Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 346, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Sep 10, 1990, 4:42 AM EDT for Fulton County, Georgia. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Sep 10, 1990, 4:42 AM EDT (08:42 UTC)
- Expired
- Sep 10, 1990, 5:30 AM EDT
- In force
- 48 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Fulton 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, 8.7 hours before the alert went out and 109 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
- 1884 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1274 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 76 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 100843 SVRATL GAC121-100930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 442 AM EDT MON SEP 10 1990 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...NORTHERN FULTON COUNTY AT 445 AM WEATHER SERVICE RADAR INDICATED A THUNDERSTORM 5 MILES EAST OF SMYRNA IN COBB COUNTY NOW ENTERING NORTH FULTON COUNTY. THIS STORM IS MOVING EAST AT 15 MPH. THIS STORM HAS BEEN ACCOMPANIED BY HIGH WINDS...FREQUENT LIGHTNING AND SOME SMALL HAIL. 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, 12:42 AM EDT, 4 hours before
GAZ001-002-100600 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1245 AM EDT MON SEP 10 1990 ...THUNDERSTORMS OVER NORTHWEST GEORGIA... AT 1245 AM WEATHER RADAR INDICATED THUNDERSTORMS OVER EXTREME NORTHWEST GEORGIA. THE STRONGEST STORMS WERE LOCATED IN MURRAY COUNTY 10 MILES EAST OF CHATSWORTH AND IN GILMER COUNTY 10 MILES NORTH OF ELLIJAY. THESE STORMS ARE MOVING EAST NEAR 15 MPH. THEY HAVE BEEN ACCOMPANIED BY FREQUENT LIGHTNING AND HIGH WINDS. A ROOF WAS BLOWN OFF A TEXTILE BUILDING NEAR CHATSHORTH. THESE STORMS MAY BE ACCOMPANIED BY FREQUENT LIGHTNONG...HIGH WINDS AND SOME HAIL. THUNDERSTORMS WILL CONTINUE OVER THIS AREA FOR THE NEXT SEVERAL HOURS. REIDENTS IN NORTHWEST GEORGIA SHOULD STAY ON THE ALERT FOR FURTHER INFORMATION ON THESE STORMS FROM THE MEDIA OR NOAA WEATHER RADIO.
Special weather statement, Sep 10, 1:38 AM EDT, 3 hours 4 minutes before
GAZ002-100530- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 130 AM EDT MON SEP 10 1990 THUNDERSTORMS WERE OCCURRING OVER EXTREME NORTH GEORGIA NEAR AND JUST NORTH OF THE BORDERS WITH TENNESSEE AND NORTH CAROLINA. THE STRONGEST STORMS IN GEORGIA WERE NEAR CHATSWORTH AND BLUE RIDGE MOVING EAST AT 15 MPH. THESE STORMS AREA MOVING INTO UNION AND TOWNS COUNTIES OF NORTHEAST GEORGIA AND PERSONS IN THESE COUNTIES STAY ALERT. THESE THUNDERSTORMS HAVE HAD A HISTORY OF STRONG WINDS VERY HEAVY DOWNPOURS OF RAIN AND FREQUENT LIGHTNING. ALSO POWER OUTAGES AND DOWN TREES WERE REPORTED IN FANNIN COUNTY JUST WEST OF UNION COUNTY.
Special weather statement, Sep 10, 4:16 AM EDT, 26 minutes before
GAZ001-101000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 415 AM EDT MON SEP 10 1990 ...THUNDERSTORMS OVER NORTHWEST GEORGIA... AT 415 AM WEATHER RADAR INDICATED THUNDERSTORMS OVER NORTHWEST GEORGIA. THE STRONGEST STORMS WERE LOCATED IN COBB COUNTY 10 MILES SOUTH OF SMYRNA AND IN FORSYTH COUNTY 15 MILES NORTHWEST OF CUMMING. THESE STORMS ARE MOVING EAST NEAR 15 MPH. THESE STORMS MAY BE ACCOMPANIED BY FREQUENT LIGHTNING...HIGH WINDS AND HEAVY RAIN. THUNDERSTORMS WILL CONTINUE OVER NORTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS. RESIDENTS IN NORTHWEST GEORGIA SHOULD STAY ON THE ALERT FOR FURTHER INFORMATION ON THESE STORMS FROM THE MEDIA OR NOAA WEATHER RADIO.
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, 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, 5:52 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 38 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.