Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 354, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Sep 10, 1990, 5:52 PM EDT for DeKalb County, Georgia. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Sep 10, 1990, 5:52 PM EDT (21:52 UTC)
- Expired
- Sep 10, 1990, 6:30 PM EDT
- In force
- 38 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County DeKalb 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 12:00Z, 9.9 hours before the alert went out and 88 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 102154 SVRATL GAC089-102230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 552 PM EDT MON SEP 10 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 ...SOUTHERN DEKALB COUNTY AT 550 PM EDT RADAR SHOWED A SEVERE THUNDERSTORM EAST OF THE ATLANTA INTERNATIONAL AIRPORT IN SOUTHWEST DEKALB COUNTY DRIFING NORTH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE 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, Sep 10, 4:16 PM EDT, 1 hour 36 minutes before
GAZ004-102215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 414 PM EDT MON SEP 10 1990 AT 410 PM EDT A CLUSTER OF THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WAS OCCURRING OVER MORGAN AND GREENE COUNTIES OF NORTHEAST GEORGIA. THESE STORMS SHOWED LITTLE MOVEMENT. PERSONS IN GREENE AND MORGAN COUNTIES OF NORTHEAST GEORGIA SHOULD BE ON THE ALERT FOR THE NEXT COUPLE OF HOURS UNTIL THESE STORMS DISSIPATE. BOATERS ON LAKE OCONEE SH'OULD USE EXTREME CAUTION. BRIEF HEAVY DOWNPOURS...DANGEROUS LIGHTNING...GUSTY SURFACE WINDS AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
Special weather statement, Sep 10, 4:46 PM EDT, 1 hour 6 minutes before
GAZ006-008-009-102245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 445 PM EDT MON SEP 10 1990 AT 440 PM WEATHER RADAR IN MACON SHOWED STRONG THUNDERSTORMS ACROSS CENTRAL GEORGIA. THE STRONGEST THUNDERSTORMS WERE LOCATED FROM MONTICELLO GEORGIA IN JASPER COUNTY AND EXTENDED SOUTH TO MACON. OTHER STRONG THUNDERSTORMS WERE NOTED BETWEEN HAWKINSVILLE AND EASTMAN GEORGIA. THESE STORMS SHOWED LITTLE MOVEMENT. HEAVY RAINFALL..GUSTY WINODS..DANGEROUS CLOUD TO GROUND LIGHTNING AND SMALL HAIL MAY BE PRODUCED BY SOME OF THESE THUNDERSTORMS. PERSONS IN OR NEAR THESE THUNDERSTORMS SHOULD REMAIN INDOORS UNTIL THEY MOVE OUT OF THE AREA.
Special weather statement, Sep 10, 4:54 PM EDT, 58 minutes before
GAZ002-004-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 452 PM EDT MON SEP 10 1990 AT 445 PM EDT SEVERAL THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE INDICATED IN HALL COUNTY OF NORTHEAST GEORGIA. THE THUNDERSTORM WITH THE HEAVIEST RAINFALL WAS ABOUT 7 MILES NORTHEAST OF BUFORD GEORGIA. THESE STORMS SHOWED VERY LITTLE MOVEMENT. PERSONS IN HALL COUNTY SHOULD BE ON THE ALERT FOR THE NEXT COUPLE OF HOURS FOR THREATENING WEATHER CONDITIONS. THUNDERSTORMS WERE DEVELOPING OVER ALL OF NORTHEAST GEORGIA AND ALL PERSONS IN NORTHEAST GEORGIA SHOULD BE ON THE ALERT FOR THREATENING CONDITIONS. BRIEF HEAVY RAINFALLL...GUSTY SURFACE WINDS...DANGEROUS CLOUD TO GROUND LYIGHTNING AND SMALL HAIL ARE POSSIBLE WITH THESE THUNDERSTORMS.
