Alert archive / South Carolina / Tornado Warnings in 2021
Tornado Warning 9, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Jul 8, 2021, 2:23 AM EDT for Charleston County, South Carolina. It was in force for 37 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
- Jul 8, 2021, 2:23 AM EDT (06:23 UTC)
- Expired
- Jul 8, 2021, 3:00 AM EDT
- In force
- 37 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Charleston County, SC
The radar
The Charleston,SC radar (KCLX), 122 km from the middle of the area, began a volume at 06:23 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 |
|---|---|---|---|
| Jul 7, 7:25 PM EDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 6.4 hours before the alert went out and 23 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
- 1185 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 801 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
401
WFUS52 KCHS 080623
TORCHS
SCC019-080700-
/O.NEW.KCHS.TO.W.0009.210708T0623Z-210708T0700Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
223 AM EDT Thu Jul 8 2021
The National Weather Service in Charleston has issued a
* Tornado Warning for portions of...
Charleston County in southeastern South Carolina...
* Until 300 AM EDT.
* At 223 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Isle Of Palms, moving north at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Mount Pleasant, Isle Of Palms, Awendaw, Mount Pleasant Regional
Airport and Capers Inlet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes from tropical storms or hurricanes can form and move very
quickly. TAKE COVER IMMEDIATELY! If you wait until you hear a tornado
it could be too late. Take action now to immediately protect
yourself.
&&
LAT...LON 3276 7979 3293 7982 3295 7977 3298 7970
3281 7970
TIME...MOT...LOC 0623Z 177DEG 23KT 3278 7975
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
SPR2 follow-up statements
067
WWUS52 KCHS 080634
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
234 AM EDT Thu Jul 8 2021
SCC019-080700-
/O.CON.KCHS.TO.W.0009.000000T0000Z-210708T0700Z/
Charleston SC-
234 AM EDT Thu Jul 8 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 AM EDT FOR
CHARLESTON COUNTY...
At 234 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Mount Pleasant Regional Airport, moving north at 35
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Mount Pleasant and Mount Pleasant Regional Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes from tropical storms or hurricanes can form and move very
quickly. TAKE COVER IMMEDIATELY! If you wait until you hear a tornado
it could be too late. Take action now to immediately protect
yourself.
&&
LAT...LON 3284 7978 3293 7979 3295 7977 3296 7974
3285 7971
TIME...MOT...LOC 0634Z 177DEG 31KT 3289 7976
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SPR222
WWUS52 KCHS 080656
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
256 AM EDT Thu Jul 8 2021
SCC019-080706-
/O.EXP.KCHS.TO.W.0009.000000T0000Z-210708T0700Z/
Charleston SC-
256 AM EDT Thu Jul 8 2021
...THE TORNADO WARNING FOR PORTIONS OF CHARLESTON COUNTY WILL EXPIRE
AT 300 AM EDT...
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.
LAT...LON 3284 7978 3293 7979 3295 7977 3296 7974
3285 7971
TIME...MOT...LOC 0656Z 177DEG 23KT 3302 7977
$$
SPRThe office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 9:03 PM EDT | Special Marine Warning | CHS | 117 min | |
| Jul 7, 9:23 PM EDT | Areal Flood Advisory | CHS | Jasper | 82 min |
| Jul 7, 10:39 PM EDT | Areal Flood Advisory | CHS | Beaufort, Jasper | 81 min |
| Jul 7, 10:46 PM EDT | Special Marine Warning | CHS | 89 min | |
| Jul 7, 10:58 PM EDT | Special Marine Warning | CHS | 32 min | |
| Jul 7, 11:23 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Colleton, Jasper | 67 min |
| Jul 7, 11:39 PM EDT | Tornado Warning | CHS | Beaufort, Jasper | 36 min |
| Jul 7, 11:48 PM EDT | Special Marine Warning | CHS | 87 min | |
| Jul 8, 12:10 AM EDT | Areal Flood Advisory | CHS | Beaufort, Charleston, Colleton, Hampton, Jasper | 3 hr |
| Jul 8, 12:23 AM EDT | Tornado Warning | CHS | Beaufort, Colleton | 37 min |
| Jul 8, 12:49 AM EDT | Special Marine Warning | CHS | 56 min | |
| Jul 8, 12:57 AM EDT | Special Marine Warning | CHS | 93 min | |
| Jul 8, 12:59 AM EDT | Tornado Warning | CHS | Charleston | 31 min |
| Jul 8, 1:08 AM EDT | Areal Flood Advisory | CHS | Berkeley, Charleston | 5 hr |
| Jul 8, 1:36 AM EDT | Tornado Warning | CHS | Charleston | 24 min |
| Jul 8, 1:50 AM EDT | Areal Flood Advisory | CHS | Berkeley, Charleston, Colleton, Dorchester | 115 min |
| Jul 8, 1:54 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Jul 8, 2:13 AM EDT | Special Weather Statement | CHS | Colleton | 32 min |
| Jul 8, 2:21 AM EDT | Special Marine Warning | CHS | 114 min | |
| Jul 8, 2:30 AM EDT | Special Marine Warning | CHS | 78 min | |
| Jul 8, 2:49 AM EDT | Tornado Warning | CHS | Berkeley, Charleston | 26 min |
| Jul 8, 3:08 AM EDT | Tornado Warning | CHS | Berkeley | 39 min |
| Jul 8, 3:16 AM EDT | Tornado Warning | CHS | Berkeley, Charleston | 14 min |
| Jul 8, 3:36 AM EDT | Special Weather Statement | CHS | Dorchester | 24 min |
| Jul 8, 3:58 AM EDT | Special Weather Statement | CHS | Dorchester | 32 min |
| Jul 8, 4:05 AM EDT | Special Marine Warning | CHS | 85 min | |
| Jul 8, 4:16 AM EDT | Tornado Warning | CHS | Berkeley, Charleston | 44 min |
| Jul 8, 8:05 AM EDT | Small Craft Advisory | CHS | 14 hr |
Nearby
Tornado Warnings in South Carolina, 2021Every tornado warning in 2021Tornadoes 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.