On the map: every storm report logged this day.
On the map
Storm reports for September 20, 1997
On September 20, 1997, 9 hail, 5 damaging-wind and 0 tornado reports were logged across 4 states.
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← Sep 19, 1997 All 1997 storm days · September 1997 Sep 21, 1997 →
Other storms on September 20 →
On September 20, 1997, 9 hail, 5 damaging-wind and 0 tornado reports were logged across 4 states. The largest hail reported was 4.00″ (grapefruit size) in Rio Blanco County, CO.
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 |
|---|---|---|---|---|
| CO | 5 | 2 | 0 | 4.00″ |
| NM | 3 | 1 | 0 | 1.00″ |
| CT | 0 | 2 | 0 | – |
| UT | 1 | 0 | 0 | 1.75″ |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Fruita, CO | 13,912 | 1.00″ |
| Grants, NM | 8,880 | 1.00″ |
Hail reports (9)
| Time (UTC) | Size | Location |
|---|---|---|
| 19:40 | 4.00″ | Rio Blanco County, CO |
| 17:00 | 1.75″ | Rio Blanco County, CO |
| 21:00 | 1.75″ | Grand County, UT |
| 20:10 | 1.00″ | Mesa County, CO |
| 20:25 | 1.00″ | La Plata County, CO |
| 22:50 | 1.00″ | Cibola County, NM |
| 23:40 | 1.00″ | Cibola County, NM |
| 20:30 | 0.75″ | San Juan County, NM |
| 22:00 | 0.75″ | Routt County, CO |
Damage, injuries and deaths
National Weather Service offices recorded about $1.2 million in property damage, $100,000 in crop damage and 3 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (16 events in 4 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Western Connecticut Planning Region, CT | 1 | 3 | 0 | – |
| Rio Blanco County, CO | 2 | 0 | 0 | $1.1 million |
| Routt County, CO | 2 | 0 | 0 | $55,000 |
| Luna County, NM | 1 | 0 | 0 | $40,000 |
What the National Weather Service wrote
- San Juan County, NM (near Bloomfield) · Hail 0.75″
“Dime sized hail was reported at the Blanco Trading Post on Highway 44.”
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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