Alert archive / South Carolina / Tornado Warnings in 2010
Tornado Warning 9, NWS Columbia, SC
NWS Columbia, SC issued this tornado warning at Jul 12, 2010, 2:55 PM EDT for Chesterfield County, Lancaster County, South Carolina. It was in force for 50 min. 1 report 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
- Jul 12, 2010, 2:55 PM EDT (18:55 UTC)
- Expired
- Jul 12, 2010, 3:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
Counties Chesterfield County, SC, Lancaster County, SC
The radar
The Columbia radar (KCAE), 101 km from the middle of the area, began a volume at 18:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 12, 2:57 PM EDT | TORNADO | 10 Ene Lancaster, SC | AN EF1 TORNADO TOOK DOWN NUMEROUS TREES AND DID MINOR DAMAGE TO AROUND 25 HOMES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 12, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.9 hours before the alert went out and 165 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
- 2227 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 533 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
744
WFUS52 KCAE 121855
TORCAE
SCC025-057-121945-
/O.NEW.KCAE.TO.W.0009.100712T1855Z-100712T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
255 PM EDT MON JUL 12 2010
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN LANCASTER COUNTY IN CENTRAL SOUTH CAROLINA
NORTHWESTERN CHESTERFIELD COUNTY IN CENTRAL SOUTH CAROLINA
* UNTIL 345 PM EDT
* AT 247 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES WEST OF
PAGELAND...OR ABOUT 12 MILES EAST OF LANCASTER...MOVING SOUTH AT 15
MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
KERSHAW
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING ONE
INCH HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE...TOLL FREE 1 877 6 3
3...6 7 7 2.
LAT...LON 3461 8023 3461 8042 3451 8066 3481 8071
3481 8035
TIME...MOT...LOC 1855Z 345DEG 14KT 3475 8058
$$
LM1 follow-up statement
156
WWUS52 KCAE 121911
SVSCAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
311 PM EDT MON JUL 12 2010
SCC025-057-121945-
/O.CON.KCAE.TO.W.0009.000000T0000Z-100712T1945Z/
LANCASTER SC-CHESTERFIELD SC-
311 PM EDT MON JUL 12 2010
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR
CHESTERFIELD AND LANCASTER COUNTIES...
AT 305 PM EDT...THE PUBLIC REPORTED A POSSIBLE TORNADO. THIS
TORNADO WAS LOCATED ON SHALLOW UNITY ROAD...SOUTHEAST AT 15 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
JEFFERSON AND KERSHAW
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 877 6 3
3...6 7 7 2.
&&
LAT...LON 3461 8023 3461 8042 3451 8066 3481 8071
3481 8035
TIME...MOT...LOC 1910Z 345DEG 14KT 3469 8056
$$
LMThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 1:57 PM EDT | Severe Thunderstorm Warning | CAE | Lancaster | 63 min |
| Jul 12, 3:03 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw, Lancaster | 42 min |
| Jul 12, 3:18 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield, McCormick | 57 min |
| Jul 12, 3:20 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Orangeburg | 40 min |
| Jul 12, 3:31 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Barnwell, Orangeburg | 44 min |
| Jul 12, 3:45 PM EDT | Severe Thunderstorm Warning | CAE | Richland, Sumter | 45 min |
| Jul 12, 3:49 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw, Lancaster | 41 min |
| Jul 12, 4:12 PM EDT | Tornado Warning | CAE | Lancaster | 48 min |
| Jul 12, 4:20 PM EDT | Tornado Warning | CAE | Richland, Sumter | 25 min |
| Jul 12, 4:26 PM EDT | Severe Thunderstorm Warning | CAE | Orangeburg | 49 min |
| Jul 12, 4:30 PM EDT | Severe Thunderstorm Warning | CAE | Richland, Sumter | 45 min |
| Jul 12, 4:37 PM EDT | Areal Flood Advisory | CAE | Richland, Sumter | 113 min |
| Jul 12, 4:44 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Orangeburg, Richland | 46 min |
| Jul 12, 4:58 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Clarendon, Orangeburg, Sumter | 62 min |
| Jul 12, 5:13 PM EDT | Tornado Warning | CAE | Clarendon, Lee, Sumter | 47 min |
| Jul 12, 5:17 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Calhoun, Orangeburg | 20 min |
| Jul 12, 5:26 PM EDT | Tornado Warning | CAE | Calhoun, Clarendon, Orangeburg | 49 min |
| Jul 12, 5:53 PM EDT | Areal Flood Advisory | CAE | Calhoun, Clarendon, Kershaw, Lee, Orangeburg, Richland and 1 more | 112 min |
Nearby
Tornado Warnings in South Carolina, 2010Every tornado warning in 2010Tornadoes in 2010
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.