Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 332, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 30, 1990, 1:34 AM EDT for Emanuel County, Johnson County, Georgia. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Aug 30, 1990, 1:34 AM EDT (05:34 UTC)
- Expired
- Aug 30, 1990, 2:15 AM EDT
- In force
- 41 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Emanuel County, GA, Johnson County, GA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 00:00Z, 5.6 hours before the alert went out and 164 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
- 2334 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1767 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAGS 300533 SVRAGS GAC107-167-300615- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUGUSTA GA 134 AM EDT THU AUG 30 1990 THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL GEORGIA ...NORTHWESTERN EMANUEL COUNTY...NORTHEASTERN JOHNSON COUNTY AT 130 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN EXTREME NORTHEASTERN JOHNSON COUNTY ABOUT 15 MILES NORTHWEST OF THE CITY OF SWAINSBORO. MOVEMENT WAS TO THE SOUTHEAST AT 30 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCkTIVE 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
Special weather statement, Aug 30, 12:32 AM EDT, 1 hour 2 minutes before
GAZ002-004-300430- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 1230 AM EDT THU AUG 30 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 300 AM EDT THURSDAY MORNING FOR THAT PORTION OF NORTHEAST GEORGIA TO THE SOUTH OF INTERSTATE 85. THUNDERSTORMS WERE SCATTERED IN GEORGIA BETWEEN GRIFFIN AND ATHENS AND SOUTHEAST TO THE AREA BETWEEN DUBLIN AND AUGUSTA. THE STRONGEST STORMS WERE BETWEEN CONYERS AND JACKSON (LAKE ALSO NEAR MILLEDGEVILLE. MOVEMENT SOUTHEAST AT 30 MILES AN HOUR.
Special weather statement, Aug 30, 1:00 AM EDT, 34 minutes before
GAZ005-006-300600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 1258 AM EDT THU AUG 30 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 707 REMAINS IN EFFECT FOR THE PARTS OF WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA UNTIL 3 AM EDT. AT 1255 AM EDT COLUMBUS WEATHER RADAR INDICATED SCATTERED THUNDERSHOWERS FROM NEAR MONTEZUMA GEORGIA SOUTHEAST TO BUTLER. MOVEMENT WAS SOUTHEAST AT 25 MPH. THE THUNDERSHOWERS OVER WEST CENTRAL GEORGIA HAVE DECREASED IN INTENSITY. HOWEVER...SOME HEAVY RAINFALL ALONG WITH DANGEROUS LIGHTNING AND GUSTY WINDS CAN STILL BE EXPECTED IN A FEW LOCATIONS. PLEASE CONTINUE TO LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS OR POSSI;BLE WARNINGS.
Special weather statement, Aug 30, 1:06 AM EDT, 28 minutes before
GAZ001-002-003-005-300630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 105 AM EDT THU AUG 30 1990 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR MUCH OF NORTH AND CENTRAL GEORGIA TIL 3 AM EDT... AT 100 AM THUNDERSTORMS IN NORTHWEST GEORGIA HAD GENERALLY DECREASED IN INTENSITY...HOWEVER A FEW STRONG STORMS CONTINUED. RADAR SHOWED A BAND OF STORMS BETWEEN ROME AND CEDARTOWN MOVING SOUTHEAST AT 30 MPH. FREQUENT CLOUD TO GROUND LIGHTNING AND STRONG GUSTY WINDS WERE OCCURRING WITH SOME OF THE THUNDERSTORMS ALONG WITH LOCALLY HEAVY RAINFALL. PEOPLE IN NORTHWEST GEORGIA ARE URGED TO STAY ALERT FOR RAPID WEATHER CHANGES...AND BE PREPARED TO TAKE QUICK ACTION IF THREATENING WEABTHER APPROACHES.