Special weather statement, Sep 10, 5:20 PM EDT, 32 minutes before
GAZ001-3 102100 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 520 PM EDT MON SEP 10 1990 ...THUNDERSTORMS OVER NORTHWEST GEORGIA... AT 515 PM WEATHER SERVICE RADAR INDICATED SEVERAL STRONG THUNDERSTORMS OVER NORTHWEST GEORGIA. THE STRONGEST STORM WAS LOCATED NEAR DULUTH IN GWINNETT COUNTY AT 515 PM. A HAM RADIO SPOTTER REPORTED HAIL UP TO 1/2 INCH IN DIAMETER AND WINDS ESTIMATED AT 45 MPH WITH THIS STORM. OTHER STRONG STORMS WERE LOCATED IN FLOYD COUNTY NEAR ROME...AND NEAR WOODBURY IN MERIWETHER COUNTY. THESE STORMS ARE MOVING VERY SLOWLY... AND HEAVY RAINS ALONG WITH DANGEROUS LIGHTNING CAN ALSO BE EXPECTED. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER NsORTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS. STAY TUNED FOR LAYER INFORMATION.
Special weather statement, Sep 10, 5:21 PM EDT, 31 minutes before
GAZ001-003 102215 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 520 PM EDT MON SEP 10 1990 ...THUNDERSTORMS OVER NORTHWEST GEORGIA... AT 515 PM WEATHER SERVICE RADAR INDICATED SEVERAL STRONG THUNDERSTORMS OVER NORTHWEST GEORGIA. THE STRONGEST STORM WAS LOCATED NEAR DULUTH IN GWINNETT COUNTY AT 515 PM. A HAM RADIO SPOTTER REPORTED HAIL UP TO 1/2 INCH IN DIAMETER AND WINDS ESTIMATED AT 45 MPH WITH THIS STORM. OTHER STRONG STORMS WERE LOCATED IN FLOYD COUNTY NEAR ROME...AND NEAR WOODBURY IN MERIWETHER COUNTY. THESE STORMS ARE MOVING VERY SLOWLY... AND HEAVY RAINS ALONG WITH DANGEROUS LIGHTNING CAN ALSO BE EXPECTED. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP vOVER NORTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS. STAY TUNED FOR LAYER INFORMATION.
Special weather statement, Sep 10, 5:22 PM EDT, 30 minutes before
GAZ001-003-102215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 520 PM EDT MON SEP 10 1990 ...THUNDERSTORMS OVER NORTHWEST GEORGIA... AT 515 PM WEATHER SERVICE RADAR INDICATED SEVERAL STRONG THUNDERSTORMS OVER NORTHWEST GEORGIA. THE STRONGEST STORM WAS LOCATED NEAR DULUTH IN GWINNETT COUNTY AT 515 PM. A HAM RADIO SPOTTER REPORTED HAIL UP TO 1/2 INCH IN DIAMETER AND WINDS ESTIMATED AT 45 MPH WITH THIS STORM. OTHER STRONG STORMS WERE LOCATED IN FLOYD COUNTY NEAR ROME...AND NEAR WOODBURY IN MERIWETHER COUNTY. THESE STORMS ARE MOVING VERY SLOWLY... AND HEAVY RAINS ALONG WITH DANGEROUS LIGHTNING CAN ALSO BE EXPECTED. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOPx OVER NORTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS. STAY TUNED FOR LAYER INFORMATION.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 1:14 AM EDT | Severe Thunderstorm Warning | FFC | Fannin | 46 min |
| Sep 10, 4:42 AM EDT | Severe Thunderstorm Warning | FFC | Fulton | 48 min |
| Sep 10, 2:44 PM EDT | Severe Thunderstorm Warning | FFC | Twiggs | 46 min |
| Sep 10, 3:06 PM EDT | Severe Thunderstorm Warning | FFC | Jones | 69 min |
| Sep 10, 3:13 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Houston | 62 min |
| Sep 10, 5:26 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee | 34 min |
| Sep 10, 5:41 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 34 min |
| Sep 10, 6:03 PM EDT | Severe Thunderstorm Warning | FFC | Clayton | 27 min |
| Sep 10, 6:28 PM EDT | Severe Thunderstorm Warning | FFC | Columbia, Richmond | 47 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.