Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 315, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 22, 1990, 6:02 PM EDT for Forsyth County, Georgia. It was in force for 28 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 22, 1990, 6:02 PM EDT (22:02 UTC)
- Expired
- Aug 22, 1990, 6:30 PM EDT
- In force
- 28 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Forsyth 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 22, 6:15 PM EDT | Thunderstorm Wind 0 | Forsyth, 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, 10.0 hours before the alert went out and 82 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
- 378 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 222203 SVRATL GAC117-222230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 602 PM EDT WED AUG 22 1990 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...FORSYTH COUNTY AT 600 PM EDT RADAR SHOWED A SEVERE THUNDERSTORM ON THE CHEROKEE COUNTY LINE NORTHWEST OF CUMMING. THIS STORM WAS MOVING SOUTHEAST AT 15 MPH...AND APPEARS TO BE DROPPING LARGE HAIL IN SOME AREAS. THIS STORM IS ALSO PRODUCING A LOT OF DANGEROUS LIGHTNING. HIGH WINDS ARE ALSO POSSIBLE. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVEB INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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 22, 12:35 PM EDT, 5 hours 27 minutes before
GAZ006-008-009-211900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 1235 PM EDT WED AUG 22 1990 AT 1230 PM RADAR SHOWED NUMEROUS SHOWERS AND SEVERAL THUNDERSTORMS MOVING THROUGH CENTRAL GEORGIA FROM COLUMBUS TO ROBERTA IN CRAWFORD COUNTY THROUGH THE BIBB TO TWIGGS TO WILKINSON COUNTIES AREA AND ON EAST TO AUGUSTA. ANOTHER LARGE AREA OF RAIN AND THUNDERSTORMS COVERED MUCH OF SOUTH CENTRAL AND SOUTHEAST GEORGIA FROM OGLETHORPE IN MACON COUNTY TO DUBLIN TO SYLVANIA AND SOUTH TO SAVANNAH TO ALMA AND BACK TO NEAR ALBANY. THE STORMS WITH THE HEAVIEST RAIN WERE 15 MILES WEST OF ROBERTA IN CRAWFORD COUNTY AND 10 MILES NORTH OF FITZGERALD IN BEN HILL COUNTY. NEARLY ALL THE STORMS WERE MOVING NORTHEAST AT 10 MILES AN HOUR AND WILL PRODUCE VERY HEAVY RAIN WITH POSSIBLE FLOODING OF LOW AREAS AND SOME STREET FLOODING.
Special weather statement, Aug 22, 1:06 PM EDT, 4 hours 56 minutes before
GAZ005-ALZ012 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 105 PM EDT WED AUG 22 1990 ...THUNDERSTORMS DEVELOPING IN WEST GEORGIA AND EAST ALABAMA... AT 100 PM EDT COLUMBUS WEATHER RADAR INDICATED AN AREA OF NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS EXTENDING FROM NEAR WARM SPRINGS GEORGIA SOUTHWEST TO PHENIX CITY...AUBURN AND TUSKEGEE ALABAMA. MOVEMENT WAS EAST ABOUT 12 MPH. RESIDENTS THROUGHOUT WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA... INCLUDING THE COLUMBUS METROPOLITAN AREA...SHOULD BE ON THE ALERT FOR THE NEXT FEW HOURS FOR THREATENING WEATHER. THE LARGER STORMS WILL LIKELY CONTAIN STRONG GUSTY WINDS...VERY HEAVY RAINFALL...DANGEROUS LIGHTNING AND POSSIBLE SMALL HAIL.
