Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 330, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 29, 1990, 9:48 PM EDT for Newton County, Georgia. It was in force for 42 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 29, 1990, 9:48 PM EDT (01:48 UTC)
- Expired
- Aug 29, 1990, 10:30 PM EDT
- In force
- 42 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Newton 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 29, 10:15 PM EDT | Thunderstorm Wind 0 | Newton, 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, 1.8 hours before the alert went out and 67 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 KAHN 300149 SVRAHN GAC217-300230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATHENS GA 948 PM EDT WED AUG 29 1990 THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST GEORGIA ...NEWTON COUNTY AT 945 PM EDT ATHENS RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST OF COVINGTON MOVING TO THE SOUTHEAST AT 30 MILES AN HOUR. ONE INCH HAIL AND WIND GUST OF 60 MILES AN HOUR HAVE BEEN REPORTED FROM THIS THUNDERSTORM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEP?HONES 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
Local storm report, Aug 29, 7:03 PM EDT, 2 hours 45 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATLANTA, GA 700 PM WED AUG 29 1990 COUNTY...... FANNIN COUNTY LOCATION.... MC CAYSVILLE GA. SOURCE...... MC CAYSVILLE POLICE DEPT TIME........ APPRX 635| PM EDT TYPE STORM.. SEVERE THUNDERSTORM DAMAGE...... SEVERAL TREES BLOWN DOWN HAIL........ NONE REPORTED INJURIES.... NONE REPORTED. COSTS....... UNKNOWN
Special weather statement, Aug 29, 7:36 PM EDT, 2 hours 12 minutes before
GAZ002-004-300030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 730 PM EDT WED AUG 29 1990 THE SEVERE THUNDERSTORM WARNING FOR UNION AND LUMPKIN COUNTIES OF NORTHEAST GEORGIA HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL COUNTIES OF NORTHEAST GEORGIA UNTIL 1000 PM EDT. A BAND OF STRONG THUNDERSTORMS CONTINUES ACROSS NORTHEAST GEORGIA AND WESTERN SOUTH CAROLINA. THIS BAND EXTENDS FROM LAKE SIDNEY LANIER IN GEORGIA TO TOCCOA AND INTO SOUTH CAROLINA NEAR GREENVILLE. STORMS IN THIS BAND ARE CAPABLE OF PRODUCING HEAVY RAINFALL...STRONG GUSTY WINDS...FREQUENT LIGHTNING AND SOME HAIL. MOVEMENT WAS TO THE SOUTHEAST 35 MPH.
Special weather statement, Aug 29, 8:06 PM EDT, 1 hour 42 minutes before
GAZ001-002-003-300130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 805 PM EDT WED AUG 29 1990 ...THUNDERSTORMS CONTINUE ACROSS NORTHWEST GEORGIA... ...SEVERE THUNDERSTORM WATCH FOR NORTH GEORGIA CONTINUES TIL 10 PM... AT 800 PM EDT WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS SCATTERED ACROSS NORTHWEST GEORGIA NORTH OF A LINE FROM CEDARTOWN TO LAKE ALLATOONA TO CUMMING. ALTHOUGH WEAKER THESE ARE STILL CAPABLE OF PRODUCING STRONG WINDS AND HAIL. FREQUENT STROKES OF CLOUD TO GROUND LIGHTNING HAVE BEEN REPORTED WITH SOME OF THE STORMS. THUNDERSTORMS COULD INTENSIFY AS THEY ADVANCE SOUTH AT ABOUT 20 MPH. THUNDERSTORMS SHOULD ARRIVE IN SOME NORTHERN AND WESTERN SECTIONS OF THE ATLANTA METROPOLITAN AREA BETWEEN 830 AND 900 PM EDT. A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR NORTH GEORGIA NORTH OF A CARROLLTON TO ATLANTA TO AUGUSTA LINE TIL 10 PM EDT. PEOPLE IN NORTH GEORGIA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER WHEN STORMS APPROACH.
Special weather statement, Aug 29, 8:15 PM EDT, 1 hour 33 minutes before
GAZ008-300215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 813 PM EDT WED AUG 29 1990 AT 810 PM EDT COLUMBUS WEATHER RADAR WAS STILL SHOWING A VERY ACTIVE THUNDERSTORM IN SOUTHWEST GEORGIA JUST 7 MILES SOUTH OF COLEMAN IN CLAY COUNTY. THIS STORM WAS MOVING NORTHEAST AT 10 MILES AN HOUR AND WILL BE MOVING IN BETWEEN COLEMAN AND EDISON THIS HOUR. THIS IS STILL A STRONG THUNDERSTORM PRODUCING STRONG GUSTY WINDS.. DANGEROUS LIGHTNING..SMALL HAIL AND HEAVY RAIN. DUE TO THE HIGH TEMPERATURES THIS EVENING THIS STORM MAY PERSIST FOR A COUPLE MORE HOURS BEFORE DISSIPATING. PERSONS NEAR THIS STORM SHOULD BE PREPARED TO SEEK SHELTER. LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS.
Special weather statement, Aug 29, 8:32 PM EDT, 1 hour 16 minutes before
GAZ002-004-300130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 830 PM EDT WED AUG 29 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL COUNTIES OF NORTHEAST GEORGIA UNTIL 1000 PM EDT. STRONG THUNDERSTORMS CONTINUE OVER NORTH GEORGIA FROM NORTH OF ATLANTA TO THE SOUTHERN END OF LAKE SIDNEY LANIER. STRONG THUNDERSTORMS WERE ALSO INDICATED OVER WESTERN SOUTH CAROLINA BETWEEN ANDERSON AND GREENVILLE. ELSEWHERE...SHOWERS AND THUNDERSTORMS COVER THE NORTHERN THIRD OF GEORGIA AND EXTEND INTO THE ADJACENT AREAS OF NORTHEAST ALABAMA...EASTERN TENNESSEE AND THE WESTERN CAROLINAS. MOVEMENT WAS TO THE SOUTHEAST 30 MPH.
Special weather statement, Aug 29, 9:31 PM EDT, 17 minutes before
GAZ002-004-300230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 930 PM EDT WED AUG 29 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL COUNTIES OF NORTHEAST GEORGIA UNTIL 1000 PM EDT. STRONG THUNDERSTORMS CONTINUE OVER NORTH GEORGIA BETWEEN ATHENS AND ATLANTA...ALSO BETWEEN ATLANTA AND CEDARTOWN. THESE STORMS WERE MOVING SOUTHEAST 30 MPH ACCOMPANIED BY HEAVY RAIN...STRONG GUSTY WINDS...FREQUENT LIGHTNING /AND POSSIBLY SOME SMALL HAIL. ELSEWHERE...SHOWERS AND THUNDERSTORMS WERE INDICATED OVER THE NORTHERN THIRD OF GEORGIA AND EXTEND INTO NORTHEAST ALABAMA...EASTERN TENNESSEE AND THE WESTERN CAROLINAS. MOVEMENT WAS TO THE SOUTHEAST 30 MPH.
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, 10:18 PM EDT | Severe Thunderstorm Warning | FFC | Putnam | 42 min |
| Aug 30, 1:34 AM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Johnson | 41 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.