Alert archive / South Carolina / Tornado Warnings in 2017
Tornado Warning 18, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at May 4, 2017, 7:51 PM EDT for Colleton County, South Carolina. It was in force for 24 min. 5 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
- May 4, 2017, 7:51 PM EDT (23:51 UTC)
- Expired
- May 4, 2017, 8:15 PM EDT
- In force
- 24 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Colleton County, SC
The radar
The Charleston,SC radar (KCLX), 37 km from the middle of the area, began a volume at 23:54 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 7:55 PM EDT | TSTM WND DMG | 5 Nnw Hendersonville, SC | WINDOWNS BLOW OUT OF AND ROOF DAMAGE TO HOUSE IN THE 1500 BLOCK OF CANE BREAK RD. POSSIBLE TORNADO |
| May 4, 7:58 PM EDT | TSTM WND DMG | 4 Wsw Walterboro, SC | SEVERAL POWER LINES SNAPPED. ONE TREE SNAPPED IN HALF. DAMAGE DUE TO POSSIBLE TORNADO. |
| May 4, 7:58 PM EDT | TSTM WND DMG | 4 Wsw Walterboro, SC | SEVERAL POWER POLES SNAPPED. ONE TREE SNAPPED IN HALF. DAMAGE DUE TO POSSIBLE TORNADO. |
| May 4, 8:04 PM EDT | TSTM WND DMG | 5 Wnw Walterboro, SC | SC STATE HWY PATROL REPORTS A TREE DOWN AT THE INTERSECTION OF PENNY CREEK RD AND DOCTORS CREEK RD. POSSIBLE TORNADO |
| May 4, 8:10 PM EDT | TSTM WND DMG | 3 Nw Walterboro, SC | TRAINED SPOTTER REPORTS HWY 64 BLOCKED BY NUMEROUS TREES DOWN JUST WEST OF INTERSTATE 95. POSSIBLE TORNADO |
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 12:00Z, 11.9 hours before the alert went out and 67 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
- 10 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 1414 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
322
WFUS52 KCHS 042351
TORCHS
SCC029-050015-
/O.NEW.KCHS.TO.W.0018.170504T2351Z-170505T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
751 PM EDT THU MAY 4 2017
The National Weather Service in Charleston has issued a
* Tornado Warning for portions of...
Colleton County in southeastern South Carolina...
* Until 815 PM EDT
* At 751 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southwest of Walterboro, moving northeast 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...
Walterboro and Hendersonville.
This warning includes I-95 in South Carolina between mile markers 47
and 61.
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 3276 8073 3281 8085 3301 8074 3291 8054
TIME...MOT...LOC 2351Z 217DEG 28KT 3283 8075
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
JRL2 follow-up statements
427
WWUS52 KCHS 042357
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
757 PM EDT THU MAY 4 2017
SCC029-050015-
/O.CON.KCHS.TO.W.0018.000000T0000Z-170505T0015Z/
Colleton SC-
757 PM EDT THU MAY 4 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR COLLETON
COUNTY...
At 756 PM EDT, a severe thunderstorm capable of producing a tornado
was located 3 miles southwest of Walterboro, moving northeast at 20
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Walterboro.
This warning includes I-95 in South Carolina between mile markers 52
and 61.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3282 8071 3287 8080 3301 8074 3291 8054
TIME...MOT...LOC 2356Z 212DEG 18KT 3285 8074
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
JRL770
WWUS52 KCHS 050006
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
806 PM EDT THU MAY 4 2017
SCC029-050015-
/O.CON.KCHS.TO.W.0018.000000T0000Z-170505T0015Z/
Colleton SC-
806 PM EDT THU MAY 4 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR COLLETON
COUNTY...
At 805 PM EDT, a severe thunderstorm capable of producing a tornado
was located 3 miles west of Walterboro, moving northeast at 30 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...
Northern Walterboro.
This warning includes I-95 in South Carolina between mile markers 56
and 61.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3288 8069 3290 8076 3300 8072 3294 8060
TIME...MOT...LOC 0005Z 203DEG 26KT 3291 8071
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
JRLThe office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 2:59 PM EDT | High Surf Advisory | CHS | 8 hr | |
| May 4, 3:02 PM EDT | Gale Warning | CHS | 13 hr | |
| May 4, 4:46 PM EDT | Severe Thunderstorm Warning | CHS | Hampton, Jasper | 44 min |
| May 4, 5:30 PM EDT | Special Marine Warning | CHS | 90 min | |
| May 4, 5:30 PM EDT | Special Weather Statement | CHS | Hampton | 30 min |
| May 4, 6:12 PM EDT | Special Weather Statement | CHS | Jasper | 33 min |
| May 4, 6:15 PM EDT | Special Marine Warning | CHS | 2 hr | |
| May 4, 6:27 PM EDT | Severe Thunderstorm Warning | CHS | Jasper | 48 min |
| May 4, 7:01 PM EDT | Special Marine Warning | CHS | 119 min | |
| May 4, 7:40 PM EDT | Special Weather Statement | CHS | Colleton | 35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.