Hail Swath Map Preview
The Philadelphia, PA 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, 20 public wind reports, and 0 nearby tornado reports listed for the August 11, 2021 event.
View the August 11, 2021 Philadelphia, 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 Philadelphia, PA Hail Map
The August 11, 2021 hail swath map for Philadelphia, PA covers approximately 176 square miles and includes an estimated 71,163 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 87 square miles. The highest estimated population exposure is in the < 0.50" hail band with 38,298 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 87 sq mi | 38,298 |
| 0.50-0.75" | 63 sq mi | 23,145 |
| 0.75-1.00" | 17 sq mi | 6,673 |
| 1.00-1.25" | 8 sq mi | 3,047 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 11, 2021 Philadelphia, PA hail event may have reached your area.
Housing Exposure Inside the Philadelphia, PA Hail Swath Map
Inside the August 11, 2021 hail swath map area for Philadelphia, PA, HailGeeks estimates 23,245 single-family homes, 6,379 townhomes, and 4,798 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 12,340 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 12,340 | 3,456 | 2,823 |
| 0.50-0.75" | 8,381 | 2,099 | 922 |
| 0.75-1.00" | 1,912 | 672 | 441 |
| 1.00-1.25" | 612 | 152 | 612 |
Use this table to review housing exposure by hail band for the August 11, 2021 Philadelphia, PA hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Philadelphia, PA Hail Map
Hail from the August 11, 2021 storm was mapped across 10 counties in the Philadelphia, PA region. Berks County, PA had the strongest mapped signal, peaking at 1.00" with roughly 6,358 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 Philadelphia, PA Hail Map
Zooming in, the swath touched 28 cities near Philadelphia, PA. Kutztown, PA had the strongest mapped signal at 1.00", with an estimated 529 single-family homes exposed.
City cards show where the August 11, 2021 Philadelphia, 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 Philadelphia, PA Hail Swath Map
At the ZIP level, the August 11, 2021 Philadelphia, PA hail map spans 22 ZIP codes. ZIP 19522 shows the strongest local signal, with mapped hail estimates up to 1.00" and an estimated single-family-home exposure of 1,848.
Check your ZIP in seconds to see whether hail activity from the August 11, 2021 Philadelphia, PA 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 Philadelphia, PA currently list 0 public hail reports, 20 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 7:00 PM CT | 1 S North East | MD | TWO TREES BLEW DOWN ALONG TURKEY POINT ROAD. | |
August 11, 2021 5:00 PM CT | 1 SE Adamstown | PA | WIRES DOWN. | |
August 11, 2021 5:08 PM CT | West Wyomissing | PA | HALF OF LARGE MAPLE TREE DOWN ON ROAD. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 5:10 PM CT | Spring Twp | PA | TREES DOWN ON WIRES ON JEFFERSON AVENUE IN SPRING TOWNSHIP.TIME ESTIMATED FROM RADAR. | |
August 11, 2021 5:14 PM CT | 3 ESE Smithville | PA | NUMEROUS REPORTS OF WIRES DOWN. | |
August 11, 2021 5:17 PM CT | 1 SSE Harford | MD | TREE DOWN NEAR THE INTERSECTION OF CHURCHCREEK ROAD AND RIVERSIDE PARKWAY | |
August 11, 2021 5:30 PM CT | 2 W Oley | PA | TREE DOWN AT VICTORIA LN/BULL ROAD. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 5:32 PM CT | 1 NNE Oley | PA | TREES AND WIRES DOWN IN OLEY TOWNSHIP ON WATER ROAD. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 5:48 PM CT | South Pottstown | PA | TREES AND WIRES BLOCKING RIVER ROAD... THE TREE FELL ON AN UNOCCUPIED PARKED VEHICLE. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 5:48 PM CT | Cedarville | PA | TREE DOWN AND BLOCKING SHEEPHILL ROAD. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 6:06 PM CT | West Chester | PA | TREE BLOCKING ROUTE 3... ALONG THE WEST CHESTER PIKE NEAR WESTTOWN ROAD. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 6:10 PM CT | 2 N Dublin | PA | A FEW REPORTS OF POWER OUTAGES DUE TO TREE DAMAGE IN THE DUBLIN AREA... INCLUDING NEAR IRISH MEETINGHOUSE RD. LIKELY ASSOCIATED WITH OUTFLOW WINDS. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 6:14 PM CT | 1 NNW West Norriton | PA | TREE DOWN ON TOP OF WIRES AND BLOCKING THE STREET AT GALBRAITH AVE AND WEST MAIN STREET. | |
August 11, 2021 6:15 PM CT | Long Valley | NJ | SEVERAL DOWNED TREE AND WIRE CALLS IN AND NEAR LONG VALLEY. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 6:15 PM CT | 1 N Willistown Twp | PA | TREE DOWN IN ROADWAY ON GOSHEN ROAD. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 6:33 PM CT | Aston | PA | MULTIPLE LARGE (6-12INCH DIAMETER) TREE LIMBS DOWN IN ASTON PA. | |
August 11, 2021 6:34 PM CT | 1 NNW Brookhaven | PA | DOWNED TREE ON US-030... TIME ESTIMATED FROM RADAR. | |
August 11, 2021 6:35 PM CT | Ridley Park | PA | LARGE TREE DOWN ON A RESIDENTS DECK. REPORT VIA SOCIAL MEDIA WITH A PHOTO. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 6:40 PM CT | Morristown | NJ | SEVERAL DOWNED TREE AND WIRE CALLS IN AND NEAR MORRISTOWN. TIME ESTIMATED FROM RADAR. | |
August 11, 2021 7:51 PM CT | 59 mph | Newark Airport | NJ | ASOS STATION KEWR NEWARK AIRPORT. |
| 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 Philadelphia, 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 Philadelphia, PA Region
We found 6 more hail maps with reports from the same Philadelphia, PA region as the August 11, 2021 event. These related maps cover storm dates from Jul 12, 2021 through Aug 10, 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 10, 2021.
If none of these related Philadelphia, 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 Philadelphia, PA region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Philadelphia, PA
Not sure whether the August 11, 2021 Philadelphia, 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 Philadelphia, 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 11, 2021 Philadelphia, PA event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Philadelphia, 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 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 Philadelphia, 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 11, 2021 Philadelphia, PA hail event.