Alert archive / Georgia / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 263, NWS Atlanta, GA

August 4, 1994Irwin County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 4, 1994, 6:16 PM EDT for Irwin County, Georgia. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Aug 4, 1994, 6:16 PM EDT (22:16 UTC)
Expired
Aug 4, 1994, 7:15 PM EDT
In force
59 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Irwin County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.3 hours before the alert went out and 165 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, Tallahassee Rgnl, FL at 12:00Z on 1994-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1691 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, Tallahassee Rgnl, FL at 12:00Z on 1994-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
1691 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
23 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 KMCN 042216 RRA
SVRMCN
GAC155-042315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MACON GA
616 PM EDT THU AUG 4 1994
 
THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL GEORGIA
 
   ...IRWIN COUNTY
 
AT 614 PM WEATHER RADAR IN MACON SHOWED A SEVERE THUNDERSTORM WEST OF
OCILLA NEAR IRWINVILLE. MOVEMENT WAS EAST AT 10 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, Aug 4, 4:52 PM EDT, 1 hour 24 minutes before
GAZ008>010-014>018-023>029-035>038-047>051-042200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
452 PM EDT THU AUG 04 1994

ATHENS RADAR AT 448 PM EDT SHOWED STRONG THUNDERSTORMS
OVER NORTHEAST GEORGIA MAINLY IN WHITE...HABERSHAM... RABUN
COUNTIES AND NEAR LAKE LANIER IN SOUTHWEST HALL COUNTY.
MOVEMENT WAS TO THE EAST AT 15 MILES AN HOUR.  THESE STORMS
WERE PRODUCING VERY HEAVY RAIN...FREQUENT DEADLY LIGHTNING...
STRONG GUSTY WINDS AND POSSIBLE HAIL.  IF YOU ARE IN THE
PATH OF THESE STORMS SEEK SAFE SHELTER IN A STRONG BUILDING.

ELSEWHERE...SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN
WERE OVER OTHER PARTS OF GEORGIA...EASTERN TENNESSEE AND THE
WESTERN CAROLINAS.  THE HEAVIEST RAIN WAS SOUTHEAST OF DUBLIN
AND 15 MILES NORTHWEST OF STATESBORO GEORGIA AND NEAR ATHENS
TENNESSEE.

MOVEMENT WAS TO THE EAST AT 15 MILES AN HOUR.

>_HCENT.
.FRIDAY...PARTLYgf6WWUS
|WUUS
b6`WWUSZ

.FRIDAY NIGHT.x6WWUS|
 THE MID 60S.
py6WWUS&
 WITH A HIGH IN UPPER 80S.

OKZ071-072-0qf6WWUS
QUOYAH-HASKELL-0 PM CDT THU AUG1994

.TONIGo6WWUSR
SCATTERED SHOWERD THUNDERSTORMS.OW IN THE UPPER   SOUTH WIND ARO10 MPH...SHI THE
Special weather statement, Aug 4, 4:54 PM EDT, 1 hour 22 minutes before
GAZ008>010-014>018-023>029-035>038-047>051-042200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
452 PM EDT THU AUG 04 1994

ATHENS RADAR AT 448 PM EDT SHOWED STRONG THUNDERSTORMS
OVER NORTHEAST GEORGIA MAINLY IN WHITE...HABERSHAM... RABUN
COUNTIES AND NEAR LAKE LANIER IN SOUTHWEST HALL COUNTY.
MOVEMENT WAS TO THE EAST AT 15 MILES AN HOUR.  THESE STORMS
WERE PRODUCING VERY HEAVY RAIN...FREQUENT DEADLY LIGHTNING...
STRONG GUSTY WINDS AND POSSIBLE HAIL.  IF YOU ARE IN THE
PATH OF THESE STORMS SEEK SAFE SHELTER IN A STRONG BUILDING.

ELSEWHERE...SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN
WERE OVER OTHER PARTS OF GEORGIA...EASTERN TENNESSEE AND THE
WES$TERN CAROLINAS.  THE HEAVIEST RAIN WAS SOUTHEAST OF DUBLIN
AND 15 MILES NORTHWEST OF STATESBORO GEORGIA AND NEAR ATHENS
TENNESSEE.

MOVEMENT WAS TO THE EAST AT 15 MILES AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 6:39 PM EDTSevere Thunderstorm WarningFFCTurner66 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1994Every severe thunderstorm warning in 1994

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.