSTM WND DMG1 Nne Gulf Lagoon Beach, FLTREE FELL ON A HOME ON LAURIE AVE AND RESULTED IN SIGNIFICANT DAMAGE.
Apr 10, 8:50 AM CDTMARINE TSTM WIND 571 Ene Gulf Resort Beach, FLMESONET STATION XPAN PANAMA CITY BEACH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 10, 2:30 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 1.5 hours before the alert went out and 160 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 2021-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 276 square meters per square second.19395878Sfc1 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
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.

164 
WFUS52 KTAE 101331
TORTAE
FLC005-131-101415-
/O.NEW.KTAE.TO.W.0023.210410T1331Z-210410T1415Z/

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

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  West central Bay County in the Panhandle of Florida...
  Southeastern Walton County in the Panhandle of Florida...

* Until 915 AM CDT.

* At 831 AM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located 13
  miles west of Panama City Beach, moving east at 25 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.

* These dangerous storms will be near...
  Panama City Beach around 855 AM CDT.

Other locations impacted by this tornadic thunderstorm include West
Bay, Inlet Beach, St Andrews State Park, Seminole Hills, Gulf Lagoon
Beach, Gulf Resort Beach, West Panama City, Bahama Beach, Biltmore
Beach and Edgewater Gulf Beach.

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.

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 3035 8612 3039 8588 3029 8575 3012 8573
      3015 8594 3022 8605 3023 8611
TIME...MOT...LOC 1331Z 263DEG 21KT 3026 8606 

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

$$

11-MM
2 follow-up statements
584 
WWUS52 KTAE 101342
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
842 AM CDT Sat Apr 10 2021

FLC131-101351-
/O.CAN.KTAE.TO.W.0023.000000T0000Z-210410T1415Z/
Walton FL-
842 AM CDT Sat Apr 10 2021

...THE TORNADO WARNING FOR SOUTHEASTERN WALTON COUNTY 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 1000 AM CDT for the Panhandle
of Florida.

LAT...LON 3035 8599 3039 8588 3029 8575 3012 8573
      3015 8594 3021 8600
TIME...MOT...LOC 1341Z 267DEG 32KT 3026 8590 

$$

FLC005-101415-
/O.CON.KTAE.TO.W.0023.000000T0000Z-210410T1415Z/
Bay FL-
842 AM CDT Sat Apr 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR WEST
CENTRAL BAY COUNTY...

At 841 AM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Panama City Beach, 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.

These dangerous storms will be near...
  Panama City Beach around 845 AM CDT.

Other locations impacted by this tornadic thunderstorm include West
Bay, St Andrews State Park, Seminole Hills, Gulf Lagoon Beach, Gulf
Resort Beach, West Panama City, Bahama Beach, Biltmore Beach,
Edgewater Gulf Beach and Sunnyside.

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.

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 3035 8599 3039 8588 3029 8575 3012 8573
      3015 8594 3021 8600
TIME...MOT...LOC 1341Z 267DEG 32KT 3026 8590 

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

$$

11-MM
550 
WWUS52 KTAE 101405
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
905 AM CDT Sat Apr 10 2021

FLC005-101414-
/O.CAN.KTAE.TO.W.0023.000000T0000Z-210410T1415Z/
Bay FL-
905 AM CDT Sat Apr 10 2021

...THE TORNADO WARNING FOR WEST CENTRAL BAY COUNTY IS CANCELLED...
    
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.  However
gusty winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1000 AM CDT for the Panhandle
of Florida.

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

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

Remember, a Tornado Warning still remains in effect for Eastern Bay 
County.

LAT...LON 3035 8599 3039 8588 3029 8575 3012 8573
      3015 8594 3021 8600
TIME...MOT...LOC 1403Z 263DEG 21KT 3028 8574 

$$

11-MM

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 4:47 AM CDTSpecial Weather StatementTAEWalton58 min
Apr 10, 5:30 AM CDTSpecial Marine WarningTAE3 hr
Apr 10, 5:57 AM CDTSevere Thunderstorm WarningTAEBay, Holmes, Jackson, Walton, Washington93 min
Apr 10, 6:18 AM CDTTornado WarningTAEWalton27 min
Apr 10, 6:34 AM CDTTornado WarningTAEHolmes, Walton26 min
Apr 10, 7:21 AM CDTSevere Thunderstorm WarningTAEBay, Holmes, Jackson, Walton, Washington84 min
Apr 10, 7:53 AM CDTSpecial Marine WarningTAE3 hr
Apr 10, 7:59 AM CDTSevere Thunderstorm WarningTAEBay, Walton, Washington91 min
Apr 10, 8:43 AM CDTSevere Thunderstorm WarningTAEJackson62 min
Apr 10, 8:46 AM CDTTornado WarningTAEBay29 min
Apr 10, 8:54 AM CDTSevere Thunderstorm WarningTAECalhoun, Gulf77 min
Apr 10, 9:04 AM CDTTornado WarningTAEBay, Calhoun, Gulf26 min
Apr 10, 9:08 AM CDTTornado WarningTAEBay, Calhoun23 min
Apr 10, 9:15 AM CDTSevere Thunderstorm WarningTAEFranklin, Gadsden, Liberty90 min
Apr 10, 9:20 AM CDTSpecial Marine WarningTAE3 hr
Apr 10, 9:30 AM CDTTornado WarningTAECalhoun, Liberty30 min
Apr 10, 9:56 AM CDTSevere Thunderstorm WarningTAEFranklin, Gadsden, Leon, Wakulla82 min
Apr 10, 10:29 AM CDTTornado WarningTAELeon31 min
Apr 10, 10:48 AM CDTSpecial Marine WarningTAE3 hr
Apr 10, 11:04 AM CDTSpecial Weather StatementTAEJefferson41 min
Apr 10, 11:39 AM CDTSpecial Weather StatementTAEJefferson, Madison66 min
Apr 10, 12:20 PM CDTSpecial Weather StatementTAELafayette, Madison, Taylor70 min

Nearby

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