Alert archive / South Carolina / Tornado Watches in 2005
Tornado Watch 759
The Storm Prediction Center issued this tornado watch at Aug 30, 2005, 8:35 AM EDT for 4 counties in Georgia; 22 counties in North Carolina; 28 counties in South Carolina. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 30, 2005, 8:35 AM EDT (12:35 UTC)
- Expired
- Aug 30, 2005, 1:22 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 54 counties
Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Alexander County, NC, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Henderson County, NC, Iredell County, NC, Lincoln County, NC, Madison County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Transylvania County, NC, Union County, NC, Yancey County, NC, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Clarendon 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, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Pickens County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC
The radar
The Greer radar (KGSP), 38 km from the middle of the area, began a volume at 12:38 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.
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 0.6 hours before the alert went out and 219 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
- 470 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 301240
SEL9
SPC WW 301240
GAZ000-NCZ000-SCZ000-302000-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 759
NWS STORM PREDICTION CENTER NORMAN OK
835 AM EDT TUE AUG 30 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
FAR EAST CENTRAL GEORGIA
WESTERN NORTH CAROLINA
CENTRAL AND WESTERN SOUTH CAROLINA
EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 835 AM UNTIL 400
PM EDT.
TORNADOES...HAIL TO 1 INCH 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
EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF HICKORY NORTH
CAROLINA TO 45 MILES EAST SOUTHEAST OF AUGUSTA GEORGIA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU9).
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 758...
DISCUSSION...REGION REMAINS ON PERIPHERY OF STRONGER SHEAR
ASSOCIATED WITH KATRINA. HOWEVER...AREA VWP/S SUGGEST LOW AND DEEP
LAYER SHEAR REMAINS QUITE STRONG...ESPECIALLY INTO WRN SC WHERE 0-1
KM SRH IS IN EXCESS OF 200 M2/S2 AT GSP. IN ADDITION...THIS AREA
WILL UNDERGO MODEST HEATING WITHIN A VERY MOIST BOUNDARY LAYER.
COMBINATION OF MODERATE INSTABILITY AND ENHANCED LOW LEVEL SHEAR
SUGGESTS THREAT FOR SUPERCELLS AND TORNADOES WILL INCREASE THROUGH
THE MORNING AND CONTINUE WELL INTO THE AFTERNOON.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 22035.
...EVANS
360,0803 330,0800 330,0822 360,0830SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 11:05 PM EDT | Mesoscale Discussion | SPC | Baker, Baldwin, Banks, Barrow, Bartow, Ben Hill and 121 more | 115 min |
| Aug 30, 4:39 AM EDT | Mesoscale Discussion | SPC | Baker, Baldwin, Banks, Barrow, Bartow, Bibb and 95 more | 2 hr |
| Aug 30, 5:50 AM EDT | Tornado Watch | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 93 more | 8 hr |
| Aug 30, 8:47 AM EDT | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 91 more | 118 min |
| Aug 30, 12:42 PM EDT | Mesoscale Discussion | SPC | Alexander, Alleghany, Ashe, Avery, Burke, Caldwell and 11 more | 2 hr |
| Aug 30, 1:25 PM EDT | Tornado Watch | SPC | Alexander, Alleghany, Ashe, Avery, Buncombe, Burke and 30 more | 8 hr |
| Aug 30, 4:37 PM EDT | Mesoscale Discussion | SPC | Alexander, Alleghany, Ashe, Avery, Burke, Caldwell and 13 more | 83 min |
Nearby
Tornado Watches in South Carolina, 2005Tornado Watches in North Carolina, 2005Tornado Watches in Georgia, 2005Every tornado watch in 2005
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.