| June 2007 | Hail | Duluth | $2,100,000 | At least a dozen reports of large hail were received from many parts of Gwinnett county. Golf ball-sized hail fell near Lawrenceville and in Snellville. Penny to nickel-sized hail was reported in Duluth and Grayson. Other reports of penny to quarter-sized hail were received from Duluth, to Grayson, to south of Snellville. |
| March 2008 | Hail | Duluth | $2,000,000 | Several reports of large damaging hail were received from the public across the northern half of Gwinnett county. Half-dollar to golf ball-sized hail was observed in Duluth, half-dollar-sized hail just south of Suwanee, and quarter-sized hail in the Lawrenceville area. The ground was covered three inches deep in some areas. Many vehicles were damaged. The public noted damage to guttering on some homes as well. The public noted that the hail was up to three inches deep in the Duluth area following the storm. |
| February 2008 | Thunderstorm Wind | Duluth | $1,000,000 | The public reported that from 30 to 40 trees were blown down in George Pierce Park, just east of Suwanee. The Gwinnett Daily Post of Lawrenceville reported that tree and property damage stretched from Duluth to Stone Mountain. Six homes were heavily damaged when trees fell on the structures. Trees were down on homes at Wildwood and Suwanee Creek, Old Peachtree Road and South Scale Road in Duluth, and Caldwell Circle in Suwanee. |
| June 2006 | Lightning | Duluth | $550,000 | The Gwinnett Daily Post reported that lightning strikes caused extensive damage to the Park Colony Apartments in Norcross. Consequently, 26 families were displaced from their homes. In another incident, lightning struck a home on Fairgreen Place in Duluth, causing heavy damage to the attic. |
| July 2002 | Lightning | Duluth | $550,000 | The Gwinnett Daily Post of Lawrenceville reported that at least four homes in Lawrenceville were struck and set on fire by lightning and the garage of another home in Duluth sustained minor damage because of a lightning strike. Literally dozens of lightning related calls were received by Gwinnett county firefighters during the one hour period. Two of the homes in Lawrenceville, one a two-story home, suffered major damage, while the other two sustained minor damage caused by attic fires. There were no injuries or deaths reported with these incidents. |
| June 2010 | Lightning | Duluth | $250,000 | The Gwinnett Daily Post of Lawrenceville reported that lightning struck a home on Towne Village Drive just north of Duluth. The fire spread very quickly and the home was completely destroyed. Even the home next door was threatened by the fire until firefighters could get the situation under control. |
| July 2008 | Lightning | Duluth | $250,000 | The Gwinnett Extra portion of the Atlanta Journal-Constitution reported that lightning struck a home in the 3100 block of Bugle Lane Northwest. The home was declared a complete loss from the resulting fire. There were numerous calls to the 911 center from lightning and wind related incidents as these thunderstorms moved across the county. |
| August 2006 | Thunderstorm Wind | Duluth | $250,000 | The Atlanta Journal-Constitution reported that several large trees fell on three buildings at the Magnolia Pointe Apartments on Boggs Road. A total of seven apartment units were damaged leaving 28 people homeless. The damage was caused by a very small thunderstorm with an apparent microburst or downburst. |
| July 1999 | Lightning | Duluth | $200,000 | Fire caused by lightning destroyed 4 upstairs units and damaged 4 downstairs units of a 16 unit building at the Falls Apartments. |
| July 2010 | Lightning | Duluth | $150,000 | The Gwinnett County Emergency Management Director reported that a one-story business was struck and set on fire by lightning on Howell Street in Duluth. The attic suffered extensive damage from the fire. |
| July 2010 | Lightning | Duluth | $150,000 | The Gwinnett County Emergency Management Director reported that a single-story wood-frame home was struck by lightning on Buford Highway in Duluth. The home was destroyed from the resulting fire. |
| June 2010 | Lightning | Duluth | $100,000 | The Gwinnett Daily Post of Lawrenceville reported that lightning struck a town home on Summit Cove Drive causing extensive damage to the two-story unit. |
