Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 32, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 15, 2021, 7:46 PM EDT for Berkeley County, Charleston County, South Carolina. It was in force for 59 min. 6 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 15, 2021, 7:46 PM EDT (23:46 UTC)
- Expired
- Jun 15, 2021, 8:45 PM EDT
- In force
- 59 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Berkeley County, SC, Charleston County, SC
The radar
The Charleston,SC radar (KCLX), 99 km from the middle of the area, began a volume at 23:50 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, 7:50 PM EDT | HAIL 1 | 2 Ssw Shadowmoss, SC | THE PUBLIC REPORTED QUARTER SIZE HAIL IN GRAND OAK PLANTATION. |
| Jun 15, 7:51 PM EDT | TSTM WND DMG | 3 Ssw Shadowmoss, SC | THE PUBLIC REPORTED 2 TREES APPROXIMATELY 1 FOOT IN DIAMETER SNAPPED 10 FEET OFF THE GROUND NEAR THE INTERSECTION OF BIMIMI DRIVE AND BLUEWATER WAY. |
| Jun 15, 8:05 PM EDT | TSTM WND DMG | 2 Ssw North Charleston, SC | A TREE WAS REPORTED DOWN NEAR RIVER REACH WAY. |
| Jun 15, 8:05 PM EDT | HAIL 1 | 2 Wsw Charleston, SC | THE PUBLIC REPORTED QUARTER SIZE HAIL AT SOUTH WINDERMERE |
| Jun 15, 8:14 PM EDT | HAIL 1 | 1 Se James Island, SC | THE PUBLIC REPORTED QUARTER SIZE HAIL NEAR LIGHTHOUSE POINT. |
| Jun 15, 8:23 PM EDT | HAIL 1 | 3 Ne Mount Pleasant, SC | THE MEDIA REPORTED QUARTER SIZE HAIL NEAR THE INTERSECTION OF RIFLE RANGE ROAD AND THE IOP CONNECTOR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 15, 1:58 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 11.8 hours before the alert went out and 12 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
- 1323 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1170 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
335
WUUS52 KCHS 152346
SVRCHS
SCC015-019-160045-
/O.NEW.KCHS.SV.W.0032.210615T2346Z-210616T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
746 PM EDT Tue Jun 15 2021
The National Weather Service in Charleston has issued a
* Severe Thunderstorm Warning for portions of...
Charleston County in southeastern South Carolina...
Berkeley County in southeastern South Carolina...
* Until 845 PM EDT.
* At 746 PM EDT, a severe thunderstorm was located over West Ashley,
moving southeast 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...
North Charleston, Mount Pleasant, Downtown Charleston, West Ashley,
Fort Sumter, I-26/I-526 Interchange, Daniel Island, Johns Island,
Hollywood, Isle Of Palms, Folly Beach, Ravenel, Sullivan's Island,
Sullivans Island and James Island County Park.
This warning includes the following interstates:
I-26 between mile markers 214 and 221.
I-526 between mile markers 11 and 18, and between mile markers 28
and 31.
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 3280 7971 3273 7985 3267 7986 3264 7989
3264 7990 3279 8021 3282 8018 3282 8015
3285 8017 3290 8012 3289 8010 3291 8009
TIME...MOT...LOC 2346Z 292DEG 18KT 3281 8008
HAIL...1.00IN
WIND...60MPH
$$3 follow-up statements
444
WWUS52 KCHS 152355
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
755 PM EDT Tue Jun 15 2021
SCC015-019-160045-
/O.CON.KCHS.SV.W.0032.000000T0000Z-210616T0045Z/
Charleston SC-Berkeley SC-
755 PM EDT Tue Jun 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR CHARLESTON AND BERKELEY COUNTIES...
At 755 PM EDT, a severe thunderstorm was located over West Ashley,
moving east at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Trained weather spotters. At 750 PM, a trained weather
spotter reported quarter size hail in the Grand Oaks
Planation subdivision in West Ashley.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and powerlines.
Locations impacted include...
North Charleston, Mount Pleasant, Downtown Charleston, West Ashley,
Fort Sumter, I-26/I-526 Interchange, Daniel Island, Johns Island,
Hollywood, Isle Of Palms, Folly Beach, Ravenel, Sullivan's Island,
Sullivans Island and James Island County Park.
