Storm reports for August 13, 2021

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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On August 13, 2021, 12 hail, 300 damaging-wind and 1 tornado reports were logged across 23 states. The largest hail reported was 1.75″ (golf ball size) in Fairfax County, VA. Radar estimated hail of 1 inch or larger over 502 square miles containing about 44,000 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 (12)

Damage, injuries and deaths

National Weather Service offices recorded about $1.7 million in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (313 events in 23 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Baltimore city, MD (near Leahigh) · Thunderstorm wind 69 mph · $500,000
  “A few hundred trees blew down throughout the City of Baltimore. A large tree and several branches were blown down near the intersection of Biltmore Avenue and Pinkey Road.”
• Maricopa County, AZ (near Phoenix Turf Arpt) · Thunderstorm wind 60 mph · $80,000
  “Multiple large trees were blown over due to strong winds at Latitude Apartment Complex near 19th Avenue and Thunderbird Road. One tree fell on a second story unit, causing unknown damage.”
• Kanawha County, WV (near Wallace) · Thunderstorm wind 58 mph · $75,000
  “A tree was blown down onto a trailer and a car near the Wallace community.”
• La Paz County, AZ (near Harcuvar) · Thunderstorm wind 75 mph · $70,000
  “Five metal transmission towers were knocked over in severe straight line winds. Winds were estimated around 70 to 80 mph based on the damage. Timing estimated from radar. No injuries were reported.”
• Fauquier County, VA (near Midland Warrenton Ar) · Thunderstorm wind 74 mph · $50,000
  “Wind gusts of up to 64 knots (74 MPH) were measured by the AWOS at Warrenton Airport. Numerous large trees several feet in diameter were uprooted with other trees and large branches toppled and snapped in the area, including near the intersection of VA-610 Midland Road and Airport Road.”
• Loudoun County, VA (near Broad Run Farms) · Thunderstorm wind 63 mph · $50,000
  “Large trees, branches, and wires were down near the Northern Virginia Community College - Loudoun Campus. Poles and traffic light stands were brought down near the intersection of VA-7 Harry Byrd Highway and Campus Drive.”

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