Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 39, NWS Atlanta, GA

February 10, 1990Columbia County, McDuffie County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 10, 1990, 7:55 AM EST for Columbia County, McDuffie County, Georgia. It was in force for 65 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: Feb 10, 1990, 7:55 AM EST (12:55 UTC)
Expired: Feb 10, 1990, 9:00 AM EST
In force: 65 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Columbia County, GA, McDuffie 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

Time	Report	Where	Remark
Feb 10, 8:20 AM EST	Thunderstorm Wind 0	Columbia, 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, 0.9 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 524 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 667 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAGS 101256
SVRAGS
GAC033-073-163-189-245-101400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
755 AM EST SAT FEB 10 1990
 
THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL GEORGIA
          ...WESTERN BURKE...COLUMBIA...JEFFERSON
          ...SOUTHEASTERN MCDUFFIE...RICHMOND
 
AT 745 AM A LINE OF SEVERE THUNDERSTORMS WAS DETECED BY WEATHER RADAR
MOVING THROGH WESTERN SECTIONS OF THE CENTRAL SAVANNAH RIVER AREA.
 
 
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.
 
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

Local storm report, Feb 10, 6:35 AM EST, 1 hour 20 minutes before

LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE ATLANTA GA
635 AM EST SAT FEB 10 1990

512 AM EST...   HARALSON COUNTY... TALLAPOOSA POLICE REPORT WIND
                GUSTS OF 55 TO 60 MPH.

610 AM EST...   SPALDING COUNTY... SPALDING SHERIFF REPORTS
                NUMEROUS TREES DOWN BLOCKING ROADS IN EASTERN
                SPALDING COUNTY FROM HIGH WINDS OR POSSIBLE
                TORNADO.

600 AM EST...   CLAYTON COUNTY... NUMEROUS TREES DOWN.[.. MANY HOMES
                HAVE TREES BLOWN DOWN ON TOP OF THEM.

610 AM EST...   DEKALB COUNTY... NUMEROUS TREES DOWN... OUTBUILDINGS
                BLOWN OVER.

Local storm report, Feb 10, 6:38 AM EST, 1 hour 17 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
635AM SAT FEB 10 1990

COUNTY........ HALL,BARROW,WALTON,AND NEWTON

SOURCE........ SHF OFFICE

TIME.......... 0633E

LOCATION...... COUNTIES ABOVE

TYPE STORM.... SEVERE THUNDERSTORM ....WINDS 60 MPH PLUS...

HAIL..........

DAMAGE........ TREES DOWN WITH ROOF DAMAGE
                                                         _
INJURIES...... NO KNOW AT THIS TIME

Local storm report, Feb 10, 7:05 AM EST, 50 minutes before

LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE ATLANTA GA
700 AM EST SAT FEB 10 1990

....DELAYED REPORTS...
559 AM EST...   DEKALB COUNTY GA.  CHANNEL 46 T.V. REPORTED WIND GUSTS
                TO 81 MPH AT 559 AM EST.

615 AM EST...   CLAYTON COUNTY GA.  NUMEROUS TREES AND POWER LINES
                DOWN THROUGHOUT THE COUNTY.  SOUTHWEST COUNTY
                ESPECIALLY HARD HIT. REPORT FROM COUNTY EMA.

610 AM EST...   DEKALB COUNTY.  SCOTT BLVD AND MARKET SQUARE...TREES
                DOWN ACROSS ROAD.  ARES HAM SPOTTER REPORT #647.

Local storm report, Feb 10, 7:22 AM EST, 33 minutes before

LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE ATLANTA GA
720 AM EST SAT FEB 10 1990

....DELAYED REPORT...

615 AM EST...   CITY OF ATLANTA. NEAR STEWART AND ELBERT AVE.  10 YEAR
                OLD BOY KILLED WHEN A TREE FELL ON A HOUSE. REPORT
                FROM ATLANTA-FULTON COUNTY EMA.

Local storm report, Feb 10, 7:45 AM EST, 10 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
740AM SAT FEB 10 1990

AS THE LINE OF SEVERE THUNDERSTORMS MOVED THROUGH NORTHEAST
GEORGIA THIS MORNING WINDS IN EXCESS OF 60 MPH WERE COMMON
AND DAMAGE REPORTS KEEP FILTERING IN.

DUE TO THE LARGE NUMBER OF COUNTIES WITH DAMAGE AND
THE PANIC CALLS FROM THE PUBLIC MOST REPORTS WILL
BE HELD UNTIL IT IS KNOWN THAT THEY ARE TRUE.

