Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 5, NWS Columbia, SC

March 31, 2002Columbia County, McDuffie County, Georgia

NWS Columbia, SC issued this severe thunderstorm warning at Mar 31, 2002, 12:42 PM EST for Columbia County, McDuffie County, Georgia. It was in force for 48 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 31, 2002, 12:42 PM EST (17:42 UTC)
Expired
Mar 31, 2002, 1:30 PM EST
In force
48 min
Issued by
NWS Columbia, SC
Area
Counties, with a storm outline in the text

Counties Columbia County, GA, McDuffie County, GA

What was reported inside it

TimeReportWhereRemark
Mar 31, 12:45 PM ESTHail 1Thomson, GAPost Office reported 1 inch hail in Thomson.
Mar 31, 1:10 PM ESTHail 1Evans, GASpotter reported 1 inch hail in Evans.
Mar 31, 1:10 PM ESTHail 2Evans, GATV 26 meteorologist reported 2 inch hail.

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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.7 hours before the alert went out and 201 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 2002-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2002-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
856 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

428 
WUUS52 KCAE 311742
SVRCAE
GAC073-189-311830-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1241 PM EST SUN MAR 31 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
    SOUTHEASTERN MCDUFFIE COUNTY IN EAST CENTRAL GEORGIA
    COLUMBIA COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 130 PM EST.

* AT 1240 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER HARLEM..MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
DEARING

MAIN THREAT WITH THIS STORM IN LARGE HAIL.

LAT...LON 3346 8251 3333 8236 3357 8209 3367 8223

RCC

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 1:37 PM ESTSevere Thunderstorm WarningCAERichmond38 min
Mar 31, 2:08 PM ESTSevere Thunderstorm WarningCAERichmond22 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002Every severe thunderstorm warning in 2002

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.