Storm reports for April 21, 2017

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 April 21 →

On April 21, 2017, 81 hail, 62 damaging-wind and 1 tornado reports were logged across 7 states. The largest hail reported was 2.75″ (baseball size) in Cooke County, TX.

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 (81)

Damage, injuries and deaths

National Weather Service offices recorded about $1.4 million in property damage, $50,000 in crop damage and 1 injury from hail, thunderstorm wind and tornadoes across the US on this storm day (144 events in 7 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Montgomery County, MD (near Takoma Park) · Thunderstorm wind 60 mph · 1 injury
  “A half dozen large trees were uprooted along the 800 Block of Jackson Avenue. One injury was reported.”
• Collin County, TX (near Fairview) · Hail 2.50″ · $200,000
  “Storm Spotter reported tennis ball size hail near highway 121 and US 75.”
• Dallas County, TX (near Richardson) · Hail 2.00″ · $200,000
  “Trained spotter reported egg size hail 2 miles NNW of Richardson.”
• Collin County, TX (near Celina) · Hail 2.50″ · $120,000
  “A social media user reported 2.50 inch hail near Prosper/Celina area.”
• Cooke County, TX (near Gainesville) · Hail 2.75″ · $80,000
  “A social media report indicated baseball sized hail in the city of Gainesville, TX.”
• Cooke County, TX (near Gainesville) · Hail 2.75″ · $80,000
  “Baseball sized hail was reported on I-35 on the south side of Gainesville.”

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