Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 66, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 11, 2021, 2:59 AM EDT for Franklin County, Gulf County, Liberty County, Florida. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 11, 2021, 2:59 AM EDT (06:59 UTC)
- Expired
- Apr 11, 2021, 4:00 AM EDT
- In force
- 61 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Franklin County, FL, Gulf County, FL, Liberty County, FL
The radar
The Tallahassee radar (KTLH), 103 km from the middle of the area, began a volume at 07:02 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.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 7.0 hours before the alert went out and 105 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1513 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
664
WUUS52 KTAE 110659
SVRTAE
FLC037-045-077-110800-
/O.NEW.KTAE.SV.W.0066.210411T0659Z-210411T0800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
259 AM EDT Sun Apr 11 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Gulf County in the Panhandle of Florida...
Southern Liberty County in Big Bend of Florida...
Franklin County in Big Bend of Florida...
* Until 400 AM EDT/300 AM CDT/.
* At 259 AM EDT/159 AM CDT/, a severe thunderstorm was located 9
miles southwest of Port St. Joe, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Carrabelle, Eastpoint, Apalachicola, St George Island, Port St.
Joe, Mexico Beach, Franklin, Carrabelle Beach, East Camp, Jewel
Fire Tower, Royal Bluff, Eleven Mile, St George Island St Pk,
Odena, Cape San Blas, Indian Pass, Beverly, Milltown, Poplar Camp
and Bay City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2960 8524 2960 8539 2975 8549 2988 8549
2992 8554 2995 8544 2993 8539 2997 8539
3021 8472 2982 8446 2981 8450 2963 8473
2957 8491 2954 8510
TIME...MOT...LOC 0659Z 255DEG 43KT 2970 8538
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
062
WWUS52 KTAE 110734
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
334 AM EDT Sun Apr 11 2021
FLC037-045-077-110800-
/O.CON.KTAE.SV.W.0066.000000T0000Z-210411T0800Z/
Gulf FL-Liberty FL-Franklin FL-
334 AM EDT Sun Apr 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM
EDT/300 AM CDT/ FOR GULF...SOUTHERN LIBERTY AND FRANKLIN COUNTIES...
At 334 AM EDT/234 AM CDT/, a severe thunderstorm was located near
Eastpoint, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Carrabelle, Eastpoint, Apalachicola, St George Island, Port St. Joe,
Mexico Beach, Franklin, Carrabelle Beach, East Camp, Jewel Fire
Tower, Royal Bluff, Eleven Mile, St George Island St Pk, Odena, Cape
San Blas, Indian Pass, Beverly, Milltown, Poplar Camp and Bay City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2960 8524 2960 8539 2975 8549 2988 8549
2992 8554 2995 8544 2993 8539 2997 8539
3021 8472 2982 8446 2981 8450 2963 8473
2957 8491 2954 8510
TIME...MOT...LOC 0734Z 255DEG 43KT 2981 8491
HAIL...1.00IN
WIND...60MPH
$$925
WWUS52 KTAE 110756
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
356 AM EDT Sun Apr 11 2021
FLC037-045-077-110806-
/O.EXP.KTAE.SV.W.0066.000000T0000Z-210411T0800Z/
Gulf FL-Liberty FL-Franklin FL-
356 AM EDT Sun Apr 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR GULF...SOUTHERN LIBERTY AND
FRANKLIN COUNTIES WILL EXPIRE AT 400 AM EDT/300 AM CDT/...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.
LAT...LON 2960 8524 2960 8539 2975 8549 2988 8549
2992 8554 2995 8544 2993 8539 2997 8539
3021 8472 2982 8446 2981 8450 2963 8473
2957 8491 2954 8510
TIME...MOT...LOC 0756Z 255DEG 43KT 2987 8464
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 2:36 AM EDT | Special Marine Warning | TAE | 114 min | |
| Apr 11, 3:25 AM EDT | Special Marine Warning | TAE | 65 min | |
| Apr 11, 3:53 AM EDT | Special Marine Warning | TAE | 82 min | |
| Apr 11, 3:59 AM EDT | Special Weather Statement | TAE | Gulf, Liberty, Wakulla | 61 min |
| Apr 11, 4:30 AM EDT | Special Marine Warning | TAE | 2 hr | |
| Apr 11, 4:39 AM EDT | Special Weather Statement | TAE | Bay, Calhoun | 51 min |
| Apr 11, 4:57 AM EDT | Special Weather Statement | TAE | Dixie, Lafayette, Madison, Taylor | 48 min |
| Apr 11, 5:13 AM EDT | Special Marine Warning | TAE | 92 min | |
| Apr 11, 5:36 AM EDT | Severe Thunderstorm Warning | TAE | Dixie | 39 min |
| Apr 11, 5:44 AM EDT | Special Weather Statement | TAE | Madison | 46 min |
| Apr 11, 6:26 AM EDT | Special Marine Warning | TAE | 3 hr | |
| Apr 11, 6:42 AM EDT | Special Marine Warning | TAE | 63 min | |
| Apr 11, 7:10 AM EDT | Special Weather Statement | TAE | Bay, Gulf | 50 min |
| Apr 11, 9:12 AM EDT | Special Weather Statement | TAE | Lafayette | 48 min |
| Apr 11, 9:17 AM EDT | Special Marine Warning | TAE | 63 min | |
| Apr 11, 2:10 PM EDT | Special Weather Statement | TAE | Bay | 35 min |
| Apr 11, 3:04 PM EDT | Special Weather Statement | TAE | Liberty | 26 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.