Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 69, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at May 4, 2021, 9:45 PM EDT for Coffee County, Georgia. It was in force for 30 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
- May 4, 2021, 9:45 PM EDT (01:45 UTC)
- Expired
- May 4, 2021, 10:15 PM EDT
- In force
- 30 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Coffee County, GA
The radar
The Moody AFB radar (KVAX), 98 km from the middle of the area, began a volume at 01:48 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 00:00Z, 1.8 hours before the alert went out and 183 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
- 587 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1741 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
341
WUUS52 KJAX 050145
SVRJAX
GAC069-050215-
/O.NEW.KJAX.SV.W.0069.210505T0145Z-210505T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
945 PM EDT Tue May 4 2021
The National Weather Service in Jacksonville has issued a
* Severe Thunderstorm Warning for...
North central Coffee County in southeastern Georgia...
* Until 1015 PM EDT.
* At 944 PM EDT, a severe thunderstorm was located near Jacksonville,
or 11 miles north of Ambrose, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
north central Coffee County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3173 8284 3168 8300 3178 8300 3178 8299
3179 8299 3179 8297 3178 8295 3179 8294
3178 8292 3179 8290 3178 8289 3179 8288
3178 8287 3181 8284
TIME...MOT...LOC 0144Z 251DEG 25KT 3176 8301
HAIL...<.75IN
WIND...60MPH
$$
ZIBURA2 follow-up statements
764
WWUS52 KJAX 050159
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
959 PM EDT Tue May 4 2021
GAC069-050215-
/O.CON.KJAX.SV.W.0069.000000T0000Z-210505T0215Z/
Coffee GA-
959 PM EDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR NORTH CENTRAL COFFEE COUNTY...
At 959 PM EDT, a severe thunderstorm was located near Jacksonville,
or 10 miles north of Broxton, moving east at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of north
central Coffee County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3173 8284 3168 8300 3178 8300 3178 8299
3179 8299 3179 8297 3178 8295 3179 8294
3178 8292 3179 8290 3178 8289 3179 8288
3178 8287 3181 8284
TIME...MOT...LOC 0159Z 253DEG 18KT 3178 8294
HAIL...<.75IN
WIND...60MPH
$$
ZIBURA894
WWUS52 KJAX 050207
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
1007 PM EDT Tue May 4 2021
GAC069-050217-
/O.EXP.KJAX.SV.W.0069.000000T0000Z-210505T0215Z/
Coffee GA-
1007 PM EDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL COFFEE COUNTY
WILL EXPIRE AT 1015 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 3173 8284 3168 8300 3178 8300 3178 8299
3179 8299 3179 8297 3178 8295 3179 8294
3178 8292 3179 8290 3178 8289 3179 8288
3178 8287 3181 8284
TIME...MOT...LOC 0207Z 251DEG 25KT 2953 8111
$$
KBThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 9:19 PM EDT | Special Weather Statement | JAX | Telfair | 26 min |
| May 4, 10:12 PM EDT | Special Weather Statement | JAX | Jeff Davis | 48 min |
| May 4, 10:39 PM EDT | Special Weather Statement | JAX | Coffee | 51 min |
| May 4, 10:54 PM EDT | Severe Thunderstorm Warning | JAX | Atkinson, Bacon, Coffee, Jeff Davis | 51 min |
| May 4, 11:31 PM EDT | Special Weather Statement | JAX | Clinch, Echols, Ware | 59 min |
| May 4, 11:38 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Atkinson, Bacon, Coffee, Jeff Davis, Pierce and 1 more | 52 min |
| May 5, 12:06 AM EDT | Special Weather Statement | JAX | Appling, Brantley, Pierce, Wayne | 39 min |
| May 5, 12:23 AM EDT | Special Weather Statement | JAX | Charlton, Clinch, Echols, Ware | 52 min |
| May 5, 12:45 AM EDT | Special Weather Statement | JAX | Brantley, Camden, Glynn, Wayne | 60 min |
| May 5, 1:01 AM EDT | Special Weather Statement | JAX | Charlton, Echols | 44 min |
| May 5, 5:57 PM EDT | Special Weather Statement | JAX | Charlton | 48 min |
| May 5, 6:19 PM EDT | Special Weather Statement | JAX | Charlton | 26 min |
| May 5, 6:30 PM EDT | Special Weather Statement | JAX | Echols | 30 min |
| May 5, 7:13 PM EDT | Special Weather Statement | JAX | Camden | 47 min |
Nearby
Severe 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.