Alert archive / Georgia / Tornado Watches in 2000

Tornado Watch 20

January 10, 200061 counties in Georgia; 16 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Jan 10, 2000, 6:00 AM EST for 61 counties in Georgia; 16 counties in South Carolina. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jan 10, 2000, 6:00 AM EST (11:00 UTC)
Expired: Jan 10, 2000, 11:00 AM EST
In force: 5 hr
Issued by: the Storm Prediction Center

All 77 counties

Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bleckley County, GA, Bulloch County, GA, Burke County, GA, Calhoun County, GA, Candler County, GA, Coffee County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Lincoln County, GA, McDuffie County, GA, Miller County, GA, Mitchell County, GA, Montgomery County, GA, Peach County, GA, Pulaski County, GA, Richmond County, GA, Screven County, GA, Sumter County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Terrell County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Worth County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Clarendon County, SC, Edgefield County, SC, Greenwood County, SC, Hampton County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC

Warnings issued inside it

5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jan 10, 6:10 AM EST	Severe Thunderstorm Warning	CAE	McDuffie	35 min
Jan 10, 6:19 AM EST	Severe Thunderstorm Warning	CAE	Columbia, Lincoln	26 min
Jan 10, 6:28 AM EST	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	32 min
Jan 10, 7:37 AM EST	Severe Thunderstorm Warning	CAE	Aiken	23 min
Jan 10, 7:49 AM EST	Severe Thunderstorm Warning	CAE	Lexington	26 min

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 11.0 hours before the alert went out and 185 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 65 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 204 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

208 
WWUS9 KMKC 101054
SEL0  

SEL0  
MKC WW 101054
GAZ000-SCZ000-101600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 20
STORM PREDICTION CENTER NORMAN OK
554 AM EST MON JAN 10 2000

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   SOUTHERN AND EASTERN GEORGIA                            
   CENTRAL AND SOUTHERN SOUTH CAROLINA                     

EFFECTIVE THIS MONDAY MORNING FROM 600 AM UNTIL 1100 AM EST.

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 ALONG AND 80 STATUTE MILES EAST AND WEST
OF A LINE FROM 10 MILES SOUTHWEST OF MOULTRIE GEORGIA TO 20 MILES
NORTH NORTHEAST OF COLUMBIA SOUTH CAROLINA.

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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 18...TORNADO WATCH NUMBER 19.  WATCH
NUMBER 18...19 WILL NOT BE IN EFFECT AFTER 600 AM EST.

DISCUSSION...FAST-MOVING SQUALL LINE WITH LOW AMPLITUDE LEWPS/BOWS 
EXPECTED TO CONTINUE SURGING ENE INTO PRESSURE FALL AXIS ALONG
STALLED WEDGE FRONT OVER THE SC PIEDMONT.  CAPE/LOW LEVEL
CONVERGENCE WILL REMAIN SOMEWHAT WEAK...BUT STRENGTH OF DEEP-LAYER
SHEAR /50-60 KTS/ SUGGESTS A CONTINUED THREAT FOR ISOLATED LEWP
CREST TORNADOES. 

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 400. 
MEAN STORM MOTION VECTOR 24045.

...CORFIDI

341,0793 305,0823 305,0851 341,0822

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 10, 1:00 AM EST	Severe Thunderstorm Watch	SPC	Baldwin, Barrow, Bibb, Bleckley, Butts, Carroll and 53 more	5 hr
Jan 10, 2:00 AM EST	Tornado Watch	SPC	Baker, Ben Hill, Calhoun, Clay, Colquitt, Crisp and 28 more	5 hr

Nearby

Tornado Watches in Georgia, 2000 Tornado Watches in South Carolina, 2000 Every tornado watch in 2000

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.