Alert archive / Georgia / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 271, NWS Atlanta, GA

June 26, 1996Johnson County, Washington County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 26, 1996, 9:16 PM EDT for Johnson County, Washington County, Georgia. It was in force for 29 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: Jun 26, 1996, 9:16 PM EDT (01:16 UTC)
Expired: Jun 26, 1996, 9:45 PM EDT
In force: 29 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Johnson County, GA, Washington County, GA

The radar

The Robins AFB radar (KJGX), 61 km from the middle of the area, began a volume at 01:15 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.

What was reported inside it

Time	Report	Where	Remark
Jun 26, 9:20 PM EDT	Thunderstorm Wind	Riddleville, GA

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 00:00Z, 1.3 hours before the alert went out and 255 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 728 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 718 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 35 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.

000 
TTAA00 KATL 270115
SVRATL
GAC167-303-270145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
916 PM EDT WED JUN 26 1996
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL GEORGIA
 
   ...JOHNSON COUNTY...WASHINGTON COUNTY
 
AT 915 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF
SEVERE THUNDERSTORMS FROM 10 MILES SOUTHEAST OF SANDERSVILLE TO WADLEY.
THE STORMS WERE MOVING SOUTHWEST AT 10 MPH.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE @HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 8:55 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson	35 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1996 Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.