Alert archive / South Carolina / Tornado Watches in 2008
Tornado Watch 166
The Storm Prediction Center issued this tornado watch at Apr 4, 2008, 6:10 PM EDT for 5 counties in Georgia; 17 counties in North Carolina; 29 counties in South Carolina. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 4, 2008, 6:10 PM EDT (22:10 UTC)
- Expired
- Apr 5, 2008, 1:00 AM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 51 counties
Burke County, GA, Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Anson County, NC, Cabarrus County, NC, Cleveland County, NC, Cumberland County, NC, Gaston County, NC, Harnett County, NC, Hoke County, NC, Lee County, NC, Lincoln County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Richmond County, NC, Robeson County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, Marlboro County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC
The radar
The Columbia radar (KCAE), 65 km from the middle of the area, began a volume at 22:10 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 6:33 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Newberry | 42 min |
| Apr 4, 6:46 PM EDT | Severe Thunderstorm Warning | GSP | Chester, Laurens, Union, York | 59 min |
| Apr 4, 6:49 PM EDT | Tornado Warning | CAE | Fairfield | 41 min |
| Apr 4, 7:15 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson, Greenville, Greenwood, Laurens | 75 min |
| Apr 4, 7:29 PM EDT | Severe Thunderstorm Warning | CAE | Newberry | 46 min |
| Apr 4, 7:42 PM EDT | Tornado Warning | CAE | Lancaster | 48 min |
| Apr 4, 7:55 PM EDT | Tornado Warning | GSP | Union | 29 min |
| Apr 4, 8:02 PM EDT | Severe Thunderstorm Warning | CAE | Lincoln | 43 min |
| Apr 4, 8:17 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield | 43 min |
| Apr 4, 8:20 PM EDT | Severe Thunderstorm Warning | GSP | Chester | 55 min |
| Apr 4, 8:33 PM EDT | Tornado Warning | CAE | Newberry | 42 min |
| Apr 4, 8:35 PM EDT | Severe Thunderstorm Warning | GSP | Greenwood, Laurens, Union | 35 min |
| Apr 4, 8:47 PM EDT | Severe Thunderstorm Warning | RAH | Anson | 43 min |
| Apr 4, 9:00 PM EDT | Severe Thunderstorm Warning | CAE | Newberry | 45 min |
| Apr 4, 9:08 PM EDT | Tornado Warning | GSP | York | 33 min |
| Apr 4, 9:12 PM EDT | Severe Thunderstorm Warning | CAE | Saluda | 33 min |
| Apr 4, 9:22 PM EDT | Tornado Warning | GSP | Chester | 27 min |
| Apr 4, 9:28 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg, Union | 62 min |
| Apr 4, 9:31 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Lexington, Newberry, Richland | 44 min |
| Apr 4, 9:38 PM EDT | Severe Thunderstorm Warning | CAE | Lancaster | 56 min |
| Apr 4, 9:56 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield | 19 min |
| Apr 4, 10:01 PM EDT | Severe Thunderstorm Warning | RAH | Anson, Montgomery, Richmond, Stanly | 44 min |
| Apr 4, 10:15 PM EDT | Severe Thunderstorm Warning | RAH | Lee, Moore | 45 min |
| Apr 4, 10:40 PM EDT | Severe Thunderstorm Warning | RAH | Lee | 35 min |
| Apr 4, 10:45 PM EDT | Severe Thunderstorm Warning | RAH | Anson, Montgomery, Richmond | 45 min |
| Apr 4, 10:51 PM EDT | Severe Thunderstorm Warning | RAH | Moore | 39 min |
| Apr 4, 11:23 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Hoke, Moore, Scotland | 52 min |
| Apr 4, 11:42 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Cumberland, Harnett, Johnston, Lee, Wake | 33 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, 10.2 hours before the alert went out and 217 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
- 510 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 042211
SEL6
SPC WW 042211
GAZ000-NCZ000-SCZ000-050500-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 166
NWS STORM PREDICTION CENTER NORMAN OK
610 PM EDT FRI APR 4 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EAST CENTRAL GEORGIA
SOUTHWEST AND SOUTH-CENTRAL NORTH CAROLINA
NORTHERN AND CENTRAL SOUTH CAROLINA
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 610 PM
UNTIL 100 AM EDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTHWEST OF
AUGUSTA GEORGIA TO 25 MILES SOUTH OF SOUTHERN PINES NORTH
CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
OTHER WATCH INFORMATION...CONTINUE...WW 164...WW 165...
DISCUSSION...SURFACE WARM FRONT WILL LIKELY SHIFT SLOWLY NWD ACROSS
CENTRAL/UPSTATE SC AND SRN NC AS LOW CENTER TRACKS NEWD OUT OF NRN
GA THIS EVENING. THIS WILL ALLOW MODERATE INSTABILITY TO REMAIN IN
PLACE INTO THE EARLY EVENING AND SUPPORT INCREASE IN THUNDERSTORM
DEVELOPMENT AS SWLY LLJ OVERSPREADS THE REGION. LOW AND DEEP LAYER
SHEAR WILL PROVE FAVORABLE FOR SUPERCELL AND BOWING
SEGMENTS...ENHANCING THE POTENTIAL FOR LARGE HAIL/DAMAGING WINDS AND
THE THREAT OF ISOLATED TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 23030.
...EVANSSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 1:33 PM EDT | Mesoscale Discussion | SPC | Baldwin, Barrow, Bartow, Bibb, Bleckley, Butts and 51 more | 87 min |
| Apr 4, 2:27 PM EDT | Tornado Watch | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Butts and 75 more | 9 hr |
| Apr 4, 4:17 PM EDT | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bartow, Butts, Carroll and 38 more | 88 min |
| Apr 4, 5:39 PM EDT | Mesoscale Discussion | SPC | Burke, Richmond | 66 min |
| Apr 4, 6:02 PM EDT | Mesoscale Discussion | SPC | Clay, Early, Quitman | 88 min |
| Apr 4, 6:48 PM EDT | Tornado Watch | SPC | Bleckley, Calhoun, Chattahoochee, Clay, Crisp, Dodge and 17 more | 6 hr |
Nearby
Tornado Watches in South Carolina, 2008Tornado Watches in North Carolina, 2008Tornado Watches in Georgia, 2008Every tornado watch in 2008
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.