Alert archive / South Carolina / Tornado Warnings in 2017
Tornado Warning 7, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Feb 15, 2017, 11:57 AM EST for Berkeley County, Dorchester County, South Carolina. It was in force for 33 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
- Feb 15, 2017, 11:57 AM EST (16:57 UTC)
- Expired
- Feb 15, 2017, 12:30 PM EST
- In force
- 33 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Berkeley County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 95 km from the middle of the area, began a volume at 16:56 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 nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 5.0 hours before the alert went out and 51 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
- 1230 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
638
WFUS52 KCHS 151657
TORCHS
SCC015-035-151730-
/O.NEW.KCHS.TO.W.0007.170215T1657Z-170215T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
1157 AM EST WED FEB 15 2017
The National Weather Service in Charleston has issued a
* Tornado Warning for portions of...
Berkeley County in southeastern South Carolina...
Dorchester County in southeastern South Carolina...
* Until 1230 PM EST
* At 1156 AM EST, a severe thunderstorm capable of producing a
tornado was located near Indian Field, moving east at 55 mph.
HAZARD...Tornado and quarter size hail.
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...
Saint George, Indian Field, Dorchester, St. George, Harleyville and
Cross.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3310 8004 3316 8064 3328 8062 3333 8050
3328 8049 3326 8043 3327 8039 3326 8036
3328 8035 3327 8030 3330 8025 3335 8024
3338 8024 3340 8014
TIME...MOT...LOC 1656Z 268DEG 49KT 3327 8049
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$2 follow-up statements
183
WWUS52 KCHS 151709
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1209 PM EST WED FEB 15 2017
SCC015-035-151730-
/O.CON.KCHS.TO.W.0007.000000T0000Z-170215T1730Z/
Berkeley SC-Dorchester SC-
1209 PM EST WED FEB 15 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM EST FOR BERKELEY
AND DORCHESTER COUNTIES...
At 1208 PM EST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located 15
miles north of Givhans Ferry State Park, moving east at 55 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Saint George, Dorchester, St. George, Harleyville and Cross.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3316 8060 3323 8053 3327 8050 3328 8049
3326 8043 3327 8039 3326 8036 3328 8035
3327 8030 3330 8025 3335 8024 3338 8024
3340 8014 3310 8004
TIME...MOT...LOC 1708Z 257DEG 49KT 3324 8028
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$318
WWUS52 KCHS 151718
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1218 PM EST WED FEB 15 2017
SCC015-035-151730-
/O.CON.KCHS.TO.W.0007.000000T0000Z-170215T1730Z/
Berkeley SC-Dorchester SC-
1218 PM EST WED FEB 15 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM EST FOR BERKELEY
AND DORCHESTER COUNTIES...
At 1217 PM EST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Cross, moving east at 55 mph.
HAZARD...Tornado and quarter size hail.
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...
Cross.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3318 8027 3321 8031 3326 8036 3328 8035
3327 8030 3330 8025 3335 8024 3338 8024
3340 8014 3315 8008
TIME...MOT...LOC 1717Z 268DEG 49KT 3325 8009
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 10:54 AM EST | Severe Thunderstorm Warning | CHS | Berkeley | 35 min |
| Feb 15, 11:18 AM EST | Special Weather Statement | CHS | Hampton | 27 min |
| Feb 15, 11:45 AM EST | Severe Thunderstorm Warning | CHS | Berkeley, Colleton, Dorchester | 45 min |
| Feb 15, 11:58 AM EST | Special Weather Statement | CHS | Colleton | 32 min |
| Feb 15, 12:00 PM EST | Special Weather Statement | CHS | Jasper | 30 min |
| Feb 15, 12:21 PM EST | Tornado Warning | CHS | Berkeley | 24 min |
| Feb 15, 12:25 PM EST | Special Weather Statement | CHS | Charleston | 35 min |
| Feb 15, 12:27 PM EST | Special Marine Warning | CHS | 2 hr | |
| Feb 15, 12:47 PM EST | Special Weather Statement | CHS | Charleston | 28 min |
| Feb 15, 12:49 PM EST | Special Weather Statement | CHS | Beaufort | 26 min |
| Feb 15, 12:53 PM EST | Special Marine Warning | CHS | 112 min |
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.