Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 83, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 12, 2021, 3:22 PM EDT for Baker County, Columbia County, Hamilton County, Florida; 4 counties in Georgia. It was in force for 53 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, 3:22 PM EDT (19:22 UTC)
- Expired
- Jun 12, 2021, 4:15 PM EDT
- In force
- 53 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Baker County, FL, Columbia County, FL, Hamilton County, FL, Charlton County, GA, Clinch County, GA, Echols County, GA, Ware County, GA
The radar
The Moody AFB radar (KVAX), 46 km from the middle of the area, began a volume at 19:22 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
Jacksonville, FL (KJAX), launched 12:00Z, 7.4 hours before the alert went out and 87 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
- 467 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1010 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
877 WUUS52 KJAX 121922 SVRJAX FLC003-023-047-GAC049-065-101-299-122015- /O.NEW.KJAX.SV.W.0083.210612T1922Z-210612T2015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Jacksonville FL 322 PM EDT Sat Jun 12 2021 The National Weather Service in Jacksonville has issued a * Severe Thunderstorm Warning for... Northwestern Baker County in northeastern Florida... Northeastern Columbia County in northern Florida... Hamilton County in northern Florida... Echols County in southeastern Georgia... Southeastern Ware County in southeastern Georgia... Southern Clinch County in southeastern Georgia... West central Charlton County in southeastern Georgia... * Until 415 PM EDT. * At 322 PM EDT, severe thunderstorms were located along a line extending from 10 miles southeast of Du Pont to near Jennings, moving east at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Jasper, Jennings, Fargo, Stephen Foster State Park, Statenville, Needmore and Belmont. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. These storms may cause serious injury and significant property damage. 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 3081 8219 3030 8252 3055 8321 3097 8280 TIME...MOT...LOC 1922Z 289DEG 24KT 3086 8279 3064 8306 TORNADO...POSSIBLE HAIL...0.75IN WIND...60MPH $$ HESS
2 follow-up statements
103 WWUS52 KJAX 121935 SVSJAX Severe Weather Statement National Weather Service Jacksonville FL 335 PM EDT Sat Jun 12 2021 FLC003-023-047-GAC049-065-101-299-122015- /O.CON.KJAX.SV.W.0083.000000T0000Z-210612T2015Z/ Baker FL-Columbia FL-Hamilton FL-Echols GA-Ware GA-Clinch GA- Charlton GA- 335 PM EDT Sat Jun 12 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR NORTHWESTERN BAKER...NORTHEASTERN COLUMBIA...NORTHEASTERN HAMILTON...SOUTHEASTERN ECHOLS...SOUTHEASTERN WARE...SOUTHEASTERN CLINCH AND WEST CENTRAL CHARLTON COUNTIES... At 335 PM EDT, severe thunderstorms were located along a line extending from 11 miles north of Needmore to near Statenville, moving east at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Jasper, Fargo, Stephen Foster State Park, Belmont and Needmore. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. These storms may cause serious injury and significant property damage. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3081 8219 3030 8252 3053 8307 3094 8270 TIME...MOT...LOC 1935Z 289DEG 24KT 3084 8273 3062 8300 TORNADO...POSSIBLE HAIL...0.75IN WIND...60MPH $$ HESS