Special weather statement, Aug 22, 1:19 PM EDT, 4 hours 43 minutes before
GAZ005-ALZ012-221930- SPECIAL WEATHER STATEMENT...CORRECTION FOR HEADING ONLY. NATIONAL WEATHER SERVICE COLUMBUS GA 105 PM EDT WED AUG 22 1990 ...THUNDERSTORMS DEVELOPING IN WEST GEORGIA AND EAST ALABAMA... AT 100 PM EDT COLUMBUS WEATHER RADAR INDICATED AN AREA OF NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS EXTENDING FROM NEAR WARM SPRINGS GEORGIA SOUTHWEST TO PHENIX CITY...AUBURN AND TUSKEGEE ALABAMA. MOVEMENT WAS EAST ABOUT 12 MPH. RESIDENTS THROUGHOUT WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA... INCLUDING THE COLUMBUS METROPOLITAN AREA...SHOULD BE ON THE ALERT FOR THE NEXT FEW HOURS FOR THREATENING WEATHER. THE LARGER STORMS WILL LIKELY CONTAIN STRONG GUSTY WINDS...VERY HEAVY RAINFALL...DANGEROUS LIGHTNING AND POSSIBLE SMALL HAIL.
Special weather statement, Aug 22, 3:10 PM EDT, 2 hours 52 minutes before
GAZ008-011-222100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 310 PM EDT WED AUG 22 1990 ...THUNDERSTORMS INCREASING OVER SOUTHWEST GEORGIA... AT 305 PM EDT COLUMBUS WEATHER RADAR INDICATED LARGE THUNDERSTORMS NEAR CUTHBERT...SHELLMAN AND DAWSON GEORGIA...ALSO JUST SOUTHEAST OF FORT GAINES. MOVEMENT WAS EAST AT 15 MPH. THE THUNDERSTORMS ARE EXPECTED TO CONTINUE OVER MUCH OF SOUTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS...AND MAY EVENTUALLY MOVE INTO THE ALBANY AREA. RESIDENTS THROUGHOUT SOUTHWEST GEORGIA SHOULD BE ON THE ALERT FOR FOR THREATENING WEATHER. THE LARGER STORMS WILL LIKELY CONTAIN STRONG GUSTY WINDS...VERY HEAVY RAINFALL...DANGEROUS LIGHTNING AND POSSIBLxE SMALL HAIL.
Local storm report, Aug 22, 4:09 PM EDT, 1 hour 53 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 407 PM EDT WED AUG 22 1990 COUNTY........ OGLETHORPE SOURCE........ RAYLE ELECTRIC MEMBERSHIP CORPORATION (POWER COMPANY) TIME.......... APPROXIMATLY 1230 AM EDT WED AUG 22 1990 LOCATION...... COUNTYWIDE TYPE STORM.... THUNDERSTORM HAIL.......... UNK DAMAGE........ TREES INTO POWER LINES...POWER OUTAGES INJURIES...... NONE KNOWN
Special weather statement, Aug 22, 4:56 PM EDT, 1 hour 6 minutes before
GAZ003-222200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 500 PM EDT WED AUG 22 1990 ...THUNDERSTORMS DEVELOPING OVER NORTHWEST GEORGIA... AT 455 PM EDT RADAR SHOWED ISOLATED THUNDERSTORMS DEVELOPING OVER NORTHWEST GEORGIA. THE STRONGEST STORMS WERE LOCATED IN PICKENS COUNTY NEAR JASPER...AND IN COWETA COUNTY NORTHWEST OF NEWNAN. OTHER THUNDERSTORMS WILL MOST LIKELY DEVELOP ACROSS NORTHWEST GEORGIA DURING THE LATE AFTERNOON AND EVENING. THE STRONGEST STORMS ARE CAPABLE OF PRODUCING FREQUENT DANGEROUS LIGHTNING...STRONG GUSTY WINDS...HEAVY RAIN AND POSSIBLE HAIL. PEOPLE IN NORTHWEST GEORGIA SHOULD BE ALERT FOR CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:01 PM EDT | Severe Thunderstorm Warning | FFC | Franklin, Stephens | 59 min |
| Aug 21, 9:05 PM EDT | Severe Thunderstorm Warning | FFC | Hart | 55 min |
| Aug 22, 12:00 AM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 60 min |
| Aug 22, 12:33 AM EDT | Severe Thunderstorm Warning | FFC | Columbia | 42 min |
| Aug 22, 8:15 AM EDT | Severe Thunderstorm Warning | FFC | Baldwin | 60 min |
| Aug 22, 5:04 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee, Pickens | 56 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.