Storm reports for August 31, 2015

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 August 31 →

On August 31, 2015, 1 hail, 18 damaging-wind and 0 tornado reports were logged across 2 states. The largest hail reported was 0.75″ (penny size) in Maricopa County, AZ.

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

Hail reports (1)

Damage, injuries and deaths

National Weather Service offices recorded about $806,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (19 events in 2 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Maricopa County, AZ (near Tempe) · Thunderstorm wind 75 mph · $400,000
  “Strong thunderstorms developed across portions of the greater Phoenix metropolitan area, including the community of Tempe, during the evening hours on August 31st.”
• Maricopa County, AZ (near Phoenix) · Thunderstorm wind 64 mph · $140,000
  “Scattered thunderstorms moved across the central portion of the greater Phoenix metropolitan area during the evening hours on August 31st, and some of the stronger storms produced gusty and damaging outflow winds which produced damage in the vicinity of the Arizona State Fairgrounds.”
• Marion County, AR (near Bull Shoals Lake Wes) · Thunderstorm wind 60 mph · $50,000
  “Some docks were damaged near Blue Water Resort on Bull Shoals Lake.”
• Pima County, AZ (near Oro Vly) · Thunderstorm wind 64 mph · $10,000
  “Thunderstorm winds uprooted and knocked over a 40 foot tree that fell onto a home near Oracle Rd and 1st Ave in Oro Valley. Several other trees were blown over in Oro Valley.”
• Pima County, AZ (near Casas Adobes) · Thunderstorm wind 58 mph · $10,000
  “Thunderstorm winds downed multiple trees along Sunrise Road between Swan and Via Palomita. Several trees were also blown over at the Quail Ridge Apartment complex, and part of a carport was damaged.”
• Van Buren County, AR (near Bee Branch) · Thunderstorm wind 60 mph · $1,000
  “A flag pole and a tree were blown down by thunderstorm winds. The observer also measured 2.40 inches of rain in less than an hour.”

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