Alert archive / South Carolina / Tornado Watches in 2000
Tornado Watch 751
The Storm Prediction Center issued this tornado watch at Sep 23, 2000, 12:00 AM EDT for 5 counties in Georgia; 13 counties in South Carolina. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 23, 2000, 12:00 AM EDT (04:00 UTC)
- Expired
- Sep 23, 2000, 4:00 AM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
Counties Bulloch County, GA, Chatham County, GA, Effingham County, GA, Jenkins County, GA, Screven County, GA, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC, Orangeburg County, SC, Sumter County, SC
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 12:05 AM EDT | Tornado Warning | CAE | Barnwell | 40 min |
| Sep 23, 12:23 AM EDT | Tornado Warning | CHS | Allendale | 37 min |
| Sep 23, 12:41 AM EDT | Tornado Warning | CAE | Barnwell | 34 min |
| Sep 23, 1:10 AM EDT | Tornado Warning | CAE | Bamberg | 35 min |
| Sep 23, 1:13 AM EDT | Flash Flood Warning | CAE | Barnwell | 4 hr |
| Sep 23, 1:44 AM EDT | Tornado Warning | CAE | Bamberg | 31 min |
| Sep 23, 2:07 AM EDT | Flash Flood Warning | CAE | Bamberg | 4 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 4.0 hours before the alert went out and 105 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
- 1102 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 630 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 274 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.1
The text
As transmitted, in the capitals the NWS used until 2016.
593 WWUS9 KMKC 230401 SEL1 SEL1 MKC WW 230354 GAZ000-SCZ000-230800- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 751 STORM PREDICTION CENTER NORMAN OK 1154 PM EDT FRI SEP 22 2000 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF EASTERN GEORGIA CENTRAL AND SOUTHERN SOUTH CAROLINA EFFECTIVE THIS SATURDAY MORNING FROM MIDNIGHT EDT UNTIL 400 AM EDT. TORNADOES...THUNDERSTORM WIND GUSTS TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 45 STATUTE MILES EITHER SIDE OF A LINE FROM 105 MILES WEST SOUTHWEST OF CHARLESTON SOUTH CAROLINA TO 55 MILES NORTH OF CHARLESTON 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... CONTINUE...WW 749...WW 750... DISCUSSION...THUNDERSTORMS HAVE INCREASED IN THE PAST HOUR INVOF CIRCULATION CENTER ASSOCIATED WITH FORMER T.S. HELENE. AREA VWP DATA SHOW AMPLE LOW-LEVEL VEERING THAT...COUPLED WITH VERY MOIST LOWER TROPOSPHERE AND EXISTING LOW-LEVEL VORTICITY CENTER...SUGGEST CONTINUED POTENTIAL FOR LOW-LEVEL STORM ROTATION AND POSSIBLE TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24020. ...CORFIDI 331,0793 315,0812 330,0821 341,0802
Nearby
Tornado Watches in South Carolina, 2000Tornado Watches in Georgia, 2000Every 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.