Storm reports for July 6, 2020

Numbers you can quote

On July 6, 2020, about 334,000 homes were inside radar-estimated hail of 1 inch or larger across 39 counties; the most were in Montgomery County, PA (about 40,400).

• About 40,400 homes in Montgomery County, PA, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image
• About 37,800 homes in Bucks County, PA, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image
• About 37,300 homes in Middlesex County, NJ, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image

7 more counties

• About 35,200 homes in Bergen County, NJ, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image
• About 29,000 homes in Philadelphia County, PA, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image
• About 24,900 homes in Mercer County, NJ, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image
• About 19,400 homes in Prince George's County, MD, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image
• About 18,500 homes in Baltimore County, MD, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image
• About 16,400 homes in Chester County, PA, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image
• About 14,800 homes in Pennington County, SD, were inside radar-estimated hail of 1 inch or larger on July 6, 2020. Swath image

And 2 more counties with 10,000+ homes inside the swath, in the county table below.

Homes are 2020 Census housing units in block groups whose center of population lay inside NOAA MRMS radar-estimated hail (MESH) of 1 inch or larger during the storm day (7 a.m. to 7 a.m. Eastern). These are radar estimates of hail size, not damage counts. More same-day numbers

Cite: National Storms. “Storm reports for July 6, 2020.” https://nationalstorms.com/storms/2020-07-06/. Data through November 6, 2026. License: CC BY 4.0.

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 6 →

Major hail storm: Perth Amboy, NJ hail storm of July 6, 2020 →

On July 6, 2020, 146 hail, 243 damaging-wind and 3 tornado reports were logged across 18 states. The largest hail reported was 2.75″ (baseball size) in Hanson County, SD. Radar estimated hail of 1 inch or larger over 3,585 square miles containing about 330,000 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 (146)

Damage, injuries and deaths

National Weather Service offices recorded about $539,000 in property damage and $1.6 million in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (392 events in 18 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• District of Columbia, DC (near Benning) · Thunderstorm wind 75 mph · $100,000
  “Numerous trees were blown down throughout Southeast DC, including in the Lincoln Heights neighborhood. Minor structural damage (i.e. siding, shingles) was reported, as well.”
• Jefferson County, WV (near Charles Town Arpt) · Thunderstorm wind 75 mph · $50,000
  “Numerous trees and power lines were blown down in Shenandoah Junction, mainly along Daniels Road and Shenandoah Junction Road. Some trees were snapped.”
• Baltimore County, MD (near Baltimore Martin St) · Thunderstorm wind 75 mph · $50,000
  “Parts of the roof on the helicopter hangar at Martin State Regional Airport were damaged.”
• Yankton County, SD (near Mission Hill) · Thunderstorm wind 70 mph · $30,000
  “While dime size hail and winds to around 60 mph occurred in Mission Hill, it was part of a 3 mile wide swath of more significant wind-driven hail from around 4 miles north northwest of Mission Hill to a mile south of Mission Hill.”
• Baltimore County, MD (near (Mtn)Martin Arpt Bal) · Thunderstorm wind 69 mph · $20,000
  “Numerous trees and wires were blown down in the 1300 to 1700 block of Wilson Point Road.”
• Prince George's County, MD (near Upper Marlboro) · Thunderstorm wind 58 mph · $20,000
  “Trees were blown down in Upper Marlboro, including one onto a house.”

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