Hail Swath Map Preview
The Washington, DC hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 0.75". There are 0 public hail reports, 6 public wind reports, and 0 nearby tornado reports listed for the August 9, 2021 event.
View the August 9, 2021 Washington, DC hail event on the free interactive hail map, then check a free Hail Report by ZIP to see a more local hail signal for your area.
Impact Area and Population for the Washington, DC Hail Map
The August 9, 2021 hail swath map for Washington, DC covers approximately 83 square miles and includes an estimated 156,014 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 46 square miles. The highest estimated population exposure is in the < 0.50" hail band with 92,633 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 46 sq mi | 92,633 |
| 0.50-0.75" | 31 sq mi | 62,478 |
| 0.75-1.00" | 6 sq mi | 903 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 9, 2021 Washington, DC hail event may have reached your area.
Housing Exposure Inside the Washington, DC Hail Swath Map
Inside the August 9, 2021 hail swath map area for Washington, DC, HailGeeks estimates 33,940 single-family homes, 6,728 townhomes, and 32,674 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 20,402 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 20,402 | 4,590 | 20,734 |
| 0.50-0.75" | 13,089 | 2,138 | 11,938 |
| 0.75-1.00" | 449 | 0 | 2 |
Use this table to review housing exposure by hail band for the August 9, 2021 Washington, DC hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Washington, DC Hail Map
Hail from the August 9, 2021 storm was mapped across 3 counties in the Washington, DC region. Anne Arundel County, MD had the strongest mapped signal, peaking at 0.75" with roughly 2,254 single-family homes inside the swath.
County pages group every mapped hail event in the area. For a closer look, drop to the city or ZIP level below, or run a free Hail Report by Address.
Cities Inside the Washington, DC Hail Map
Zooming in, the swath touched 23 cities near Washington, DC. New Carrollton, MD had the strongest mapped signal at 0.50", with an estimated 3,688 single-family homes exposed.
City cards show where the August 9, 2021 Washington, DC hail activity was mapped, but your ZIP can show a closer local signal. Get a free Hail Report by ZIP, and if the signal looks meaningful, ask a local pro about a Remote Hail Inspection to see whether an on-site roof or exterior review may be worth scheduling.
ZIP Codes Inside the Washington, DC Hail Swath Map
At the ZIP level, the August 9, 2021 Washington, DC hail map spans 20 ZIP codes. ZIP 20778 shows the strongest local signal, with mapped hail estimates up to 0.75" and an estimated single-family-home exposure of 627.
Check your ZIP in seconds to see whether hail activity from the August 9, 2021 Washington, DC event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the August 9, 2021 hail map for Washington, DC currently list 0 public hail reports, 6 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
| No public hail reports are available for this event. | ||||
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
August 9, 2021 5:24 PM CT | 2 NNE Silver Spring | MD | POWERLINE WIRES DOWN ON THE 1900 BLOCK OF AUGUSTA DRIVE | |
August 9, 2021 5:33 PM CT | Greenbelt | MD | TREE DOWN NEAR THE INTERSECTION OF I-495 AFTER MD-450 AND ANNAPOLIS ROAD | |
August 9, 2021 5:33 PM CT | Greenbelt | MD | SEVERAL TREES BLEW DOWN IN THE GREENBELT AREA. A TREE BLEW DOWN NEAR THE I-95/I-495 CAPITAL BELTWAY/MD-450 ANNAPOLIS ROAD INTERCHANGE. A TREE BLEW DOWN ONTO NORTHBOUND I-95/I-495 CAPITAL BELTWAY OUTER LOOP AT EXIT 22A/MD-295 BALTIMORE-WASHINGTON PARKWAY. A TREE BLEW DOWN ON NORTHBOUND MD-295 BALTIMORE-WASHINGTON PARKWAY NEAR I-95/I-495 CAPITAL BELTWAY. A TREE BLEW DOWN ON NORTHBOUND MD-295 BALTIMORE-WASHINGTON PARKWAY AT GOOD LUCK ROAD. A TREE BLEW DOWN ON NORTHBOUND MD-295 BALTIMORE-WASHINGTON | |
August 9, 2021 5:35 PM CT | 1 SSW Brentwood | DC | TREE DOWN ON THE 3000 BLOCK OF WALNUT STREET NE | |
August 9, 2021 5:51 PM CT | 4 SSW Londontowne | MD | SEVERAL TREES BLEW DOWN NORTHWEST OF GALESVILLE... INCLUDING NEAR THE INTERSECTION OF MD-2 SOLOMONS ISLAND ROAD AND MILL SWAMP ROAD. | |
August 9, 2021 6:28 PM CT | 2 NNE Silver Spring | MD | SEVERAL TREES AND POWER LINES BLEW DOWN IN THE BETHESDA AND SILVER SPRING AREA. POWER LINES BLEW DOWN IN THE 1900 BLOCK OF AUGUST DRIVE. A TREE BLEW DOWN ON SOUTHBOUND I-270 WASHINGTON NATIONAL PIKE BEFORE MD-355 ROCKVILLE PIKE. A TREE BLEW DOWN ON SOUTHBOUND I-270 WASHINGTON NATIONAL PIKE PAST EXIT 1/MD-187 OLD GEORGETOWN ROAD. A TREE BLEW DOWN ON WESTBOUND I-495 CAPITAL BELTWAY OUTER LOOP AT EXIT 36/MD-187 OLD GEORGETOWN ROAD. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
| No public tornado reports are available for this event. | ||||
This table includes only public storm reports connected to the August 9, 2021 Washington, DC storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Washington, DC Region
We found 6 more hail maps with reports from the same Washington, DC region as the August 9, 2021 event. These related maps cover storm dates from Jul 17, 2021 through Jul 29, 2021, with mapped hail estimates ranging from 0.75" to 4.00". In this set, the strongest related map reached 4.00", and the most recent map shown is from Jul 29, 2021.
If none of these related Washington, DC hail maps look close enough to your property, check a free Hail Report by Address. It reviews hail history for a specific location — not just the broader Washington, DC region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Washington, DC
Not sure whether the August 9, 2021 Washington, DC hail map matters for your property? Start with a free Hail Report by Address to see whether hail activity was mapped for that property. If the property signal looks meaningful, you can choose a local pro serving the Washington, DC region and ask about a Remote Hail Inspection before deciding whether an on-site roof or exterior review is worth scheduling.
Check a specific property to see whether hail activity from the August 9, 2021 Washington, DC event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Washington, DC region who can help you understand what the property hail signal may mean.
A participating local pro reviews property-level hail history remotely — not just the August 9, 2021 event — to help decide whether an on-site inspection may be worth scheduling.
A free Hail Report by Address and a Remote Hail Inspection can help you look beyond the August 9, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Washington, DC region, but they can help you make a more informed next decision before anyone climbs on the roof.
Frequently Asked Questions
Common questions about the August 9, 2021 Washington, DC hail event.