Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 238, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 22, 1990, 9:12 PM EDT for Habersham County, Stephens County, Georgia. It was in force for 63 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
- Jul 22, 1990, 9:12 PM EDT (01:12 UTC)
- Expired
- Jul 22, 1990, 10:15 PM EDT
- In force
- 63 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Habersham County, GA, Stephens 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 |
|---|---|---|---|
| Jul 22, 9:45 PM EDT | Thunderstorm Wind 0 | Stephens, 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, 1.2 hours before the alert went out and 72 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
- 1619 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1131 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAHN 230112 SVRAHN GAC137-257-230215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATHENS GA 912 PM EDT SUN JUL 22 1990 THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST GEORGIA ...HABERSHAM COUNTY...STEPHENS COUNTY A SEVERE THUNDERSTORM HAS MOVED INTO HABERSHAM COUNTY AND IS MOVING TO THE EAST AT 25 MILES AN HOUR. 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. H+EAVY 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, Jul 22, 6:59 PM EDT, 2 hours 13 minutes before
GAZ001-002-003-230005- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 658 PM EDT SUN JUL 22 1990 ...THUNDERSTORMS ARE FORMING ACROSS EXTREME NORTH GEORGIA... AT 655 PM...NATIONAL WEATHER SERVICE RADAR IN ATLANTA SHOWED THAT THUNDERSTORMS WERE DEVELOPING ACROSS NORTHWEST GEORGIA. THE STRONGEST STORMS WERE LOCATED IN THE NORTHWESTERN CORNER OF THE STATE NOT FAR FROM CHATTANOOGA. ANOTHER STRONG STORM WAS LOCATED IN GILMER COUNTY NORTH OF ELLIJAY. THIS STORM WILL BE MOVING INTO FANNIN COUNTY AND THE LAKE BLUE RIDGE AREA BY 8 PM. BRIEF HEAVY RAIN ALONG WITH STRONG GUSTY WINDS AND DANGEROUS LIGHTNING CAN BE EXPECTED AS THESE STORMS MOVE EAST AT 25 MPH. PEOPLE IN THIS AREA OF THE STATE...ESPECIALLY THOSE PLANNING OUTDOOR ACTIVITIES...SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.
Special weather statement, Jul 22, 7:44 PM EDT, 1 hour 28 minutes before
GAZ002-004-230045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 740 PM EDT SUN JUL 22 1990 VERY STRONG THUNDERSTORMS HAVE MOVED INTO EXTREME NORTHEAST GEORGIA COUNTIES OF UNION...LUMPKIN...WHITE AND TOWNS DURING THE PAST HOUR. OTHER VERY STRONG THUNDERSTROMS ARE LOCATED TO THE WEST OVER NORTHWEST GEORGIA AND SOUTHEAST TENNESSEE THAT ARE ALSO MOVING TOWARD THESE COUNTIES AND SHOULD MAK THEIR APPEARENCES DURING THE NEXT HOUR OR SO. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF VERY HEAVY RAIN... STRONG GUSTY WINDS...FREQUENT DANGEROUS LIGHTNING AND HAIL. THE MOVE- MENT IS TOWARD THE SOUTHEAST AT 25 MPH. PERSONS IN THE NORTHERN COUNTIES OF NORTHEAST GEORGIA SHOULD STAY ALERT FOR THESE THUNDERSTORMS AS THEY MOVE THROUGH THEIR COUNTIES.
Special weather statement, Jul 22, 7:56 PM EDT, 1 hour 16 minutes before
GAZ001-002-003-230050- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 755 PM EDT SUN JUL 22 1990 AT 755 PM...NATIONAL WEATHER SERVICE RADAR IN ATLANTA SHOWED AN AREA OF STRONG THUNDERSTORMS ACROSS PARTS OF EXTREME NORTH GEORGIA. THE STRONGEST STORMS WERE IN A BAND EXTENDING FROM JUST WEST OF DAHLONEGA WESTWARD TO NEAR ELLIJAY AND SOUTHERN MURRAY AND NORTHERN GORDON COUNTIES. BRIEF HEAVY RAIN ALONG WITH STRONG GUSTY WINDS AND DANGEROUS LIGHTNING CAN BE EXPECTED AS THESE STORMS MOVE EAST-SOUTHEAST AT 25 MPH. THE STORMS SHOULD BE APPROACHING JASPER...DAWSONVILLE...AND DAHLONEGA BEFORE DARK. PEOPLE IN THIS AREA OF THE STATE SHOULD REMAIN ALERT FOR DARK THREATENING CLOUDS APPRACHING FROM THE WEST....AND BE PREPARED TO MOVE INDOORS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 8:27 PM EDT | Severe Thunderstorm Warning | FFC | Lumpkin, White | 63 min |
| Jul 23, 3:43 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Spalding | 47 min |
| Jul 23, 4:10 PM EDT | Severe Thunderstorm Warning | FFC | Henry | 50 min |
| Jul 23, 4:38 PM EDT | Severe Thunderstorm Warning | FFC | Cobb | 52 min |
| Jul 23, 4:57 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette | 48 min |
| Jul 23, 5:00 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 30 min |
| Jul 23, 5:26 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Gwinnett | 49 min |
| Jul 23, 5:55 PM EDT | Severe Thunderstorm Warning | FFC | Rockdale | 50 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.