Union County

Every recorded tornado

1. Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Union County: 0.
2. Weak tornadoes were under-recorded before Doppler radar coverage became national in the early 1990s, so earlier decades read low. Ratings use the Fujita scale before February 2007 and the Enhanced Fujita scale after.

Storm Prediction Center severe weather database, 1950 to 2025.

Every storm within 100 miles

1. Tropical storms and hurricanes (34 kt or more, still tropical) at closest approach. Post-tropical remnants with gale-force winds are listed but not counted. Direct: track within 50 miles; near: within 100 miles. Distance is measured to the county boundary for counties and to the city centre for cities, using positions interpolated hourly between HURDAT2 fixes.

National Hurricane Center HURDAT2, 1851 to 2025.

Every large fire

1. Large fires mapped by the Monitoring Trends in Burn Severity program since 1984: 1,000 acres or more in the West, 500 or more in the East. Prescribed burns are excluded. Acres here are the part of each perimeter inside this place.

Monitoring Trends in Burn Severity (USGS and U.S. Forest Service), 1984 to 2026.

Smoke overhead

1. A smoke day is a date on which a smoke plume traced by NOAA Hazard Mapping System analysts from satellite imagery covered this place's point (the county's population centre or the city centre). Counts here are of medium or heavy smoke. Since 2018 analysts have often drawn light smoke as one area over most of the continent, so light-smoke counts are not comparable from year to year. The plumes show smoke anywhere in the air above, not air quality at the ground, and smoke hidden by cloud is missed.

NOAA Hazard Mapping System smoke analysis, 2011 to 2026, retrieved October 30, 2026.

Claims by ZIP code

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.

River crests

River gauges

1. Crests are the highest and the recent crests the National Weather Service lists for each river gauge in the county that has a flood stage, not every flood. Flood categories use each gauge's current flood stages; crests from before levees, dams or channel changes may not be comparable. Crests measured on an old datum are left out of the rankings.

NOAA National Water Prediction Service gauge records, retrieved October 30, 2026.

1. The Palmer Drought Severity Index is computed by NOAA each month from the county's average temperature and precipitation, relative to the county's own climate. Zero is normal; -3 or lower is severe drought and -4 or lower extreme drought. It describes the long-term balance of moisture, not water supply or crop losses.

NOAA NCEI nClimDiv county Palmer Drought Severity Index, 1895 to September 2026, issued October 6, 2026.

Every earthquake of magnitude 4 or more within 50 miles

1. Earthquakes of magnitude 2.5 or more in the USGS Comprehensive Catalog since 1900. Within 50 miles means the epicentre lies within 50 miles of the county boundary (or inside the county).
2. Small earthquakes were under-recorded before the modern seismic networks of the 1970s and are still missed in remote areas, so early decades read low. Magnitudes are as the catalogue reports them and mix scales (moment, local and body-wave).

USGS ANSS Comprehensive Earthquake Catalog, 1900 to present, retrieved October 30, 2026.

More event types since 1996

Costliest events since 1996

1. Jan 22, 2000Ice Storm, Union$980,000
   National Weather Service narrative

   Wintry precipitation plagued the northern third of Georgia beginning Saturday and continued into Sunday. A shallow cold airmass with single-digit dewpoint temperatures was in place over north Georgia, with temperatures in the upper 20s to lower 30s over much of the area. An upper level disturbance moved rapidly over the area in a fast zonal flow, bringing an increase in mid-tropospheric moisture. At the same time, lower level moisture spread into the area from the Gulf of Mexico. Precipitation began falling into the colder layer of air near the surface by mid-morning on the 22nd. The mixture of light rain, snow and sleet had spread from northwest to northeast Georgia by early…

2. Sep 16, 2004High Wind, Union$500,000
   National Weather Service narrative

   High wind damage, associated with Tropical Storm Ivan, is listed below, in alphabetical order by county for those counties that "high wind" criteria was either met or assumed to be met.Banks: The Banks County News of Homer reported widespread damage to trees and power lines throughout the county. More than 73 trees were uprooted or blown down, and many roads were blocked by downed trees and power lines. One home and an unoccupied camper were damaged when trees fell on them and a power line fell on a vehicle while traveling on a county highway. (Estimated Damage: $250,000)Barrow: The Barrow County News and the Gwinnett Daily Post both reported widespread damage to trees and power…

3. May 26, 2011Hail$385,000
   National Weather Service narrative

   The Union County 911 Center reported that tennis ball-sized hail fell across the northwest part of the county between Jones Creek and Ivy Log.

