Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 58, NWS Tallahassee, FL

April 10, 20215 counties in Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 10, 2021, 5:57 AM CDT for 5 counties in Florida. It was in force for 93 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, 5:57 AM CDT (10:57 UTC)
Expired
Apr 10, 2021, 7:30 AM CDT
In force
93 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Bay County, FL, Holmes County, FL, Jackson County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 29 km from the middle of the area, began a volume at 10:56 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, 6:23 AM CDTTSTM WND DMG2 E Pond Creek, FLCROWDER CHAPEL ROAD WAS CLOSED DUE TO TREES DOWN.
Apr 10, 6:23 AM CDTTORNADO2 E Pond Creek, FLAPPROXIMATE STARTING POINT OF EF1 TORNADO CONFIRMED BY STORM SURVEY. MAX WINDS ESTIMATED AT 95 MPH.
Apr 10, 6:29 AM CDTTSTM WND DMG1 Wsw Liberty, FLPOSSIBLE TORNADO. HOMES DAMAGED AND NUMEROUS TREES DOWN ALONG WILLIAMS ROAD NEAR US-331 NORTH.
Apr 10, 6:33 AM CDTTSTM WND DMG2 S Liberty, FLDR NELSON ROAD WAS CLOSED DUE TO TREES DOWN.
Apr 10, 6:37 AM CDTTSTM WND DMG2 Ene Sand Hill, FLCOUNTY ROAD 1084 WAS CLOSED DUE TO TREES DOWN.
Apr 10, 6:40 AM CDTTORNADO1 Ssw Glendale, FLAPPROXIMATE ENDING POINT OF EF1 TORNADO CONFIRMED BY STORM SURVEY. MAX WINDS ESTIMATED 95 MPH.
Apr 10, 6:45 AM CDTTSTM WND DMG1 W Darlington, FLANDREWS ROAD WAS CLOSED DUE TO TREES DOWN.

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 00:00Z, 11.0 hours before the alert went out and 182 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 00:00Z on 2021-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 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 00:00Z on 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
160 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

203 
WUUS52 KTAE 101057
SVRTAE
FLC005-059-063-131-133-101230-
/O.NEW.KTAE.SV.W.0058.210410T1057Z-210410T1230Z/

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

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northwestern Jackson County in the Panhandle of Florida...
  Northwestern Bay County in the Panhandle of Florida...
  Walton County in the Panhandle of Florida...
  Holmes County in the Panhandle of Florida...
  Central Washington County in the Panhandle of Florida...

* Until 730 AM CDT.

* At 557 AM CDT, severe thunderstorms were located along a line
  extending from 10 miles west of Laurel Hill to Navarre Beach,
  moving east at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Panama City Beach, Vernon, Santa Rosa Beach, De Funiak Springs,
  Bonifay, Graceville, Chipley, Eglin Air Force Base, Union, Liberty,
  Live Oak, Freeport, Paxton, Ponce De Leon, Caryville, Esto,
  Westville, Ebro, Noma and Black.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 AM CDT for southeastern
Alabama...and the Panhandle of Florida.

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 3038 8633 3042 8631 3039 8626 3040 8624
      3041 8624 3042 8626 3038 8617 3039 8611
      3044 8616 3047 8613 3046 8619 3050 8620
      3046 8639 3099 8639 3100 8544 3016 8586
      3027 8605 3036 8640 3040 8640
TIME...MOT...LOC 1057Z 262DEG 48KT 3100 8663 3037 8688 

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

42-DVD
1 follow-up statement
967 
WWUS52 KTAE 101152
SVSTAE

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

FLC005-059-063-131-133-101230-
/O.CON.KTAE.SV.W.0058.000000T0000Z-210410T1230Z/
Jackson FL-Bay FL-Walton FL-Holmes FL-Washington FL-
652 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR NORTHWESTERN JACKSON...NORTHWESTERN BAY...WALTON...HOLMES AND
CENTRAL WASHINGTON COUNTIES...

At 651 AM CDT, severe thunderstorms were located along a line
extending from 7 miles southwest of Geneva to near Santa Rosa Beach,
moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Panama City Beach, Vernon, Graceville, Santa Rosa Beach, De Funiak
Springs, Bonifay, Chipley, Eglin Air Force Base, Union, Liberty, Live
Oak, Freeport, Ponce De Leon, Caryville, Esto, Westville, Ebro, Noma,
Black and Oakwood Hills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 AM CDT for southeastern
Alabama...and the Panhandle of Florida.

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 3038 8633 3042 8631 3039 8626 3040 8623
      3042 8625 3042 8624 3038 8617 3039 8611
      3043 8612 3044 8616 3047 8613 3046 8619
      3050 8620 3046 8639 3100 8616 3100 8544
      3016 8586 3027 8605 3036 8640 3040 8640
TIME...MOT...LOC 1151Z 274DEG 30KT 3097 8599 3039 8634 

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

42-DVD

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, 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, 8:46 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

Severe Thunderstorm Warnings in Florida, 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.