Alert archive / South Carolina / Tornado Warnings in 2017
Tornado Warning 8, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Feb 15, 2017, 12:21 PM EST for Berkeley County, South Carolina. It was in force for 24 min. 2 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
- Feb 15, 2017, 12:21 PM EST (17:21 UTC)
- Expired
- Feb 15, 2017, 12:45 PM EST
- In force
- 24 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Berkeley County, SC
The radar
The Charleston,SC radar (KCLX), 141 km from the middle of the area, began a volume at 17:24 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 |
|---|---|---|---|
| Feb 15, 12:25 PM EST | HAIL 1.5 | 1 Se Bonneau Beach, SC | LOCAL TV STATION RELAYED REPORT OF PING PONG BALL SIZE HAIL NEAR BONNEAU BEACH... AS WELL AS A VIDEO SHOWING QUARTER SIZE HAIL AT BONN GROCERY. |
| Feb 15, 12:29 PM EST | HAIL 1.75 | 5 Ese Bonneau, SC | TRAINED SPOTTER REPORTED GOLF BALL SIZE HAIL |
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, 5.4 hours before the alert went out and 49 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.
482
WFUS52 KCHS 151721
TORCHS
SCC015-151745-
/O.NEW.KCHS.TO.W.0008.170215T1721Z-170215T1745Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
1221 PM 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...
* Until 1245 PM EST
* At 1220 PM EST, a severe thunderstorm capable of producing a
tornado was located near Moncks Corner, moving east 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...
Moncks Corner, St. Stephen, Bonneau, Jamestown, Southern Lake
Moultrie, Cross, Northern Lake Moultrie and Bonneau Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. 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
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3343 7988 3337 7980 3338 7979 3332 7974
3332 7970 3327 7956 3324 7950 3325 7948
3321 7945 3319 7949 3314 7952 3316 7956
3313 7964 3310 7966 3315 8026 3338 8015
3344 7987
TIME...MOT...LOC 1720Z 257DEG 49KT 3328 8002
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$2 follow-up statements
762
WWUS52 KCHS 151731
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1231 PM EST WED FEB 15 2017
SCC015-151745-
/O.CON.KCHS.TO.W.0008.000000T0000Z-170215T1745Z/
Berkeley SC-
1231 PM EST WED FEB 15 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM EST FOR BERKELEY
COUNTY...
At 1231 PM EST, a severe thunderstorm capable of producing a tornado
was located 12 miles northeast of Moncks Corner, moving east at 55
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Moncks Corner, St. Stephen, Bonneau, Jamestown, Southern Lake
Moultrie, Bonneau Beach, Old Santee Canal State Park and Pinopolis.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.
&&
LAT...LON 3342 7987 3337 7980 3338 7979 3332 7974
3332 7970 3327 7956 3324 7950 3325 7948
3321 7945 3319 7949 3314 7952 3316 7956
3313 7964 3310 7966 3315 8026 3329 8005
3344 7987
TIME...MOT...LOC 1731Z 247DEG 49KT 3330 7985
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$506
WWUS52 KCHS 151742
SVSCHS
Severe Weather Statement
National Weather Service Charleston SC
1242 PM EST WED FEB 15 2017
SCC015-151751-
/O.EXP.KCHS.TO.W.0008.000000T0000Z-170215T1745Z/
Berkeley SC-
1242 PM EST WED FEB 15 2017
...THE TORNADO WARNING FOR BERKELEY COUNTY WILL EXPIRE AT 1245 PM
EST...
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire. However gusty
thunderstorm winds in excess of 40 mph are still possible with this
thunderstorm.
LAT...LON 3342 7987 3337 7980 3338 7979 3332 7974
3332 7970 3327 7956 3324 7950 3325 7948
3321 7945 3319 7949 3314 7952 3316 7956
3313 7964 3310 7966 3315 8026 3329 8005
3344 7987
TIME...MOT...LOC 1741Z 257DEG 49KT 3333 7971
$$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, 11:57 AM EST | Tornado Warning | CHS | Berkeley, Dorchester | 33 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, 12:25 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.