Storm reports for September 10, 2011

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 10 →

On September 10, 2011, 7 hail, 12 damaging-wind and 0 tornado reports were logged across 4 states. The largest hail reported was 1.25″ (half dollar size) in Los Angeles 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 $657,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (19 events in 4 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Pima County, AZ (near (Tus)Tucson Intl Arp) · Thunderstorm wind 66 mph · $500,000
  “Strong thunderstorm winds occurred on Tucson's south side for the second day in a row, downing numerous power poles, electric lines, street signs, and trees. As many as 25,000 were left without power.”
• Maricopa County, AZ (near Golden Hills) · Thunderstorm wind 69 mph · $50,000
  “Scattered thunderstorms with strong damaging winds moved across eastern portions of the greater Phoenix area during the evening hours on September 10th.”
• Pinal County, AZ (near Florence) · Thunderstorm wind 63 mph · $30,000
  “Thunderstorms with damaging microburst winds moved across the Florence area during the evening hours on September 10th. A trained weather spotter in northeast Florence reported roof damage to several carports. Winds were estimated to be in excess of 50 knots.”
• Maricopa County, AZ (near Buckhorn) · Thunderstorm wind 69 mph · $25,000
  “Scattered thunderstorms with strong and damaging winds moved across the eastern portions of the greater Phoenix area during the evening hours on September 10th.”
• Pima County, AZ (near Sabino) · Thunderstorm wind 60 mph · $5,000
  “Thunderstorm winds downed several trees in the Catalina Foothills. A large mesquite tree blocked the road at Rudasil and Tiburon Roads.”
• Valley County, ID (near Mc Call) · Thunderstorm wind 69 mph
  “A trained spotter and other sources reported at least three, two feet in diameter trees were blown down at the north end of Payette Lake.”

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