Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 59, NWS Tallahassee, FL

July 8, 1990Dougherty County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 8, 1990, 8:00 PM EDT for Dougherty County, Georgia. It was in force for 60 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
Jul 8, 1990, 8:00 PM EDT (00:00 UTC)
Expired
Jul 8, 1990, 9:00 PM EDT
In force
60 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Dougherty County, GA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 8, 8:30 PM EDTThunderstorm Wind 0Dougherty, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Apalachicola Mun, FL (KAQQ), launched 00:00Z, 0.0 hours before the alert went out and 214 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, Apalachicola Mun, FL at 00:00Z on 1990-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2261 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, Apalachicola Mun, FL at 00:00Z on 1990-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
2261 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
931 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
67 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 KCSG 090000
SVRCSG
GAC095-090100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS GA
800 PM EDT SUN JUL 8 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST GEORGIA
 
   ...DOUGHERTY COUNTY
 
COLUMBUS WEATHER INDICATED A VERY STRONG THUNDERSTORM LOCATED TO THE
SOUTHWEST OF ALBANY GEORGIA. VERY LITTLE MOVEMENT.
 
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, Jul 8, 7:04 PM EDT, 56 minutes before
FLZ003-090000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
704 PM EDT (604 PM CDT) SUN JUL 8 1990

AT 700 PM EDT (600 PM CDT) NATIONAL WEATHER SERVICE RADAR CONTINUED TO
INDICATE A STRONG THUNDERSTORM OVER WEST CENTRAL JACKSON COUNTY OF
NORTH FLORIDA. VERY HEAVY RAINFALL...FREQUENT CLOUD TO GROUND
LIGHTNING...AND STRONG GUSTY WINDS ARE POSSIBLE WITH THIS
THUNDERSTORM. OTHER SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED
OVER NORTHEASTERN SECTIONS OF THE FLORIDA PANHANDLE...SOUTHEAST
ALABAMA...AND SOUTHWEST GEORGIA. LITTLE MOVEMENT WAS INDICATED.

JGM

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 8:43 PM EDTSevere Thunderstorm WarningTAECalhoun, Randolph, Terrell62 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1990Every severe thunderstorm warning in 1990

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.