Alert archive / Georgia / Tornado Watches in 1998
Tornado Watch 93
The Storm Prediction Center issued this tornado watch at Mar 8, 1998, 9:00 AM EST for 18 counties in Florida; 40 counties in Georgia. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 8, 1998, 9:00 AM EST (14:00 UTC)
- Expired
- Mar 8, 1998, 4:00 PM EST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 58 counties
Baker County, FL, Bradford County, FL, Clay County, FL, Columbia County, FL, Duval County, FL, Franklin County, FL, Gadsden County, FL, Hamilton County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Nassau County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Calhoun County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Echols County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Liberty County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Miller County, GA, Mitchell County, GA, Pierce County, GA, Seminole County, GA, Tattnall County, GA, Telfair County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Worth County, GA
The radar
The Moody AFB radar (KVAX), 39 km from the middle of the area, began a volume at 14:03 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
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 9:10 AM EST | Severe Thunderstorm Warning | JAX | Coffee | 50 min |
| Mar 8, 10:10 AM EST | Severe Thunderstorm Warning | JAX | Coffee | 50 min |
| Mar 8, 10:15 AM EST | Severe Thunderstorm Warning | FFC | Telfair, Wheeler | 30 min |
| Mar 8, 10:20 AM EST | Severe Thunderstorm Warning | JAX | Jeff Davis | 45 min |
| Mar 8, 10:54 AM EST | Severe Thunderstorm Warning | JAX | Appling | 36 min |
| Mar 8, 11:12 AM EST | Severe Thunderstorm Warning | JAX | Atkinson | 48 min |
| Mar 8, 12:03 PM EST | Severe Thunderstorm Warning | TAE | Calhoun, Early | 47 min |
| Mar 8, 12:08 PM EST | Severe Thunderstorm Warning | TAE | Baker | 32 min |
| Mar 8, 2:48 PM EST | Severe Thunderstorm Warning | JAX | Atkinson, Coffee | 62 min |
| Mar 8, 2:54 PM EST | Severe Thunderstorm Warning | TAE | Franklin | 46 min |
| Mar 8, 2:57 PM EST | Flash Flood Warning | JAX | Atkinson, Coffee | 6 hr |
| Mar 8, 3:12 PM EST | Tornado Warning | JAX | Coffee | 58 min |
| Mar 8, 3:56 PM EST | Tornado Warning | JAX | Appling | 59 min |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 2.0 hours before the alert went out and 113 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
- 14 J/kg
- Mixed-layer CIN
- -271 J/kg
- Mixed-layer LCL
- 636 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 650 m²/s²
- 0-3 km storm-relative helicity
- 709 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
202 WWUS9 KMKC 081328 SEL3 MKC WW 081328 GAZ000-FLZ000-082100- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 93 STORM PREDICTION CENTER NORMAN OK 828 AM EST SUN MAR 8 1998 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHERN GEORGIA NORTHERN FLORIDA AND ADJACENT COASTAL WATERS EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 900 AM UNTIL 400 PM 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 75 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST NORTHWEST OF TALAHASSEE FLORIDA TO 20 MILES EAST OF BRUNSWICK 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 91. WATCH NUMBER 91 WILL NOT BE IN EFFECT AFTER 900 AM EST. CONTINUE...WW 92... DISCUSSION...STRONG/SEVERE THUNDERSTORMS CONTINUE TO MOVE RAPIDLY NORTHEASTWARD FROM EXTREME SOUTHEAST ALABAMA...NORTHWEST FLORIDA...AND SOUTHWEST GEORGIA. 12Z SOUNDINGS AND LOCAL VAD WIND PROFILES SHOW EXTREMELY STRONG WINDS ABOVE THE SURFACE THAT VEER WITH HEIGHT...CREATING FAVORABLE SHEAR FOR SUPERCELL DEVELOPMENT. AIR MASS IS MODERATELY UNSTABLE OVER NORTHWEST FLORIDA...AND DESTABILIZATION IS LIKELY INTO SOUTHERN GEORGIA/NORTHERN FLORIDA PENINSULA TODAY. STRONGER STORMS WILL HAVE POTENTIAL FOR DAMAGING WIND GUSTS WITH THREAT FOR ISOLATED TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 420. MEAN STORM MOTION VECTOR 22060. ...WEISS 314,0845 321,0810 300,0810 293,0845
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 10:45 PM EST | Tornado Watch | SPC | Bay, Calhoun, Escambia, Gulf, Holmes, Jackson and 4 more | 6 hr |
| Mar 8, 3:15 AM EST | Tornado Watch | SPC | Alachua, Baker, Columbia, Dixie, Franklin, Gadsden and 11 more | 6 hr |
| Mar 8, 5:00 AM EST | Tornado Watch | SPC | Bay, Calhoun, Escambia, Gulf, Holmes, Jackson and 4 more | 6 hr |
| Mar 8, 11:00 AM EST | Tornado Watch | SPC | Bay, Calhoun, Escambia, Gulf, Holmes, Jackson and 4 more | 5 hr |
| Mar 8, 4:00 PM EST | Tornado Watch | SPC | Baker, Bay, Bradford, Calhoun, Clay, Columbia and 22 more | 6 hr |
| Mar 8, 12:45 PM EST | Severe Thunderstorm Watch | SPC | Baldwin, Bibb, Bleckley, Butts, Carroll, Chattahoochee and 65 more | 6 hr |
| Mar 8, 4:45 PM EST | Severe Thunderstorm Watch | SPC | Bartow, Carroll, Catoosa, Chattahoochee, Chattooga, Cherokee and 28 more | 5 hr |
Nearby
Tornado Watches in Georgia, 1998Tornado Watches in Florida, 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; radar from the NEXRAD Level II archive.