Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 29, NWS Tallahassee, FL

March 16, 1990Macon County, Taylor County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 16, 1990, 9:34 PM EST for Macon County, Taylor County, Georgia. It was in force for 41 min. 3 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
Mar 16, 1990, 9:34 PM EST (02:34 UTC)
Expired
Mar 16, 1990, 10:15 PM EST
In force
41 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Macon County, GA, Taylor 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
Mar 16, 9:50 PM ESTThunderstorm Wind 0Taylor, GA
Mar 16, 9:50 PM ESTThunderstorm Wind 0Taylor, GA
Mar 16, 10:00 PM ESTThunderstorm Wind 0Macon, 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

Athens Municipal, GA (KAHN), launched 00:00Z, 2.6 hours before the alert went out and 184 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, Athens Municipal, GA at 00:00Z on 1990-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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, Athens Municipal, GA at 00:00Z on 1990-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 428 square meters per square second.1939587897Sfc1 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
60 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
953 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
428 m²/s²
0-3 km storm-relative helicity
525 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCSG 170236
SVRCSG
GAC193-269-170315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS GA
934 PM EST FRI MAR 16 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL GEORGIA
 
   ...MACON COUNTY...TAYLOR COUNTY
 
AT 9 31 EST COLUMBUS WEATHER RADAR INDICATED A SCATTERED LINE OF
SEVERE THUNDERSTORMS OCCURRING FROM 10 MILES NORTH OF BUTLER IN
TAYLOR COUNTY TO 7 MILES NORTH NORTHEAST OF ELLAVILLE IN MACON
COUNTY. THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR
AND INCREASING IN INTENSITY.
 
A TORNADO 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, Mar 16, 3:57 PM EST, 5 hours 37 minutes before
FLZ003-005-GAZ011-012-162300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
356 PM EST (256 PM CST) FRI MAR 16 1990

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST THIS FRIDAY
AFTERNOON FOR MUCH OF NORTHWEST AND NORTH FLORIDA AND FOR SOUTHWEST
AND SOUTH CENTRAL GEORGIA. AT THIS TIME NATIONAL WEATHER SERVICE
RADARS INDICATED ONLY ISOLATED SHOWERS FROM DOTHAN AL TO CRESTVIEW FL.
THIS WILL BE THE LAST SPECIAL WEATHER STATEMENT UNTIL RADAR OR SURFACE
REPORTS INDICATE ANY SIGNIFICANT WEATHER.
Special weather statement, Mar 16, 6:36 PM EST, 2 hours 58 minutes before
FLZ003-005-GAZ011-012-160130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
635 PM EST (530 PM CST) FRI MAR 16 1990

...A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST FOR MUCH OF
   NORTHWEST AND NORTH FLORIDA AND SOUTHWEST GEORGIA...

AT 615 PM EST NATIONAL WEATHER SERVICE RADARS INDICATED A BAND HEAVY
SHOWERS AND THUNDERSTORMS REMAINING ACROSS THE WESTERN FLORIDA PANHANDLE
FROM NORTHWEST OF DOTHAN TO NEAR CRESTVIEW AND PENSACOLA...AND
SOUTHWEST INTO THE GULF.  THIS BAND OF SHOWERS AND THUNDERSTORMS WAS
MOVING VERY SLOWLY TOWARDS THE EAST.

ELSEWHERE ONLY ISOLATED LIGHT SHOWERS WERE INDICATED...MAINLY WEST OF
THE APALACHICOLA RIVER.

FURTHER STATEMENTS WILL BE IS[SUED IF NEEDED.

DUVAL

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 11:40 PM ESTFlash Flood WarningTAEMuscogee3 hr
Mar 17, 12:57 AM ESTSevere Thunderstorm WarningTAEStewart63 min
Mar 17, 2:20 AM ESTSevere Thunderstorm WarningTAECalhoun, Terrell25 min
Mar 17, 2:53 AM ESTFlash Flood WarningTAEMuscogee4 hr
Mar 17, 11:00 AM ESTFlash Flood WarningTAEWebster3 hr

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.