Hail Swath Map Preview
The Detroit, MI 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, 41 public wind reports, and 0 nearby tornado reports listed for the August 11, 2021 event.
View the August 11, 2021 Detroit, MI 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 Detroit, MI Hail Map
The August 11, 2021 hail swath map for Detroit, MI covers approximately 1,010 square miles and includes an estimated 343,625 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 559 square miles. The highest estimated population exposure is in the < 0.50" hail band with 202,808 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 559 sq mi | 202,808 |
| 0.50-0.75" | 406 sq mi | 121,028 |
| 0.75-1.00" | 35 sq mi | 13,042 |
| 1.00-1.25" | 10 sq mi | 6,747 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 11, 2021 Detroit, MI hail event may have reached your area.
Housing Exposure Inside the Detroit, MI Hail Swath Map
Inside the August 11, 2021 hail swath map area for Detroit, MI, HailGeeks estimates 138,405 single-family homes, 12,869 townhomes, and 54,173 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 77,592 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 77,592 | 8,196 | 34,249 |
| 0.50-0.75" | 51,236 | 4,318 | 17,004 |
| 0.75-1.00" | 6,497 | 266 | 1,320 |
| 1.00-1.25" | 3,080 | 89 | 1,600 |
Use this table to review housing exposure by hail band for the August 11, 2021 Detroit, MI hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Detroit, MI Hail Map
Hail from the August 11, 2021 storm was mapped across 14 counties in the Detroit, MI region. Oakland County, MI had the strongest mapped signal, peaking at 1.00" with roughly 39,034 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 Detroit, MI Hail Map
Zooming in, the swath touched 19 cities near Detroit, MI. Keego Harbor, MI had the strongest mapped signal at 1.00", with an estimated 2,254 single-family homes exposed.
City cards show where the August 11, 2021 Detroit, MI 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 Detroit, MI Hail Swath Map
At the ZIP level, the August 11, 2021 Detroit, MI hail map spans 57 ZIP codes. ZIP 48328 shows the strongest local signal, with mapped hail estimates up to 1.00" and an estimated single-family-home exposure of 4,484.
Check your ZIP in seconds to see whether hail activity from the August 11, 2021 Detroit, MI event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the August 11, 2021 hail map for Detroit, MI currently list 0 public hail reports, 41 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 11, 2021 1:54 PM CT | 2 SSE Lyons | OH | LYONS-ROYALTON FIRE REPORTS WIRES DOWN. | |
August 11, 2021 2:00 PM CT | Delta | OH | WIRES DOWN ON CR 7. | |
August 11, 2021 2:03 PM CT | 2 SSW Lyons | OH | WIRES DOWN ON US 20 ROYALTON TOWNSHIP... OH. | |
August 11, 2021 2:06 PM CT | 2 NNW Swanton | OH | WIRES DOWN ON SR 64 AT CR K. FULTON TOWNSHIP. | |
August 11, 2021 2:06 PM CT | 1 NNW Swanton | OH | WIRES DOWN ON BROOKSIDE DRIVE. | |
August 11, 2021 2:08 PM CT | Hamburg | MI | REPORTS OF MULTIPLE TREES AND POWER LINES DOWN RELAYED VIA SOCIAL MEDIA. | |
August 11, 2021 2:08 PM CT | 2 WNW Milan | MI | NUMEROUS LARGE HEALTHY TREES UPROOTED AND DOWNED POWER LINES. | |
August 11, 2021 2:12 PM CT | 4 W Brighton | MI | LARGE TREE DOWN BLOCKING ROAD NEAR CHILSON AND COON LAKE RD...CORRECTED TO INCLUDE CROSSROADS | |
August 11, 2021 2:15 PM CT | 1 N Swanton | OH | TREE DOWN ON A HOUSE IN SWANTON OFF OF BROOKSIDE DRIVE. | |
August 11, 2021 2:15 PM CT | Hartland | MI | REPORTS FROM SEVERAL SOURCES OF NUMEROUS TREES DOWN NEAR HARTLAND. | |
August 11, 2021 2:17 PM CT | 5 S Dundee | MI | REPORTS OF NUMEROUS TREES AND POWER LINES DOWN. | |
August 11, 2021 2:17 PM CT | 2 SSW Milford | MI | REPORT OF LARGE TREE DOWN ON MILFORD RD NEAR ENTRANCE TO KENSINGTON METROPARK. | |
August 11, 2021 2:21 PM CT | Ida | MI | TREE LINE FLATTENED. REPORTS OF OVER 40 TREES DOWN IN THE AREA VIA DISPATCH. | |
August 11, 2021 2:26 PM CT | 2 NW Holland | OH | LIVE 18 INCH DIAMETER LIMB DOWN. | |
