Alert archive / Georgia / Tornado Warnings in 1999

Tornado Warning 3, NWS Atlanta, GA

April 15, 1999Sumter County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 15, 1999, 9:44 AM EDT for Sumter County, Georgia. It was in force for 36 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
Apr 15, 1999, 9:44 AM EDT (13:44 UTC)
Expired
Apr 15, 1999, 10:20 AM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Sumter County, GA

What was reported inside it

TimeReportWhereRemark
Apr 15, 9:53 AM EDTHail 1.75Americus, GASeveral reports from the public and the sheriff indicated hail from quarter size to golfball size fell in central and northeast Sumter county.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 15, 7:30 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 1.7 hours before the alert went out and 151 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, Peachtre/Fal Fld, GA at 12:00Z on 1999-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Peachtre/Fal Fld, GA at 12:00Z on 1999-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 401 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
2 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
481 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
401 m²/s²
0-3 km storm-relative helicity
630 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.

999 
WFUS1 KATL 151345 RRA
TORATL
GAC261-151420-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
944 AM EDT THU APR 15 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  SUMTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 1020 AM EDT

* AT 943 AM EDT... A TORNADO WAS INDICATED BY DOPPLER RADAR  10
  MILES SOUTHWEST OF AMERICUS... MOVING EAST AT 50 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS TORNADO ARE...
    AMERICUS                    AROUND 950 AM EDT...
    NEW ERA                     AROUND 1000 AM EDT...
    LESLIE                      AROUND 1000 AM EDT...
    DESOTO                      AROUND 1000 AM EDT...

THIS IS A DANGEROUS STORM SITUATION. MOVE IMMEDIATELY TO A SHELTER
BELOW GROUND...OR TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR.
AVOID WINDOWS. IF YOU SEE DAMAGE OR LARGE HAIL...CALL THE NATIONAL
WEATHER SERVICE AT 770-486-1133 AT EXTENSION 2 0 4.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 6:23 AM EDTSevere Thunderstorm WarningFFCBarrow, Jackson32 min
Apr 15, 7:55 AM EDTTornado WarningFFCMarion, Webster50 min
Apr 15, 8:15 AM EDTSevere Thunderstorm WarningFFCMacon, Schley, Taylor45 min
Apr 15, 9:09 AM EDTTornado WarningFFCWebster31 min
Apr 15, 10:10 AM EDTTornado WarningFFCDooly35 min
Apr 15, 10:48 AM EDTTornado WarningFFCPulaski, Wilcox32 min
Apr 15, 11:03 AM EDTSevere Thunderstorm WarningFFCDodge32 min
Apr 15, 12:00 PM EDTSevere Thunderstorm WarningFFCLaurens, Treutlen35 min
Apr 15, 12:22 PM EDTSevere Thunderstorm WarningFFCMontgomery18 min
Apr 15, 12:39 PM EDTTornado WarningFFCEmanuel, Toombs21 min
Apr 15, 1:12 PM EDTTornado WarningFFCDodge33 min
Apr 15, 1:36 PM EDTSevere Thunderstorm WarningFFCLaurens29 min
Apr 15, 1:59 PM EDTSevere Thunderstorm WarningFFCMontgomery, Treutlen31 min
Apr 15, 2:27 PM EDTSevere Thunderstorm WarningFFCEmanuel18 min
Apr 15, 4:40 PM EDTSevere Thunderstorm WarningFFCGlascock, Warren30 min

Nearby

Tornado Warnings in Georgia, 1999Every tornado warning in 1999Tornadoes in 1999

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.