Alert archive / South Carolina / Tornado Warnings in 2017
Tornado Warning 34, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Sep 11, 2017, 1:53 PM EDT for Charleston County, Dorchester County, South Carolina. It was in force for 24 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
- Sep 11, 2017, 1:53 PM EDT (17:53 UTC)
- Expired
- Sep 11, 2017, 2:17 PM EDT
- In force
- 24 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Charleston County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 92 km from the middle of the area, began a volume at 17:54 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 |
|---|---|---|---|
| Sep 11, 1:46 PM EDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 5.9 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 902 m²/s²
- 0-3 km storm-relative helicity
- 1081 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
111
WFUS52 KCHS 111753
TORCHS
SCC019-035-111830-
/O.NEW.KCHS.TO.W.0034.170911T1753Z-170911T1830Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
153 PM EDT MON SEP 11 2017
The National Weather Service in Charleston has issued a
* Tornado Warning for portions of...
Charleston County in southeastern South Carolina...
Dorchester County in southeastern South Carolina...
* Until 230 PM EDT
* At 152 PM EDT, a severe thunderstorm capable of producing a tornado
was located 10 miles southwest of Charleston, moving northwest at
55 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...
Charleston, Hollywood, Folly Beach, Ravenel, Kiawah Island, Delemar
Crossroads and Johns Island.
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.
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3271 7997 3267 7999 3266 8001 3266 8000
3264 8001 3265 8001 3264 8002 3263 8001
3260 8003 3265 8018 3273 8012 3286 8031
3294 8024
TIME...MOT...LOC 1752Z 120DEG 48KT 3267 8006
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$2 follow-up statements
941
WWUS52 KCHS 111807
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
207 PM EDT MON SEP 11 2017
SCC019-035-111830-
/O.CON.KCHS.TO.W.0034.000000T0000Z-170911T1830Z/
Charleston SC-Dorchester SC-
207 PM EDT MON SEP 11 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM EDT FOR
CHARLESTON AND DORCHESTER COUNTIES...
At 206 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles south of Slands Bridge, moving northwest at 60
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Charleston, Hollywood, Ravenel and Delemar Crossroads.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes from tropical storms or hurricanes can form and move very
quickly. TAKE COVER IMMEDIATELY! If you wait until you hear a tornado
it could be too late. Take action now to immediately protect
yourself.
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3278 8005 3272 8010 3273 8012 3286 8031
3294 8024
TIME...MOT...LOC 1806Z 125DEG 54KT 3284 8029
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$536
WWUS52 KCHS 111817
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
217 PM EDT MON SEP 11 2017
SCC019-035-111826-
/O.CAN.KCHS.TO.W.0034.000000T0000Z-170911T1830Z/
Charleston SC-Dorchester SC-
217 PM EDT MON SEP 11 2017
...THE TORNADO WARNING FOR CHARLESTON AND DORCHESTER COUNTIES IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area therefore the warning has been cancelled.
LAT...LON 3278 8005 3272 8010 3273 8012 3286 8031
3294 8024
TIME...MOT...LOC 1815Z 120DEG 48KT 3291 8044
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 11:30 PM EDT | Hurricane Warning | CHS | 9 hr | |
| Sep 11, 3:12 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Sep 11, 3:12 AM EDT | Special Marine Warning | CHS | 63 min | |
| Sep 11, 3:49 AM EDT | Special Marine Warning | CHS | 56 min | |
| Sep 11, 4:19 AM EDT | Special Marine Warning | CHS | 86 min | |
| Sep 11, 5:18 AM EDT | Special Marine Warning | CHS | 117 min | |
| Sep 11, 7:01 AM EDT | Special Marine Warning | CHS | 119 min | |
| Sep 11, 7:41 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Sep 11, 7:45 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Sep 11, 8:16 AM EDT | Flash Flood Warning | CHS | Jasper | 8 hr |
| Sep 11, 8:36 AM EDT | Areal Flood Advisory | CHS | Beaufort, Jasper | 84 min |
| Sep 11, 9:22 AM EDT | Flash Flood Warning | CHS | Beaufort, Jasper | 8 hr |
| Sep 11, 9:31 AM EDT | Areal Flood Advisory | CHS | Allendale, Hampton, Jasper | 119 min |
| Sep 11, 9:41 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Sep 11, 9:50 AM EDT | Special Marine Warning | CHS | 115 min | |
| Sep 11, 10:31 AM EDT | Special Marine Warning | CHS | 119 min | |
| Sep 11, 10:44 AM EDT | Flash Flood Warning | CHS | Allendale, Hampton, Jasper | 7 hr |
| Sep 11, 10:45 AM EDT | River Flood Warning | CHS | Berkeley, Georgetown, Williamsburg | 24 hr |
| Sep 11, 11:24 AM EDT | Flash Flood Warning | CHS | Berkeley, Charleston, Colleton, Dorchester | 15 hr |
| Sep 11, 11:38 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Sep 11, 11:44 AM EDT | Areal Flood Advisory | CHS | Allendale | 2 hr |
| Sep 11, 11:51 AM EDT | Areal Flood Advisory | CHS | Allendale, Colleton, Dorchester, Hampton | 114 min |
| Sep 11, 12:01 PM EDT | Tornado Warning | CHS | Beaufort, Charleston, Colleton | 29 min |
| Sep 11, 12:23 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Sep 11, 12:37 PM EDT | Tornado Warning | CHS | Charleston | 23 min |
| Sep 11, 12:40 PM EDT | Special Marine Warning | CHS | 65 min | |
| Sep 11, 12:54 PM EDT | Flash Flood Warning | CHS | Allendale, Colleton, Dorchester, Hampton | 9 hr |
| Sep 11, 12:59 PM EDT | Tornado Warning | CHS | Charleston, Dorchester | 31 min |
| Sep 11, 1:10 PM EDT | Tornado Warning | CHS | Charleston, Colleton | 35 min |
| Sep 11, 1:49 PM EDT | Tornado Warning | CHS | Charleston, Colleton, Dorchester | 26 min |
| Sep 11, 2:11 PM EDT | Special Marine Warning | CHS | 94 min | |
| Sep 11, 2:45 PM EDT | Tornado Warning | CHS | Beaufort, Colleton | 30 min |
| Sep 11, 2:46 PM EDT | Tornado Warning | CHS | Berkeley, Charleston, Dorchester | 16 min |
| Sep 11, 3:10 PM EDT | Flash Flood Warning | CHS | Berkeley, Colleton, Dorchester | 7 hr |
| Sep 11, 3:58 PM EDT | Special Marine Warning | CHS | 32 min | |
| Sep 11, 4:43 PM EDT | Special Marine Warning | CHS | 62 min | |
| Sep 11, 4:48 PM EDT | Areal Flood Warning | CHS | Jasper | 7 hr |
| Sep 11, 5:16 PM EDT | Areal Flood Warning | CHS | Allendale, Beaufort, Hampton, Jasper | 7 hr |
Nearby
Tornado Warnings in South Carolina, 2017Every tornado warning in 2017Tornadoes in 2017
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.