Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 63, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 10, 2021, 8:54 AM CDT for Calhoun County, Gulf County, Florida. It was in force for 77 min. 2 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, 8:54 AM CDT (13:54 UTC)
- Expired
- Apr 10, 2021, 10:11 AM CDT
- In force
- 77 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Calhoun County, FL, Gulf County, FL
The radar
The Tallahassee radar (KTLH), 87 km from the middle of the area, began a volume at 13:55 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, 9:30 AM CDT | TSTM WND DMG | Wewahitchka, FL | SIGNIFICANT DAMAGE TO 3 STRUCTURES WITH MINOR DAMAGE TO 4 OTHERS IN WEWAHITCHKA. |
| Apr 10, 9:31 AM CDT | TSTM WND DMG | Clarksville, FL | NUMEROUS TREES AND POWERLINES DOWN ALL ACROSS CALHOUN COUNTY. |
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, 1.9 hours before the alert went out and 89 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.
- 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
The text
As transmitted.
958
WUUS52 KTAE 101354
SVRTAE
FLC013-045-101530-
/O.NEW.KTAE.SV.W.0063.210410T1354Z-210410T1530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
954 AM EDT Sat Apr 10 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Gulf County in the Panhandle of Florida...
Calhoun County in the Panhandle of Florida...
* Until 1130 AM EDT/1030 AM CDT/.
* At 954 AM EDT/854 AM CDT/, severe thunderstorms were located along
a line extending from near Vernon to 21 miles southwest of Tyndall
Air Force Base, moving east at 40 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...
Blountstown, Port St. Joe, Mexico Beach, Stonemill Creek,
Wewahitchka, Altha, Honeyville, Moose Pond, Clarksville, Ocheesee,
Selman, Abe Springs, Chipola Cutoff, Cape San Blas, Chipola, Camps
Head, Overstreet, Scotts Ferry, Kennys Mill and Hugh Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 AM EDT/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 2966 8543 2988 8549 2993 8539 3057 8538
3057 8518 3059 8517 3061 8493 3052 8499
3047 8499 3042 8503 3041 8501 3022 8510
3018 8514 3009 8515 2981 8502 2970 8522
2971 8501 2960 8505 2961 8507 2956 8506
TIME...MOT...LOC 1354Z 257DEG 36KT 3059 8578 2989 8586
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
$$
42-DVD2 follow-up statements
461
WWUS52 KTAE 101450
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
1050 AM EDT Sat Apr 10 2021
FLC013-101500-
/O.CAN.KTAE.SV.W.0063.000000T0000Z-210410T1530Z/
Calhoun FL-
1050 AM EDT Sat Apr 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR CALHOUN COUNTY IN THE
PANHANDLE OF FLORIDA IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 AM EDT/1000 AM CDT/ for
the Panhandle of Florida. A Tornado Watch also remains in effect
until 200 PM EDT/100 PM CDT/ for Big Bend of Florida.
LAT...LON 2966 8543 2984 8534 2992 8532 3010 8530
3020 8524 3020 8512 3018 8514 3009 8515
2981 8502 2977 8509 2978 8511 2970 8522
2971 8501 2960 8505 2961 8506 2960 8507
2956 8506
TIME...MOT...LOC 1450Z 285DEG 35KT 3019 8517 2976 8520
$$
FLC045-101530-
/O.CON.KTAE.SV.W.0063.000000T0000Z-210410T1530Z/
Gulf FL-
1050 AM EDT Sat Apr 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM
EDT/1030 AM CDT/ FOR GULF COUNTY...
At 1050 AM EDT/950 AM CDT/, severe thunderstorms were located along a
line extending from near Stonemill Creek to 7 miles southeast of Port
St. Joe, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Port St. Joe, Stonemill Creek, Wewahitchka, Honeyville, Highland
View, Chipola Cutoff, Odena, Cape San Blas, Indian Pass, Jones
Homestead, Ward Ridge, Milltown, Howard Creek, Simmons Bayou and
Dalkeith.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 AM EDT/1000 AM CDT/ for
the Panhandle of Florida. A Tornado Watch also remains in effect
until 200 PM EDT/100 PM CDT/ for Big Bend 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 2966 8543 2984 8534 2992 8532 3010 8530
3020 8524 3020 8512 3018 8514 3009 8515
2981 8502 2977 8509 2978 8511 2970 8522
2971 8501 2960 8505 2961 8506 2960 8507
2956 8506
TIME...MOT...LOC 1450Z 285DEG 35KT 3019 8517 2976 8520
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
42-DVD864
WWUS52 KTAE 101511
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
1111 AM EDT Sat Apr 10 2021
FLC045-101521-
/O.CAN.KTAE.SV.W.0063.000000T0000Z-210410T1530Z/
Gulf FL-
1111 AM EDT Sat Apr 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR GULF COUNTY IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 200 PM EDT/100 PM CDT/ for
Big Bend of Florida.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.
LAT...LON 2966 8543 2984 8534 2992 8532 3010 8530
3020 8524 3020 8512 3018 8514 3009 8515
2981 8502 2977 8509 2978 8511 2970 8522
2971 8501 2960 8505 2961 8506 2960 8507
2956 8506
TIME...MOT...LOC 1508Z 257DEG 36KT 3023 8496 2980 8499
$$
42-DVDThe 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, 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, 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.