Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 34, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 15, 2021, 10:26 PM EDT for Chatham County, Effingham County, Georgia; Beaufort County, Jasper County, South Carolina. It was in force for 64 min. 1 report 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 15, 2021, 10:26 PM EDT (02:26 UTC)
- Expired
- Jun 15, 2021, 11:30 PM EDT
- In force
- 64 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Chatham County, GA, Effingham County, GA, Beaufort County, SC, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 43 km from the middle of the area, began a volume at 02:29 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 15, 10:37 PM EDT | HAIL 1 | 4 Ssw Jasper, SC | A TRAINED SPOTTER REPORTED QUARTER SIZE HAIL NEAR SUNBEAM DRIVE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 2.4 hours before the alert went out and 123 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
- 1364 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1817 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.6
The text
As transmitted.
910
WUUS52 KCHS 160226
SVRCHS
GAC051-103-SCC013-053-160330-
/O.NEW.KCHS.SV.W.0034.210616T0226Z-210616T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
1026 PM EDT Tue Jun 15 2021
The National Weather Service in Charleston has issued a
* Severe Thunderstorm Warning for portions of...
Effingham County in southeastern Georgia...
Chatham County in southeastern Georgia...
Beaufort County in southeastern South Carolina...
Jasper County in southeastern South Carolina...
* Until 1130 PM EDT.
* At 1026 PM EDT, severe thunderstorms were located along a line
extending from near Marlow to near Hardeeville, moving east at 20
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...
Hilton Head Island, Bluffton, Beaufort, Port Royal, Springfield,
Bellinger Hill Area, Godley Station, Savannah International
Airport, Jasper, Rincon, Port Wentworth, Hardeeville, Rose Hill,
Stillwell and Purysburgh.
This warning includes the following interstates:
I-95 in South Carolina between mile markers 2 and 17.
I-95 in Georgia between mile markers 108 and 112.
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 3237 8133 3247 8067 3217 8066 3214 8070
3218 8141 3220 8142
TIME...MOT...LOC 0226Z 253DEG 19KT 3225 8132 3230 8105
HAIL...1.00IN
WIND...60MPH
$$3 follow-up statements
605
WWUS52 KCHS 160241
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1041 PM EDT Tue Jun 15 2021
GAC051-103-SCC013-053-160330-
/O.CON.KCHS.SV.W.0034.000000T0000Z-210616T0330Z/
Effingham GA-Chatham GA-Beaufort SC-Jasper SC-
1041 PM EDT Tue Jun 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR EFFINGHAM...CHATHAM...BEAUFORT AND JASPER COUNTIES...
At 1040 PM EDT, severe thunderstorms were located along a line
extending from near Port Wentworth to Rose Hill, moving east at 35
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Trained weather spotters. At 1037 PM, a trainer weather
spotter reported hail to the size of quarters north of
Prichardville.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and powerlines.
Locations impacted include...
Hilton Head Island, Bluffton, Beaufort, Port Royal, Bellinger Hill
Area, Godley Station, Savannah International Airport, Jasper, Rincon,
Port Wentworth, Hardeeville, Rose Hill, Purysburgh, Pritchardville
and Parris Island.
This warning includes the following interstates:
I-95 in South Carolina between mile markers 2 and 12.
I-95 in Georgia between mile markers 108 and 112.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3231 8125 3243 8067 3217 8066 3214 8070
3218 8141 3220 8142
TIME...MOT...LOC 0240Z 274DEG 29KT 3223 8121 3230 8090
HAIL...1.00IN
WIND...60MPH
$$310
WWUS52 KCHS 160304
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1104 PM EDT Tue Jun 15 2021
GAC051-103-160313-
/O.CAN.KCHS.SV.W.0034.000000T0000Z-210616T0330Z/
Effingham GA-Chatham GA-
1104 PM EDT Tue Jun 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR EFFINGHAM AND CHATHAM COUNTIES
IS CANCELLED...
The immediate risk for severe weather has ended.
LAT...LON 3216 8113 3218 8112 3227 8067 3217 8066
3214 8070
TIME...MOT...LOC 0303Z 269DEG 24KT 3217 8095 3225 8069
$$
SCC013-053-160330-
/O.CON.KCHS.SV.W.0034.000000T0000Z-210616T0330Z/
Beaufort SC-Jasper SC-
1104 PM EDT Tue Jun 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR BEAUFORT AND JASPER COUNTIES...
At 1103 PM EDT, severe thunderstorms were located along a line
extending from Bluffton to Hilton Head Airport, moving east at 30
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Trained weather spotters. This line of storms has a history
of producing large hail and damaging winds as it moved
across Hardeville and areas near Pritchardville.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and powerlines.
Locations impacted include...
Hilton Head Island, Bluffton, Bellinger Hill Area, Folly Field,
Hilton Head Airport and Forest Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3216 8113 3218 8112 3227 8067 3217 8066
3214 8070
TIME...MOT...LOC 0303Z 269DEG 24KT 3217 8095 3225 8069
HAIL...1.00IN
WIND...60MPH
$$927
WWUS52 KCHS 160320
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1120 PM EDT Tue Jun 15 2021
SCC013-053-160330-
/O.EXP.KCHS.SV.W.0034.000000T0000Z-210616T0330Z/
Beaufort SC-Jasper SC-
1120 PM EDT Tue Jun 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF BEAUFORT AND
JASPER COUNTIES WILL EXPIRE AT 1130 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire.
LAT...LON 3216 8113 3218 8112 3227 8067 3217 8066
3214 8070
TIME...MOT...LOC 0320Z 253DEG 19KT 3219 8086 3227 8060
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 10:18 PM EDT | Special Weather Statement | CHS | Effingham | 27 min |
| Jun 15, 10:56 PM EDT | Special Weather Statement | CHS | Chatham | 19 min |
| Jun 15, 8:02 PM EDT | Severe Thunderstorm Warning | CHS | Charleston, Colleton | 37 min |
| Jun 15, 8:16 PM EDT | Special Weather Statement | CHS | Berkeley | 29 min |
| Jun 15, 8:21 PM EDT | Special Marine Warning | CHS | 114 min | |
| Jun 15, 8:43 PM EDT | Special Weather Statement | CHS | Dorchester | 32 min |
| Jun 15, 9:42 PM EDT | Special Marine Warning | CHS | 36 min | |
| Jun 15, 10:16 PM EDT | Special Marine Warning | CHS | 49 min | |
| Jun 15, 10:21 PM EDT | Areal Flood Advisory | CHS | Charleston | 114 min |
| Jun 15, 10:51 PM EDT | Special Marine Warning | CHS | 84 min | |
| Jun 16, 4:28 PM EDT | Special Weather Statement | CHS | Charleston | 32 min |
| Jun 16, 5:27 PM EDT | Special Marine Warning | CHS | 93 min | |
| Jun 16, 5:44 PM EDT | Special Weather Statement | CHS | Dorchester | 31 min |
| Jun 16, 5:46 PM EDT | Areal Flood Advisory | CHS | Charleston, Colleton, Dorchester | 89 min |
| Jun 16, 6:15 PM EDT | Special Marine Warning | CHS | 90 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2021Severe Thunderstorm Warnings in South Carolina, 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.