Alert archive / Georgia / Tornado Watches in 1998

Tornado Watch 187

April 8, 19985 states

The Storm Prediction Center issued this tornado watch at Apr 8, 1998, 1:45 PM CDT for 5 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 8, 1998, 1:45 PM CDT (18:45 UTC)
Expired
Apr 8, 1998, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 76 counties

Calhoun County, AL, Cherokee County, AL, Cleburne County, AL, DeKalb County, AL, Etowah County, AL, St. Clair County, AL, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clayton County, GA, Cobb County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin 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, Lumpkin County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Rabun County, GA, Towns 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, Madison County, NC, Swain County, NC, Yancey County, NC, Anderson County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, City of Bristol, VA

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 8, 2:02 PM CDTSevere Thunderstorm WarningMRXClaiborne58 min
Apr 8, 4:10 PM CDTSevere Thunderstorm WarningBMXCalhoun35 min
Apr 8, 4:23 PM CDTSevere Thunderstorm WarningBMXCherokee47 min
Apr 8, 4:39 PM CDTSevere Thunderstorm WarningFFCFloyd, Polk51 min
Apr 8, 5:16 PM CDTSevere Thunderstorm WarningFFCBartow29 min
Apr 8, 5:22 PM CDTSevere Thunderstorm WarningFFCGordon53 min
Apr 8, 5:31 PM CDTSevere Thunderstorm WarningFFCCherokee, Cobb, Paulding44 min
Apr 8, 5:49 PM CDTSevere Thunderstorm WarningFFCGilmer, Murray26 min
Apr 8, 5:52 PM CDTSevere Thunderstorm WarningFFCForsyth, Fulton38 min
Apr 8, 6:13 PM CDTSevere Thunderstorm WarningFFCGwinnett, Hall32 min
Apr 8, 6:29 PM CDTSevere Thunderstorm WarningMRXCherokee61 min
Apr 8, 6:41 PM CDTSevere Thunderstorm WarningFFCClayton, Henry34 min
Apr 8, 6:59 PM CDTSevere Thunderstorm WarningFFCDeKalb, Rockdale31 min
Apr 8, 8:00 PM CDTSevere Thunderstorm WarningBMXCalhoun, Cleburne50 min

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.8 hours before the alert went out and 152 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, Peachtre/Fal Fld, GA at 12:00Z on 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 348 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, Peachtre/Fal Fld, GA at 12:00Z on 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.1939587897117136Sfc1 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
348 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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 8, 10:30 AM CDTTornado WatchSPCAutauga, Barbour, Bullock, Butler, Coffee, Conecuh and 18 more6 hr
Apr 8, 11:00 AM CDTTornado WatchSPCBlount, Colbert, Cullman, Fayette, Franklin, Jackson and 10 more5 hr
Apr 8, 2:00 PM CDTTornado WatchSPCAutauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 31 more6 hr
Apr 8, 6:30 PM CDTTornado WatchSPCChambers, Lee, Randolph7 hr
Apr 8, 6:00 PM CDTSevere Thunderstorm WatchSPCAlamance, Bertie, Cabarrus, Caswell, Catawba, Chatham and 35 more6 hr
Apr 8, 6:30 PM CDTTornado WatchSPCBuncombe, Cherokee, Clay, Graham, Haywood, Jackson and 6 more7 hr
Apr 8, 2:00 AM CDTTornado WatchSPCBedford, Cannon, Cheatham, Clay, Coffee, Davidson and 31 more6 hr
Apr 8, 5:00 AM CDTSevere Thunderstorm WatchSPCAnderson, Campbell, Claiborne, Cumberland, Fentress, Grainger and 7 more5 hr
Apr 8, 7:45 AM CDTTornado WatchSPCChester, Fayette, Hardeman, Hardin, Haywood, McNairy and 2 more6 hr
Apr 8, 5:30 PM CDTTornado WatchSPCBenton, Carroll, Cheatham, Chester, Crockett, Davidson and 31 more7 hr

Nearby

Tornado Watches in Georgia, 1998Tornado Watches in Tennessee, 1998Tornado Watches in North Carolina, 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.