Hail Swath Map Preview
The Ann Arbor, MI 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, 11 public wind reports, and 0 nearby tornado reports listed for the August 12, 2021 event.
View the August 12, 2021 Ann Arbor, 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 Ann Arbor, MI Hail Map
The August 12, 2021 hail swath map for Ann Arbor, MI covers approximately 227 square miles and includes an estimated 48,644 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 136 square miles. The highest estimated population exposure is in the < 0.50" hail band with 34,019 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 136 sq mi | 34,019 |
| 0.50-0.75" | 83 sq mi | 14,396 |
| 0.75-1.00" | 8 sq mi | 229 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 12, 2021 Ann Arbor, MI hail event may have reached your area.
Housing Exposure Inside the Ann Arbor, MI Hail Swath Map
Inside the August 12, 2021 hail swath map area for Ann Arbor, MI, HailGeeks estimates 27,235 single-family homes, 1,222 townhomes, and 8,415 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 18,498 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 18,498 | 869 | 5,272 |
| 0.50-0.75" | 8,621 | 351 | 3,141 |
| 0.75-1.00" | 116 | 2 | 2 |
Use this table to review housing exposure by hail band for the August 12, 2021 Ann Arbor, MI hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Ann Arbor, MI Hail Map
Hail from the August 12, 2021 storm was mapped across 6 counties in the Ann Arbor, MI region. Monroe County, MI had the strongest mapped signal, peaking at 0.75" with roughly 3,216 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 Ann Arbor, MI Hail Map
Zooming in, the swath touched 5 cities near Ann Arbor, MI. Toledo, OH had the strongest mapped signal at 0.50", with an estimated 13,708 single-family homes exposed.
City cards show where the August 12, 2021 Ann Arbor, 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 Ann Arbor, MI Hail Swath Map
At the ZIP level, the August 12, 2021 Ann Arbor, MI hail map spans 22 ZIP codes. ZIP 49267 shows the strongest local signal, with mapped hail estimates up to 0.75" and an estimated single-family-home exposure of 685.
Check your ZIP in seconds to see whether hail activity from the August 12, 2021 Ann Arbor, MI event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the August 12, 2021 hail map for Ann Arbor, MI currently list 0 public hail reports, 11 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 13, 2021 5:18 AM CT | Lake Wilson | MI | NUMEROUS BRANCHES DOWN. ESTIMATED 12-14IN DIAMETER BRANCH DOWN DAMAGING A CAR. TREE UPROOTED. PHOTOS VIA EMAIL. | |
August 13, 2021 5:18 AM CT | Lake Wilson | MI | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM LAKE WILSON. TREE TOPS SNAPPED AND TREES UP-ROOTED. WIRES DOWN. TIME IS ESTIMATED FROM RADAR. | |
August 13, 2021 5:20 AM CT | 1 NNE Moscow | MI | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 NNE MOSCOW. DELAYED REPORT. 3 FT DIAMETER TREE SNAPPED... LARGE 1-2 FT DIAMETER LIMB DOWNED. A POWER POLE WAS ALSO SNAPPED AND LEANING ON A HOUSE. DAMAGE WAS ALONG MOSHERVILLE RD AT TWO SEPARATE RESIDENCES NEAR BIBBINS RD. | |
August 13, 2021 5:20 AM CT | Lake Wilson | MI | TREE TOPS SNAPPED AND TREES UP-ROOTED. WIRES DOWN. TIME IS ESTIMATED FROM RADAR. | |
August 13, 2021 5:23 AM CT | Hillsdale | MI | REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. | |
August 13, 2021 5:25 AM CT | Hillsdale | MI | MULTIPLE TREES DOWN IN THE TOWN OF HILLSDALE RELAYED VIA FACEBOOK. | |
August 12, 2021 6:00 AM CT | 5 SSE Ann Arbor | MI | LARGE TREE DOWN NEAR TEXTILE RD AND MICHIGAN AVE. | |
August 12, 2021 6:13 AM CT | Ann Arbor | MI | SPOTTER REPORTS NUMEROUS 6 TO 12 INCH DIAMETER TREES AND BRANCHES DOWN ACROSS THE ANN ARBOR AREA. | |
August 12, 2021 6:15 AM CT | 3 SSW Canton | MI | 8 INCH DIAMTER TREE LIMB DOWN. | |
August 12, 2021 6:24 AM CT | 2 WNW Romulus | MI | PUBLIC REPORT OF APPROX 6 INCH DIAMETER HEALTHY TREE LIMBS DOWN ALONG TYLER RD BETWEEN COGSWELL AND OZGA RDS. | |
August 12, 2021 5:20 PM CT | Jerome | MI | DELAYED REPORT. A FEW TREES DOWN (SIZE AND HEALTH UNKNOWN) ON MORELAND ROAD JUST WEST OF JEROME 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 12, 2021 Ann Arbor, 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 Ann Arbor, MI Region
We found 6 more hail maps with reports from the same Ann Arbor, MI region as the August 12, 2021 event. These related maps cover storm dates from Jul 20, 2021 through Aug 11, 2021, with mapped hail estimates ranging from 0.75" to 2.00". In this set, the strongest related map reached 2.00", and the most recent map shown is from Aug 11, 2021.
If none of these related Ann Arbor, 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 Ann Arbor, MI region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Ann Arbor, MI
Not sure whether the August 12, 2021 Ann Arbor, 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 Ann Arbor, 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 12, 2021 Ann Arbor, MI event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Ann Arbor, 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 12, 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 12, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Ann Arbor, 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 12, 2021 Ann Arbor, MI hail event.