Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 318, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 23, 1990, 7:57 PM EDT for Houston County, Georgia. It was in force for 63 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
- Aug 23, 1990, 7:57 PM EDT (23:57 UTC)
- Expired
- Aug 23, 1990, 9:00 PM EDT
- In force
- 63 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Houston 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 |
|---|---|---|---|
| Aug 23, 8:40 PM EDT | Thunderstorm Wind 0 | Houston, 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, 12.0 hours before the alert went out and 169 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.
- Mixed-layer CAPE
- 362 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Aug 23, 2:50 PM EDT, 5 hours 7 minutes before
GAZ006-008-009-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 250 PM EDT THU AUG 23 1990 ......THUNDERSTORMS DEVELOPING ACROSS CENTRAL GEORGIA..... AT 245 PM EDT WEATHER SERVICE RADAR SHOWED THUNDERSTORMS DEVELOPING ACROSS BIBB..CRAWFORD..JONES..MONROE..AND BALDWIN COUNTIES AND MOVING SLOWLY EAST. THE THUNDERSTORMS INTENSIFIED RAPIDLY AND ARE PRODUCING VERY HEAVY RAIN ALONG WITH WIND GUSTS NEAR 40 MILES AN HOUR AND FREQUENT CLOUD TO GROUND LIGHTNING. STAY ALERT TO THESE STORMS BY LISTENING TO RADIO FOR UPDATES ON THEIR PROGRESS.
Local storm report, Aug 23, 2:55 PM EDT, 5 hours 2 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA, GA
300 PM THU AUG 23 1990
...DELAYED REPORT...
COUNTY...... FORSYTH COUNTY
LOCATION.... NEAR CUMMING GA.
SOURCE...... FORSYTH SHERIFFS OFFICE
TIME........ APPRX 615 PM EDT 8/22/90
TYPE STORM.. THUNDERSTORM
DAMAGE...... A FEW TREE LIMBS DOWN FROM STRONG WINDS
HAIL........ DIME SIZE HAIL
INJURIES.... NONE REPORTED.
COSTS....... UNKNOWNSpecial weather statement, Aug 23, 3:24 PM EDT, 4 hours 33 minutes before
GAZ008-011-012-232100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 322 PM EDT THU AUG 23 1990 ...THUNDERSTORMS INCREASING OVER SOUTHWEST GEORGIA... AT 320 PM EDT COLUMBUS WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS FORMING OVER SOUTHWEST GEORGIA...MAINLY AROUND MOULTRIE...ADEL...CAIRO AND EDISON. MOVEMENT WAS EAST AT 15 MPH. THE THUNDERSTORMS ARE EXPECTED TO CONTINUE OVER MUCH OF SOUTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS. RESIDENTS THROUGHOUT SOUTHWEST GEORGIA SHOULD BE ON THE ALERT FOR THREATENING WEATHER. IN ADDITION TO VERY HEAVY RAINFALL...THE STORMS MAY CONTAIN STRONG GUSTY WINDS... DANGEROUS LIGHTNING AND POSSIBLE SMALL HAIL.
Special weather statement, Aug 23, 7:39 PM EDT, 18 minutes before
GAZ002-004-240030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 735 PM EDT THU AUG 23 1990 A THUNDERSTORM WITH VERY HEAVY RAINFALL HAS DEVELOPED OVER NORTHEAST GEORGIA JUST NORTH OF COMMERCE GEORGIA. THIS STORM WAS DRIFTING EAST AT 5 TO 10 MILES AN HOUR. PEOPLE IN BANKS...JACKSON...FRANKLIN AND MADISON COUNTIES OF NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR BRIEF HEAVY RAIN...STRONG GUSTY WIND... FREQUENT CLOUD TO GROUND LIGHTNING...SMALL HAIL AND POSSIBLE FLOODING OF LOW LYING AREAS AND ROADWAYS FOR THE NEXT HOUR. OTHERWISE...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER SOUTH GEORGIA AND THE WESTERN CAROLINAS. MOVEMENT EAST 10 MILES AN HOUR.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 8:11 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Walton | 64 min |
| Aug 23, 12:07 AM EDT | Flash Flood Warning | FFC | Gwinnett | 2 hr |
| Aug 23, 4:24 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 66 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.