Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 117, NWS Atlanta, GA

April 28, 1990Morgan County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 28, 1990, 3:29 PM EDT for Morgan County, Georgia. It was in force for 61 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 28, 1990, 3:29 PM EDT (19:29 UTC)
Expired: Apr 28, 1990, 4:30 PM EDT
In force: 61 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Morgan 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
Apr 28, 4:00 PM EDT	Hail 0.88	Morgan, GA
Apr 28, 4:00 PM EDT	Hail 1.75	Morgan, 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, 7.5 hours before the alert went out and 44 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: 5 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 653 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 133 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 KAHN 281929
SVRAHN
GAC011-137-195-211-221-282030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
329 PM EDT SAT APR 28 1990
 
THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST GEORGIA
 
   ...BANKS COUNTY...HABERSHAM COUNTY...MADISON COUNTY...MORGAN COUNTY
   ...OGLETHORPE COUNTY
 
LINE OF THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS MOVING
TOWARD THESE COUNTIES.
 
 
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

Local storm report, Apr 28, 3:05 PM EDT, 24 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA, GA
304 PM EDT SAT APR 28 1990

COUNTY......  FAYETTE COUNTY
SOURCE......  FAYETTE EMA
TIME........  254 PM EDT
LOCATION....  CALLOWAY ROAD
TYPE STORM.s.  SEVERE THUNDERSTORM
DAMAGE/TREES.. TREES SNAPPED OFF
HAIL........  NONE
INJURIES....  NONE
DEATHS......  NONE
COSTS.......  UNKNOWN

Local storm report, Apr 28, 3:18 PM EDT, 11 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
3PM SAT APR 28, 1990

COUNTY........ LUMPKIN

SOURCE........ HAM RADIO

TIME.......... 3 PM EDT

LOCATION...... LUMPLIN COUNTY

TYPE STORM.... SEVERE THUNDERSTORM

HAIL.......... NICKLE HAIL

DAMAGE........

INJURIES...... NONE KNOWN

Local storm report, Apr 28, 3:20 PM EDT, 9 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
3PM SAT APR 28, 1990

COUNTY........ OCONEE

SOURCE........ PUBLIC

TIME.......... 319 PM  EDT

LOCATION...... OCONEE  COUNTY

TYPE STORM.... SEVERE THUNDERSTORM

HAIL.......... NICKLE HAIL

DAMAGE........

INJURIES...... NONE KNOWN

Local storm report, Apr 28, 3:21 PM EDT, 8 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
3PM SAT APR 28, 1990

COUNTY........ WALTON

SOURCE........ PUBLIC

TIME.......... 316 PM  EDT

LOCATION...... WALTON  COUNTY

TYPE STORM.... SEVERE THUNDERSTORM

HAIL.......... NICKLE HAIL

DAMAGE........

INJURIES...... NONE KNOWN

Local storm report, Apr 28, 3:23 PM EDT, 6 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
3PM SAT APR 28, 1990

COUNTY........ CLARKE

SOURCE........ SHF

TIME.......... 322 PM  EDT

LOCATION......  CLARKE COUNTY....BOGART GA

TYPE STORM.... SEVERE THUNDERSTORM

HAIL.......... MARBLE HAIL

DAMAGE........

INJURIES...... NONE KNOWN

Local storm report, Apr 28, 3:24 PM EDT, 5 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
3PM SAT APR 28, 1990

COUNTY........ BARROW

SOURCE........ HAM RADIO

TIME.......... 323 PM  EDT

LOCATION......  BARROW COUNTY....STATAM GA

TYPE STORM.... SEVERE THUNDERSTORM

HAIL.......... MARBLE HAIL

DAMAGE........

INJURIES...... NONE KNOWN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 1:04 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	41 min
Apr 28, 1:32 PM EDT	Severe Thunderstorm Warning	FFC	Douglas, Paulding	43 min
Apr 28, 1:35 PM EDT	Severe Thunderstorm Warning	FFC	Gordon, Murray	40 min
Apr 28, 1:43 PM EDT	Severe Thunderstorm Warning	FFC	Fulton	47 min
Apr 28, 1:50 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer	40 min
Apr 28, 1:52 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee	53 min
Apr 28, 2:07 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fayette	53 min
Apr 28, 2:09 PM EDT	Severe Thunderstorm Warning	FFC	Coweta	51 min
Apr 28, 2:13 PM EDT	Severe Thunderstorm Warning	FFC	Troup	47 min
Apr 28, 2:32 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fulton	43 min
Apr 28, 2:36 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether	54 min
Apr 28, 2:38 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Lumpkin	67 min
Apr 28, 2:38 PM EDT	Severe Thunderstorm Warning	FFC	Union	67 min
Apr 28, 2:47 PM EDT	Severe Thunderstorm Warning	FFC	Forsyth, Fulton	43 min
Apr 28, 2:53 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Gwinnett	52 min
Apr 28, 3:01 PM EDT	Severe Thunderstorm Warning	FFC	Towns, White	59 min
Apr 28, 3:01 PM EDT	Severe Thunderstorm Warning	FFC	Hall	59 min
Apr 28, 3:08 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Henry, Spalding	52 min
Apr 28, 3:08 PM EDT	Severe Thunderstorm Warning	FFC	Fayette	52 min
Apr 28, 3:12 PM EDT	Severe Thunderstorm Warning	FFC	Barrow, Clarke, Jackson, Oconee, Walton	63 min
Apr 28, 3:24 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Peach	66 min
Apr 28, 3:29 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Madison, Oglethorpe	61 min
Apr 28, 3:29 PM EDT	Severe Thunderstorm Warning	FFC	Habersham	61 min
Apr 28, 3:36 PM EDT	Severe Thunderstorm Warning	FFC	Pike	54 min
Apr 28, 4:00 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Upson	45 min
Apr 28, 4:00 PM EDT	Tornado Warning	FFC	Madison	60 min
Apr 28, 4:04 PM EDT	Severe Thunderstorm Warning	FFC	Twiggs	41 min
Apr 28, 4:11 PM EDT	Severe Thunderstorm Warning	FFC	Franklin, Stephens	2 hr
Apr 28, 4:11 PM EDT	Severe Thunderstorm Warning	FFC	Elbert, Hart	2 hr
Apr 28, 4:19 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	41 min
Apr 28, 4:30 PM EDT	Severe Thunderstorm Warning	FFC	Wilkinson	45 min
Apr 28, 4:43 PM EDT	Severe Thunderstorm Warning	FFC	Clarke, Oconee, Oglethorpe	62 min
Apr 28, 5:00 PM EDT	Severe Thunderstorm Warning	FFC	Washington	60 min
Apr 28, 5:16 PM EDT	Severe Thunderstorm Warning	FFC	Houston	44 min
Apr 28, 5:38 PM EDT	Severe Thunderstorm Warning	FFC	Twiggs, Wilkinson	67 min
Apr 28, 5:39 PM EDT	Tornado Warning	FFC	Washington	36 min
Apr 28, 5:49 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley	41 min
Apr 28, 6:00 PM EDT	Severe Thunderstorm Warning	FFC	Pulaski	60 min
Apr 28, 6:30 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	45 min
Apr 28, 7:05 PM EDT	Severe Thunderstorm Warning	FFC	Burke, Jefferson	55 min
Apr 28, 7:13 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	62 min
Apr 28, 7:41 PM EDT	Severe Thunderstorm Warning	FFC	Treutlen	64 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.