Alert archive / Georgia / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 113
The Storm Prediction Center issued this severe thunderstorm watch at Mar 19, 1998, 11:45 PM CST for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 19, 1998, 11:45 PM CST (05:45 UTC)
- Expired
- Mar 20, 1998, 5:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 100 counties
Autauga County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, DeKalb County, AL, Elmore County, AL, Etowah County, AL, Lee County, AL, Macon County, AL, Randolph County, AL, Russell County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattahoochee County, GA, Chattooga County, GA, Cherokee County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Lumpkin County, GA, Meriwether County, GA, Murray County, GA, Muscogee County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Rabun County, GA, Rockdale County, GA, Spalding County, GA, Talbot County, GA, Towns County, GA, Troup County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Swain County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Claiborne County, TN, Cocke County, TN, Cumberland County, TN, Fentress County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Union County, TN, Washington County, TN
The radar
The Atlanta radar (KFFC), 90 km from the middle of the area, began a volume at 05:49 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.
Warnings issued inside it
24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 11:45 PM CST | Severe Thunderstorm Warning | OHX | Sequatchie | 45 min |
| Mar 19, 11:52 PM CST | Severe Thunderstorm Warning | MRX | Hamilton | 53 min |
| Mar 19, 11:55 PM CST | Severe Thunderstorm Warning | BMX | Calhoun, Cherokee | 60 min |
| Mar 19, 11:55 PM CST | Severe Thunderstorm Warning | BMX | Talladega | 60 min |
| Mar 20, 12:00 AM CST | Severe Thunderstorm Warning | OHX | Bledsoe | 60 min |
| Mar 20, 12:08 AM CST | Severe Thunderstorm Warning | BMX | Etowah, St. Clair | 32 min |
| Mar 20, 12:13 AM CST | Severe Thunderstorm Warning | MRX | Meigs, Rhea | 47 min |
| Mar 20, 12:16 AM CST | Severe Thunderstorm Warning | BMX | Autauga, Lowndes | 79 min |
| Mar 20, 12:16 AM CST | Severe Thunderstorm Warning | BMX | Coosa | 79 min |
| Mar 20, 12:28 AM CST | Severe Thunderstorm Warning | BMX | DeKalb | 47 min |
| Mar 20, 12:39 AM CST | Severe Thunderstorm Warning | BMX | Clay | 61 min |
| Mar 20, 12:47 AM CST | Tornado Warning | BMX | Elmore, Montgomery | 63 min |
| Mar 20, 12:49 AM CST | Severe Thunderstorm Warning | MRX | Cumberland, McMinn, Roane | 41 min |
| Mar 20, 12:56 AM CST | Severe Thunderstorm Warning | BMX | Cleburne | 64 min |
| Mar 20, 12:56 AM CST | Severe Thunderstorm Warning | BMX | Tallapoosa | 64 min |
| Mar 20, 1:11 AM CST | Severe Thunderstorm Warning | MRX | Loudon | 34 min |
| Mar 20, 1:22 AM CST | Severe Thunderstorm Warning | BMX | Randolph | 63 min |
| Mar 20, 1:35 AM CST | Severe Thunderstorm Warning | MRX | Anderson, Knox | 40 min |
| Mar 20, 1:38 AM CST | Severe Thunderstorm Warning | BMX | Macon | 62 min |
| Mar 20, 1:54 AM CST | Severe Thunderstorm Warning | BMX | Chambers, Lee | 61 min |
| Mar 20, 1:57 AM CST | Severe Thunderstorm Warning | MRX | Union | 33 min |
| Mar 20, 2:00 AM CST | Severe Thunderstorm Warning | FFC | Polk | 30 min |
| Mar 20, 2:55 AM CST | Severe Thunderstorm Warning | BMX | Lee | 50 min |
| Mar 20, 3:12 AM CST | Severe Thunderstorm Warning | FFC | Meriwether, Troup | 48 min |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.8 hours before the alert went out and 94 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 973 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
945 WWUS9 KMKC 200509 SEL3 MKC WW 200509 ALZ000-TNZ000-GAZ000-NCZ000-201100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 113 STORM PREDICTION CENTER NORMAN OK 1209 AM EST FRI MAR 20 1998 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EASTERN ALABAMA EASTERN TENNESSEE NORTHERN AND WESTERN GEORGIA WESTERN NORTH CAROLINA EFFECTIVE THIS FRIDAY MORNING FROM 1245 AM UNTIL 600 AM 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 EAST AND WEST OF A LINE FROM 35 MILES SOUTHWEST OF AUBURN ALABAMA TO 55 MILES NORTH NORTHEAST OF KNOXVILLE TENNESSEE. 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. OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES SEVERE THUNDERSTORM WATCH NUMBER 112. WATCH NUMBER 112 WILL NOT BE IN EFFECT AFTER 45 AM EST. DISCUSSION...SQUALL LINE WITH EMBEDDED BOW ECHOES AHEAD OF STRONG UPPER TROF MOVING EWD ACROSS ERN TN SSWWD INTO CENTRAL AL. WITH STRONG MAINLY UNIDIRECTIONAL WIND FIELDS AND ADEQUATE MOISTURE/INSTABILITY CONDITIONS REMAIN FAVORABLE FOR DAMAGING WINDS WITH THE SQUALL LINE. 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 VECTOR 23040. ...HALES 321,0870 363,0845 363,0822 321,0843
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 8:30 PM CST | Severe Thunderstorm Watch | SPC | Bibb, Blount, Chilton, Colbert, Coosa, Cullman and 24 more | 5 hr |
| Mar 20, 6:30 AM CST | Tornado Watch | SPC | Banks, Franklin, Hart, Stephens | 6 hr |
| Mar 20, 12:00 PM CST | Tornado Watch | SPC | Alamance, Anson, Cabarrus, Caswell, Chatham, Cumberland and 29 more | 6 hr |
| Mar 20, 2:00 PM CST | Tornado Watch | SPC | Bladen, Brunswick, Columbus, Craven, Cumberland, Duplin and 15 more | 4 hr |
Nearby
Severe Thunderstorm Watches in Georgia, 1998Severe Thunderstorm Watches in Tennessee, 1998Severe Thunderstorm Watches in Alabama, 1998Every severe thunderstorm 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; radar from the NEXRAD Level II archive.