Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 139, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 12, 2021, 3:59 PM EDT for Decatur County, Seminole County, Georgia; 4 counties in Florida. It was in force for 31 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
- Jun 12, 2021, 3:59 PM EDT (19:59 UTC)
- Expired
- Jun 12, 2021, 4:30 PM EDT
- In force
- 31 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Calhoun County, FL, Gadsden County, FL, Jackson County, FL, Liberty County, FL, Decatur County, GA, Seminole County, GA
The radar
The Tallahassee radar (KTLH), 51 km from the middle of the area, began a volume at 20:02 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 12:00Z, 8.0 hours before the alert went out and 54 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
- 1723 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 555 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
817
WUUS52 KTAE 121959
SVRTAE
FLC013-039-063-077-GAC087-253-122030-
/O.NEW.KTAE.SV.W.0139.210612T1959Z-210612T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
359 PM EDT Sat Jun 12 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Southeastern Jackson County in the Panhandle of Florida...
Northeastern Calhoun County in the Panhandle of Florida...
Western Gadsden County in Big Bend of Florida...
Northeastern Liberty County in Big Bend of Florida...
Southwestern Decatur County in southwestern Georgia...
Southern Seminole County in southwestern Georgia...
* Until 430 PM EDT/330 PM CDT/.
* At 359 PM EDT/259 PM CDT/, a severe thunderstorm was located near
Chattahoochee, or 15 miles northeast of Blountstown, moving
southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Greensboro, Chattahoochee, Sneads, Telogia, Rock Bluff, Juniper,
Hosford, Hardin Heights, Rosedale, Hardaway, Sycamore, Lowry,
Wetumpka, Torreya State Park, Sawdust, Roy, River Junction, Clio
and Ocheesee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3030 8486 3062 8504 3073 8486 3071 8485
3071 8481 3047 8456
TIME...MOT...LOC 1959Z 323DEG 24KT 3062 8490
HAIL...<.75IN
WIND...60MPH
$$1 follow-up statement
771
WWUS52 KTAE 122027
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
427 PM EDT Sat Jun 12 2021
FLC013-039-063-077-GAC087-253-122036-
/O.EXP.KTAE.SV.W.0139.000000T0000Z-210612T2030Z/
Jackson FL-Calhoun FL-Gadsden FL-Liberty FL-Decatur GA-Seminole GA-
427 PM EDT Sat Jun 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JACKSON AND
NORTHEASTERN CALHOUN COUNTIES IN THE PANHANDLE OF FLORIDA...WESTERN
GADSDEN AND NORTHEASTERN LIBERTY COUNTIES IN BIG BEND OF FLORIDA...
SOUTHWESTERN DECATUR AND SOUTHERN SEMINOLE COUNTIES IN SOUTHWESTERN
GEORGIA WILL EXPIRE AT 430 PM EDT/330 PM CDT/...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 3030 8486 3062 8504 3073 8486 3071 8485
3071 8481 3047 8456
TIME...MOT...LOC 2026Z 323DEG 24KT 3049 8479
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 9:06 AM EDT | Special Weather Statement | TAE | Quitman | 24 min |
| Jun 12, 1:59 PM EDT | Special Weather Statement | TAE | Early | 31 min |
| Jun 12, 2:31 PM EDT | Special Weather Statement | TAE | Early, Miller, Seminole | 44 min |
| Jun 12, 2:36 PM EDT | Special Weather Statement | TAE | Lanier, Lowndes | 39 min |
