Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 53, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Dec 30, 2021, 8:17 PM EST for Bulloch County, Effingham County, Georgia. It was in force for 43 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
- Dec 30, 2021, 8:17 PM EST (01:17 UTC)
- Expired
- Dec 30, 2021, 9:00 PM EST
- In force
- 43 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Bulloch County, GA, Effingham County, GA
The radar
The Charleston,SC radar (KCLX), 57 km from the middle of the area, began a volume at 01:17 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 30, 2:05 PM EST | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 1.3 hours before the alert went out and 157 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
- 142 J/kg
- Mixed-layer CIN
- -204 J/kg
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -129 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.5
The text
As transmitted.
755
WUUS52 KCHS 310117
SVRCHS
GAC031-103-310200-
/O.NEW.KCHS.SV.W.0053.211231T0117Z-211231T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
817 PM EST Thu Dec 30 2021
The National Weather Service in Charleston has issued a
* Severe Thunderstorm Warning for portions of...
Bulloch County in southeastern Georgia...
Effingham County in southeastern Georgia...
* Until 900 PM EST.
* At 816 PM EST, a severe thunderstorm was located over Brooklet,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and powerlines.
* Locations impacted include:
Guyton, Brooklet, Pineora, Egypt, Shawnee, Leefield and Stilson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3232 8171 3244 8170 3254 8130 3228 8137
TIME...MOT...LOC 0116Z 266DEG 22KT 3237 8166
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$2 follow-up statements
889
WWUS52 KCHS 310135
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
835 PM EST Thu Dec 30 2021
GAC031-103-310200-
/O.CON.KCHS.SV.W.0053.000000T0000Z-211231T0200Z/
Bulloch GA-Effingham GA-
835 PM EST Thu Dec 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EST
FOR PORTIONS OF BULLOCH AND EFFINGHAM COUNTIES...
At 834 PM EST, a severe thunderstorm was located near Stilson, moving
east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and powerlines.
Locations impacted include:
Guyton, Shawnee and Pineora.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3236 8158 3242 8156 3253 8132 3254 8130
3228 8137 3229 8145
TIME...MOT...LOC 0134Z 262DEG 23KT 3238 8152
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$274
WWUS52 KCHS 310154
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
854 PM EST Thu Dec 30 2021
GAC031-310204-
/O.CAN.KCHS.SV.W.0053.000000T0000Z-211231T0200Z/
Bulloch GA-
854 PM EST Thu Dec 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF BULLOCH COUNTY IS
CANCELLED...
The immediate risk for severe weather has ended.
LAT...LON 3240 8143 3244 8142 3248 8132 3236 8135
3237 8141
TIME...MOT...LOC 0154Z 255DEG 24KT 3241 8137
$$
GAC103-310200-
/O.CON.KCHS.SV.W.0053.000000T0000Z-211231T0200Z/
Effingham GA-
854 PM EST Thu Dec 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EST
FOR PORTIONS OF EFFINGHAM COUNTY...
At 854 PM EST, a severe thunderstorm was located near Springfield,
moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and powerlines.
This severe thunderstorm will remain over mainly rural areas of
Effingham County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3240 8143 3244 8142 3248 8132 3236 8135
3237 8141
TIME...MOT...LOC 0154Z 255DEG 24KT 3241 8137
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 7:06 PM EST | Special Weather Statement | CHS | Bulloch, Candler | 39 min |
| Dec 30, 7:30 PM EST | Tornado Warning | CHS | Bulloch, Candler | 30 min |
| Dec 30, 8:00 PM EST | Special Weather Statement | CHS | Bulloch | 30 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.