4. Jul 21, 2020Hail$300,000
   National Weather Service narrative

   The public reported hail the size of golf balls at Lake Trahlyta.

5. Apr 4, 2011Thunderstorm Wind$300,000
   National Weather Service narrative

   The Union County Emergency Management Director reported that hundreds of trees and dozens of power lines were down throughout the county. Four homes sustained minor to moderate damage from downed trees. Fifty-four roads were closed, at least temporarily, from downed trees. Much of the county was left without power for many hours. The public reported that at least nine trees were down in the far western part of the county near the Fannin county line at a private residence. Two of the trees fell on the home resulting in major damage to the structure.

6. May 26, 2011Lightning$250,000
   National Weather Service narrative

   The Union County 911 Center reported that lightning struck a structure on the northwest side of Blairsville on Jewell Mason Road. The home was destroyed from the resulting fire.

7. Sep 16, 2004Flash Flood$250,000
   National Weather Service narrative

   The Georgia Emergency Mangement Agency, and local newspapers, reported significant flooding across much of the county as anywhere from five to nine inches of rain fell during the afternoon and evening hours. Several roads were blocked from flooding and/or mudslides. Three bridges were washed out. Flash flooding forced the rescues of seven people and three animals from their homes in the Twin Pond and Pegasus Landing areas.

8. May 20, 2006Hail$130,000
   National Weather Service narrative

   The public reported penny-sized hail along U.S. Highway 129 in the southeast part of the county.

9. Apr 17, 2013Flash Flood$100,000
   National Weather Service narrative

   County officials reported that Anderson and Coosa Creeks flooded the Mountain Oak Cabins and Campground area around 3.5 miles southwest of Blairsville. The RV park was flooded in low lying areas with a few vacation homes inundated with water. A few culverts were washed out. The Youngcane and Jones Creeks flooded portions of Byers Road around 7 miles west of Blairsville. The flood waters topped the bridge and caused erosion damage to it.

10. May 26, 2011Hail$100,000
    National Weather Service narrative

    Several reports of half-dollar to golf ball-sized hail were received from the Union County Sheriff's Office and the public across the northwest part of the county near Nottely Lake, from the Fannin county border southwest of Nottely to the Tennessee state line northeast of Ivy Log.

1. Storm Events records before 1996 cover only tornadoes, thunderstorm wind and hail. Damage figures are as reported by the National Weather Service at the time, not adjusted for inflation.

NOAA NCEI Storm Events Database, 1950 to 2026, issued October 26, 2026.

All-time high

100°F4 times, most recently Jul 1, 2012

All-time low

−16°F2 times, most recently Jan 21, 1985

Warmest night

75°F3 times, most recently Aug 31, 2026

Coldest day

6°FJan 21, 1985

Wettest day

5.50 inMar 11, 1952

Snowiest day

13.0 inMar 2, 1942

Hottest year

1945mean 60.1°F

Coldest year

1976mean 52.9°F

Wettest year

202082.65 in

Driest year

193535.75 in

Snowiest season

21.9 in1935-36

Station Blairsville Experiment Station (USC00090969), 1,949 ft elevation, 3.8 miles from the population centre. Daily records from 1931 to August 31, 2026; 94.0% of days in the last 30 years are complete. Records at a single station can differ from a city’s official threaded record, which may combine several stations.

NOAA NCEI Global Historical Climatology Network Daily.

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA Disaster Declarations Summaries, retrieved October 30, 2026. Statewide declarations are not listed.

Neighbouring counties

• Tornadoes NOAA Storm Prediction Center severe weather database, through 2025.
• Tropical cyclones NOAA National Hurricane Center HURDAT2 (Atlantic; Northeast and Central Pacific), through 2025.
• Wildfire USGS/USFS Monitoring Trends in Burn Severity, through 2026.
• Storm events NOAA NCEI Storm Events Database, through 2026.
• Flood insurance OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026.
• Declarations OpenFEMA Disaster Declarations Summaries v2, retrieved October 30, 2026.
• Weather records NOAA NCEI Global Historical Climatology Network Daily, station USC00090969.
• River crests NOAA National Weather Service, National Water Prediction Service river gauges, retrieved October 30, 2026.
• Drought NOAA NCEI nClimDiv county Palmer Drought Severity Index, through September 2026.
• Smoke NOAA NESDIS Hazard Mapping System smoke analysis, retrieved October 30, 2026.
• Earthquakes USGS ANSS Comprehensive Earthquake Catalog (ComCat), retrieved October 30, 2026.

Joins, thresholds and known limits are set out in the methodology. Found an error? Report it. Page built October 30, 2026.