Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 83, NWS Tallahassee, FL

August 30, 1990Colquitt County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 30, 1990, 3:57 PM EDT for Colquitt County, Georgia. It was in force for 48 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
Aug 30, 1990, 3:57 PM EDT (19:57 UTC)
Expired
Aug 30, 1990, 4:45 PM EDT
In force
48 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Colquitt 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
Aug 30, 4:15 PM EDTThunderstorm Wind 0Colquitt, 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 12:00Z, 8.0 hours before the alert went out and 201 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 12:00Z on 1990-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3312 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 12:00Z on 1990-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
3312 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
24 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 KCSG 301958
SVRCSG
GAC071-302045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS GA
357 PM EDT THU AUG 30 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  445 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL GEORGIA
 
   ...COLQUITT COUNTY
 
A SEVERE THUNDERSTORM WAS NEAR MOULTRIE IN COLQUITT COUNTY
GEORGIA MOVING SOUTHEAST AT 25 MILES AN HOUR.
 
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 ST0AY AWAY FROM WINDOWS.

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 30, 1:01 PM EDT, 2 hours 56 minutes before
FLZ003-005-006-007-GAZ011-012-301800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
100 PM EDT(NOON CDT) THU AUG 30 1990

AT 100 PM EDT NATIONAL WEATHER RADAR SHOWED AN ISOLATED THUNDERSTORM
MOVING INTO WESTERN JACKSON COUNTY. THIS THUNDERSTORMWAS WAS MOVING
EAST AT 20 MILES AN HOUR AND WILL BE MOVING ACROSS CENTRAL AND
NORTHERN JACKSON COUNTY DURING THE NEXT HOUR.

THIS THUNDERSTORM WILL LIKELY PRODUCE VERY HEAVY RAIN...STRONG GUSTY
WINDS...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL AS IT MOVES THROUGH
THE AREA DURING THE NEXT HOUR.

ALTHOUGH THIS IS AN ISOLATED THUNDERSTORM...CONDITIONS ARE FAVORABLE
OVER THE REGION FOR THE DEVELOPMENT OF ADDITIONAL THUNDERSTORMS WITH
STRONG GUSTY WINDS.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR ADDITIONAL
STATEMENTS ON THIS WEATHER SITUATION.

ADB...30/1700Z
Special weather statement, Aug 30, 2:03 PM EDT, 1 hour 54 minutes before
FLZ003-005-006-007-GAZ011-012-301900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
202 PM EDT (102 PM CDT) THU AUG 30 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT...

AT SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SEMINOLE...DECATUR...
GRADY...THOMAS AND BROOKS COUNTIES OF SOUTHERN GEORGIA AND JACKSON...
CALHOUN COUNTIES OF THE FLORIDA PANHANDLE.

AT 202 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS FROM JUST SOUTHWEST OF ALBANY GEORGIA TO 20 MILES
NORTHWEST OF BAINBRIDGE GEORGIA TO JACKSON COUNTY OF FLORIDA TO
IN THE VICINITY OF MARIANNA TO 30 MILES NORTHWEST OF BLOUNTSTOWN.
THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR
AND WILL BE MOVING THROUGH SEMINOLE...JACKSON...AND CALHOUN COUNTIES
DURING THE NEXT HOUR.

THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...VERY HEAVY
RAINFALL...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL DURING THE NEXT
HOUR\.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS ON THESE
THUNDERSTORMS...
Special weather statement, Aug 30, 3:05 PM EDT, 52 minutes before
FLZ003-005-006-007-GAZ011-012-301900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
305 PM EDT (102 PM CDT) THU AUG 30 1990

  ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT...

AT SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SEMINOLE...DECATUR...
GRADY...THOMAS AND BROOKS COUNTIES OF SOUTHERN GEORGIA AND JACKSON
AND CALHOUN COUNTIES OF THE FLORIDA PANHANDLE.

AT 300 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED NUMEROUS
THUNDERSTORMS FROM  ALBANY GEORGIA TO 20 TO BAINBRIDGE GEORGIA
TO JUST SOUTH OF SNEADS. ANOTHER AREA OF THUNDERSTORMS WAS NOTED
FROM YOUNGSTOWN TO  JUST NORTH OF PANAMA CITY AND ALONG THE COAST TO
FT. WALTON BEACH. THESE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN
HOUR AND WILL BE MOVING THROUGH GRADY COUNTY OF SOUTH GEORGIA AND
GADSDEN AND CALHOUN COUNTIES OF NORTH FLORIDA DURING THE NEXT
HOUR.
THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...VERY HEAVY
RAIN...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL DURING THE NEXT HOUR.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS ON THESE
THUNDERSTORMS.

ADB...30/1905Z
Special weather statement, Aug 30, 3:07 PM EDT, 50 minutes before
FLZ003-005-006-007-GAZ011-012-301900-

SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME...
NATIONAL WEATHER SERVICE TALLAHASSEE FL
305 PM EDT (205 PM CDT) THU AUG 30 1990

  ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT...

AT SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SEMINOLE...DECATUR...
GRADY...THOMAS AND BROOKS COUNTIES OF SOUTHERN GEORGIA AND JACKSON
AND CALHOUN COUNTIES OF THE FLORIDA PANHANDLE.

AT 300 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED NUMEROUS
THUNDERSTORMS FROM  ALBANY GEORGIA TO 20 TO BAINBRIDGE GEORGIA
TO JUST SOUTH OF SNEADS. ANOTHER AREA OF THUNDERSTORMS WAS NOTED
FROM YOUNGSTOWN TO  JUST NORTH OF PANAMA CITY AND ALONG THE COAST TO
FT. WALTON BEACH. THESE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN
HOUR AND WILL BE MOVING THROUGH GRADY COUNTY OF SOUTH GEORGIA AND
GADSDEN AND CALHOUN COUNTIES OF NORTH FLORIDA DURING THE NEXT
HOUR.
THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...VERY HEAVY
RAIN...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL DURING THE NEXT HOUR.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS ON THESE
THUNDERSTORMS.

ADB...30/1905Z

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 12:20 PM EDTSevere Thunderstorm WarningTAEMarion, Stewart, Webster55 min
Aug 30, 1:20 PM EDTSevere Thunderstorm WarningTAEStewart55 min
Aug 30, 2:00 PM EDTSevere Thunderstorm WarningTAEDougherty60 min
Aug 30, 2:23 PM EDTSevere Thunderstorm WarningTAEEarly, Miller67 min
Aug 30, 7:22 PM EDTSevere Thunderstorm WarningTAETaylor53 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.