Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 241, NWS Atlanta, GA

April 18, 1998Emanuel County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 18, 1998, 12:35 AM EDT for Emanuel County, Georgia. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 18, 1998, 12:35 AM EDT (04:35 UTC)
Expired
Apr 18, 1998, 12:55 AM EDT
In force
20 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Emanuel County, GA

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 4.6 hours before the alert went out and 218 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 00:00Z on 1998-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 660 joules per kilogram.LCLLFCEL10008507005003002001001 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, Charleston AFB, SC at 00:00Z on 1998-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.1939587897Sfc1 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
660 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

244 
WUUS1 KATL 180436 RRA
SVRATL
GAC107-180455-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1235 AM EDT SAT APR 18 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 1255 AM EDT


* AT 1234 AM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR JUST NORTH OF SWAINSBORO MOVING EAST AT 45 MPH.


WHEN THUNDERSTORMS ARE OCCURRING...LIGHTNING POSES A SERIOUS
DANGER. STAY INDOORS AND AWAY FROM WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. IF BOATING OR
SWIMMING...GET TO LAND QUICKLY AND FIND SHELTER. IF IN THE OPEN
FIND A LOW SPOT AWAY FROM TREES...FENCES...AND POLES. IF YOU
EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE SIZE
OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.

SBL/TM

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.

In the hours before

Local storm report, Apr 17, 8:03 PM EDT, 4 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
803 PM EDT FRI APR 17 1998

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

553 PM     IDEAL                     GA   1.00 INCH HAIL
4/17/98    MACON                           REPORTED BY THE MACON COUNTY
                                           SHERIFFS OFFICE

604 PM     MONTEZUMA                 GA   1.00 INCH HAIL
4/17/98    MACON                          REPORTED BY THE MACON COUNTY
                                          SHERIFFS OFFICE

640 PM     LIZELLA                   GA   0.75 INCH HAIL
4/17/98    CRAWFORD                       REPORTED BY PUBLIC

645 PM     MACON                     GA   0.75 INCH HAIL
4/17/98    BIBB                           REPORTED BY PUBLIC

700 PM     6 SE MACON                GA   0.75 INCH HAIL
4/17/98    BIBB                           REPORTED BY PUBLIC

700 PM     5 SE MACON                GA   1.00 INCH HAIL
4/17/98    BIBB                           REPORTED BY PUBLIC

703 PM     S MACON                   GA   1.00 INCH HAIL
4/17/98    BIBB                           REPORTED BY PUBLIC

710 PM     GORDON                    GA   0.75 INCH HAIL
4/17/98    WILKINSON                      REPORTED BY PUBLIC

715 PM     DRY BRANCH                GA   1.00 INCH HAIL
4/17/98    TWIGGS                         REPORTED BY PUBLIC
Local storm report, Apr 17, 8:03 PM EDT, 4 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
803 PM EDT FRI APR 17 1998

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

553 PM     IDEAL                     GA   1.00 INCH HAIL
4/17/98    MACON                           REPORTED BY THE MACON COUNTY
                                           SHERIFFS OFFICE

604 PM     MONTEZUMA                 GA   1.00 INCH HAIL
4/17/98    MACON                          REPORTED BY THE MACON COUNTY
                                          SHERIFFS OFFICE

640 PM     LIZELLA                   GA   0.75 INCH HAIL
4/17/98    CRAWFORD                       REPORTED BY PUBLIC

645 PM     MACON                     GA   0.75 INCH HAIL
4/17/98    BIBB                           REPORTED BY PUBLIC

700 PM     6 SE MACON                GA   0.75 INCH HAIL
4/17/98    BIBB                           REPORTED BY PUBLIC

700 PM     5 SE MACON                GA   1.00 INCH HAIL
4/17/98    BIBB                           REPORTED BY PUBLIC

703 PM     S MACON                   GA   1.00 INCH HAIL
4/17/98    BIBB                           REPORTED BY PUBLIC

710 PM     GORDON                    GA   0.75 INCH HAIL
4/17/98    WILKINSON                      REPORTED BY PUBLIC

715 PM     DRY BRANCH                GA   1.00 INCH HAIL
4/17/98    TWIGGS                         REPORTED BY PUBLIC

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 8:07 PM EDTSevere Thunderstorm WarningFFCJefferson33 min
Apr 17, 8:38 PM EDTSevere Thunderstorm WarningFFCMarion, Webster32 min
Apr 17, 9:11 PM EDTSevere Thunderstorm WarningFFCMarion, Webster49 min
Apr 17, 9:17 PM EDTSevere Thunderstorm WarningFFCSchley33 min
Apr 17, 9:41 PM EDTSevere Thunderstorm WarningFFCSumter34 min
Apr 17, 10:07 PM EDTSevere Thunderstorm WarningFFCDooly48 min
Apr 17, 10:51 PM EDTSevere Thunderstorm WarningFFCBleckley, Houston, Pulaski34 min
Apr 17, 11:06 PM EDTTornado WarningFFCBleckley34 min
Apr 17, 11:28 PM EDTSevere Thunderstorm WarningFFCLaurens32 min
Apr 17, 11:40 PM EDTTornado WarningFFCLaurens35 min
Apr 18, 12:00 AM EDTSevere Thunderstorm WarningFFCBleckley, Dodge, Pulaski35 min
Apr 18, 12:04 AM EDTSevere Thunderstorm WarningFFCJohnson21 min
Apr 18, 12:23 AM EDTSevere Thunderstorm WarningFFCJefferson17 min
Apr 18, 7:23 PM EDTTornado WarningFFCFloyd32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.