Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 137, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 12, 2021, 3:18 PM EDT for Gadsden County, Jackson County, Florida; Houston County, Alabama; Decatur County, Seminole County, Georgia. It was in force for 42 min. 3 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
- Jun 12, 2021, 3:18 PM EDT (19:18 UTC)
- Expired
- Jun 12, 2021, 4:00 PM EDT
- In force
- 42 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Houston County, AL, Gadsden County, FL, Jackson County, FL, Decatur County, GA, Seminole County, GA
The radar
The Tallahassee radar (KTLH), 69 km from the middle of the area, began a volume at 19:18 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 |
|---|---|---|---|
| Jun 12, 3:21 PM EDT | TSTM WND DMG | 4 S Jakin, GA | TREE DOWN AT OAKVIEW CHURCH POST RD AND HIGHWAY 285. |
| Jun 12, 3:30 PM EDT | TSTM WND DMG | 3 Se Dellwood, FL | NUMEROUS TREES DOWN ACROSS THE COUNTY. |
| Jun 12, 3:42 PM EDT | TSTM WND DMG | 2 Wnw Chattahoochee, FL | REPORTS OF CAPSIZED BOATS IN LAKE SEMINOLE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.3 hours before the alert went out and 71 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.
995
WUUS52 KTAE 121918
SVRTAE
ALC069-FLC039-063-GAC087-253-122000-
/O.NEW.KTAE.SV.W.0137.210612T1918Z-210612T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
318 PM EDT Sat Jun 12 2021
The National Weather Service in Tallahassee has issued a
* Severe Thunderstorm Warning for...
Southeastern Houston County in southeastern Alabama...
Eastern Jackson County in the Panhandle of Florida...
Northwestern Gadsden County in Big Bend of Florida...
Southwestern Decatur County in southwestern Georgia...
Seminole County in southwestern Georgia...
* Until 400 PM EDT/300 PM CDT/.
* At 318 PM EDT/218 PM CDT/, severe thunderstorms were located along
a line extending from near Donalsonville to 8 miles northeast of
Marianna, moving southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Chattahoochee, Malone, Sneads, Grand Ridge, Greenwood, Bascom,
Reynoldsville, Little Hope, Rosedale, Blue Spring, Recovery,
Lovedale, Jinks, Dellwood, Riverturn, Star, Hornsville, Buena
Vista, Marianna Municipal A/P and Seminole State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3072 8455 3054 8488 3060 8489 3061 8507
3090 8527 3108 8502 3107 8498
TIME...MOT...LOC 1918Z 320DEG 20KT 3102 8485 3086 8513
HAIL...<.75IN
WIND...60MPH
$$1 follow-up statement
199
WWUS52 KTAE 121936
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
336 PM EDT Sat Jun 12 2021
ALC069-121946-
/O.CAN.KTAE.SV.W.0137.000000T0000Z-210612T2000Z/
Houston AL-
336 PM EDT Sat Jun 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HOUSTON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3072 8455 3054 8488 3060 8489 3061 8507
3090 8527 3094 8510 3097 8499
TIME...MOT...LOC 1936Z 270DEG 20KT 3096 8478 3080 8506
$$
FLC039-063-GAC087-253-122000-
/O.CON.KTAE.SV.W.0137.000000T0000Z-210612T2000Z/
Jackson FL-Gadsden FL-Decatur GA-Seminole GA-
336 PM EDT Sat Jun 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM
EDT/300 PM CDT/ FOR EASTERN JACKSON...NORTHWESTERN GADSDEN...
SOUTHWESTERN DECATUR AND SOUTHERN SEMINOLE COUNTIES...
At 336 PM EDT/236 PM CDT/, severe thunderstorms were located along a
line extending from 8 miles southeast of Donalsonville to 10 miles
east of Marianna, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Chattahoochee, Sneads, Grand Ridge, Greenwood, Bascom, Rosedale, Blue
Spring, Recovery, Lovedale, Jinks, Dellwood, Star, Hornsville, Buena
Vista, Marianna Municipal A/P, Seminole State Park, Desser, Mount
Pleasant, Hardin Heights and Faceville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3072 8455 3054 8488 3060 8489 3061 8507
3090 8527 3094 8510 3097 8499
TIME...MOT...LOC 1936Z 270DEG 20KT 3096 8478 3080 8506
HAIL...<.75IN
WIND...60MPH
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 3:10 PM EDT | Special Weather Statement | TAE | Jackson | 65 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, 3:59 PM EDT | Severe Thunderstorm Warning | TAE | Calhoun, Gadsden, Jackson, Liberty | 31 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 |
| Jun 11, 8:19 PM EDT | Special Weather Statement | TAE | Henry | 41 min |
| Jun 12, 1:35 PM EDT | Special Weather Statement | TAE | Dale, Houston | 25 min |
| Jun 12, 1:59 PM EDT | Special Weather Statement | TAE | Dale, Henry, Houston | 31 min |
| Jun 12, 2:31 PM EDT | Special Weather Statement | TAE | Houston | 44 min |
| Jun 12, 4:55 PM EDT | Special Weather Statement | TAE | Coffee, Dale | 50 min |
| Jun 12, 5:46 PM EDT | Special Weather Statement | TAE | Coffee, Dale, Geneva | 59 min |
| Jun 12, 9:06 AM EDT | Special Weather Statement | TAE | Quitman | 24 min |
| Jun 12, 2:36 PM EDT | Special Weather Statement | TAE | Lanier, Lowndes | 39 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 |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Severe Thunderstorm Warnings in Georgia, 2021Severe Thunderstorm Warnings in Alabama, 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.