Alert archive / Georgia / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 90
The Storm Prediction Center issued this severe thunderstorm watch at Mar 11, 2000, 11:00 AM EST for 50 counties in Georgia; 15 counties in South Carolina. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 11, 2000, 11:00 AM EST (16:00 UTC)
- Expired
- Mar 11, 2000, 4:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 65 counties
Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Burke County, GA, Butts County, GA, Clarke County, GA, Columbia County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Elbert County, GA, Emanuel County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Henry County, GA, Houston County, GA, Jasper County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Lee County, GA, Lincoln County, GA, Macon County, GA, McDuffie County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Rockdale County, GA, Screven County, GA, Sumter County, GA, Taliaferro County, GA, Taylor County, GA, Treutlen County, GA, Twiggs County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wilkes County, GA, Wilkinson County, GA, Abbeville County, SC, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Chester County, SC, Edgefield County, SC, Fairfield County, SC, Greenwood County, SC, Laurens County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 11:26 AM EST | Severe Thunderstorm Warning | FFC | Crawford | 34 min |
| Mar 11, 11:31 AM EST | Severe Thunderstorm Warning | FFC | Sumter | 29 min |
| Mar 11, 11:55 AM EST | Severe Thunderstorm Warning | FFC | Bibb, Crawford | 35 min |
| Mar 11, 12:03 PM EST | Severe Thunderstorm Warning | FFC | Jones | 27 min |
| Mar 11, 12:22 PM EST | Severe Thunderstorm Warning | FFC | Sumter | 38 min |
| Mar 11, 12:50 PM EST | Severe Thunderstorm Warning | FFC | Glascock, Washington | 40 min |
| Mar 11, 12:50 PM EST | Severe Thunderstorm Warning | FFC | Warren | 40 min |
| Mar 11, 1:28 PM EST | Severe Thunderstorm Warning | FFC | Houston | 32 min |
| Mar 11, 1:42 PM EST | Tornado Warning | FFC | Houston, Twiggs | 33 min |
| Mar 11, 2:08 PM EST | Tornado Warning | FFC | Twiggs, Wilkinson | 37 min |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.0 hours before the alert went out and 149 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
- 22 J/kg
- Mixed-layer CIN
- -189 J/kg
- Mixed-layer LCL
- 1274 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS9 KMKC 111530 MKC WW 111530 GAZ000-SCZ000-112100- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 90 STORM PREDICTION CENTER NORMAN OK 1030 AM EST SAT MAR 11 2000 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND EASTERN GEORGIA WESTERN AND CENTRAL SOUTH CAROLINA EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 1100 AM UNTIL 400 PM EST. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 70 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST OF MACON GEORGIA TO 15 MILES EAST OF COLUMBIA SOUTH CAROLINA. 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. DISCUSSION...BOW ECHO HAS ORGANIZED OVER W-CNTRL GA. WITH AIR MASS DESTABILIZING DOWNSTREAM...POTENTIAL FOR DAMAGING WINDS EXISTS GIVEN MODERATE UNIDIRECTIONAL FLOW ALOFT. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTjOR 24040. ...VESCIO ;334,0841 345,0805 325,0805 314,0841;
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 8:45 PM EST | Tornado Watch | SPC | Banks, Barrow, Bartow, Carroll, Cherokee, Clayton and 36 more | 5 hr |
| Mar 11, 12:15 PM EST | Severe Thunderstorm Watch | SPC | Baker, Bleckley, Brooks, Calhoun, Chattahoochee, Clay and 27 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Georgia, 2000Severe Thunderstorm Watches in South Carolina, 2000Every severe thunderstorm 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.