Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 61, NWS Tallahassee, FL

April 10, 2021Bay County, Walton County, Washington County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 10, 2021, 7:59 AM CDT for Bay County, Walton County, Washington County, Florida. It was in force for 91 min. 19 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, 7:59 AM CDT (12:59 UTC)
Expired: Apr 10, 2021, 9:30 AM CDT
In force: 91 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Bay County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 23 km from the middle of the area, began a volume at 13:03 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, 8:36 AM CDT	TSTM WND GST 64	Inlet Beach, FL	WEATHERSTEM SENSOR REPORTED A MEASURED GUST OF 64 MPH AT INLET BEACH.
Apr 10, 8:37 AM CDT	TSTM WND GST 75	Lynn Haven, FL	PERSONAL WEATHER STATION IN LYNN HAVEN MEASURED A 75 MPH GUST.
Apr 10, 8:40 AM CDT	TORNADO	Panama City Beach, FL	SEVERAL 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 CDT	TSTM WND GST 62	Pier Park, FL	NOS STATION AT PANAMA CITY BEACH PIER REPORTED 62 MPH GUST.
Apr 10, 8:50 AM CDT	TSTM WND DMG	1 Nne Gulf Lagoon Beach, FL	TREE FELL ON A HOME ON LAURIE AVE AND RESULTED IN SIGNIFICANT DAMAGE.
Apr 10, 8:50 AM CDT	MARINE TSTM WIND 57	1 Ene Gulf Resort Beach, FL	MESONET STATION XPAN PANAMA CITY BEACH.
Apr 10, 8:52 AM CDT	TSTM WND GST 59	Nw Florida Beaches Intl, FL	ECP AIRPORT MEASURED A SUSTAINED WIND OF 48 MPH AND A GUST TO 59 MPH.
Apr 10, 8:56 AM CDT	TSTM WND GST 58	Gulf Coast State Colleg, FL	GULF COAST STATE COLLEGE WEATHERSTEM MEASURED 58 MPH GUST.
Apr 10, 8:58 AM CDT	TSTM WND GST 62	Fsu Panama City Campus, FL	FSU PANAMA CITY WEATHERSTEM MEASURED 62 MPH GUST.
Apr 10, 8:58 AM CDT	TSTM WND GST 71	Gulf Coast State Colleg, FL	PEAK GUST OF 71 MPH ON WEATHERSTEM.
Apr 10, 9:00 AM CDT	TSTM WND GST 78	Panama City Marina, FL	NOS SENSOR AT PANAMA CITY MARINA MEASURED A 78 MPH GUST.
Apr 10, 9:02 AM CDT	MARINE TSTM WIND 44	1 Sse Pfn-Bay County Ai, FL	MESONET STATION AP599 PANAMA CITY.
Apr 10, 9:03 AM CDT	TSTM WND DMG	Wausau, FL	TREES REPORTED DOWN IN THE WAUSAU AREA VIA SOCIAL MEDIA.
Apr 10, 9:03 AM CDT	MARINE TSTM WIND 43	Millville, FL	MESONET STATION FW4416 PANAMA CITY.
Apr 10, 9:09 AM CDT	TSTM WND DMG	Camp Flowers, FL	TREES AND POWER LINES DOWN ON HIGHWAY 2301.
Apr 10, 9:10 AM CDT	TSTM WND GST 42	3 S Crystal Lake, FL	MESONET STATION 0437W 3.3 S CRYSTAL LAKE (WEATHERSTEM).
Apr 10, 9:10 AM CDT	MARINE TSTM WIND 56	1 Wnw Recota Beach, FL	MESONET STATION AT414 SOUTHPORT.
Apr 10, 9:11 AM CDT	MARINE TSTM WIND 56	1 N Panama City, FL	MESONET STATION FW1493 PANAMA CITY.
Apr 10, 9:18 AM CDT	TSTM WND GST 76	Tyndall Afb, FL	TYNDALL AFB DRONE RUNWAY (KTDR) REPORTED A PEAK GUST OF 76 MPH.

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.

