Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 56, NWS Tallahassee, FL

July 2, 1990Baker County, Mitchell County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 2, 1990, 4:26 PM EDT for Baker County, Mitchell County, Georgia. It was in force for 64 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 2, 1990, 4:26 PM EDT (20:26 UTC)
Expired
Jul 2, 1990, 5:30 PM EDT
In force
64 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Baker County, GA, Mitchell 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 2, 5:30 PM EDTThunderstorm Wind 0Baker, 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, 8.4 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, Apalachicola Mun, FL at 12:00Z on 1990-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2346 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 1990-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
2346 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCSG 022027
SVRCSG
GAC007-205-022130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS GA
426 PM EDT MON JUL 2 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST GEORGIA
 
   ...SOUTHEASTERN BAKER COUNTY...WEST CENTRAL MITCHELL COUNTY
 
AT 4:25 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM JUST NORTH OF NEWTON IN BAKER COUNTY MOVING SOUTHEAST AT
20 MILES AN HOUR. THIS STORM WILL BE MOVING INTO MITCHELL COUNTY IN
SOUTHWEST GEORGIA SHORTLY.
 
 
 
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 2, 2:10 PM EDT, 2 hours 16 minutes before
FLZ003-005-006-007-GAZ011-012-022015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
210 PM EDT (110 PM CDT) MON JUL 2 1990

...SEVERE THUNDERSTORM WATCH FOR CALHOUN...JACKSON AND GULF COUNTIES
   OF NORTHWEST FLORIDA UNTIL 8 PM CDT (9PM EDT)...

AT 200 PM EDT WEATHER RADAR SHOWED THUNDERSTORMS DEVELOPING RAPIDLY
ACROSS NORTHWEST FLORIDA AND SOUTHWEST GEORGIA.  STRONGEST
THUNDERSTORMS WERE JUST INLAND ALONG THE COAST OF TAYLOR COUNTY.
ANOTHER STRONG THUNDERSTORM WAS LOCATED OVER GADSDEN COUNTY JUST NORTH
OF QUINCY.  THESE THUNDERSTORMS WERE MOVING TOWARDS THE SOUTHEAST AT
LESS THAN 10 MPH.

CONDITIONS ACROSS NORTHWEST FLORIDA AND SOUTHWEST GEORGIA FAVOR MORE
THUNDERSTORM DEVELOPMENT THROUGHOUT THE AFTERNOON AND EVENING.  SOME
OF THESE THUNDERSTORMS MAY CONTAIN VERY HEAVY RAIN...LOCALLY STRONG
GUSTY WINDS AND HAIL.

PERSONS ENGAGED IN OR PLANNING OUTDOOR ACTIVITIES ACROSS NORTHWEST
FLORIDA AND SOUTHWEST GEORuGIA FOR THE REST OF THE AFTERNOON AND
EVENING SHOULD STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV
STATIONS FOR FURTHER INFORMATION ON THESE DEVELOPING THUNDERSTORMS.

FURTHER STATEMENTS WILL BE ISSUED AS NEEDED.

WPD...1810Z.
Special weather statement, Jul 2, 3:33 PM EDT, 53 minutes before
FLZ003-005-006-007-GAZ011-012-022130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
330 PM EDT (230 PM CDT) MON JUL 2 1990

...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHWEST FLORIDA UNTIL
   8 PM CDT (9 PM EDT) THIS EVENING...INCLUDING JACKSON...CALHOUN AND
   GULF COUNTIES...

THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG GUSTY WINDS AND SMALL HAIL
CONTINUE TO DEVELOP ACROSS NORTHWEST FLORIDA AND SOUTHWEST GEORGIA
THIS AFTERNOON.

AT AROUND 320 PM EDT STRONGEST THUNDERSTORMS WERE LOCATED OVER EXTREME
SOUTHERN SEMINOLE COUNTY...SOUTHWESTERN LEON COUNTY...ACROSS EASTERN
WAKULLA AND SOUTHERN JEFFERSON COUNTIES...AND ACROSS SOUTHERN TAYLOR
AND NORTHERN DIXIE COUNTIES.

AN OBSERVER DRIVING ALONG STATE HIGHWAY 271 JUST NORTH OF SNEADS
REPORTED STRONG GUSTY WINDS...VERY HEAVY RAIN...AND PEA TO MARBLE
SIZED HAIL SHORTLY AFTER 3 PM EDT.

INTENSE THUNDERSTORMS WERE ALSO DEVELOPING OVER SOUTHERN LAFAYETTE
COUNTY THIS AFTERNOON.  THESE THUNDERSTORMS WERE MOVING TOWARDS THE
SOUTHEAST AT AROUND 10 TO 15 MPH.

FURTHER STATEMENTS WILL BE ISSUED AS NEEDED.

WPD...1930Z.

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.