Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 27, NWS Charleston, SC

May 31, 2002Bulloch County, Effingham County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at May 31, 2002, 6:33 PM EDT for Bulloch County, Effingham County, Georgia. It was in force for 27 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: May 31, 2002, 6:33 PM EDT (22:33 UTC)
Expired: May 31, 2002, 7:00 PM EDT
In force: 27 min
Issued by: NWS Charleston, SC
Area: Whole counties

Counties Bulloch County, GA, Effingham County, GA

The radar

The Charleston,SC radar (KCLX), 56 km from the middle of the area, began a volume at 22:36 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

Time	Report	Where	Remark
May 31, 6:52 PM EDT	Hail 1.75	Statesboro, GA

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

Charleston AFB, SC (KCHS), launched 12:00Z, 10.6 hours before the alert went out and 155 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1291 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 686 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

955 
WUUS52 KCHS 312233
SVRCHS
GAC031-103-312300-

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

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL BULLOCH COUNTY IN SOUTHEAST GEORGIA.
  WEST CENTRAL EFFINGHAM COUNTY IN SOUTHEAST GEORGIA.

* UNTIL 700 PM EDT.

* AT 632 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST
  OF EGYPT...OR ABOUT 12 MILES NORTHWEST OF SPRINGFIELD...MOVING
  NORTHEAST AT 15 MPH.

DIME SIZE HAIL AND 60 MPH WINDS ARE EXPECTED IN THE WARNED AREA.

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

$$

LAT...LON 3246 8169 3234 8154 3241 8141 3253 8151

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 5:01 PM EDT	Severe Thunderstorm Warning	CHS	Tattnall	29 min
May 31, 5:22 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Evans, Liberty	38 min
May 31, 5:45 PM EDT	Severe Thunderstorm Warning	CHS	Long	45 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002 Every 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.