Alert archive / Georgia / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 120, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 22, 1997, 2:28 PM EDT for Gwinnett County, Georgia. It was in force for 32 min. 2 reports 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
- Apr 22, 1997, 2:28 PM EDT (18:28 UTC)
- Expired
- Apr 22, 1997, 3:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Gwinnett County, GA
The radar
The Atlanta radar (KFFC), 83 km from the middle of the area, began a volume at 18:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 22, 2:35 PM EDT | Hail 2.75 | Duluth, GA | |
| Apr 22, 3:05 PM EDT | Hail 1 | Lawrenceville, 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.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.5 hours before the alert went out and 79 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
- 232 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 649 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
741 WUUS1 KATL 221829 RRA SVRATL GAC135-221900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 228 PM EDT TUE APR 22 1997 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST GEORGIA ...GWINNETT COUNTY AT 225 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO WEST GWINNETT COUNTY NEAR DULUTH. THE STORM WAS MOVING NORTHEAST AT 25 MPH. THIS WILL TAKE THE STORM NEAR THE I-85 AND I-985 INTERSECTION AROUND 245 PM AND NORTH OF LAWRENCEVILLE BETWEEN 245 AND 300 PM. THIS STORM LIKELY CONTAINS DIME TO QUARTER SIZE 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 DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER SERVICE BY CALLING 770-486-8535.
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, Apr 22, 11:42 AM EDT, 2 hours 46 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-230200- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1145 AM EDT TUE APR 22 1997 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND TONIGHT ACROSS PORTIONS OF WEST GEORGIA. THE MODERATE RISK AREA IS ALONG AND WEST OF A LINE FROM PRESTON IN WEBSTER COUNTY TO FORSYTH IN MONROE COUNTY TO ATLANTA TO ROME. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE REMAINDER OF NORTH AND CENTRAL GEORGIA. A LOW PRESSURE SYSTEM WILL MOVE NORTHEAST FROM EAST TEXAS INTO MISSISSIPPI THIS EVENING AND INTO NORTH GEORGIA TONIGHT. SEVERE WEATHER HAS ALREADY OCCURRED OVER NORTHERN LOUISIANA THIS MORNING AND THIS SHOULD SPREAD TOWARD GEORGIA LATER THIS AFTERNOON AND EVENING. SOME OF THESE STORMS ARE EXPECTED TO BE SEVERE AND POSSIBLY PRODUCE TORNADOES. LARGE HAIL AND HEAVY DOWNPOURS MAY ALSO ACCOMPANY SOME STORMS. SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL IN NORTH AND CENTRAL GEORGIA SHOULD MONITOR LOCAL WEATHER CONDITIONS AND BE READY FOR POSSIBLE ACTIVATION LATER THIS AFTERNOON OR EVENING. JRN
Special weather statement, Apr 22, 11:45 AM EDT, 2 hours 43 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-230200- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1145 AM EDT TUE APR 22 1997 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND TONIGHT ACROSS PORTIONS OF WEST GEORGIA. THE MODERATE RISK AREA IS ALONG AND WEST OF A LINE FROM PRESTON IN WEBSTER COUNTY TO FORSYTH IN MONROE COUNTY TO ATLANTA TO ROME. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE REMAINDER OF NORTH AND CENTRAL GEORGIA. A LOW PRESSURE SYSTEM WILL MOVE NORTHEAST FROM EAST TEXAS INTO MISSISSIPPI THIS EVENING AND INTO NORTH GEORGIA TONIGHT. SEVERE WEATHER HAS ALREADY OCCURRED OVER NORTHERN LOUISIANA THIS MORNING AND THIS SHOULD SPREAD TOWARD GEORGIA LATER THIS AFTERNOON AND EVENING. SOME OF THESE STORMS ARE EXPECTED TO BE SEVERE AND POSSIBLY PRODUCE TORNADOES. LARGE HAIL AND HEAVY DOWNPOURS MAY ALSO ACCOMPANY SOME STORMS. SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL IN NORTH AND CENTRAL GEORGIA SHOULD MONITOR LOCAL WEATHER CONDITIONS AND BE READY FOR POSSIBLE ACTIVATION LATER THIS AFTERNOON OR EVENING. JRN