| October 2002 | Thunderstorm Wind | Duluth | $75,000 | The Postal Inspector for the Duluth, Georgia Postal Distribution Center reported that 25 vehicles were moved about in the parking lot of the facility during a thunderstorm downburst or microbust, likely associated with the remnants of a Pacific hurricane, Kenna, which was moving across the area at the time. Fourteen of the vehicles sustained at least moderate body damage. In addition, two light poles in the parking lot also collapsed and caused additional damage to some of the vehicles. |
| August 2023 | Thunderstorm Wind | Duluth | $50,000 | A tree fell on a house starting a house fire on the 3100 block of Hall Circle in Duluth. Nearby trees down at the intersection of Sugarloaf Pkway and Buford Hwy. |
| June 2002 | Lightning | Duluth | $50,000 | The Gwinnett Daily Post reported that lightning struck and caused considerable damage to the second floor of a home. No injuries were reported. |
| May 1993 | Thunderstorm Wind | Duluth | $50,000 | A commercial building sustained partial damage to roof due tothunderstorm winds. |
| August 2023 | Flash Flood | Duluth | $40,000 | The Emergency Manager reported flooding along the 3900 block of Abbotts Bridge Road, and at the intersection of Duluth Highway and Buford Highway where floodwaters stalled vehicles. Radar estimates indicate that between 6 and 7 inches of rain occurred over the area, resulting in the flash flooding. |
| March 2017 | Thunderstorm Wind | Duluth | $30,000 | The Gwinnett County Emergency Manager reported trees blown down from Duluth to Lawrenceville. A tree fell onto Park Bluff Lane blocking the road, a tree fell on a house on Ferrite Loop, one on Raleigh Way and one on Carlysle Inn Court. |
| March 2005 | Lightning | Duluth | $30,000 | The Gwinnett Daily Post of Lawrenceville reported that two more homes were struck by lightning. At 2:52 pm EST, lightning struck a home on Glen Mary Place in Duluth. The lightning blew a three by six foot hole in the peak of the roof and caused several leaks in the gas line leading to the home. At 2:55 pm EST, lightning struck a home on Quail Creek Drive in Buford, causing damage to an electrical panel box and underground gas line leading to the home. |
| July 2008 | Thunderstorm Wind | Duluth | $25,000 | Local Atlanta television stations reported that many trees, power lines, and several fences were blown down from southeast of Duluth, to northwest of Lawrenceville, to Lilburn. |
| November 2002 | Thunderstorm Wind | Duluth | $15,000 | The Atlanta Journal-Constitution reported that a large 75-foot Poplar tree fell on a home causing considerable damage to the roof and front porch of the residence. Several other trees were reported down across the county, including some on Peachtree Industrial Boulevard, reported by a storm spotter. Several thousand residents of the county were without power much of the night and nearly 1200 were still without power well into the morning. |
| May 2017 | Thunderstorm Wind | Duluth | $5,000 | The Gwinnett County Emergency Manager reported trees blown down on power lines in northern Gwinnett County including along Berkeley Lake Road and on Friar Tuck Lane. |
| July 2011 | Thunderstorm Wind | Duluth | $5,000 | The public reported that up to 10 trees were down just northeast of Duluth. In addition, the downed trees and thunderstorm wind gusts caused damage to two fences, a playground set, and a street light pole. The public reported that it appeared to be an apparent downburst with estimated winds of 60 mph at the time. One-half inch diameter hail was also observed during the strongest part of the storm. |
| October 2007 | Lightning | Duluth | $5,000 | The Gwinnett Daily Post of Lawrenceville reported that lightning struck a shed behind a home on Tina Court. The storage shed was set on fire, causing damage to the structure and lawn equipment stored within. |
| May 1998 | Hail | Duluth | $5,000 | Several public reports of hail from dime size to as large as baseballs were received from Duluth, Suwanee, Lawrenceville, Grayson, and Dacula. |
| June 2015 | Flash Flood | Duluth | $3,000 | The public reported some drainage branches of the Sweetwater Creek and Yellow River near Lilburn overflowed and flooded portions of some roads. The upper reaches of Sweetwater Creek flooded portions of the Northwood Country Club Golf Course and nearby woodlands. |
| July 2013 | Flash Flood | Duluth | $3,000 | The stage height at a USGS stream gage on the Sweetwater Creek at Club Drive near Lilburn reached flood stage of 11 feet. The creek crest at 11.5 feet. Minor flooding occurred in portions of the Northwood Country Club Golf Course upstream from the gage on Club Drive...and in the woodland areas downstream from the gage and for the next four miles until the creek merges with the Yellow River. |
