Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 75, NWS Columbia, SC

May 7, 1998Columbia County, Georgia

NWS Columbia, SC issued this severe thunderstorm warning at May 7, 1998, 11:30 PM EDT for Columbia County, Georgia. It was in force for 60 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 7, 1998, 11:30 PM EDT (03:30 UTC)
Expired
May 8, 1998, 12:30 AM EDT
In force
60 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Columbia County, GA

What was reported inside it

TimeReportWhereRemark
May 7, 11:50 PM EDTHail 0.88Pollards Corner, GASheriff reported nickel size hail.
May 8, 12:05 AM EDTThunderstorm Wind 50Pollards Corner, GAEOC reported trees down near Industrial Dr.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 7, 9:30 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.5 hours before the alert went out and 208 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 00:00Z on 1998-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2212 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 00:00Z on 1998-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.1939587897117Sfc1 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
2212 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
923 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
1.9
Supercell composite
9.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

901 
WUUS1 KCAE 080331 RRA
SVRCAE
GAC073-080430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1130 PM EDT THU MAY 7 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COLUMBIA COUNTY IN GEORGIA

* UNTIL 1230 AM EDT

* AT  1130 DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM ALONG 
  THE LINCOLN COLUMBIA COUNTY LINE. THIS STORM WAS MOVING SOUTHEAST 
  AT 30 MPH AND HAS PRODUCED 3/4 INCH HAIL IN LINCOLN COUNTY.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LEAH AT 1140
  PHINIZY AT 1145

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, May 7, 10:24 PM EDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1024 PM EDT THU MAY 07 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

940 PM     LEAH NEAR HIWAY 47        GA   1.75 INCH HAIL
05/07/98   COLUMBIA                       SHERIFF

BLP
Local storm report, May 7, 10:26 PM EDT, 1 hour 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1026 PM EDT THU MAY 07 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

940 PM     NORTH                     SC   .88 INCH HAIL
05/07/98   OORANGEBURG                    NORTH PD

BLP
Local storm report, May 7, 10:31 PM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1031 PM EDT THU MAY 07 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

910 PM     NORTH                     SC   .88 INCH HAIL
05/07/98   ORANGEBURG                     NORTH PD

BLP
Local storm report, May 7, 10:36 PM EDT, 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1036 PM EDT THU MAY 07 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

1005 PM    SOUTH EDGEFIELD COUNTY    SC   .88 INCH HAIL
05/07/98   EDGEFIELD                      SHERIFF

BLP
Local storm report, May 7, 10:39 PM EDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1039 PM EDT THU MAY 07 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

852 PM     4 SW EDGEFIELD            SC   WIND DAMAGE
05/07/98   EDGEFIELD                      AMATEUR RADIO SPOTTER BARN
                                          DESTROYED/TREES UPROOTED

BLP
Local storm report, May 7, 11:12 PM EDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1112 PM EDT THU MAY 07 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

1110 PM    LINCOLNTON                GA   .75 INCH HAIL
05/07/98   LINCOLN                        LINCOLN CO SHERRIF DEPT
                                          REPORTS DIME SIZED HAIL

TTH

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 9:24 PM EDTSevere Thunderstorm WarningCAEColumbia, Lincoln61 min
May 7, 10:50 PM EDTSevere Thunderstorm WarningCAELincoln55 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.