Storm reports for April 21, 2004

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, 2004, 236 hail, 31 damaging-wind and 5 tornado reports were logged across 9 states. The largest hail reported was 3.00″ (teacup size) in Canadian County, OK.

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 (236)

Damage, injuries and deaths

National Weather Service offices recorded about $3.1 million in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (275 events in 10 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Oklahoma County, OK (near Nichols Hills) · Hail 1.00″ · $3 million
  “Quarter size hail was observed at the corner of Grand Boulevard and Nichols Road. As the storm continued northeastward to Britton Road hail up to the size of quarters were observed with hail on the ground ranging from 3 inches to as much as 2 feet deep.”
• Creek County, OK (near Silver City) · Thunderstorm wind 81 mph · $50,000
  “Thunderstorm winds estimated at 80 miles an hour destroyed two mobile homes and uprooted several trees.”
• Creek County, OK (near Mannford) · Tornado F1 · $50,000
  “A F1 tornado occurred from just southwest of Mannford to just south of Mannford. The tornado damaged a few homes and several outbuildings and barns. It also uprooted some trees.”
• Garfield County, OK (near Enid) · Thunderstorm wind 70 mph · $20,000
  “Strong straight-line winds caused a mile wide swath of damage in the western business district of Enid along Highway 412, west of Highway 81. The roof was damaged at the Homeland grocery store and at Stevens Ford Dealership. Large metal power poles were also downed.”
• Sebastian County, AR (near Midland) · Thunderstorm wind 70 mph · $5,000
  “Thunderstorm winds estimated at 70 miles an hour blew a trailer house over and blew down numerous large tree limbs.”
• Haskell County, OK (near Whitefield) · Thunderstorm wind 60 mph · $1,000
  “Thunderstorm winds estimated at 60 miles an hour blew tree limbs and power lines down.”

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