Storm reports for August 17, 2019

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 17 →

On August 17, 2019, 85 hail, 234 damaging-wind and 8 tornado reports were logged across 22 states. The largest hail reported was 2.00″ (hen egg size) in Mellette County, SD.

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 (85)

Damage, injuries and deaths

National Weather Service offices recorded about $1.7 million in property damage, $0 in crop damage and 1 injury from hail, thunderstorm wind and tornadoes across the US on this storm day (327 events in 22 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Jefferson County, PA (near Kahletown) · Thunderstorm wind 58 mph · $2,000 · 1 injury
  “County 911 officials stated that a tree fell on to a moving vehicle on Moore Bridge Road near Route 36. The driver was injured by shattered glass from the tree hitting the car.”
• Dickinson County, IA (near Okoboji) · Thunderstorm wind 93 mph · $250,000
  “A widespread swath of wind damage occurred from the eastern shores of West Okoboji Lake to the eastern shore of East Okoboji Lake. Areas near West Lake Okoboji featured limb and minor building damage with wind speeds of 65 to 75 mph.”
• Murray County, MN (near Hadley) · Tornado EF1 · $200,000
  “The tornado formed around 2 miles west-southwest of Hadley, moving northeast through a farmstead shortly after touchdown and damaging trees and partially removing a roof from a metal outbuilding.”
• Lyon County, IA (near Loster) · Tornado EF1 · $200,000
  “A tornado touched down 5 miles west of Rock Rapids, just east of Fig Avenue north of 160th Street, marked by damage to a corn field. The tornado traveled in a general east-southeast direction, striking a farmstead and flattening a silo within the first half-mile of its track.”
• Osceola County, IA (near Sibley Muni Arpt) · Thunderstorm wind 85 mph · $100,000
  “Severe damage done to several grain bins. The bolts holding the empty bins in place were broken off and the bins were lifted or shifted from their original position. The top collapsed on the northwest side of the empty bins.”
• Moody County, SD (near Flandreau Muni Arpt) · Thunderstorm wind 75 mph · $100,000
  “Thunderstorm outflow caused significant damage to farm outbuildings.”

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