This warning includes the following interstates:
I-26 between mile markers 214 and 221.
I-526 between mile markers 11 and 18, and between mile markers 28
and 31.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.
&&
LAT...LON 3280 7971 3273 7985 3267 7986 3264 7989
3264 7990 3279 8021 3282 8018 3282 8015
3285 8017 3290 8012 3289 8010 3291 8009
TIME...MOT...LOC 2355Z 292DEG 18KT 3279 8003
HAIL...1.00IN
WIND...60MPH
$$756
WWUS52 KCHS 160019
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
819 PM EDT Tue Jun 15 2021
SCC015-019-160045-
/O.CON.KCHS.SV.W.0032.000000T0000Z-210616T0045Z/
Charleston SC-Berkeley SC-
819 PM EDT Tue Jun 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR CHARLESTON AND BERKELEY COUNTIES...
At 818 PM EDT, a severe thunderstorm was located over Fort Johnson,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Public. Nickle to Quarter size hail was recently reported
in South Windermere and Downtown Charleston.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and powerlines.
Locations impacted include...
Mount Pleasant, Downtown Charleston, Fort Sumter, Daniel Island,
West Ashley, Isle Of Palms, Folly Beach, Sullivan's Island,
Sullivans Island, James Island County Park, Fort Johnson, Mount
Pleasant Towne Centre and James Island.
This warning includes the following interstates:
I-26 between mile markers 220 and 221.
I-526 between mile markers 28 and 31.
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 3273 7985 3267 7986 3273 8001 3279 7998
3279 7996 3280 7997 3285 7994 3282 7993
3283 7993 3287 7994 3280 7971
TIME...MOT...LOC 0018Z 285DEG 20KT 3277 7988
HAIL...1.00IN
WIND...60MPH
$$163
WWUS52 KCHS 160040
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
840 PM EDT Tue Jun 15 2021
SCC015-019-160050-
/O.EXP.KCHS.SV.W.0032.000000T0000Z-210616T0045Z/
Charleston SC-Berkeley SC-
840 PM EDT Tue Jun 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF CHARLESTON AND
BERKELEY COUNTIES WILL EXPIRE AT 845 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
LAT...LON 3273 7985 3267 7986 3273 8001 3279 7998
3279 7996 3280 7997 3285 7994 3282 7993
3283 7993 3287 7994 3280 7971
TIME...MOT...LOC 0040Z 292DEG 18KT 3273 7977
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 2:54 AM EDT | Small Craft Advisory | CHS | 28 hr | |
| Jun 15, 4:27 PM EDT | Special Weather Statement | CHS | Berkeley | 33 min |
| Jun 15, 4:37 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Dorchester | 38 min |
| Jun 15, 5:13 PM EDT | Special Weather Statement | CHS | Charleston | 32 min |
| Jun 15, 5:44 PM EDT | Special Weather Statement | CHS | Charleston | 31 min |
| Jun 15, 5:52 PM EDT | Special Marine Warning | CHS | 68 min | |
| Jun 15, 6:27 PM EDT | Special Marine Warning | CHS | 63 min | |
| Jun 15, 6:57 PM EDT | Special Marine Warning | CHS | 33 min | |
| Jun 15, 7:00 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley | 45 min |
| Jun 15, 7:09 PM EDT | Special Weather Statement | CHS | Jasper | 36 min |
| Jun 15, 7:15 PM EDT | Special Weather Statement | CHS | Allendale | 30 min |
| Jun 15, 7:26 PM EDT | Special Marine Warning | CHS | 64 min | |
| Jun 15, 7:37 PM EDT | Special Weather Statement | CHS | Charleston | 23 min |
| Jun 15, 7:42 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Jun 15, 7:43 PM EDT | Special Weather Statement | CHS | Charleston | 32 min |
| Jun 15, 7:44 PM EDT | Special Marine Warning | CHS | 46 min | |
| Jun 15, 7:54 PM EDT | Special Weather Statement | CHS | Berkeley | 36 min |
| Jun 15, 7:58 PM EDT | Areal Flood Advisory | CHS | Charleston | 3 hr |
Nearby
Severe 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.