| Jun 12, 3:10 PM EDT | Special Weather Statement | TAE | Decatur, Seminole | 65 min |
| Jun 12, 3:18 PM EDT | Severe Thunderstorm Warning | TAE | Decatur, Seminole | 42 min |
| Jun 12, 6:09 PM EDT | Special Weather Statement | TAE | Ben Hill | 51 min |
| Jun 12, 6:19 PM EDT | Special Weather Statement | TAE | Ben Hill, Calhoun, Dougherty, Irwin, Lee, Randolph and 3 more | 56 min |
| Jun 12, 6:21 PM EDT | Severe Thunderstorm Warning | TAE | Ben Hill, Irwin | 24 min |
| Jun 12, 6:50 PM EDT | Severe Thunderstorm Warning | TAE | Ben Hill, Berrien, Colquitt, Irwin, Lee, Tift and 2 more | 40 min |
| Jun 12, 7:13 PM EDT | Severe Thunderstorm Warning | TAE | Berrien, Colquitt, Cook, Lanier, Tift, Worth | 62 min |
| Jun 12, 11:28 AM EDT | Special Weather Statement | TAE | Bay | 32 min |
| Jun 12, 12:01 PM EDT | Special Weather Statement | TAE | Bay | 29 min |
| Jun 12, 12:05 PM EDT | Special Weather Statement | TAE | Lafayette | 25 min |
| Jun 12, 12:07 PM EDT | Special Weather Statement | TAE | Taylor | 38 min |
| Jun 12, 12:20 PM EDT | Special Weather Statement | TAE | Calhoun | 40 min |
| Jun 12, 12:30 PM EDT | Special Marine Warning | TAE | 2 hr | |
| Jun 12, 12:42 PM EDT | Special Weather Statement | TAE | Lafayette | 33 min |
| Jun 12, 1:00 PM EDT | Special Weather Statement | TAE | Liberty | 30 min |
| Jun 12, 1:05 PM EDT | Special Weather Statement | TAE | Leon | 25 min |
| Jun 12, 1:16 PM EDT | Special Weather Statement | TAE | Lafayette | 29 min |
| Jun 12, 1:31 PM EDT | Special Weather Statement | TAE | Wakulla | 44 min |
| Jun 12, 1:44 PM EDT | Special Weather Statement | TAE | Walton | 31 min |
| Jun 12, 1:45 PM EDT | Special Marine Warning | TAE | 45 min | |
| Jun 12, 2:12 PM EDT | Special Weather Statement | TAE | Jefferson, Wakulla | 33 min |
| Jun 12, 2:21 PM EDT | Special Weather Statement | TAE | Washington | 24 min |
| Jun 12, 2:27 PM EDT | Special Marine Warning | TAE | 63 min | |
| Jun 12, 2:45 PM EDT | Special Weather Statement | TAE | Bay | 45 min |
| Jun 12, 2:48 PM EDT | Special Weather Statement | TAE | Lafayette | 42 min |
| Jun 12, 3:25 PM EDT | Special Weather Statement | TAE | Bay | 50 min |
| Jun 12, 3:38 PM EDT | Special Weather Statement | TAE | Gadsden, Leon | 52 min |
| Jun 12, 3:50 PM EDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon, Liberty, Wakulla | 40 min |
| Jun 12, 4:14 PM EDT | Special Weather Statement | TAE | Calhoun, Liberty | 61 min |
| Jun 12, 4:30 PM EDT | Special Weather Statement | TAE | Gadsden | 45 min |
| Jun 12, 4:39 PM EDT | Special Weather Statement | TAE | Franklin | 51 min |
| Jun 12, 5:16 PM EDT | Special Marine Warning | TAE | 79 min | |
| Jun 12, 5:35 PM EDT | Special Weather Statement | TAE | Franklin | 25 min |
| Jun 12, 5:55 PM EDT | Special Weather Statement | TAE | Holmes, Washington | 50 min |
| Jun 12, 6:05 PM EDT | Severe Thunderstorm Warning | TAE | Holmes | 40 min |
| Jun 12, 6:46 PM EDT | Special Weather Statement | TAE | Holmes, Washington | 44 min |
| Jun 12, 7:19 PM EDT | Special Marine Warning | TAE | 86 min | |
| Jun 12, 7:28 PM EDT | Special Weather Statement | TAE | Bay, Walton, Washington | 47 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Severe Thunderstorm Warnings in Georgia, 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.