August 11, 2021 2:27 PM CT | Linden | MI | REPORTED NUMEROUS TREES DOWN. | |
August 11, 2021 2:28 PM CT | 3 NNW Northwood | OH | LARGE TREE DOWN NEAR INTERSECTION OF SPRING GROVE AND GREENWOOD ROADS. | |
August 11, 2021 2:30 PM CT | Highland | MI | REPORT OF MULTIPLE WIRES AND TREES DOWN THROUGHOUT HIGHLAND TOWNSHIP. | |
August 11, 2021 2:30 PM CT | Monroe | MI | SEVERAL LARGE TREE LIMBS DOWN AND SOME LARGE TREES UPROOTED. REPORTS RELAYED VIA SOCIAL MEDIA PHOTOS. | |
August 11, 2021 2:30 PM CT | 5 SSW Romulus | MI | LARGE TREE OVER 1.5 FOOT DIAMETER DOWN ON POWER LINE. | |
August 11, 2021 2:30 PM CT | 4 E Fenton | MI | SEVERAL 10-12 INCH DIAMETER TREE LIMBS DOWN. | |
August 11, 2021 2:39 PM CT | Burton | MI | DISPATCH REPORTS RECEIVING SEVERAL DOZEN CALLS OF TREES AND POWER LINES DOWN... MAINLY SOUTH OF THE I-69 CORRIDOR. | |
August 11, 2021 2:43 PM CT | Berkley | MI | REPORTS FROM SEVERAL SOURCES OF TREES AND POWER LINES DOWN NEAR BERKLEY. | |
August 11, 2021 2:43 PM CT | Wyandotte | MI | LARGE TREE ACROSS ROAD NEAR HENRY FORD HOSPITAL IN WYANDOTTE. | |
August 11, 2021 2:44 PM CT | Auburn Hills | MI | LARGE TREE DOWN IN BACKYARD. | |
August 11, 2021 2:49 PM CT | 3 NNE Ottawa Hills | OH | 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. | |
August 11, 2021 2:58 PM CT | 10 NW Marblehead | OH | NUMEROUS TREES AND POWERLINES DOWN ACROSS SOUTH BASS ISLAND. | |
August 11, 2021 3:02 PM CT | 4 NNE Ottawa Hills | OH | LARGE TREE DOWN. | |
August 11, 2021 3:10 PM CT | 2 NE Rossford | OH | DAMAGE TO BUILDING ROOF. | |
August 11, 2021 9:48 PM CT | Flushing | MI | MULTIPLE TREE UPROOTED AND LARGE TREE LIMBS DOWN. | |
August 12, 2021 5:47 AM CT | 2 W Manchester | MI | POWER LINES DOWN OVER THE ROADWAY. | |
August 11, 2021 2:01 PM CT | 70 mph | 5 NNE Britton | MI | ESTIMATED 70 MPH WINDS. TREES DOWN OVER ONE FOOT DIAMETER. |
August 11, 2021 2:13 PM CT | 58 mph | 4 S Ann Arbor | MI | MEASURED AT KARB. |
August 11, 2021 2:23 PM CT | 60 mph | 5 SSW Canton | MI | MEASURED AT DETROIT WILLOW RUN AIRPORT. |
August 11, 2021 2:26 PM CT | 72 mph | 2 WNW Rossford | OH | No National Weather Service description provided. |
August 11, 2021 2:42 PM CT | 60 mph | 1 E Ortonville | MI | COUNTY OFFICIAL ESTIMATES 60 MPH GUST. |
August 11, 2021 2:44 PM CT | 63 mph | 2 ENE Romulus | MI | MEASURED AT DETROIT METRO AIRPORT...CORRECTED AS TSTM WIND GST. |
August 11, 2021 2:50 PM CT | 66 mph | 9 ENE Oregon | OH | MESONET STATION TWCO1 8 ENE OREGON. 57 KNOT PEAK WIND. |
August 11, 2021 2:53 PM CT | 60 mph | ESE Oxford | MI | MEASURED VIA MESONET. |
August 11, 2021 3:00 PM CT | 75 mph | 2 E Mount Clemens | MI | MEASURED AT SELFRIDGE AIR NATIONAL GUARD BASE. |
August 11, 2021 3:01 PM CT | 59 mph | 2 S Grosse Pointe | MI | MEASURED AT PECHE ISLAND LIGHT. |
August 11, 2021 3:22 PM CT | 67 mph | 6 N Marblehead | OH | *DELAYED REPORT* PERSONAL WEATHER STATION. |
| 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 11, 2021 Detroit, MI storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Detroit, MI Region
We found 6 more hail maps with reports from the same Detroit, MI region as the August 11, 2021 event. These related maps cover storm dates from Jul 8, 2021 through Aug 10, 2021, with mapped hail estimates ranging from 0.75" to 3.25". In this set, the strongest related map reached 3.25", and the most recent map shown is from Aug 10, 2021.
If none of these related Detroit, MI 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 Detroit, MI region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Detroit, MI
Not sure whether the August 11, 2021 Detroit, MI 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 Detroit, MI 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 11, 2021 Detroit, MI event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Detroit, MI 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 11, 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 11, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Detroit, MI 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 11, 2021 Detroit, MI hail event.