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 1.00". There are 0 public hail reports, 62 public wind reports, and 1 nearby tornado reports listed for the August 11, 2021 event.
View the August 11, 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 11, 2021 hail swath map for Ann Arbor, MI covers approximately 1,182 square miles and includes an estimated 428,832 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 783 square miles. The highest estimated population exposure is in the < 0.50" hail band with 274,890 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 783 sq mi | 274,890 |
| 0.50-0.75" | 375 sq mi | 135,229 |
| 0.75-1.00" | 20 sq mi | 11,891 |
| 1.00-1.25" | 4 sq mi | 6,822 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 11, 2021 Ann Arbor, MI hail event may have reached your area.
Housing Exposure Inside the Ann Arbor, MI Hail Swath Map
Inside the August 11, 2021 hail swath map area for Ann Arbor, MI, HailGeeks estimates 178,667 single-family homes, 14,827 townhomes, and 65,391 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 109,624 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 109,624 | 9,521 | 42,743 |
| 0.50-0.75" | 59,986 | 4,963 | 20,022 |
| 0.75-1.00" | 5,944 | 243 | 1,055 |
| 1.00-1.25" | 3,113 | 100 | 1,571 |
Use this table to review housing exposure by hail band for the August 11, 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 11, 2021 storm was mapped across 21 counties in the Ann Arbor, MI region. Oakland County, MI had the strongest mapped signal, peaking at 1.00" with roughly 38,924 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 26 cities near Ann Arbor, MI. Keego Harbor, MI had the strongest mapped signal at 1.00", with an estimated 1,925 single-family homes exposed.
City cards show where the August 11, 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 11, 2021 Ann Arbor, MI hail map spans 83 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 Ann Arbor, 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 Ann Arbor, MI currently list 0 public hail reports, 62 public wind reports, and 1 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 1:12 PM CT | Bryan | OH | CORN FLATTENED AND SEVERAL TREES DOWN. | |
August 11, 2021 1:17 PM CT | Hillsdale | MI | REPORT FROM MPING: SHINGLES BLOWN OFF. | |
August 11, 2021 1:20 PM CT | Hillsdale | MI | REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. | |
August 11, 2021 1:20 PM CT | 3 SW Parma | MI | SEVERAL LARGE OAK TREES DOWN ON CONCORD ROAD BETWEEN ERIE ROAD AND KING ROAD. | |
August 11, 2021 1:25 PM CT | 1 E Parma | MI | LARGE HEALTHY TREE SNAPPED HALFWAY UP TRUNK. DAMAGE TO TWO CARS. | |
August 11, 2021 1:26 PM CT | 2 W Sandstone | MI | MANY LARGE LIMBS DOWN IN CEMETERY NEAR MICHIGAN AVE AND CHAPEL RD. | |
August 11, 2021 1:31 PM CT | 2 SE Sandstone | MI | PHOTO OF LARGE TREE FALLEN ACROSS POWER LINES AT ARBOR HILLS GOLF COURSE... RELAYED VIA SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 1:42 PM CT | Fayette | OH | NUMEROUS POWERLINES... TREES... AND LIMBS DOWNED IN SOUTH FAYETTE AND EASTWARD ALONG US HIGHWAY 20 (BETWEEN CR 19 AND 23). THERE WERE LIMBS RANGING FROM 6 INCHES TO AROUND 2 FEET IN DIAMETER. SEVERAL PINE TREES OF AROUND 1 TO 2 FEET IN DIAMETER WERE SNAPPED OFF... MOST APPEAR HEALTHY. A COUPLE OF TREES WERE ALSO UPROOTED. ONE HOUSE ON CYNTHIA DRIVE IN SOUTH FAYETTE HAD A TREE DOWNED ON THE HOUSE... WITH GUTTER AND ROOF DAMAGE. SHINGLES WERE STREWN ABOUT THE AREA... CORN CROPS WERE FLATTENED IN SOME PLACES. | |
August 11, 2021 1:47 PM CT | 1 N Zone | OH | GORHAM-FAYETTE FIRE REPORTED WIRES DOWNED ON STATE ROUTE 66 IN GORHAM TWP. | |
August 11, 2021 1:48 PM CT | Fayette | OH | MULTIPLE 3-4 INCH TREE BRANCHES DOWN AT THE INTERSECTION OF STATE ROAD 66 AND US 20. | |
August 11, 2021 1:53 PM CT | 3 WSW Denson | OH | MORENCI FIRE REPORTS WIRES DOWN ON SR 108 IN CHESTERFIELD TWP OHIO. | |
August 11, 2021 1:54 PM CT | 2 SSE Lyons | OH | LYONS-ROYALTON FIRE REPORTS WIRES DOWN. | |
August 11, 2021 1:54 PM CT | 2 WSW Oakshade | OH | 4 LIMBS DOWNED... 3 OF THEM AROUND 1-2 FEET IN DIAMETER... THE OTHER WAS AROUND 3-6 INCHES IN DIAMETER. | |
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 | Montpelier | OH | LARGE BRANCHES DOWN ON A HOUSE AND IN THE ROAD. | |
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 2:56 PM CT | Oak Harbor | OH | DAMAGE TO A ROOF ON A HOME. NUMEROUS SHINGLES LIFTED AND TORN OFF. | |
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 3:44 PM CT | 1 NE Munith | MI | DELAYED REPORT FROM MPING: TREES UPROOTED OR SNAPPED. | |
August 11, 2021 9:48 PM CT | Flushing | MI | MULTIPLE TREE UPROOTED AND LARGE TREE LIMBS DOWN. | |
August 12, 2021 5:37 AM CT | Manitou Beach | MI | SOCIAL MEDIA VIDEO OF MULTIPLE LARGE TREES SNAPPED AROUND DEVILS LAKE. | |
August 12, 2021 5:47 AM CT | 2 W Manchester | MI | POWER LINES DOWN OVER THE ROADWAY. | |
August 12, 2021 5:49 AM CT | 2 W Napoleon | MI | MULTIPLE TREES DOWN ALL ALONG AND ACROSS STONY LAKE ROAD. | |
August 12, 2021 5:50 AM CT | 1 SSE Brooklyn | MI | TREES DOWN ACROSS M-50 IN BROOKLYN. | |
August 12, 2021 5:52 AM CT | Hanover | MI | TREES AND WIRES BLOCKING HANOVER ROAD IN HANOVER MI. | |
August 12, 2021 5:55 AM CT | 2 WSW Brooklyn | MI | TREES AND WIRES DOWN ALONG CEMENT CITY ROAD BLOCKING ROADWAY. | |
August 11, 2021 1:42 PM CT | 60 mph | 1 N Blakeslee | OH | ESTIMATED 60 MPH WIND GUSTS. |
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 |
|---|---|---|---|---|
August 11, 2021 1:40 PM CT | UNK | Fayette | OH | EF1 WITH A PATH LENGTH OF 0.22 MILES AND MAXIMUM WIDTH OF 70 YARDS. ESTIMATED WIND SPEEDS OF 85 TO 90 MPH. |
This table includes only public storm reports connected to the August 11, 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 11, 2021 event. These related maps cover storm dates from Jul 7, 2021 through Aug 10, 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 10, 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 11, 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 11, 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 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 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 11, 2021 Ann Arbor, MI hail event.