Alert archive / Georgia / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 257, NWS Atlanta, GA

June 24, 1996Polk County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 24, 1996, 2:33 PM EDT for Polk County, Georgia. It was in force for 42 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 24, 1996, 2:33 PM EDT (18:33 UTC)
Expired
Jun 24, 1996, 3:15 PM EDT
In force
42 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Polk County, GA

The radar

The Atlanta radar (KFFC), 91 km from the middle of the area, began a volume at 18:38 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, 6.6 hours before the alert went out and 95 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 1996-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1688 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 1996-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -108 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
1688 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-108 m²/s²
0-3 km storm-relative helicity
-52 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 241834
SVRATL
GAC233-241915-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
233 PM EDT MON JUN 24 1996
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  315 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST GEORGIA
 
   ...POLK COUNTY
 
AT 230 PM WEATHER RADAR SHOWED A SEVERE THUNDERSTORMS NEAR CEDARTWON IN
POLK COUNTY. THE STORMS WAS MOVING TO THE EAST AT AROUND 15 MILES. HAIL
WAS INDICATED BY RADAR.
 
REPORTS FROM POLK COUNTY 911 INDICATED VERY HEAVY RAIN AND DANGEROUS
CLOUDY TO GROUND LIGHTNING WAS OBSERVED WITH THIS STORM.
 
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 24, 8:56 AM EDT, 5 hours 37 minutes before
GAZ001>166-242100-

SPECIAL WEATHER STATEMENT...CORRECTED EXPIRATION TIME
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
855 AM EDT MON JUN 24 1996

...HEAT INDICES 105 TO 110 DEGREES ACROSS MOST OF GEORGIA THIS
AFTERNOON...

TEMPERATURES ARE EXPECTED TO CLIMB INTO THE MIDDLE AND UPPER 90S
ACROSS MUCH OF GEORGIA AGAIN THIS AFTERNOON. THESE HIGH TEMPERATURES
COMBINED WITH HUMIDITY LEVELS OF 40 TO 50 PERCENT WILL CAUSE
HEAT INDICES IN THE 105 TO 110 DEGREES RANGE.

THE ONLY EXCEPTION TO THESE HEAT INDICES WILL BE IN THE MOUNTAINS...
WHERE AFTERNOON READINGS ARE EXPECTED TO BE AROUND 90. AS A RESULT
... HEAT INDICES WILL REMAIN BELOW 100 DEGREES.

THE HEAT INDEX IS A MEASURE OF HOW HOT IT FEELS WHEN THE EFFECTS
OF RELATIVE HUMIDITY ARE COMBINED WITH THE TEMPERATURE. A HEAT
INDEX OF 105 DEGREES IS CONSIDERED THE LEVEL AT WHICH THE BODY

BEGINS TO SUCCUMB TO THE EFFECTS OF EXCESSIVE HEAT. INDICES
OF 105 OR GREATER CAN LEAD TO HEAT CRAMPS...HEAT EXHAUSTION AND
POSSIBLY SUNSTROKE.

YOUNG CHILDREN...THE ELDERLY AND PERSONS WITH CHRONIC AILMENTS
ARE USUALLY THE FIRST TO SUFFER FROM EXCESSIVE HEAT. FRIENDS...
RELATIVES OR NEIGHBORS SHOULD CHECK ON PEOPLE SUSPECTED OF
BEING AT RISK.l

EFFECTS CAN BE MINIMIZED BY REDUCING OUTDOOR ACTIVITIES...
DRINKING PLENTY OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...
WEARING LIGHT COLORED/LIGHT WEIGHT CLOTHING AND...IF POSSIBLE
...SPENDING MORE TIME IN AIR-CONDITIONED FACILITIES.

Nearby

Severe Thunderstorm Warnings in Georgia, 1996Every 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.