Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 24, NWS Tallahassee, FL

April 10, 2021Bay County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 10, 2021, 8:46 AM CDT for Bay County, Florida. It was in force for 29 min. 7 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, 8:46 AM CDT (13:46 UTC)
Expired
Apr 10, 2021, 9:15 AM CDT
In force
29 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Bay County, FL

The radar

The Eglin Afb radar (KEVX), 45 km from the middle of the area, began a volume at 13:45 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, 8:56 AM CDTTSTM WND GST 58Gulf Coast State Colleg, FLGULF COAST STATE COLLEGE WEATHERSTEM MEASURED 58 MPH GUST.
Apr 10, 8:58 AM CDTTSTM WND GST 62Fsu Panama City Campus, FLFSU PANAMA CITY WEATHERSTEM MEASURED 62 MPH GUST.
Apr 10, 8:58 AM CDTTSTM WND GST 71Gulf Coast State Colleg, FLPEAK GUST OF 71 MPH ON WEATHERSTEM.
Apr 10, 9:00 AM CDTTSTM WND GST 78Panama City Marina, FLNOS SENSOR AT PANAMA CITY MARINA MEASURED A 78 MPH GUST.
Apr 10, 9:02 AM CDTMARINE TSTM WIND 441 Sse Pfn-Bay County Ai, FLMESONET STATION AP599 PANAMA CITY.
Apr 10, 9:03 AM CDTMARINE TSTM WIND 43Millville, FLMESONET STATION FW4416 PANAMA CITY.
Apr 10, 9:11 AM CDTMARINE TSTM WIND 561 N Panama City, FLMESONET STATION FW1493 PANAMA CITY.

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, 1.8 hours before the alert went out and 135 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.

409 
WFUS52 KTAE 101346
TORTAE
FLC005-101415-
/O.NEW.KTAE.TO.W.0024.210410T1346Z-210410T1415Z/

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

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Central Bay County in the Panhandle of Florida...

* Until 915 AM CDT.

* At 845 AM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located over
  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, Lynn Haven and Tyndall Air Force Base around 900 AM 
  CDT.
  Callaway, Springfield and Hiland Park around 905 AM CDT.

Other locations impacted by this tornadic thunderstorm include St
Andrews State Park, Southport, Parker, Magnolia Beach, Cedar Grove,
Brannonville, Dirego Park, Beacon Beach, Bay Harbor and College
Station.

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 3011 8574 3029 8576 3035 8584 3037 8568
      3023 8553 3001 8555
TIME...MOT...LOC 1345Z 267DEG 32KT 3019 8581 

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

$$

11-MM
1 follow-up statement
660 
WWUS52 KTAE 101406
SVSTAE

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

FLC005-101415-
/O.CON.KTAE.TO.W.0024.000000T0000Z-210410T1415Z/
Bay FL-
906 AM CDT Sat Apr 10 2021

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

At 906 AM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Springfield, or near Callaway, 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
central Bay County, including the following locations... St Andrews
State Park, Parker, Magnolia Beach, Cedar Grove, Brannonville, Dirego
Park, Beacon Beach, Bay Harbor, College Station and Millville.

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 3027 8574 3028 8558 3023 8553 3001 8555
      3011 8574
TIME...MOT...LOC 1406Z 267DEG 32KT 3020 8559 

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

$$

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, 8:31 AM CDTTornado WarningTAEBay, Walton34 min
Apr 10, 8:43 AM CDTSevere Thunderstorm WarningTAEJackson62 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.