Alert archive / Georgia / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 229, NWS Atlanta, GA

June 12, 1996Wilkes County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 12, 1996, 4:13 PM EDT for Wilkes County, Georgia. It was in force for 22 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 12, 1996, 4:13 PM EDT (20:13 UTC)
Expired: Jun 12, 1996, 4:35 PM EDT
In force: 22 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Wilkes County, GA

The radar

The Greer radar (KGSP), 132 km from the middle of the area, began a volume at 20:17 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, 8.2 hours before the alert went out and 169 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: 106 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1256 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 122014
SVRATL
GAC317-122035-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
413 PM EDT WED JUN 12 1996
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  435 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST GEORGIA
 
   ...WILKES COUNTY
 
AT 410 PM A SEVERE THUNDERSTORM WAS INDICATED OVER WASHINGTON
MOVING EAST AT 45 MPH.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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

Special weather statement, Jun 12, 11:16 AM EDT, 4 hours 57 minutes before

GAZ001>008-011-012-019-121615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1115 AM EDT WED JUN 12 1996

        ...VERY STRONG THUNDERSTORMS CONTINUE OVER PARTS OF
            NORTHWEST AND NORTH GEORGIA ALONG THE TENNESSEE
            BORDER...

VERY STRONG THUNDERSTORMS EXTENDED FROM SUMMERVILLE TO
CHATSWORTH...THEN EAST TO NEAR BLAIRSVILLE. THESE STORM HAVE BEEN
MOVING ALMOST DUE EAST AT 35 MILES AN HOUR. THE STRONGEST STORMS
HAVE CONTINUED TO REMAIN IN NORTHEAST ALABAMA BETWEEN GADSDEN
AND HUNTSVILLE.

DURING THE NEXT SEVERAL HOURS VERY STRONG THUNDERSTORMS WILL REMAIN
OVER A LARGE AREA OF NORTHWEST AND NORTH GEORGIA FROM SUMMERVILLE TO
LA FAYETTE..THEN EAST DAWSONVILLE...BLUE RIDGE AND BLAIRSVILLE. SOME
STORMS MAY PRODUCE DANGEROUS LIGHTNING AND...SMALL HAIL.

WEATHER RADAR HAS SHOWN RAINFALL RATES BETWEEN 10 AND 11 AM OF ONE
TO ONE AND A HALF INCHES OVER NORTHWEST AND NORTH GEORGIA.. FLOODING
OF SMALL STREAMS AND LOW AREA MAY DEVELOP AS THUNDERSTORMS AGAIN
PASS OVER THIS REGION OF THE STATE FOR A SECOND TIME BY MID DAY OR
EARLY THIS AFTERNOON.

G2B

Special weather statement, Jun 12, 1:16 PM EDT, 2 hours 57 minutes before

GAZ020>023-030>034-045-121815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
115 PM EDT WED JUN 12 1996

   ...VERY STRONG THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO DEVELOP
      JUST NORTH OF THE ATLANT AREA EARLY THIS AFTERNOON...

AT 1 PM WEATHER RADAR SHOWED A LARGE AREA OF THUNDERSTORMS...SOME
QUITE STRONG....FROM NEAR CEDARTOWN TO CARTERSVILLE...EAST TO CANTON
AND CUMMING. THE INDIVIDUAL STORMS HAVE BEEN MOVING TO THE EAST AT
30 MILES AN HOUR. THE STRONGEST STORM WAS CENTER 10 MILES SOUTH OF
CARTERSVILLE. REPORTS THAT WERE RECEIVED FROM PAULDING AND BARTOW
COUNTIES HAVE INDICATED THAT MAINLY VERY HEAVY RAIN AND DANGEROUS
CLOUD TO GROUND LIGHTNING WAS OBSERVED.

THUNDERSTORMS WILL CONTINUE TO DEVELOP NORTH AND WEST OF ATLANTA
EARLY THIS AFTERNOON AND GRADUALLY MOVE SOUTH TO THE SOUTHERN
SUBURBS. IF YOU LIVE IN THE AREA ALONG AND SOUTH OF A LINE FROM
DALLAS TO CARTERSVILLE...THEN EAST CUMMING...GET PREPARED FOR...VERY
HEAVY RAIN...DANGEROUS LIGHTNING...WIND GUST TO 40 MPH AND POSSIBLY
SMALL HAIL AS THUNDERSTORMS EITHER FORM OR MOVE INTO YOUR AREA
DURING THE NEXT SEVERAL HOURS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 6:54 PM EDT	Severe Thunderstorm Warning	FFC	Rockdale	36 min
Jun 12, 7:32 PM EDT	Severe Thunderstorm Warning	FFC	Morgan, Newton, Walton	28 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.