Alert archive / Georgia / Tornado Watches in 1998

Tornado Watch 197

April 9, 199817 counties in Florida; 66 counties in Georgia

The Storm Prediction Center issued this tornado watch at Apr 9, 1998, 2:30 AM EDT for 17 counties in Florida; 66 counties in Georgia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 9, 1998, 2:30 AM EDT (06:30 UTC)
Expired
Apr 9, 1998, 7:00 AM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 83 counties

Baker County, FL, Bradford County, FL, Clay County, FL, Columbia County, FL, Duval 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, Bulloch County, GA, Calhoun County, GA, Camden County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clay County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Effingham County, GA, Evans County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Liberty County, GA, Long County, GA, Lowndes County, GA, Macon County, GA, McIntosh County, GA, Miller County, GA, Mitchell County, GA, Montgomery County, GA, Pierce County, GA, Pulaski County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Tattnall County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Worth County, GA

Warnings issued inside it

24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Apr 9, 2:57 AM EDTSevere Thunderstorm WarningJAXAppling63 min
Apr 9, 3:09 AM EDTSevere Thunderstorm WarningFFCTelfair, Wheeler36 min
Apr 9, 3:11 AM EDTSevere Thunderstorm WarningCHSLong49 min
Apr 9, 3:29 AM EDTSevere Thunderstorm WarningFFCMontgomery, Toombs31 min
Apr 9, 3:42 AM EDTSevere Thunderstorm WarningTAEWakulla33 min
Apr 9, 3:45 AM EDTSevere Thunderstorm WarningJAXJeff Davis60 min
Apr 9, 3:53 AM EDTTornado WarningJAXJeff Davis47 min
Apr 9, 4:28 AM EDTSevere Thunderstorm WarningTAEMadison32 min
Apr 9, 4:38 AM EDTSevere Thunderstorm WarningJAXHamilton62 min
Apr 9, 4:48 AM EDTTornado WarningJAXJeff Davis47 min
Apr 9, 5:02 AM EDTSevere Thunderstorm WarningBMXStewart48 min
Apr 9, 5:04 AM EDTSevere Thunderstorm WarningJAXClinch, Echols61 min
Apr 9, 5:16 AM EDTSevere Thunderstorm WarningFFCWebster29 min
Apr 9, 5:21 AM EDTSevere Thunderstorm WarningJAXCoffee49 min
Apr 9, 5:50 AM EDTSevere Thunderstorm WarningFFCMacon25 min
Apr 9, 5:51 AM EDTTornado WarningCHSBryan, Bulloch, Effingham34 min
Apr 9, 5:59 AM EDTTornado WarningJAXAppling66 min
Apr 9, 6:17 AM EDTSevere Thunderstorm WarningJAXSuwannee63 min
Apr 9, 6:17 AM EDTTornado WarningFFCBleckley, Pulaski28 min
Apr 9, 6:19 AM EDTTornado WarningCHSLong, Tattnall31 min
Apr 9, 6:32 AM EDTTornado WarningFFCDodge, Laurens28 min
Apr 9, 6:33 AM EDTSevere Thunderstorm WarningJAXColumbia47 min
Apr 9, 6:33 AM EDTTornado WarningCHSLiberty, Long32 min
Apr 9, 6:56 AM EDTSevere Thunderstorm WarningCHSBryan, Chatham34 min

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 6.5 hours before the alert went out and 134 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.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 00:00Z on 1998-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1577 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 1998-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1577 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
311 m²/s²
Significant tornado parameter
2.4
Supercell composite
9.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 7:00 AM EDTTornado WatchSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 11 more6 hr
Apr 8, 8:30 PM EDTTornado WatchSPCChattooga, Dade, Walker7 hr
Apr 9, 1:15 AM EDTTornado WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Burke and 78 more6 hr
Apr 9, 4:00 AM EDTTornado WatchSPCScreven6 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.