Alert archive / Georgia / Tornado Watches in 1998
Tornado Watch 306
The Storm Prediction Center issued this tornado watch at May 7, 1998, 8:00 PM CDT for 26 counties in Alabama; 39 counties in Georgia; Tishomingo County, Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 7, 1998, 8:00 PM CDT (01:00 UTC)
- Expired
- May 8, 1998, 1:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 66 counties
Blount County, AL, Calhoun County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Walker County, AL, Winston County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Chattooga County, GA, Cherokee County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gordon County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Rockdale County, GA, Spalding County, GA, Troup County, GA, Walton County, GA, Tishomingo County, MS
Warnings issued inside it
53 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 8:00 PM CDT | Tornado Warning | BMX | Cullman, Winston | 65 min |
| May 7, 8:06 PM CDT | Tornado Warning | BMX | Madison | 49 min |
| May 7, 8:08 PM CDT | Severe Thunderstorm Warning | BMX | Morgan | 62 min |
| May 7, 8:11 PM CDT | Tornado Warning | BMX | DeKalb, Jackson | 64 min |
| May 7, 8:13 PM CDT | Severe Thunderstorm Warning | FFC | DeKalb, Gwinnett | 37 min |
| May 7, 8:38 PM CDT | Tornado Warning | BMX | Marshall | 52 min |
| May 7, 8:40 PM CDT | Severe Thunderstorm Warning | BMX | Lawrence | 65 min |
| May 7, 8:43 PM CDT | Tornado Warning | BMX | Blount | 62 min |
| May 7, 8:43 PM CDT | Severe Thunderstorm Warning | FFC | Chattooga | 47 min |
| May 7, 8:45 PM CDT | Severe Thunderstorm Warning | BMX | Franklin | 35 min |
| May 7, 8:48 PM CDT | Severe Thunderstorm Warning | BMX | Winston | 62 min |
| May 7, 8:48 PM CDT | Severe Thunderstorm Warning | FFC | Gwinnett | 32 min |
| May 7, 8:50 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 35 min |
| May 7, 9:14 PM CDT | Severe Thunderstorm Warning | BMX | DeKalb | 51 min |
| May 7, 9:15 PM CDT | Severe Thunderstorm Warning | FFC | Floyd, Gordon | 35 min |
| May 7, 9:19 PM CDT | Severe Thunderstorm Warning | BMX | Cullman | 66 min |
| May 7, 9:22 PM CDT | Severe Thunderstorm Warning | FFC | Walton | 48 min |
| May 7, 9:25 PM CDT | Tornado Warning | BMX | Etowah, St. Clair | 65 min |
| May 7, 9:30 PM CDT | Severe Thunderstorm Warning | BMX | Franklin | 65 min |
| May 7, 9:36 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 49 min |
| May 7, 9:49 PM CDT | Severe Thunderstorm Warning | FFC | Bartow | 51 min |
| May 7, 9:51 PM CDT | Severe Thunderstorm Warning | BMX | Winston | 64 min |
| May 7, 9:51 PM CDT | Severe Thunderstorm Warning | FFC | Chattooga | 34 min |
| May 7, 9:54 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 61 min |
| May 7, 10:03 PM CDT | Severe Thunderstorm Warning | FFC | Banks, Hall | 32 min |
| May 7, 10:12 PM CDT | Severe Thunderstorm Warning | FFC | Cherokee | 48 min |
| May 7, 10:15 PM CDT | Severe Thunderstorm Warning | BMX | Marion | 65 min |
| May 7, 10:28 PM CDT | Severe Thunderstorm Warning | BMX | Cleburne | 47 min |
| May 7, 10:32 PM CDT | Severe Thunderstorm Warning | FFC | Forsyth, Fulton | 48 min |
| May 7, 10:51 PM CDT | Severe Thunderstorm Warning | FFC | Coweta, Heard | 49 min |
| May 7, 10:57 PM CDT | Severe Thunderstorm Warning | FFC | Gwinnett | 48 min |
| May 7, 10:58 PM CDT | Tornado Warning | BMX | Cleburne | 32 min |
| May 7, 11:01 PM CDT | Severe Thunderstorm Warning | BMX | Cullman | 49 min |
| May 7, 11:03 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 62 min |
