Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 309, NWS Atlanta, GA

July 31, 2002Emanuel County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 31, 2002, 5:25 PM EDT for Emanuel County, Georgia. It was in force for 35 min. 1 report 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
Jul 31, 2002, 5:25 PM EDT (21:25 UTC)
Expired
Jul 31, 2002, 6:00 PM EDT
In force
35 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Emanuel County, GA

What was reported inside it

TimeReportWhereRemark
Jul 31, 5:50 PM EDTHail 0.75Swainsboro, GAThe Emanuel county 911 center reported dime size 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

Charleston AFB, SC (KCHS), launched 12:00Z, 9.4 hours before the alert went out and 214 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, Charleston AFB, SC at 12:00Z on 2002-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1805 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, Charleston AFB, SC at 12:00Z on 2002-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -84 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
1805 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-84 m²/s²
0-3 km storm-relative helicity
-61 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.0

Open this sounding in Storm Lab

The text

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

497 
WUUS52 KFFC 312125
SVRATL
GAC107-312200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
525 PM EDT WED JUL 31 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EMANUEL COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 600 PM EDT

* AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SWAINSBORO...MOVING WEST AT 5 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SWAINSBORO
AND TWIN CITY.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3258 8212 3277 8221 3269 8246 3248 8243

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 30, 9:14 PM EDTSevere Thunderstorm WarningFFCFloyd31 min
Jul 31, 2:37 PM EDTSevere Thunderstorm WarningFFCFloyd23 min
Jul 31, 5:09 PM EDTSevere Thunderstorm WarningFFCDeKalb26 min
Jul 31, 5:36 PM EDTSevere Thunderstorm WarningFFCNewton29 min
Jul 31, 5:57 PM EDTSevere Thunderstorm WarningFFCEmanuel33 min
Jul 31, 6:34 PM EDTSevere Thunderstorm WarningFFCGreene26 min
Jul 31, 6:37 PM EDTSevere Thunderstorm WarningFFCGreene23 min
Jul 31, 6:54 PM EDTSevere Thunderstorm WarningFFCMontgomery36 min
Jul 31, 7:01 PM EDTSevere Thunderstorm WarningFFCGreene29 min
Jul 31, 7:13 PM EDTSevere Thunderstorm WarningFFCJefferson32 min
Jul 31, 7:19 PM EDTSevere Thunderstorm WarningFFCHancock26 min
Jul 31, 7:38 PM EDTSevere Thunderstorm WarningFFCJohnson32 min
Jul 31, 7:43 PM EDTSevere Thunderstorm WarningFFCMonroe22 min
Jul 31, 7:55 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford35 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.