Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 2, NWS Atlanta, GA

January 17, 1999Crisp County, Sumter County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 17, 1999, 6:06 PM EST for Crisp County, Sumter County, Georgia. It was in force for 49 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
Jan 17, 1999, 6:06 PM EST (23:06 UTC)
Expired
Jan 17, 1999, 6:55 PM EST
In force
49 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Crisp County, GA, Sumter County, GA

What was reported inside it

TimeReportWhereRemark
Jan 17, 6:25 PM ESTHail 0.75Leslie, GAThe sheriff's office reported nickel 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.1 hours before the alert went out and 162 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 1999-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1999-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1480 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
179 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 
WUUS1 KATL 172308 RRA
SVRATL
GAC081-261-172355-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
606 PM EST SUN JAN 17 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRISP COUNTY IN CENTRAL GEORGIA
  EASTERN SUMTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 655 PM EST

* AT 603 PM EST... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR 6 MILES WEST OF FLINTSIDE... MOVING NORTHEAST AT 30 MPH.
NICKEL SIZE HAIL WAS REPORTED BY LAW ENFORECEMENT BETWEEN LESLIE
AND DESOTA WITH THIS STORM.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   FLINTSIDE                   AROUND 615 PM EST
   RAINES                      AROUND 620 PM EST
   CONEY                       AROUND 620 PM EST
   WENONA                      AROUND 630 PM EST
   CORDELE                     AROUND 635 PM EST

DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING
ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. IF YOU SEE DAMAGE OR
LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 770.486.1133
EXTENSION 204.

$$ LEW

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 5:18 PM ESTSevere Thunderstorm WarningFFCSumter, Webster32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1999Every severe thunderstorm warning 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.