Storm reports for September 8, 2017

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology

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Other storms on September 8 →

On September 8, 2017, 7 hail, 9 damaging-wind and 0 tornado reports were logged across 3 states. The largest hail reported was 1.00″ (quarter size) in El Dorado County, CA.

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

Cities with hail reported within 5 miles

Hail reports (7)

Damage, injuries and deaths

National Weather Service offices recorded about $534,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (16 events in 3 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Imperial County, CA (near Calexico) · Thunderstorm wind 70 mph · $200,000
  “Very strong thunderstorms developed across the higher terrain of northern Baja during the early afternoon hours, and then moved north into south-central Imperial County. Some of the storms generated gusty and damaging microburst winds estimated to be as high as 70 mph.”
• Imperial County, CA (near Calipatria) · Thunderstorm wind 70 mph · $200,000
  “Thunderstorms developed across the central portion of Imperial County during the early afternoon hours and they moved quickly to the north, producing strong gusty and damaging outflow winds which impacted portions of the Imperial Valley as well as the town of Calipatria.”
• Yuma County, AZ (near El Pueblecito) · Thunderstorm wind 70 mph · $75,000
  “Scattered thunderstorms developed in the city of Yuma during the afternoon hours on September 8th, and one of the stronger storms produced gusty and damaging microburst winds estimated to be as high as 70 mph.”
• Yuma County, AZ (near El Pueblecito) · Thunderstorm wind 70 mph · $12,000
  “Scattered thunderstorms developed in the Yuma area during the afternoon hours on September 9th, and some of the stronger storms produced gusty and damaging microburst winds estimated to be as high as 70 mph.”
• Riverside County, CA (near (Trm)Thermal Arpt) · Thunderstorm wind 62 mph · $5,000
  “The ASOS at Jacqueline Cochran Regional Airport in Palm Springs reported a 62 mph wind gust between 1740 and 1746 PST. Multiple large trees and a fence were also toppled near the airport. Radar indicated the potential for additional severe gusts between 1730 and 1800 PST.”
• San Diego County, CA (near Ocotillo Wells) · Thunderstorm wind 60 mph
  “A state park ranger reported strong outflow winds from a thunderstorm with estimate peak gusts of 60 mph.”

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