Storm reports for April 21, 2020

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

← Apr 20, 2020 All 2020 storm days · April 2020 Apr 22, 2020 →

Other storms on April 21 →

On April 21, 2020, 81 hail, 72 damaging-wind and 3 tornado reports were logged across 11 states. The largest hail reported was 3.00″ (teacup size) in Comanche County, OK. Radar estimated hail of 1 inch or larger over 3,272 square miles containing about 41,000 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 (81)

Damage, injuries and deaths

National Weather Service offices recorded about $1.1 million in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (157 events in 11 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Johnston County, OK (near Milburn) · Hail 2.00″ · $1 million
  “Extensive damage reported to Milburn School, along with vehicle and home damage between Milburn and Tishimingo.”
• Stephens County, OK (near Marlow) · Tornado EF1 · $75,000
  “A tornado developed just northwest of the city limits of Marlow and moved east-southeast into far northern portions of the city of Marlow. Near the beginning of the tornado, numerous buildings on a farm on the north side of Ballpark Road were heavily damaged, including most of the roof off of a…”
• Grady County, OK (near Acme) · Tornado EF1 · $50,000
  “This tornado moved east from Comanche County into Grady County. Immediately upon moving into Grady County, a mobile home was struck and heavily damaged on the east side of County Road 2750 (which is the county line). No other damage is known to have occurred.”
• Worcester County, MD (near Ocean Pines) · Thunderstorm wind 58 mph · $5,000
  “Tree was downed on a house in Ocean Pines.”
• Essex County, NJ (near Belwood Park) · Thunderstorm wind 60 mph · $1,000
  “NJ 511 reports a tree down on the Garden State Parkway southbound, south of Exit 149.”
• Ocean County, NJ (near Toms River) · Thunderstorm wind 75 mph
  “Considerable damage occurred in Toms River with numerous reports of downed trees and power lines and some property damage. There were several reports and some videos of what appeared to be gustnadoes in the area, with the actual damage caused by the strong winds associated with the squall line…”

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