On the map: every storm report logged this day.
On the map
Storm reports for December 20, 2017
On December 20, 2017, 3 hail, 3 damaging-wind and 3 tornado reports were logged across 3 states.
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On December 20, 2017, 3 hail, 3 damaging-wind and 3 tornado reports were logged across 3 states. The largest hail reported was 1.00″ (quarter size) in Madison County, AL.
Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.
Storm reports by state
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| AL | 3 | 0 | 1 | 1.00″ |
| GA | 0 | 3 | 1 | – |
| MS | 0 | 0 | 1 | – |
Hail reports (3)
| Time (UTC) | Size | Location |
|---|---|---|
| 22:13 | 1.00″ | Madison County, AL |
| 23:01 | 0.88″ | Madison County, AL |
| 22:15 | 0.75″ | Madison County, AL |
Damage, injuries and deaths
National Weather Service offices recorded about $43,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (9 events in 3 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Meriwether County, GA | 1 | 0 | 0 | $30,000 |
| Harris County, GA | 1 | 0 | 0 | $10,000 |
| Coweta County, GA | 1 | 0 | 0 | $2,000 |
| Muscogee County, GA | 1 | 0 | 0 | $1,000 |
What the National Weather Service wrote
- Meriwether County, GA (near Imlac) · Tornado EF0 · $30,000
“A National Weather Service survey team found that an EF0 tornado, with maximum winds speeds of 80-85 MPH and a maximum path width of 125 yards, occurred north of Woodbury in east central Meriwether County.” - Harris County, GA (near Ridgeway) · Thunderstorm wind 58 mph · $10,000
“A Columbus TV news reporter reported part of a chimney blown off of a house as well as a small utility trailer blown around and a couple of trees blown down near the intersection of McKee Road and County Line Road.” - Coweta County, GA (near Peeks Xing) · Thunderstorm wind 58 mph · $2,000
“A National Weather Service survey team found two pine trees blown down and a trampoline blown 50 feet and destroyed near Chase Wood Lane. Another trampoline was found in the treetops along Fire Creek Trail.” - Muscogee County, GA (near Midland) · Thunderstorm wind 58 mph · $1,000
“A Columbus TV news reporter reported a couple of trees blown down and metal patio furniture blown off of a deck in the Midland community.” - Walthall County, MS (near Enon) · Tornado EF1
“A tornado touched down just east of the intersection of Mannings Crossing Rd and MS Hwy 583 in rural Walthall County, MS. The tornado produced increasingly more apparent tree damage on high resolution satellite imagery as it crossed Jayess Rd.” - Madison County, AL (near Harvest Epps Arpt) · Hail 1.00″
“One inch hail was reported via social media.”
Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.
Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.
NWS Tornado Damage Surveys for December 20, 2017
National Weather Service survey teams mapped 2 tornado paths from this storm day (1 EF1, 1 EF0), 13 miles in all. The map above draws each surveyed path as the NWS mapped it, colored by the EF rating of each stretch, in place of the straight start-to-end line.
| Rating | Peak wind | Path length | Max width | Deaths / injuries | On the ground | Surveyed by |
|---|---|---|---|---|---|---|
| EF1 | 100 mph | 9.9 mi | 80 yd | 0 / 0 | 12:35–12:50 UTC | NWS New Orleans |
| EF0 | 85 mph | 3.1 mi | 125 yd | 0 / 0 | 18:15–18:17 UTC | NWS Peachtree City |
Source: NOAA National Weather Service Damage Assessment Toolkit (DAT): the tornado paths and EF-rating zones NWS survey teams mapped after each storm. Survey data are preliminary and can be revised; NOAA's official record is Storm Data (NCEI). Paths are simplified to about 30 m. Times are when the tornado was on the ground, in UTC.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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