879 WWUS52 KJAX 121953 SVSJAX Severe Weather Statement National Weather Service Jacksonville FL 353 PM EDT Sat Jun 12 2021 FLC003-023-047-GAC049-065-101-299-122015- /O.CON.KJAX.SV.W.0083.000000T0000Z-210612T2015Z/ Baker FL-Columbia FL-Hamilton FL-Echols GA-Ware GA-Clinch GA- Charlton GA- 353 PM EDT Sat Jun 12 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR NORTHWESTERN BAKER...NORTHEASTERN COLUMBIA...NORTHEASTERN HAMILTON...SOUTHEASTERN ECHOLS...SOUTHEASTERN WARE...SOUTHEASTERN CLINCH AND WEST CENTRAL CHARLTON COUNTIES... At 353 PM EDT, severe thunderstorms were located along a line extending from 9 miles north of Needmore to 6 miles northeast of Jasper, moving east at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Jasper, Fargo, Stephen Foster State Park, Belmont and Needmore. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. These storms may cause serious injury and significant property damage. 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 3081 8219 3030 8252 3050 8301 3091 8257 TIME...MOT...LOC 1953Z 289DEG 24KT 3081 8263 3059 8291 TORNADO...POSSIBLE HAIL...0.75IN WIND...60MPH $$ HESS
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 12:51 PM EDT | Special Weather Statement | JAX | Gilchrist | 24 min |
| Jun 12, 1:22 PM EDT | Special Weather Statement | JAX | Alachua, Bradford, Clay, Gilchrist, Putnam, Union | 38 min |
| Jun 12, 1:50 PM EDT | Special Weather Statement | JAX | Clay, Putnam | 40 min |
| Jun 12, 1:59 PM EDT | Special Weather Statement | JAX | Suwannee | 46 min |
| Jun 12, 2:11 PM EDT | Special Weather Statement | JAX | Bradford, Clay | 49 min |
| Jun 12, 2:15 PM EDT | Special Marine Warning | JAX | 90 min | |
| Jun 12, 2:46 PM EDT | Special Weather Statement | JAX | Hamilton | 44 min |
| Jun 12, 2:50 PM EDT | Special Weather Statement | JAX | Clay, Saint Johns | 40 min |
| Jun 12, 2:51 PM EDT | Special Marine Warning | JAX | 84 min | |
| Jun 12, 2:53 PM EDT | Special Weather Statement | JAX | Columbia, Union | 37 min |
| Jun 12, 2:59 PM EDT | Severe Thunderstorm Warning | JAX | Duval | 14 min |
| Jun 12, 3:25 PM EDT | Special Weather Statement | JAX | Nassau | 50 min |
| Jun 12, 3:27 PM EDT | Special Weather Statement | JAX | Suwannee | 48 min |
| Jun 12, 3:33 PM EDT | Special Marine Warning | JAX | 87 min | |
| Jun 12, 4:10 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia, Hamilton, Nassau, Union | 25 min |
| Jun 12, 4:15 PM EDT | Special Weather Statement | JAX | Nassau | 45 min |
| Jun 12, 5:26 PM EDT | Special Marine Warning | JAX | 64 min | |
| Jun 12, 2:02 PM EDT | Special Weather Statement | JAX | Glynn | 43 min |
| Jun 12, 3:46 PM EDT | Special Weather Statement | JAX | Wayne | 44 min |
| Jun 12, 4:27 PM EDT | Special Weather Statement | JAX | Wayne | 48 min |
| Jun 12, 4:37 PM EDT | Special Weather Statement | JAX | Camden | 38 min |
| Jun 12, 5:00 PM EDT | Special Weather Statement | JAX | Brantley | 30 min |
| Jun 12, 5:10 PM EDT | Special Weather Statement | JAX | Brantley, Pierce | 50 min |
| Jun 12, 5:20 PM EDT | Severe Thunderstorm Warning | JAX | Brantley | 25 min |
| Jun 12, 5:22 PM EDT | Special Weather Statement | JAX | Atkinson | 53 min |
| Jun 12, 5:37 PM EDT | Special Weather Statement | JAX | Jeff Davis | 38 min |
| Jun 12, 5:53 PM EDT | Special Weather Statement | JAX | Brantley, Pierce | 52 min |
| Jun 12, 5:56 PM EDT | Special Weather Statement | JAX | Atkinson | 49 min |
| Jun 12, 6:44 PM EDT | Special Weather Statement | JAX | Atkinson | 46 min |
| Jun 12, 7:02 PM EDT | Special Weather Statement | JAX | Coffee | 28 min |
| Jun 12, 7:12 PM EDT | Special Weather Statement | JAX | Wayne | 33 min |
| Jun 12, 7:21 PM EDT | Severe Thunderstorm Warning | JAX | Atkinson, Clinch, Coffee | 39 min |
| Jun 12, 7:31 PM EDT | Special Weather Statement | JAX | Wayne | 44 min |
| Jun 12, 7:42 PM EDT | Special Weather Statement | JAX | Appling, Jeff Davis | 48 min |
| Jun 12, 7:45 PM EDT | Special Weather Statement | JAX | Bacon | 30 min |
| Jun 12, 7:57 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Bacon, Coffee, Jeff Davis | 33 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2021Severe 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.