Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 343, NWS Atlanta, GA

June 16, 1999Jasper County, Putnam County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 16, 1999, 5:15 PM EDT for Jasper County, Putnam County, Georgia. It was in force for 45 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
Jun 16, 1999, 5:15 PM EDT (21:15 UTC)
Expired
Jun 16, 1999, 6:00 PM EDT
In force
45 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Jasper County, GA, Putnam County, GA

The radar

The Robins AFB radar (KJGX), 74 km from the middle of the area, began a volume at 21:19 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.3 hours before the alert went out and 90 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 1999-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 296 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 1999-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
296 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
741 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

695 
WUUS1 KATL 162113 RRA
SVRATL
GAC159-237-162200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
515 PM EDT WED JUN 16 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JASPER COUNTY IN NORTHEASTERN GEORGIA
  PUTNAM COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 600 PM EDT

* AT 512 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  5 MILES SOUTH OF MONTICELLO... MOVING NORTHEAST AT 15 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   WILLARD                     AROUND 535 PM...

THIS THUNDERSTORM IS PRODUCING VERY HEAVY RAIN THAT MAY FLOOD
ROADS QUICKLY. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
IF YOU SEE FLOODING...LARGE HAIL OR WIND DAMAGE...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
Jun 16, 5:28 PM EDTSevere Thunderstorm WarningFFCOglethorpe, Taliaferro, Wilkes32 min
Jun 16, 5:28 PM EDTSevere Thunderstorm WarningFFCGreene32 min
Jun 16, 5:37 PM EDTTornado WarningFFCWilkes18 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.