| July 2003 | Thunderstorm Wind | Duluth | $3,000 | A SkyWarn spotter reported that a number of trees had been blown down onto roads in the Berkeley Lakes area of northwest Gwinnett county, just northwest of Pittman in the Berkeley Lakes area. |
| July 2000 | Thunderstorm Wind | Duluth | $3,000 | The public reported trees down on the deck of a home. |
| June 2013 | Thunderstorm Wind | Duluth | $2,000 | Broadcast media relayed reports of several trees down in yards in Duluth; none fell on houses. |
| September 2000 | Thunderstorm Wind | Duluth | $2,000 | The public reported five small trees and one large tree down about 1/2 mile northeast of the Gwinnett County Mall. |
| April 1997 | Hail | Duluth | $2,000 | no account filed |
| July 1998 | Thunderstorm Wind | Duluth | $1,000 | The public reported 3 trees blown down by thunderstorm winds. |
| March 1997 | Thunderstorm Wind | Duluth | $1,000 | no account filed |
| July 2002 | Thunderstorm Wind | Duluth | $500 | The public reported that a few trees were blown down. |
| August 2023 | Flash Flood | Duluth | - | The Emergency Manager reported the closure of the Buford Highway and Fox Street intersection due to runoff into Sweetwater Creek flooding the roadway. Radar estimates indicate that between 6 and 7 inches of rain occurred over the area, resulting in the flash flooding. |
| July 2020 | Hail | Duluth | - | The public reported hail the size of quarters in the Berkeley Lake area. |
| June 2015 | Hail | Duluth | - | The public reported quarter sized hail in downtown Duluth. |
| February 2011 | Hail | Duluth | - | The Gwinnett County Emergency Management Director reported penny-sized hail from the Dacula area. Radar data and reports from upstream Fulton county, supported hail of this size, perhaps larger entering the northwest part of the county between Duluth and Suwanee. |
| April 2011 | Hail | Duluth | - | An amateur radio operator relayed a report of nickel-sized hail on the east side of Duluth and south of Suwanee in northwest Gwinnett county. |
| April 2011 | Hail | Duluth | - | The public observed quarter to possibly larger-sized hail. |
| July 2010 | Hail | Duluth | - | The public observed penny-sized hail from southeast of Duluth northwest to near the Fulton county line. Hail was observed on Pleasant Hill and Club Drive southeast of Duluth. |
| September 2010 | Hail | Duluth | - | The public observed quarter-sized hail across northern Gwinnett county from the east side of Duluth to Hog Mountain. Some accumulation was noted on the roadways. |
| April 2009 | Hail | Duluth | - | The public observed nickel-sized hail in the Duluth area. Exact time and location obtained from radar data. |
| April 2009 | Hail | Duluth | - | The public observed penny to quarter-sized hail near Duluth and southward. |
| May 2006 | Hail | Duluth | - | The public observed penny-sized hail. |
| February 2005 | Hail | Duluth | - | The public reported penny-sized hail. |
| February 2005 | Hail | Duluth | - | Numerous reports of hail, ranging in size from pennies to quarters, were received from the public. Penny to nickel-sized hail was reported in Duluth, nickel-sized hail in Lawrenceville, and quarter-sized hail in Grayson and Snellville. |
| November 2002 | Flood | Duluth | - | The public reported some street flooding on North Hill Road. |
| November 2002 | Hail | Duluth | - | A storm spotter for the SkyWarn Network reported dime size hail. |
| April 2002 | Hail | Duluth | - | A tremendous number of reports of hail, ranging in size from dimes to golf balls, were received from Duluth, to Norcross, to Lilburn, to Lawrenceville, to Snellville. The golf ball size hail was confined to the Norcross and Duluth areas in the western part of the county. At least three reports of dime to quarter size hail covering the ground and the roads were received from the Lilburn and Lawrenceville area. In one instance, in Lilburn, the dime size hail was observed to be 3.5 inches deep. |
| July 2002 | Hail | Duluth | - | The public and an amateur radio operator reported dime size hail in Duluth and northwest of Duluth on Peachtree Industrial Boulevard. |
| May 1998 | Hail | Duluth | - | no account filed |
| June 1998 | Hail | Duluth | - | no account filed |
| April 1998 | Hail | Duluth | - | no account filed |
| June 1998 | Hail | Duluth | - | no account filed |
| April 1997 | Hail | Duluth | - | no account filed |
| April 1996 | Hail | Duluth | - | no account filed |