On the map: every storm report logged this day.
On the map
Storm reports for September 9, 2017
On September 9, 2017, 0 hail, 2 damaging-wind and 6 tornado reports were logged across 3 states.
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On September 9, 2017, 0 hail, 2 damaging-wind and 6 tornado reports were logged across 3 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 | 0 | 5 | – |
| CA | 0 | 2 | 0 | – |
| CO | 0 | 0 | 1 | – |
Damage, injuries and deaths
National Weather Service offices recorded about $25,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (8 events in 3 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Riverside County, CA | 1 | 0 | 0 | $15,000 |
| Kern County, CA | 1 | 0 | 0 | $10,000 |
What the National Weather Service wrote
- Riverside County, CA (near Palm Spgs) · Thunderstorm wind 55 mph · $15,000
“Strong downburst winds from a thunderstorm produced a 55 mph wind gust at Palm Springs International Airport. Winds may have been stronger elsewhere in the city. Southern California Edison reported 1000 power outages.” - Kern County, CA (near Inyokern) · Thunderstorm wind 60 mph · $10,000
“Nine trees were reported blown down in Inyokern from a thunderstorm downburst.” - Collier County, FL (near Ochopee) · Tornado EF1
“NWS storm survey determined damage including leaning wood power poles along US 41 and SR 29 were due to a tornado. Time estimated by radar.” - Broward County, FL (near Miramar) · Tornado EF1
“NWS storm survey determined an area of enhanced tree damage along SW 172 Avenue between Memorial Hospital and Miramar Regional Park was the result of a tornado. Sections of trees were completely ripped apart.” - Broward County, FL (near Miramar) · Tornado EF1
“NWS storm survey determined a tornado in the Chapel Trail neighborhood near NW 196 Avenue north of Pines Boulevard. Several trees ripped apart with roof tile damage. Damage pattern suggested rotation. Time estimated via radar.” - El Paso County, CO (near Falcon) · Tornado EF0
“The two brief landspouts caused no known damage from which the NWS could assign an EF-scale rating.”
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 September 9, 2017
National Weather Service survey teams mapped 1 tornado path from this storm day (1 EFU), 0 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 |
|---|---|---|---|---|---|---|
| EFU | – | 0.3 mi | 50 yd | 0 / 0 | 20:45–20:49 UTC | NWS Pueblo |
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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