Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 36, NWS Charleston, SC

June 28, 2002Liberty County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jun 28, 2002, 6:11 PM EDT for Liberty County, Georgia. It was in force for 34 min. 1 report 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
Jun 28, 2002, 6:11 PM EDT (22:11 UTC)
Expired
Jun 28, 2002, 6:45 PM EDT
In force
34 min
Issued by
NWS Charleston, SC
Area
Whole counties

County Liberty County, GA

The radar

The Charleston,SC radar (KCLX), 102 km from the middle of the area, began a volume at 22:11 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
Jun 28, 6:25 PM EDTThunderstorm Wind 50 EMidway, GANumerous trees were downed by high thunderstorm winds.

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, 10.2 hours before the alert went out and 147 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 2002-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 838 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 2002-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
838 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
-13 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.

000 
WUUS52 KCHS 282211
SVRCHS
GAC179-282245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...FOR DAMAGING WINDS
NATIONAL WEATHER SERVICE CHARLESTON SC
611 PM EDT FRI JUN 28 2002

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL LIBERTY COUNTY IN SOUTHEAST GEORGIA.

* UNTIL 645 PM EDT.

* AT 611 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING DAMAGING WINDS 3 MILES SOUTH OF HINESVILLE...MOVING 
  NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM IS EXPECTED NEAR...
  ALLENHURST...HINESVILLE...MCINTOSH...FLEMINGTON...FORT STEWART...

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
SEEK SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

$$

LAT...LON 3183 8168 3173 8153 3186 8140 3195 8159

ST

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.

NWS Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 2:37 PM EDT, 3 hours 34 minutes earlier.

Area forecast discussion, Jun 28, 2:37 PM EDT, 3 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
237 PM EDT FRI JUN 28 2002

SCATTERED CONVECTION BEGINNING TO FIRE OVER MIDLANDS IN VICINITY OF
LEESIDE TROF AND MOVE EAST. MSAS SHOWING GOOD LOW LEVEL CONVERGENCE
ALONG THE COAST. WILL CARRY CHANCE POPS FOR THE EVENING HOURS.

IN THE UPPER LEVELS THE TROF AXIS ALONG THE EASTERN SEABOARD MOVES
OFFSHORE SATURDAY WHILE RIDGE AXIS REMAINS TO OUR WEST. VORT ENERGY
BETWEEN THESE TWO FEATURES SINKS SOUTH ACROSS THE AREA SATURDAY
THROUGH SUNDAY. WILL CARRY 50 PERCENT POPS FOR SATURDAY. HOWEVER ON
SUNDAY BETTER ENERGY WILL BE TO THE SOUTH OVER THE GEORGIA ZONES SO
KEPT 50 PERCENT DOWN THERE AND TRIMMED SOUTH CAROLINA ZONES BACK TO
30 PERCENT. GUIDANCE TEMPS CLOSE AND LOOK GOOD.

MARINE...LIGHT MAINLY SW FLOW WL CONTINUE ACROSS THE WATERS TONIGHT
THROUGH SUN. SEAS ALREADY DOWN TO 2-3 FT AND SHOULD STAY IN THAT
RANGE.  WL CARRY MENTION OF SHRA/TSRA TONIGHT AND SAT IN SC WATERS
AND TONIGHT THROUGH SUN FOR GA WATERS.

CHS   73  89  72  87 /  40  50  30  30
SAV   72  92  71  91 /  40  50  30  50
CHL   73  89  72  87 /  40  50  30  30
NBC   73  89  72  87 /  40  50  30  30
RBW   72  92  71  90 /  40  50  30  30

.CHS...
GA...NONE.
SC...NONE.

HSA/SCW

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.