Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 38, NWS Tallahassee, FL

April 28, 1990Chattahoochee County, Harris County, Muscogee County, Georgia; Russell County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 28, 1990, 2:29 PM EDT for Chattahoochee County, Harris County, Muscogee County, Georgia; Russell County, Alabama. It was in force for 91 min. 4 reports 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
Apr 28, 1990, 2:29 PM EDT (18:29 UTC)
Expired
Apr 28, 1990, 4:00 PM EDT
In force
91 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Russell County, AL, Chattahoochee County, GA, Harris County, GA, Muscogee 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
Apr 28, 2:50 PM EDTThunderstorm Wind 0Russell, AL
Apr 28, 2:58 PM EDTThunderstorm Wind 58Muscogee, GA
Apr 28, 3:15 PM EDTHail 1.75Muscogee, GA
Apr 28, 3:40 PM EDTThunderstorm Wind 0Chattahoochee, 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

Centreville/Bibb, AL (KCKL), launched 12:00Z, 6.5 hours before the alert went out and 217 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, Centreville/Bibb, AL at 12:00Z on 1990-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 75 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, Centreville/Bibb, AL at 12:00Z on 1990-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.193958Sfc1 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
75 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
718 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCSG 281830
SVRCSG
ALC113-GAC053-145-215-282030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS GA
229 PM EDT SAT APR 28 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL ALABAMA
 
   ...RUSSELL COUNTY
 
 
IN WEST CENTRAL GEORGIA
 
   ...CHATTAHOOCHEE COUNTY...HARRIS COUNTY...MUSCOGEE COUNTY
 
WEATHER RADAR INDICATED TWO SEVERE THUNDERSTORMS 40 MILES SOUTH
SOUTHWEST OF THE NATIONAL WEATHER SERVICE OFFICE. THESE STORMS HAVE
PRODUCED GUSTY WINDS AND HAIL DURING THE PAST HOUR. MOVEMENT TO THE
NORTHEAST AT 40 MPH.
 
 
A TO*RNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Apr 28, 9:41 AM EDT, 4 hours 48 minutes before
FLZ006-007-281545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
941 AM EDT SAT APR 28 1990

AT 930 AM NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
THUNDERSTORMS FROM VALDOSTA GEORGIA TO GREENVILLE FLORIDA IN MADISON
COUNTY TO SCANLON IN TAYLOR COUNTY. THESE THUNDERSTORMS WERE MOVING
EAST AT 25 MPH.

THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...HEAVY RAINFALL AND POSSIBLE SMALL HAIL AS THEY MOVE
THROUGH MADISON...TAYLOR AND DIXIE COUNTIES DURING THE NEXT COUPLE OF
HOURS.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER NEWS MEDIA FOR ADDITIONAL
INFORMATION ON THESE THUNDERSTORMS.

ADB
Special weather statement, Apr 28, 2:13 PM EDT, 16 minutes before
FLZ006-282015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
211 PM EDT SAT APR 28 1990

...TORNADO WATCH REMAINS IN EFFECT FOR DIXIE AND TAYLOR COUNTIES...

AT 200 PM NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
THUNDERSTORMS FROM JUST SOUTH OF PERRY FLORIDA EXTENDING SOUTHWEST INTTHE GULF TO 30 MILES SOUTH OF ST. MARKS. MOVEMENT WAS EAST AT 6 MPH.
THE HEAVIEST RAINFALL WAS INDICATED OVER THE GULF 25 MILES SOUTH OF
THE JEFFERSON COUNTY COAST.

THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...HEAVY RAIN AND POSSIBLE SMALL HAIL AS THEY MOVE OVER THE
APALACHEE BAY AND ACROSS TAYLOR AND DIXIE COUNTIES DURING THE NEXT
COUPLE OF HOURS.

"STAY TUNED TO NOAA WEATHER RADIO AND OTHER NEWS MEDIA FOR ADDITIONAL
STATEMENTS ON THESE THUNDERSTORMS.

ADB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 2:48 PM EDTSevere Thunderstorm WarningTAEMacon, Taylor57 min
Apr 28, 4:07 PM EDTSevere Thunderstorm WarningTAEMarion, Schley2 hr
Apr 28, 4:18 PM EDTSevere Thunderstorm WarningTAEMacon, Taylor57 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1990Severe Thunderstorm Warnings in Alabama, 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.