| May 7, 11:08 PM CDT | Tornado Warning | FFC | Carroll | 32 min |
| May 7, 11:24 PM CDT | Tornado Warning | BMX | Calhoun | 36 min |
| May 7, 11:27 PM CDT | Severe Thunderstorm Warning | FFC | Barrow, Walton | 33 min |
| May 7, 11:30 PM CDT | Tornado Warning | BMX | Cleburne | 50 min |
| May 7, 11:37 PM CDT | Severe Thunderstorm Warning | FFC | Bartow, Paulding | 48 min |
| May 7, 11:42 PM CDT | Severe Thunderstorm Warning | FFC | Carroll, Coweta, Douglas, Fulton | 33 min |
| May 7, 11:45 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 50 min |
| May 7, 11:45 PM CDT | Severe Thunderstorm Warning | FFC | Cherokee, Cobb, Fulton | 35 min |
| May 7, 11:52 PM CDT | Severe Thunderstorm Warning | FFC | Clarke, Oconee, Walton | 48 min |
| May 7, 11:59 PM CDT | Severe Thunderstorm Warning | FFC | Fayette | 51 min |
| May 8, 12:00 AM CDT | Tornado Warning | BMX | Calhoun | 50 min |
| May 8, 12:13 AM CDT | Severe Thunderstorm Warning | FFC | Morgan | 47 min |
| May 8, 12:16 AM CDT | Severe Thunderstorm Warning | FFC | Carroll | 34 min |
| May 8, 12:18 AM CDT | Tornado Warning | BMX | Cleburne | 62 min |
| May 8, 12:31 AM CDT | Severe Thunderstorm Warning | FFC | Coweta, Fulton | 34 min |
| May 8, 12:35 AM CDT | Severe Thunderstorm Warning | FFC | Henry, Spalding | 50 min |
| May 8, 12:49 AM CDT | Severe Thunderstorm Warning | FFC | Fayette | 36 min |
| May 8, 12:52 AM CDT | Severe Thunderstorm Warning | FFC | Carroll, Heard | 33 min |
| May 8, 12:58 AM CDT | Severe Thunderstorm Warning | FFC | Butts | 52 min |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 1.0 hours before the alert went out and 116 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
- 2677 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 985 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 12.4
The text
As transmitted, in the capitals the NWS used until 2016.
820 WWUS9 KMKC 080036 SEL6 MKC WW 080036 ALZ000-GAZ000-080600- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 306 STORM PREDICTION CENTER NORMAN OK 736 PM CDT THU MAY 7 1998 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN ALABAMA NORTHERN GEORGIA EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 800 PM UNTIL 100 AM CDT. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES SOUTHWEST OF MUSCLE SHOALS ALABAMA TO 55 MILES EAST OF ATLANTA GEORGIA. 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 TORNADO WATCH NUMBER 302. WATCH NUMBER 302 WILL NOT BE IN EFFECT AFTER 800 PM CDT. CONTINUE...WW 303...WW 304...WW 305... DISCUSSION...LARGE POTENTIALLY TORNADIC SUPERCELL THUNDERSTORMS OVER NORTHERN GA WILL SPREAD ACROSS THE ATL AREA DURING THE NEXT COUPLE OF HOURS...WHILE OTHER STORMS FORM OVER NORTHERN AL. LOW LEVEL WINDS ARE MORE WESETERLY ACROSS AL...BUT VERY STRONG DEEP LAYER SHEAR AND CAPE VALUES OVER 4000 J/KG SUGGEST THREAT OF SUPERCELLS/TORNADOES IN THAT AREA AS WELL. AVIATION...TORNADOES AND 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 VECTOR 29040. ...HART 350,0881 342,0832 324,0832 332,0881
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 8:30 PM CDT | Tornado Watch | SPC | Baldwin, Banks, Bleckley, Burke, Candler, Clarke and 30 more | 5 hr |
| May 8, 1:00 AM CDT | Tornado Watch | SPC | Baldwin, Bibb, Bleckley, Bulloch, Burke, Butts and 58 more | 6 hr |
| May 8, 12:15 PM CDT | Tornado Watch | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 41 more | 6 hr |
Nearby
Tornado Watches in Georgia, 1998Tornado Watches in Alabama, 1998Tornado Watches in Mississippi, 1998Every tornado watch in 1998
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.