On the map: every storm report logged this day.
On the map
Storm reports for September 20, 2011
On September 20, 2011, 0 hail, 7 damaging-wind and 0 tornado reports were logged across 4 states.
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← Sep 19, 2011 All 2011 storm days · September 2011 Sep 21, 2011 →
Other storms on September 20 →
On September 20, 2011, 0 hail, 7 damaging-wind and 0 tornado reports were logged across 4 states.
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 |
|---|---|---|---|---|
| FL | 0 | 3 | 0 | – |
| AL | 0 | 2 | 0 | – |
| CA | 0 | 1 | 0 | – |
| GA | 0 | 1 | 0 | – |
Damage, injuries and deaths
National Weather Service offices recorded about $10,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (7 events in 4 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Autauga County, AL | 1 | 0 | 0 | $5,000 |
| Elmore County, AL | 1 | 0 | 0 | $5,000 |
What the National Weather Service wrote
- Elmore County, AL (near Deatsville) · Thunderstorm wind 58 mph · $5,000
“Several trees were reported down in the community of Holtville. A porch also collapsed, causing damage to the roof of a house.” - Autauga County, AL (near Autaugaville) · Thunderstorm wind 58 mph · $5,000
“Trees were reported down along County Road 13, causing damage to the awning of a travel trailer, a flat bed auto trailer, and a fence.” - Inyo County, CA (near (Bih)Bishop Arpt) · Thunderstorm wind 59 mph
“This gust was associated with a dry microburst.” - Charlton County, GA (near Colerain) · Thunderstorm wind 58 mph
“A spotter reported trees were blown down across his property in Folkston.” - Union County, FL (near Johnstown) · Thunderstorm wind 58 mph
“The county central dispatch reported a tree was blown down and blocking both lanes of SE County Road 237.” - Union County, FL (near Lake Butler) · Thunderstorm wind 58 mph
“County central dispatch reported a tree down at NW 2nd Street in Lake Butler.”
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.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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