Storm reports for August 12, 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 12 →

On August 12, 2015, 44 hail, 33 damaging-wind and 0 tornado reports were logged across 6 states. The largest hail reported was 4.25″ (grapefruit size) in Roseau County, MN.

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 (44)

Damage, injuries and deaths

National Weather Service offices recorded about $1,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (77 events in 6 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Val Verde County, TX (near Amistad Res East) · Thunderstorm wind 49 mph · $1,000
  “A thunderstorm produced wind gusts measured at 50 mph that blew some shingles off a roof near Lake Amistad.”
• Pennington County, MN (near High Lndg) · Thunderstorm wind 85 mph
  “Several grain bins sustained significant damage and large round hay bales were blown across a field. Several large tree branches and limbs were broken down in shelterbelts across Deer Park and Hickory townships.”
• Pennington County, MN (near Thief River Falls) · Thunderstorm wind 81 mph
  “A few trees were uprooted and numerous large branches were blown down around town. One small radio tower was bent over in the middle and a wooden billboard was blown down.”
• Clearwater County, MN (near Shevlin) · Thunderstorm wind 75 mph
  “Numerous pine trees were broken down around the area.”
• Caldwell County, TX (near Lockhart) · Thunderstorm wind 70 mph
  “A thunderstorm produced wind gusts estimated at 70 mph that tore a section of the roof off a feed plant, downed many large trees, and left 166 customers without power in Lockhart.”
• Clearwater County, MN (near Shevlin) · Thunderstorm wind 70 mph
  “Trees were blown down by the strong winds.”

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