Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 74, NWS Atlanta, GA

April 10, 1990Haralson County, Polk County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 10, 1990, 4:23 PM EDT for Haralson County, Polk County, Georgia. It was in force for 52 min. 2 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 10, 1990, 4:23 PM EDT (20:23 UTC)
Expired
Apr 10, 1990, 5:15 PM EDT
In force
52 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Haralson County, GA, Polk 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 10, 4:40 PM EDTHail 0.88Haralson, GA
Apr 10, 5:10 PM EDTHail 0.75Haralson, 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 12:00Z, 8.4 hours before the alert went out and 175 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 12:00Z on 1990-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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 12:00Z on 1990-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 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
26 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
268 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 KATL 102024
SVRATL
GAC143-233-102115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
423 PM EDT TUE APR 10 1990
 
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHWEST GEORGIA
          ...NORTHERN HARALSON...POLK
 
AT 422 PM...RADAR INDICATED POSSIBLE SEVERE THUNDERSTORMS NEAR
ANNISTON ALABAMA MOVING NORTHEAST AT 60 MPH. THESE STORMS WILL CROSS
THE GEORGIA BORDER AND MOVE INTO POLK AND HARALSON COUNTIES BY 445 PM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVYa 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, Apr 10, 3:40 PM EDT, 43 minutes before
GAZ001-003-005-102100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
340 PM EDT MON APR 10 1990

...THUNDERSTORMS EXPECTED ACROSS PARTS OF WEST GEORGIA...

A COLD FRONT MOVING ACROSS THE LOWER MISSISSIPPI VALLEY THIS
AFTERNOON WILL BE APPROACHING GEORGIA TONIGHT.  STRONG THUNDERSTORMS
HAVE ALREADY DEVELOPED ACROSS PARTS OF ALABAMA...AND A SEVERE
THUNDERSTORM WATCH HAS BEEN ISSUED FOR A LARGE SECTION OF ALABAMA.
THERE HAVE BEEN REPORTS OF HIGH WINDS WITH TREES BLOWN DOWN NEAR
BIRMINGHAM ABOUT 315 PM EDT.

THESE STORMS ARE MOVING TO THE EAST AT ABOUT 40 MPH AND SHOULD
MOVE INTO NORTHWEST AND WEST-CENTRAL GEORGIA THIS AFTERNOON
AND EVENING.

PEOPLE IN THE AREA SHOULD REMAIN" ALERT FOR LATER UPDATES ON THESE
APPROACHING STORMS.
Special weather statement, Apr 10, 4:11 PM EDT, 12 minutes before
GAZ001-003-005-102100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
410 PM EDT MON APR 10 1990

...SEVERE THUNDERSTORMS MOVING TOWARD WEST GEORGIA...

SEVERE THUNDERSTORMS...WITH LOCALLY GUSTY WINDS...HAVE DEVELOPED THIS
AFTERNOON AHEAD OF A COLD FRONT MOVING ACROSS THE LOWER MISSISSIPPI
RIVER VALLEY TOWARD GEORGIA. A SEVERE THUNDERSTORM WATCH IS IN EFFECT
FOR A LARGE SECTION OF ALABAMA. THE AREA OF THUNDERSTORMS EXTENDS FROM
NORTH OF CHATTANOOGA, TN ACROSS NORTHWEST GEORGIA INTO EASTERN ALABAMA
AND THEN SOUTH INTO MISSISSIPPI. THE STRONGEST OF THESE THUNDERSTORMS
ARE LOCATED JUST NORH OF ANNISTON, AL AT 405 PM EDT.

ALTHOUGH THE AREA OF STORMS IS ABOUT 35 MPH...INDIVIDUALC STORMS ARE
MOVING ABOUT 45 MPH.

THESE STORMS WILL MOVE INTO GEORGIA WITHIN THE HOUR. RESIDENTS OF
WEST GEORGIA SHOULD BE ALERT TO SWIFTLY CHANGING WEATHER CONDITIONS.
Special weather statement, Apr 10, 4:12 PM EDT, 11 minutes before
GAZ005-ALZ012-102215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
409 PM EDT TUE APR 10 1990

...A TORNADO WARNING HAS BEEN ISSUED FOR BARBOUR COUNTY
ALABAMA UNTIL 5 PM EDT

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF EAST
CENTRAL ALABAMA WHICH INCLUDES LEE AND CHAMBERS COUNTIES UNTIL 8PM
EDT...