Issued	Product	Office	Lasted
Apr 10, 2:30 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 1.0 hours before the alert went out and 172 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.

440 
WUUS52 KTAE 101259
SVRTAE
FLC005-131-133-101430-
/O.NEW.KTAE.SV.W.0061.210410T1259Z-210410T1430Z/

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

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Bay County in the Panhandle of Florida...
  Southern Walton County in the Panhandle of Florida...
  Washington County in the Panhandle of Florida...

* Until 930 AM CDT.

* At 759 AM CDT, severe thunderstorms were located along a line
  extending from near Crestview to 26 miles south of Mary Esther,
  moving east at 65 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Panama City, Lynn Haven, Panama City Beach, Callaway, Vernon, Santa
  Rosa Beach, De Funiak Springs, Springfield, Mexico Beach, Hiland
  Park, Eglin Air Force Base, Tyndall Air Force Base, Live Oak,
  Parker, Freeport, Wausau, Ebro, Villa Tasso, Allanton and Dirego
  Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 send your report to the National Weather Service
office in Tallahassee.

&&

LAT...LON 3038 8633 3042 8631 3039 8626 3040 8623
      3042 8626 3038 8616 3039 8611 3044 8616
      3047 8613 3046 8619 3050 8620 3046 8639
      3073 8639 3063 8543 3057 8544 3057 8538
      2988 8537 3026 8605 3034 8639 3040 8640
TIME...MOT...LOC 1259Z 261DEG 57KT 3070 8651 3002 8669 

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

42-DVD

2 follow-up statements

155 
WWUS52 KTAE 101318
SVSTAE

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

FLC005-131-133-101430-
/O.CON.KTAE.SV.W.0061.000000T0000Z-210410T1430Z/
Bay FL-Walton FL-Washington FL-
818 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR BAY...SOUTHERN WALTON AND WASHINGTON COUNTIES...

At 817 AM CDT, severe thunderstorms were located along a line
extending from near De Funiak Springs to 23 miles south of Santa Rosa
Beach, moving east at 65 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...
Panama City, Lynn Haven, Panama City Beach, Callaway, Vernon, Santa
Rosa Beach, De Funiak Springs, Springfield, Mexico Beach, Hiland
Park, Eglin Air Force Base, Tyndall Air Force Base, Live Oak, Parker,
Freeport, Wausau, Ebro, Villa Tasso, Allanton and Dirego Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3038 8633 3042 8631 3039 8626 3040 8623
      3042 8626 3038 8616 3039 8611 3044 8616
      3047 8613 3046 8619 3050 8620 3046 8639
      3073 8639 3063 8543 3057 8544 3057 8538
      2988 8537 3026 8605 3034 8639 3040 8640
TIME...MOT...LOC 1317Z 261DEG 57KT 3074 8622 3006 8640 

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

42-DVD

828 
WWUS52 KTAE 101346
SVSTAE

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

FLC005-131-133-101430-
/O.CON.KTAE.SV.W.0061.000000T0000Z-210410T1430Z/
Bay FL-Walton FL-Washington FL-
846 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR BAY...SOUTHEASTERN WALTON AND WASHINGTON COUNTIES...

At 846 AM CDT, severe thunderstorms were located along a line
extending from 6 miles west of Vernon to 7 miles southwest of Panama
City Beach, moving east at 60 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...
Panama City, Lynn Haven, Panama City Beach, Callaway, Vernon,
Springfield, Mexico Beach, Hiland Park, Tyndall Air Force Base, Live
Oak, Parker, Wausau, Ebro, Allanton, Dirego Park, College Station,
Gulf Resort Beach, West Panama City, Bahama Beach and Holmes Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3061 8600 3064 8597 3063 8592 3068 8587
      3063 8543 3057 8544 3057 8538 3000 8539
      2988 8537 3025 8600 3046 8598 3054 8601
TIME...MOT...LOC 1346Z 267DEG 53KT 3065 8581 3013 8592 

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

42-DVD

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, 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, 9:30 AM CDT	Tornado Warning	TAE	Calhoun, Liberty	30 min
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

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.