Local storm report, Feb 10, 7:55 AM EST, 0 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
750AM EST FEB 10, 1990

COUNTY........ MADISON

SOURCE........ WX PERSON

TIME.......... 0700

LOCATION...... 8 SOUTH OF ILA GEORGIA ON HWY 106

TYPE STORM.... SEVERE THUNDERSTORM

HAIL..........

DAMAGE........ TREES DOWN ACROSS HWY 106

INJURIES...... NONE KNOWN

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 9, 8:17 PM EST	Flash Flood Warning	FFC	DeKalb, Fulton	118 min
Feb 10, 3:07 AM EST	Severe Thunderstorm Warning	FFC	Murray	53 min
Feb 10, 3:25 AM EST	Severe Thunderstorm Warning	FFC	Gilmer	50 min
Feb 10, 4:55 AM EST	Severe Thunderstorm Warning	FFC	Haralson, Polk	65 min
Feb 10, 4:55 AM EST	Severe Thunderstorm Warning	FFC	Heard, Troup	65 min
Feb 10, 4:55 AM EST	Severe Thunderstorm Warning	FFC	Carroll	65 min
Feb 10, 5:18 AM EST	Severe Thunderstorm Warning	FFC	Coweta, Fulton	57 min
Feb 10, 5:18 AM EST	Severe Thunderstorm Warning	FFC	Douglas, Paulding	57 min
Feb 10, 5:38 AM EST	Severe Thunderstorm Warning	FFC	Clayton, Fayette, Fulton	67 min
Feb 10, 5:38 AM EST	Severe Thunderstorm Warning	FFC	Meriwether	67 min
Feb 10, 5:38 AM EST	Severe Thunderstorm Warning	FFC	Cobb	67 min
Feb 10, 5:55 AM EST	Severe Thunderstorm Warning	FFC	Forsyth, Gwinnett	65 min
Feb 10, 5:55 AM EST	Severe Thunderstorm Warning	FFC	DeKalb, Henry	65 min
Feb 10, 5:55 AM EST	Severe Thunderstorm Warning	FFC	Pike, Spalding	65 min
Feb 10, 5:55 AM EST	Severe Thunderstorm Warning	FFC	Upson	65 min
Feb 10, 6:06 AM EST	Severe Thunderstorm Warning	FFC	Hall	69 min
Feb 10, 6:14 AM EST	Severe Thunderstorm Warning	FFC	Butts, Lamar	46 min
Feb 10, 6:19 AM EST	Severe Thunderstorm Warning	FFC	Banks, Franklin, Madison, Stephens	116 min
Feb 10, 6:19 AM EST	Severe Thunderstorm Warning	FFC	Barrow, Clarke, Hall, Jackson, Oconee, Walton	116 min
Feb 10, 6:19 AM EST	Severe Thunderstorm Warning	FFC	Morgan, Newton	116 min
Feb 10, 6:20 AM EST	Severe Thunderstorm Warning	FFC	Jasper, Monroe	40 min
Feb 10, 6:20 AM EST	Severe Thunderstorm Warning	FFC	Crawford	40 min
Feb 10, 6:44 AM EST	Severe Thunderstorm Warning	FFC	Bibb, Peach	31 min
Feb 10, 6:44 AM EST	Severe Thunderstorm Warning	FFC	Jones, Putnam	31 min
Feb 10, 6:51 AM EST	Severe Thunderstorm Warning	FFC	Greene, Oglethorpe, Taliaferro	2 hr
Feb 10, 6:51 AM EST	Severe Thunderstorm Warning	FFC	Elbert, Hart	2 hr
Feb 10, 6:54 AM EST	Severe Thunderstorm Warning	FFC	Bleckley, Dooly, Houston, Pulaski	36 min
Feb 10, 6:54 AM EST	Severe Thunderstorm Warning	FFC	Baldwin, Twiggs, Wilkinson	36 min
Feb 10, 7:33 AM EST	Severe Thunderstorm Warning	FFC	Dodge, Laurens, Wilcox	42 min
Feb 10, 7:33 AM EST	Severe Thunderstorm Warning	FFC	Ben Hill, Turner	42 min
Feb 10, 7:52 AM EST	Severe Thunderstorm Warning	FFC	Irwin	53 min
Feb 10, 7:55 AM EST	Severe Thunderstorm Warning	FFC	Burke, Jefferson, Richmond	65 min
Feb 10, 8:10 AM EST	Severe Thunderstorm Warning	FFC	Telfair, Treutlen, Wheeler	50 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1990 Every 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.