Special weather statement, Aug 30, 1:07 AM EDT, 27 minutes before
GAZ005-006-300600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 1258 AM EDT THU AUG 30 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 707 REMAINS IN EFFECT FOR PARTS OF WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA UNTIL 3 AM EDT. AT 1255 AM EDT COLUMBUS WEATHER RADAR INDICATED SCATTERED THUNDERSHOWERS FROM NEAR MONTEZUMA GEORGIA SOUTHEAST TO BUTLER. MOVEMENT WAS SOUTHEAST AT 25 MPH. THE THUNDERSHOWERS OVER WEST CENTRAL GEORGIA HAVE DECREASED IN INTENSITY. HOWEVER...SOME HEAVY RAINFALL...ALONG WITH DANGEROUS LIGHTNING AND GUSTY WINDS CAN STILL BE EXPECTED IN A FEW LOCATIONS. PLEASE CONTINUE TO LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS OR POSSIBLDE WARNINGS.
Special weather statement, Aug 30, 1:18 AM EDT, 16 minutes before
GAZ006-008-009-300700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 117 AM EDT THU AUG 30 1990 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR PARTS OF NORTH AND CENTRAL GEORGIA UNTIL 3 AM EDT THIS MORNING... AT 115 AM MACON RADAR SHOWED SCATTERED THUNDERSTORMS WITHIN A LARGE AREA OF RAIN THAT STRETCHED FROM MACON NORTH TO NEAR ATLANTA AND ATHENS. FEW OTHER THUNDERSHOWERS WERE 25 MILES SOUTH OF MACON FROM MONTEZUMA TO EASTMAN. MOVEMENT WAS SOUTHEAST AT 30 MPH. THE STRONGEST THUNDERSTORMS WERE NORTH OF MACON BETWEEN FORSYTH AND MONTICELLO...NEAR GORDON IN WILKINSON COUNTY AND 10 MILES NORTH OF DUBLIN. THEY WERE PRODUCING STRONG GUSTY WINDS...HEAVY RAIN...AND FREQUENT LIGHOTNING STRIKES.
Special weather statement, Aug 30, 1:34 AM EDT, 0 minutes before
GAZ002-004-300430- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 130 AM EDT THU AUG 30 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 300 AM EDT THURSDAY MORNING FOR THAT PORTION OF NORTHEAST GEORGIA TO THE SOUTH OF INTERSTATE 85. THUNDERSTORMS WERE SCATTERED IN NORTH GEORGIA AT THE FOLLOWING LOCATIONS...NEAR ROME AND BETWEEN ROME AND CEDARTOWN...NEAR COVINGTON AND BETWEEN COVINGTON AND GRIFFIN...TO THE SOnUTH OF SANDERSVILLE AND LOUISVILLE. THE STRONGEST STORM WAS JUST SOUTH OF LOUSIVILLE. THESE STORMS WERE EMBEDDED WITHIN A LARGER AREA OF RAIN. MOVEMENT SOUTHEAST AT 30 MILES AN HOUR.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 8:57 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Rockdale | 48 min |
| Aug 29, 9:48 PM EDT | Severe Thunderstorm Warning | FFC | Newton | 42 min |
| Aug 29, 10:18 PM EDT | Severe Thunderstorm Warning | FFC | Putnam | 42 min |
| Aug 30, 1:42 PM EDT | Severe Thunderstorm Warning | FFC | Morgan | 48 min |
| Aug 30, 1:51 PM EDT | Severe Thunderstorm Warning | FFC | Crisp | 69 min |
| Aug 30, 2:12 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin | 63 min |
| Aug 30, 4:58 PM EDT | Severe Thunderstorm Warning | FFC | Hall, Jackson | 62 min |
| Aug 30, 6:50 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Heard | 55 min |
| Aug 30, 7:46 PM EDT | Severe Thunderstorm Warning | FFC | Heard | 29 min |
| Aug 30, 7:49 PM EDT | Severe Thunderstorm Warning | FFC | Crawford | 41 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; the sounding from the Mesonet's radiosonde archive.