Alert archive / South Carolina / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 2
The Storm Prediction Center issued this severe thunderstorm watch at Jan 11, 2014, 9:30 AM EST for 4 counties in Georgia; 8 counties in North Carolina; 16 counties in South Carolina. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 11, 2014, 9:30 AM EST (14:30 UTC)
- Expired
- Jan 11, 2014, 3:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 60 kt
All 28 counties
Columbia County, GA, Elbert County, GA, Lincoln County, GA, McDuffie County, GA, Cabarrus County, NC, Cleveland County, NC, Gaston County, NC, Lincoln County, NC, Mecklenburg County, NC, Polk County, NC, Rutherford County, NC, Union County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Lancaster County, SC, Laurens County, SC, McCormick County, SC, Newberry County, SC, Saluda County, SC, Spartanburg County, SC, Union County, SC, York County, SC
The radar
The Greer radar (KGSP), 53 km from the middle of the area, began a volume at 14:33 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 9:43 AM EST | Tornado Warning | GSP | Abbeville, Anderson, Greenville, Laurens | 47 min |
| Jan 11, 9:51 AM EST | Severe Thunderstorm Warning | GSP | Cleveland, Henderson, Polk, Rutherford | 54 min |
| Jan 11, 10:15 AM EST | Flash Flood Warning | GSP | Cabarrus, Mecklenburg, Union | 6 hr |
| Jan 11, 10:19 AM EST | Severe Thunderstorm Warning | CAE | Fairfield, Newberry | 56 min |
| Jan 11, 10:24 AM EST | Severe Thunderstorm Warning | GSP | Cleveland, Gaston, Lincoln, Mecklenburg, Rutherford | 66 min |
| Jan 11, 10:41 AM EST | Severe Thunderstorm Warning | GSP | Alexander, Burke, Caldwell, Catawba, Iredell, Lincoln | 49 min |
| Jan 11, 11:13 AM EST | Severe Thunderstorm Warning | GSP | Cabarrus, Catawba, Davie, Gaston, Iredell, Lincoln and 3 more | 62 min |
| Jan 11, 11:15 AM EST | Severe Thunderstorm Warning | CAE | Fairfield, Lancaster, Newberry | 60 min |
| Jan 11, 12:09 PM EST | Tornado Warning | GSP | Cabarrus | 21 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 2.5 hours before the alert went out and 254 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
- 496 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 472 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
752 WWUS20 KWNS 111430 SEL2 SPC WW 111430 GAZ000-NCZ000-SCZ000-112000- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 2 NWS STORM PREDICTION CENTER NORMAN OK 930 AM EST SAT JAN 11 2014 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF FAR NORTHEAST GEORGIA WESTERN NORTH CAROLINA WESTERN SOUTH CAROLINA * EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 930 AM UNTIL 300 PM EST. * PRIMARY THREATS INCLUDE... SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE MILES EAST AND WEST OF A LINE FROM 85 MILES SOUTH OF GREENVILLE SOUTH CAROLINA TO 35 MILES NORTHWEST OF CHARLOTTE NORTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. && OTHER WATCH INFORMATION...CONTINUE...WW 1... DISCUSSION...A BOWING LINE SEGMENT MOVING OUT OF THE SOUTHERN APPALACHIANS WILL INTENSIFY THIS MORNING AS IT ENCOUNTERS AN INCREASINGLY WARM AND MOIST AIR MASS OVER THE PIEDMONT. WHILE A BRIEF TORNADO IS POSSIBLE...DAMAGING WINDS WILL BE THE PRIMARY HAZARD. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 26040. ...MEAD
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 8:03 AM EST | Mesoscale Discussion | SPC | Baker, Baldwin, Bibb, Bleckley, Butts, Calhoun and 53 more | 27 min |
| Jan 11, 8:07 AM EST | Tornado Watch | SPC | Baldwin, Barrow, Bibb, Bleckley, Butts, Chattahoochee and 63 more | 7 hr |
| Jan 11, 9:22 AM EST | Mesoscale Discussion | SPC | Hart | 23 min |
| Jan 11, 11:04 AM EST | Severe Thunderstorm Watch | SPC | Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more | 6 hr |
| Jan 11, 11:50 AM EST | Tornado Watch | SPC | Burke, Richmond | 6 hr |
| Jan 11, 12:17 PM EST | Mesoscale Discussion | SPC | Appling, Bacon, Baldwin, Ben Hill, Bleckley, Bryan and 32 more | 58 min |
| Jan 11, 1:51 PM EST | Tornado Watch | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 20 more | 3 hr |
| Jan 11, 1:53 PM EST | Mesoscale Discussion | SPC | Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 23 more | 97 min |
| Jan 11, 2:04 PM EST | Mesoscale Discussion | SPC | Richmond | 56 min |
| Jan 11, 3:35 PM EST | Mesoscale Discussion | SPC | Brantley, Bryan, Camden, Charlton, Chatham, Effingham and 8 more | 55 min |
| Jan 11, 11:12 AM EST | Mesoscale Discussion | SPC | Alamance, Anson, Caswell, Chatham, Cumberland, Durham and 22 more | 63 min |
| Jan 11, 2:13 PM EST | Tornado Watch | SPC | Beaufort, Brunswick, Carteret, Columbus, Craven, Dare and 13 more | 5 hr |
| Jan 11, 2:30 PM EST | Tornado Watch | SPC | Bertie, Camden, Chowan, Currituck, Gates, Hertford and 3 more | 4 hr |
| Jan 11, 4:14 PM EST | Mesoscale Discussion | SPC | Bertie, Camden, Chowan, Currituck, Edgecombe, Gates and 6 more | 61 min |
| Jan 11, 4:37 PM EST | Mesoscale Discussion | SPC | Beaufort, Brunswick, Carteret, Columbus, Craven, Hyde and 5 more | 53 min |
Nearby
Severe Thunderstorm Watches in South Carolina, 2014Severe Thunderstorm Watches in North Carolina, 2014Severe Thunderstorm Watches in Georgia, 2014Every severe thunderstorm watch in 2014
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.