Storm reports for September 20, 2017

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

← Sep 19, 2017 All 2017 storm days · September 2017 Sep 21, 2017 →

Other storms on September 20 →

On September 20, 2017, 19 hail, 8 damaging-wind and 0 tornado reports were logged across 6 states. The largest hail reported was 2.00″ (hen egg size) in Portage County, WI.

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 (19)

Damage, injuries and deaths

National Weather Service offices recorded 27 hail, wind or tornado events across the US on this storm day, with no damage estimate, injury or death entered. Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Irion County, TX (near Sherwood) · Thunderstorm wind 74 mph
  “The West Texas Mesonet near Mertzon measured a 64 knot wind gust.”
• Shackelford County, TX (near Albany) · Thunderstorm wind 70 mph
  “Law enforcement officials reported damaging thunderstorm winds blew tree limbs down and caused some roof damage in Albany. The thunderstorm winds also damaged a door at the courthouse.”
• Baylor County, TX (near Seymour) · Thunderstorm wind 60 mph
  “Law enforcement estimated winds near 60 mph.”
• Taylor County, TX (near Lawn) · Thunderstorm wind 60 mph
  “A trained spotter estimated 60 mph winds associated with a microburst thunderstorm near Lawn.”
• Scott County, IA (near Davenport) · Thunderstorm wind 60 mph
  “A local state official reported a large tree down on Kirkwood Blvd. Time of the event was estimated using radar.”
• Irion County, TX (near Sherwood) · Thunderstorm wind 60 mph
  “A trained spotter reported minor tree damage.”

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