Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 25, NWS Charleston, SC

May 31, 2002Bryan County, Evans County, Liberty County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at May 31, 2002, 5:22 PM EDT for Bryan County, Evans County, Liberty County, Georgia. It was in force for 38 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 31, 2002, 5:22 PM EDT (21:22 UTC)
Expired
May 31, 2002, 6:00 PM EDT
In force
38 min
Issued by
NWS Charleston, SC
Area
Whole counties

Counties Bryan County, GA, Evans County, GA, Liberty County, GA

The radar

The Charleston,SC radar (KCLX), 90 km from the middle of the area, began a volume at 21:22 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.

What was reported inside it

TimeReportWhereRemark
May 31, 5:25 PM EDTThunderstorm Wind 50 EDaisy, GALarge limbs and power lines were down.
May 31, 5:30 PM EDTThunderstorm Wind 50 EGroveland, GASeveral trees and numerous limbs were down.

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

Jacksonville, FL (KJAX), launched 12:00Z, 9.4 hours before the alert went out and 166 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, Jacksonville, FL at 12:00Z on 2002-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1219 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2002-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939Sfc1 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
1219 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

393 
WUUS52 KCHS 312122
SVRCHS
GAC029-109-179-312200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
522 PM EDT FRI MAY 31 2002

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME NORTHWESTERN BRYAN COUNTY IN SOUTHEAST GEORGIA.
  SOUTHEASTERN EVANS COUNTY IN SOUTHEAST GEORGIA.
  EXTREME NORTHWESTERN LIBERTY COUNTY IN SOUTHEAST GEORGIA.

* UNTIL 600 PM EDT.

* AT 522 PM EDT...RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS
  SOUTH OF DAISY...TO NEAR GROVELAND TO JUST WEST OF WILLIE.
  THE STORMS WERE NEARLY STATIONARY.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  GROVELAND.

THIS IS A DANGEROUS SEVERE THUNDERSTORM...TAKE COVER NOW SEVERE
THUNDERSTORM WINDS CAN BE AS DESTRUCTIVE AS A TORNADO. ABANDON MOBILE
HOMES AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. MOVE TO AN INTERIOR
ROOM ON THE LOWEST FLOOR AND AVOID WINDOWS.

THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...
WHICH MAY FLOOD ROADS...DITCHES AND LOW-LYING AREAS. AVOID FLOOD
PRONE AREAS AND DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE ROAD.

$$

LAT...LON 3208 8187 3204 8176 3199 8175 3218 8164
          3211 8184

ST

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 5:01 PM EDTSevere Thunderstorm WarningCHSTattnall29 min
May 31, 5:45 PM EDTSevere Thunderstorm WarningCHSLong45 min
May 31, 6:33 PM EDTSevere Thunderstorm WarningCHSBulloch, Effingham27 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; radar from the NEXRAD Level II archive.