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 1.00". There are 0 public hail reports, 10 public wind reports, and 0 nearby tornado reports listed for the September 15, 2021 event.
View the September 15, 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 September 15, 2021 hail swath map for Washington, DC covers approximately 237 square miles and includes an estimated 123,531 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 109 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 55,765 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 98 sq mi | 45,148 |
| 0.50-0.75" | 109 sq mi | 55,765 |
| 0.75-1.00" | 25 sq mi | 21,950 |
| 1.00-1.25" | 4 sq mi | 668 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the September 15, 2021 Washington, DC hail event may have reached your area.
Housing Exposure Inside the Washington, DC Hail Swath Map
Inside the September 15, 2021 hail swath map area for Washington, DC, HailGeeks estimates 37,036 single-family homes, 15,124 townhomes, and 16,384 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 17,943 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 13,190 | 5,929 | 5,429 |
| 0.50-0.75" | 17,943 | 6,473 | 5,455 |
| 0.75-1.00" | 5,553 | 2,716 | 5,480 |
| 1.00-1.25" | 350 | 6 | 20 |
Use this table to review housing exposure by hail band for the September 15, 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 September 15, 2021 storm was mapped across 6 counties in the Washington, DC region. Washington County, MD had the strongest mapped signal, peaking at 1.00" with roughly 23,802 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 29 cities near Washington, DC. Robinwood, MD had the strongest mapped signal at 1.00", with an estimated 1,532 single-family homes exposed.
City cards show where the September 15, 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 September 15, 2021 Washington, DC hail map spans 18 ZIP codes. ZIP 21742 shows the strongest local signal, with mapped hail estimates up to 1.00" and an estimated single-family-home exposure of 6,727.
Check your ZIP in seconds to see whether hail activity from the September 15, 2021 Washington, DC event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the September 15, 2021 hail map for Washington, DC currently list 0 public hail reports, 10 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 |
|---|---|---|---|---|
September 15, 2021 4:25 PM CT | Leitersburg | MD | MULTIPLE TREES AND WIRES DOWN IN AND NEAR LEITERSBURG. | |
September 15, 2021 4:27 PM CT | 2 NE Bridgeport | MD | TREE DOWN ON CLOPPER ROAD NEAR OLD FORGE ROAD. | |
September 15, 2021 4:31 PM CT | 1 SSW Leitersburg | MD | TREE DOWN ON LITTLE ANTIETAM ROAD NEAR WINDING CREEK ROAD. | |
September 15, 2021 4:59 PM CT | Smithsburg | MD | MULTIPLE TREES AND WIRES DOWN IN AND NEAR SMITHSBURG. | |
September 15, 2021 5:45 PM CT | 3 SSW Smithsburg | MD | TREE DOWN ON MAPLEVILLE ROAD NEAR CHEWSVILLE ROAD. | |
September 15, 2021 6:03 PM CT | 2 NNE Wolfsville | MD | SEVERAL WIRES AND BRANCHES DOWN NEAR FOREST SCHOOL ROAD. | |
September 15, 2021 6:07 PM CT | Frederick | MD | TREE DOWN ON LOY WOLFE ROAD NEAR PLEASANT WALK ROAD. | |
September 15, 2021 8:40 PM CT | 1 SSW Pylesville | MD | A COUPLE OF TREES AND BRANCHES WERE BLOWN DOWN NEAR STREET. | |
September 15, 2021 9:30 PM CT | Aberdeen | MD | MINOR TREE DAMAGE WAS REPORTED IN ABERDEEN. | |
September 15, 2021 9:38 PM CT | 63 mph | 2 E Perryman | MD | No National Weather Service description provided. |
| 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 September 15, 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 September 15, 2021 event. These related maps cover storm dates from Aug 26, 2021 through Sep 8, 2021, with mapped hail estimates ranging from 0.75" to 1.25". In this set, the strongest related map reached 1.25", and the most recent map shown is from Sep 8, 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 September 15, 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 September 15, 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 September 15, 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 September 15, 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 September 15, 2021 Washington, DC hail event.