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 8:03 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Walker | 27 min |
| Apr 21, 9:01 PM EDT | Severe Thunderstorm Warning | FFC | Murray, Whitfield | 29 min |
| Apr 21, 9:52 PM EDT | Severe Thunderstorm Warning | FFC | Crawford, Monroe, Upson | 38 min |
| Apr 21, 10:11 PM EDT | Severe Thunderstorm Warning | FFC | Bibb | 34 min |
| Apr 21, 10:20 PM EDT | Severe Thunderstorm Warning | FFC | Jones | 25 min |
| Apr 21, 10:39 PM EDT | Severe Thunderstorm Warning | FFC | Twiggs, Wilkinson | 51 min |
| Apr 21, 10:39 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin | 51 min |
| Apr 22, 12:04 AM EDT | Severe Thunderstorm Warning | FFC | Baldwin | 26 min |
| Apr 22, 2:10 AM EDT | Severe Thunderstorm Warning | FFC | Greene | 35 min |
| Apr 22, 1:24 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Paulding | 51 min |
| Apr 22, 1:50 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 40 min |
| Apr 22, 2:10 PM EDT | Severe Thunderstorm Warning | FFC | Paulding, Polk | 50 min |
| Apr 22, 2:42 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee, Cobb | 48 min |
| Apr 22, 2:49 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 41 min |
| Apr 22, 2:51 PM EDT | Severe Thunderstorm Warning | FFC | Clarke | 39 min |
| Apr 22, 3:01 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Jackson | 44 min |
| Apr 22, 3:01 PM EDT | Severe Thunderstorm Warning | FFC | Gwinnett | 44 min |
| Apr 22, 3:15 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 30 min |
| Apr 22, 3:17 PM EDT | Severe Thunderstorm Warning | FFC | Walton | 28 min |
| Apr 22, 3:34 PM EDT | Severe Thunderstorm Warning | FFC | Oconee | 41 min |
| Apr 22, 3:40 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe, Wilkes | 50 min |
| Apr 22, 5:34 PM EDT | Severe Thunderstorm Warning | FFC | Troup | 41 min |
| Apr 22, 5:43 PM EDT | Severe Thunderstorm Warning | FFC | Fannin, Gilmer | 32 min |
| Apr 22, 5:50 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Coweta, Heard | 40 min |
| Apr 22, 5:59 PM EDT | Severe Thunderstorm Warning | FFC | Meriwether | 46 min |
| Apr 22, 5:59 PM EDT | Severe Thunderstorm Warning | FFC | Douglas, Fayette, Fulton | 46 min |
| Apr 22, 6:08 PM EDT | Severe Thunderstorm Warning | FFC | Harris | 52 min |
| Apr 22, 6:17 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Henry, Pike, Spalding | 43 min |
| Apr 22, 6:17 PM EDT | Severe Thunderstorm Warning | FFC | Talbot, Upson | 43 min |
| Apr 22, 6:21 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 39 min |
| Apr 22, 6:33 PM EDT | Tornado Warning | FFC | Jackson, Madison | 27 min |
| Apr 22, 6:47 PM EDT | Severe Thunderstorm Warning | FFC | Lamar | 28 min |
| Apr 22, 6:56 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Monroe, Newton | 49 min |
| Apr 22, 6:56 PM EDT | Severe Thunderstorm Warning | FFC | Crawford, Taylor | 49 min |
| Apr 22, 7:18 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Jones | 27 min |
| Apr 22, 7:28 PM EDT | Severe Thunderstorm Warning | FFC | Greene, Putnam | 32 min |
| Apr 22, 7:28 PM EDT | Severe Thunderstorm Warning | FFC | Clarke, Oconee, Oglethorpe | 32 min |
| Apr 22, 7:34 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin, Twiggs, Wilkinson | 26 min |
| Apr 22, 7:53 PM EDT | Severe Thunderstorm Warning | FFC | Hancock, Washington | 37 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1997Every severe thunderstorm warning in 1997
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; radar from the NEXRAD Level II archive.