Alert archive / Georgia / Tornado Watches in 1998

Tornado Watch 327

May 10, 199851 counties in Georgia; 13 counties in South Carolina

The Storm Prediction Center issued this tornado watch at May 10, 1998, 2:00 PM EDT for 51 counties in Georgia; 13 counties in South Carolina. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 10, 1998, 2:00 PM EDT (18:00 UTC)
Expired
May 10, 1998, 9:00 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
All 64 counties

Appling County, GA, Atkinson County, GA, Bacon County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Coffee County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Laurens County, GA, Liberty County, GA, Long County, GA, McDuffie County, GA, McIntosh County, GA, Montgomery County, GA, Pierce County, GA, Pulaski County, GA, Richmond County, GA, Screven County, GA, Tattnall County, GA, Telfair County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC, Georgetown County, SC, Hampton County, SC, Jasper County, SC, Orangeburg County, SC

The radar

The Charleston,SC radar (KCLX), 116 km from the middle of the area, began a volume at 18:01 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

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

IssuedProductOfficeCountiesLasted
May 10, 2:01 PM EDTSevere Thunderstorm WarningCHSScreven59 min
May 10, 2:09 PM EDTTornado WarningCHSScreven51 min
May 10, 2:30 PM EDTTornado WarningCHSEffingham45 min
May 10, 3:03 PM EDTSevere Thunderstorm WarningCHSJasper62 min
May 10, 3:42 PM EDTSevere Thunderstorm WarningCAEOrangeburg48 min
May 10, 4:04 PM EDTTornado WarningCAEOrangeburg26 min
May 10, 4:22 PM EDTSevere Thunderstorm WarningCHSDorchester63 min
May 10, 4:36 PM EDTSevere Thunderstorm WarningCHSBeaufort34 min
May 10, 4:39 PM EDTTornado WarningCHSDorchester46 min
May 10, 5:00 PM EDTTornado WarningCHSBerkeley60 min
May 10, 5:19 PM EDTTornado WarningCHSCharleston61 min
May 10, 5:32 PM EDTSevere Thunderstorm WarningCAEBamberg, Orangeburg43 min
May 10, 6:00 PM EDTTornado WarningCHSBerkeley20 min
May 10, 6:10 PM EDTTornado WarningCHSCharleston40 min
May 10, 6:49 PM EDTTornado WarningCHSBerkeley61 min

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 6.0 hours before the alert went out and 216 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, Charleston AFB, SC at 12:00Z on 1998-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 315 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, Charleston AFB, SC at 12:00Z on 1998-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
315 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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
May 9, 8:00 PM EDTTornado WatchSPCDade6 hr
May 10, 12:30 AM EDTTornado WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 65 more6 hr
May 10, 2:00 AM EDTTornado WatchSPCDade4 hr

Nearby

Tornado Watches in Georgia, 1998Tornado Watches in South 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; radar from the NEXRAD Level II archive.