AT 405 PM EDT COLUMBUS WEATHER RADAR INDICATED AN AREA OF RAIN AND
THUNDERSTORMS OCCURRING FROM SEALE ALABAMA AND SCATTERED THROUGH TROY
TO LUVERNE ALABAMA. VERY STRONG THUNDERSTORMS WERE 5 MILES WEST
SOUTHWEST OF HURTSBORO AND 8 MILES WEST OF CLAYTON. THE STORM WEST
OF CLAYTON WAS THE SEVERE THUNDERSTORM WHICH THE POSSIBLE TORNADO
WAS REPORTED FROM MOVING EAST AT 35 MILES AN HOUR.

PERSONS ACROSS EAST CENTRAL ALABAMA AND WEST CENTRAL GEORGIA SHOULD
REMAIN ALERT FOR RAPIDLY CHANGING WEATHER AND BE READY FOR QUICK
PROTECTIVE ACTION WHEN THESE STORMS MOVE NEAR YOU. VERY HEAVY RAIN..
DANGEROUS LIDGHTNING AND STRONG GUSTY WINDS CAN BE EXPECTED. LISTEN
TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 10, 4:16 PM EDT, 7 minutes before
GAZ001-003-005-102100-

SPECIAL WEATHER STATEMENT..CORRCTION
NATIONAL WEATHER SERVICE ATLANTA GA
410 PM EDT MON APR 10 1990

...SEVERE THUNDERSTORMS MOVING TOWARD WEST GEORGIA...

SEVERE THUNDERSTORMS...WITH LOCALLY GUSTY WINDS...HAVE DEVELOPED THIS
AFTERNOON AHEAD OF A COLD FRONT MOVING ACROSS THE LOWER MISSISSIPPI
RIVER VALLEY TOWARD GEORGIA. A SEVERE THUNDERSTORM WATCH IS IN EFFECT
FOR A LARGE SECTION OF ALABAMA. THE AREA OF THUNDERSTORMS EXTENDS FROM
NORTH OF CHATTANOOGA, TN ACROSS NORTHWEST GEORGIA INTO EASTERN ALABAMA
AND THEN SOUTH INTO MISSISSIPPI. THE STRONGEST OF THESE THUNDERSTORMS
WERE LOCATED JUST NORTH OF ANNISTON, AL AT 405 PM EDT.

ALTHOUGH THE AREA OF STORMS IS MOVING ALBOUT 35 MPH...INDIVIDUAL STORMS
WERE MOVING ABOUT 45 MPH.

THESE STORMS WILL MOVE INTO GEORGIA WITHIN THE HOUR. RESIDENTS OF
WEST GEORGIA SHOULD BE ALERT TO SWIFTLY CHANGING WEATHER CONDITIONS.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 4:34 PM EDTSevere Thunderstorm WarningFFCGordon41 min
Apr 10, 4:48 PM EDTSevere Thunderstorm WarningFFCBartow, Floyd42 min
Apr 10, 4:48 PM EDTSevere Thunderstorm WarningFFCPaulding42 min
Apr 10, 4:51 PM EDTSevere Thunderstorm WarningFFCCarroll, Haralson54 min
Apr 10, 5:13 PM EDTSevere Thunderstorm WarningFFCGilmer47 min
Apr 10, 5:24 PM EDTSevere Thunderstorm WarningFFCCobb, Douglas, Paulding66 min
Apr 10, 5:47 PM EDTSevere Thunderstorm WarningFFCFulton58 min
Apr 10, 6:05 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb55 min
Apr 10, 6:30 PM EDTTornado WarningFFCDeKalb30 min
Apr 10, 6:33 PM EDTSevere Thunderstorm WarningFFCGwinnett, Henry, Rockdale57 min
Apr 10, 6:41 PM EDTSevere Thunderstorm WarningFFCMeriwether49 min
Apr 10, 6:55 PM EDTSevere Thunderstorm WarningFFCHenry35 min
Apr 10, 7:06 PM EDTSevere Thunderstorm WarningFFCBarrow, Clarke, Oconee, Oglethorpe69 min
Apr 10, 7:06 PM EDTSevere Thunderstorm WarningFFCGreene, Morgan, Newton, Walton69 min
Apr 10, 7:17 PM EDTSevere Thunderstorm WarningFFCHouston58 min
Apr 10, 7:26 PM EDTTornado WarningFFCHouston64 min
Apr 10, 7:38 PM EDTSevere Thunderstorm WarningFFCCrawford, Monroe67 min
Apr 10, 7:38 PM EDTSevere Thunderstorm WarningFFCJasper, Putnam67 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.