Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 316, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 22, 1990, 8:11 PM EDT for Barrow County, Walton County, Georgia. It was in force for 64 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
- Aug 22, 1990, 8:11 PM EDT (00:11 UTC)
- Expired
- Aug 22, 1990, 9:15 PM EDT
- In force
- 64 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Barrow County, GA, Walton 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, 8:30 PM EDT | Thunderstorm Wind 0 | Barrow, GA | |
| Aug 22, 8:45 PM EDT | Thunderstorm Wind 0 | Walton, 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 00:00Z, 0.2 hours before the alert went out and 40 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
- 2441 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 6.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAHN 230012 SVRAHN GAC013-297-230115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATHENS GA 811 PM EDT WED AUG 22 1990 THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST GEORGIA ...BARROW COUNTY...WALTON COUNTY AT 805 PM EDT THE ATHENS RADAR INDICATED A SEVERE THUNDERTORM JUST SOUTHWEST OF WINDER GEORGIA IN SOUTH BARROW AND NORTHWEST WALTON COUNTIES OF NORTHEAST GEORGIA. THIS STORM WAS MOVING SOUTHEAST AT 15 MILES AN HOUR. PERSONS IN THE CITIES OF WINDER...MONROE...AND SOCIAL CIRCLE SHOULD BE ALERT TO THIS APPROACHING THUNDERSTORM FOR THE NEXT HOUR OR SO. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, 3:10 PM EDT, 5 hours 1 minute 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, 4 hours 2 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, 3 hours 15 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.
Special weather statement, Aug 22, 6:35 PM EDT, 1 hour 36 minutes before
KAHN 222330 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 630 PM EDT WED AUG 22 199 THUNDERSTORMS MOVING THORUGH FORSYTH COUNTY APPROACHING THE SOUTHWEST END OF LAKE SIDNEY LAINER. STORMS MOVING SE AT 15 MPH. SEVERE CLOUD TO GROUND LIGTNING ,GUSTY WINDS, AND BRIEF DOWNPOURS CAN BE EXPECTED WITH THE STORMS. IN GENERAL THUNDERSTORMS SCATTERED OVER NORTHWEST GEORGIA AND ACROSS PORTIONS OF NORTHEAST GEORGIA NORTHEAeSTWARD INTO NORTH CAROLINA MOVING SOUTHEAST AT 15 MILES AN HOUR.
Special weather statement, Aug 22, 7:57 PM EDT, 14 minutes before
GAZ001>003-230200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 758 PM EDT WED AUG 22 1990 AT 755 PM EDT ISOLATED THUNDERSTORMS CONTINUED ACROSS NORTHWEST GEORGIA. RADAR SHOWED MOST OF THE STORMS WERE OCCURRING NORTH AND NORTHEAST OF ATLANTA FROM NEAR CANTON IN CHEROKEE COUNTY SOUTHEAST TO STOCKBRIDGE...LITHONIA...AND LAWRENCEVILLE. THUNDERSTORMS WERE MOVING SOUTHEAST AT ABOUT 15 MPH. MANY OF THE STORMS ARE PRODUCING FREQUENT DANGEROUS LIGHTNING AND LOCALLY HEAVY RAIN. SOME MAY PRODUCE STRONG GUSTY WINDS. 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 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 |
| Aug 23, 7:57 PM EDT | Severe Thunderstorm Warning | FFC | Houston | 63 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.