Storm reports for July 21, 2024

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports; NOAA MRMS radar hail estimates (MESH) via the Iowa Environmental Mesonet; 2020 Census housing units. Data through November 6, 2026. Methodology

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Other storms on July 21 →

On July 21, 2024, 2 hail, 29 damaging-wind and 1 tornado reports were logged across 10 states. The largest hail reported was 1.00″ (quarter size) in Calloway County, KY. Radar estimated hail of 1 inch or larger over 336 square miles containing about 3,300 homes.

Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Colored areas are NOAA MRMS radar estimates of the largest hail (MESH) over the day, lower 48 states only; radar overestimates and underestimates size, so read it with the ground reports.

Storm reports by state

Cities with the largest radar-estimated hail

Counties by homes inside 1″+ radar-estimated hail

Homes are 2020 Census housing units and people are 2020 Census residents, counted by block group where its center of population lies under radar-estimated hail of 1 inch or larger.

Hail reports (2)

Damage, injuries and deaths

National Weather Service offices recorded about $224,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (32 events in 10 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Maricopa County, AZ (near New River) · Thunderstorm wind 58 mph · $100,000
  “Strong winds from an incoming thunderstorm complex resulted in high waves along Lake Pleasant. The high waves caused dozens of boats to sink and/or get breached. Maricopa County Sheriff's Office had to rescue about 30 people as a result. No injuries were reported.”
• Calloway County, KY (near Wadesboro) · Thunderstorm wind 75 mph · $65,000
  “As a thunderstorm drifted northward in Calloway County, a roof was completely blown off of a concrete building on Ingram Lane. A residence on Crestview Ln had substantial tree damage. A pole barn was destroyed west of Dexter.”
• Calloway County, KY (near Murray) · Thunderstorm wind 64 mph · $15,000
  “A tree was blown down onto a car with a person inside on Robertson Rd in Murray.”
• Pinal County, AZ (near Stanfield) · Thunderstorm wind 58 mph · $15,000
  “Approximately 15 downed power poles were reported in multiple areas along Stanfield. Wind gusts were estimated at between 55-60 mph. Timing estimated from radar. No injuries were reported.”
• Pima County, AZ (near Drexel Hgts) · Thunderstorm wind 63 mph · $10,000
  “Wind damage in the Drexel Heights area. Specifically, reports of damage to a few manufactured homes near Valencia Rd and Cardinal Ave.”
• Pima County, AZ (near Vail) · Thunderstorm wind 58 mph · $5,000
  “Several trees down in Rita Ranch due to strong thunderstorm 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