Hail Swath Map Preview
The Altoona, PA 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, 22 public wind reports, and 0 nearby tornado reports listed for the August 12, 2021 event.
View the August 12, 2021 Altoona, PA 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 Altoona, PA Hail Map
The August 12, 2021 hail swath map for Altoona, PA covers approximately 420 square miles and includes an estimated 28,932 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 225 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 16,953 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 225 sq mi | 10,860 |
| 0.50-0.75" | 175 sq mi | 16,953 |
| 0.75-1.00" | 20 sq mi | 1,119 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 12, 2021 Altoona, PA hail event may have reached your area.
Housing Exposure Inside the Altoona, PA Hail Swath Map
Inside the August 12, 2021 hail swath map area for Altoona, PA, HailGeeks estimates 14,617 single-family homes, 400 townhomes, and 2,816 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 8,791 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 5,220 | 157 | 757 |
| 0.50-0.75" | 8,791 | 232 | 2,003 |
| 0.75-1.00" | 606 | 11 | 56 |
Use this table to review housing exposure by hail band for the August 12, 2021 Altoona, PA hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Altoona, PA Hail Map
Hail from the August 12, 2021 storm was mapped across 8 counties in the Altoona, PA region. Clearfield County, PA had the strongest mapped signal, peaking at 0.75" with roughly 7,718 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 Altoona, PA Hail Map
Zooming in, the swath touched 12 cities near Altoona, PA. DuBois, PA had the strongest mapped signal at 0.50", with an estimated 1,898 single-family homes exposed.
City cards show where the August 12, 2021 Altoona, PA 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 Altoona, PA Hail Swath Map
At the ZIP level, the August 12, 2021 Altoona, PA hail map spans 26 ZIP codes. ZIP 15801 shows the strongest local signal, with mapped hail estimates up to 0.75" and an estimated single-family-home exposure of 6,723.
Check your ZIP in seconds to see whether hail activity from the August 12, 2021 Altoona, PA 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 Altoona, PA currently list 0 public hail reports, 22 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 12, 2021 12:38 PM CT | 2 NNE North Point | PA | REPORTED MULTIPLE TREES DOWN ON HAMILTON PORTER RD AND EWING RD IN PERRY TOWNSHIP | |
August 12, 2021 12:40 PM CT | Sportsburg | PA | MULTIPLE TREES REPORTED DOWN ON POWER LINES IN THE AREA OF YOUNG TOWNSHIP | |
August 12, 2021 12:42 PM CT | Punxsutawney | PA | SEVERAL TREES AND POWER LINES DOWN IN PUNXSUTAWNEY | |
August 12, 2021 4:30 PM CT | Brookville | PA | MULTIPLE REPORTS OF TREES AND POWER LINES DOWN | |
August 12, 2021 4:38 PM CT | Strattanville | PA | REPORT OF POWER LINE AND TREE DOWN. TIME ESTIMATED BASED ON RADAR. | |
August 12, 2021 4:45 PM CT | Brookville | PA | TREE DOWN ON POWER LINES IN BROOKVILLE OFF CHURCH ST | |
August 12, 2021 5:05 PM CT | Clear Run | PA | TREES AND WIRES DOWN | |
August 12, 2021 5:06 PM CT | Treasure Lake | PA | TREES AND WIRES DOWN | |
August 12, 2021 5:10 PM CT | 1 N Adrian Furnace | PA | TREE ON A VEHICLE | |
August 12, 2021 5:38 PM CT | Strattanville | PA | REPORT OF POWER LINE AND TREE DOWN. TIME ESTIMATED BASED ON RADAR. | |
August 12, 2021 5:43 PM CT | 1 NNW Waterson | PA | LINES AND TREE DOWN ON HIGHWAY 322 NEAR DETRICK ROAD | |
August 12, 2021 5:58 PM CT | 1 SSW Salem | PA | TREE DOWN ACROSS DUTCH ROAD | |
August 12, 2021 6:09 PM CT | Punxsutawney | PA | REPORT OF TREES DOWN. TIME ESTIMATED BASED ON RADAR. | |
August 12, 2021 6:09 PM CT | North Point | PA | TREES AND WIRES DOWN | |
August 12, 2021 6:23 PM CT | 1 W Keewaydin | PA | TREE ACROSS ROAD | |
August 12, 2021 6:32 PM CT | 1 WSW Hepburnia | PA | TREES ACROSS ROAD | |
August 12, 2021 6:40 PM CT | 1 N New Millport | PA | TREES AND WIRES DOWN | |
August 12, 2021 6:45 PM CT | 2 W Plymptonville | PA | TREES DOWN | |
August 12, 2021 6:50 PM CT | 2 N Brush Valley | PA | TREES AND WIRES DOWN | |
August 12, 2021 7:26 PM CT | 2 WSW Wingate | PA | TREES AND WIRES DOWN | |
August 12, 2021 8:25 PM CT | 2 SSW Darlington | PA | POWER LINES DOWN ON FOUR MILE RUN RD | |
August 12, 2021 8:30 PM CT | Rector | PA | TREES DOWN ACROSS LIGONIER TOWNSHIP. |
| 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 Altoona, PA storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Altoona, PA Region
We found 6 more hail maps with reports from the same Altoona, PA region as the August 12, 2021 event. These related maps cover storm dates from Jul 13, 2021 through Aug 11, 2021, with mapped hail estimates ranging from 0.75" to 1.50". In this set, the strongest related map reached 1.50", and the most recent map shown is from Aug 11, 2021.
If none of these related Altoona, PA 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 Altoona, PA region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Altoona, PA
Not sure whether the August 12, 2021 Altoona, PA 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 Altoona, PA 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 Altoona, PA event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Altoona, PA 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 Altoona, PA 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 Altoona, PA hail event.