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 1.25". There are 1 public hail reports, 12 public wind reports, and 0 nearby tornado reports listed for the September 14, 2021 event.
View the September 14, 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 September 14, 2021 hail swath map for Detroit, MI covers approximately 783 square miles and includes an estimated 467,963 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 395 square miles. The highest estimated population exposure is in the < 0.50" hail band with 304,377 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 395 sq mi | 304,377 |
| 0.50-0.75" | 265 sq mi | 150,630 |
| 0.75-1.00" | 102 sq mi | 6,808 |
| 1.00-1.25" | 19 sq mi | 6,148 |
| 1.25-1.50" | 2 sq mi | 0 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the September 14, 2021 Detroit, MI hail event may have reached your area.
Housing Exposure Inside the Detroit, MI Hail Swath Map
Inside the September 14, 2021 hail swath map area for Detroit, MI, HailGeeks estimates 209,398 single-family homes, 13,669 townhomes, and 60,997 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 138,372 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 138,372 | 9,433 | 42,592 |
| 0.50-0.75" | 66,647 | 3,821 | 16,117 |
| 0.75-1.00" | 2,686 | 162 | 310 |
| 1.00-1.25" | 1,693 | 253 | 1,978 |
Use this table to review housing exposure by hail band for the September 14, 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 September 14, 2021 storm was mapped across 9 counties in the Detroit, MI region. Livingston County, MI had the strongest mapped signal, peaking at 1.00" with roughly 12,800 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 27 cities near Detroit, MI. Howell, MI had the strongest mapped signal at 1.00", with an estimated 1,871 single-family homes exposed.
City cards show where the September 14, 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 September 14, 2021 Detroit, MI hail map spans 43 ZIP codes. ZIP 48855 shows the strongest local signal, with mapped hail estimates up to 1.00" and an estimated single-family-home exposure of 2,670.
Check your ZIP in seconds to see whether hail activity from the September 14, 2021 Detroit, MI event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the September 14, 2021 hail map for Detroit, MI currently list 1 public hail reports, 12 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
September 14, 2021 4:55 PM CT |
1.25 in | N Howell | MI | PHOTOS SUBMITTED VIA SOCIAL MEDIA OF MULTIPLE HALF DOLLAR SIZED HAILSTONES.SOME JUST SHY OF WALNUT SIZED. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
September 14, 2021 8:21 AM CT | 4 WNW Harbor View | OH | NUMEROUS REPORTS OF TREES... POWERLINES... AND POWER POLES DOWN ACROSS WASHINGTON TOWNSHIP. | |
September 14, 2021 3:06 PM CT | 4 WSW Brighton | MI | PUBLIC REPORTS TREE DOWN BLOCKING ROAD ON CHILSON RD NEAR CHILSON CREEK. | |
September 14, 2021 3:25 PM CT | 6 W Mount Clemens | MI | MACOMB COUNTY DISPATCH REPORTS TREES AND WIRES DOWNED NEAR SCHOENHERR RD AND CLINTON RIVER RD IN STERLING HEIGHTS. | |
September 14, 2021 3:29 PM CT | Clinton Township | MI | MACOMB COUNTY DISPATCH REPORTS PARTIAL BUILDING COLLAPSE. | |
September 14, 2021 4:49 PM CT | E Fowlerville | MI | 10 INCH TREE LIMB DOWNED. | |
September 14, 2021 6:44 PM CT | 1 E Adrian | MI | MULTIPLE LARGE TREES DOWNED NEAR CHESNUT ST AND ADDISON ST. | |
September 14, 2021 7:37 PM CT | South Rockwood | MI | DISPATCH REPORTS TREES AND WIRES DOWN IN THE SOUTH ROCKWOOD AREA. | |
September 14, 2021 7:50 PM CT | 2 E Temperance | MI | 2 FOOT DIAMETER TREE DOWN ACROSS ROAD RELAYED VIA SOCIAL MEDIA PHOTOS NEAR VIENNA PARK IN TEMPERANCE. | |
September 14, 2021 8:01 PM CT | Lambertville | MI | DISPATCH REPORTS NUMEROUS TREES AND POWERLINES DOWN IN THE WHITEFORD AND BEDFORD AREAS. | |
September 14, 2021 9:20 PM CT | Rocky Ridge | OH | MULTIPLE TREES AND POWERLINES REPORTED DOWN THROUGHOUT THE CITY. | |
September 14, 2021 3:12 PM CT | 60 mph | Berkley | MI | SPOTTER REPORTED MEASURED 60 MPH WIND GUST AND PENNY SIZED HAIL. |
September 14, 2021 8:52 PM CT | 68 mph | 2 S Walbridge | OH | THE ASOS AT TOLEDO EXECUTIVE AIRPORT MEASURED AT 59 KNOT OR 68 MPH WIND GUST. |
| 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 14, 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 September 14, 2021 event. These related maps cover storm dates from Aug 24, 2021 through Sep 13, 2021, with mapped hail estimates ranging from 0.75" to 2.25". In this set, the strongest related map reached 2.25", and the most recent map shown is from Sep 13, 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 September 14, 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 September 14, 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 September 14, 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 14, 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 September 14, 2021 Detroit, MI hail event.