Hail Swath Map Preview
The Lancaster, PA hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 1.25". There are 6 public hail reports, 12 public wind reports, and 0 nearby tornado reports listed for the July 21, 2021 event.
View the July 21, 2021 Lancaster, 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 Lancaster, PA Hail Map
The July 21, 2021 hail swath map for Lancaster, PA covers approximately 453 square miles and includes an estimated 223,323 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 239 square miles. The highest estimated population exposure is in the < 0.50" hail band with 116,651 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 239 sq mi | 116,651 |
| 0.50-0.75" | 171 sq mi | 76,636 |
| 0.75-1.00" | 34 sq mi | 23,688 |
| 1.00-1.25" | 7 sq mi | 4,678 |
| 1.25-1.50" | 2 sq mi | 1,670 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the July 21, 2021 Lancaster, PA hail event may have reached your area.
Housing Exposure Inside the Lancaster, PA Hail Swath Map
Inside the July 21, 2021 hail swath map area for Lancaster, PA, HailGeeks estimates 65,981 single-family homes, 27,581 townhomes, and 25,818 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 34,652 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 34,652 | 15,201 | 10,867 |
| 0.50-0.75" | 20,450 | 9,333 | 12,054 |
| 0.75-1.00" | 7,982 | 2,552 | 2,641 |
| 1.00-1.25" | 2,088 | 397 | 146 |
| 1.25-1.50" | 809 | 98 | 110 |
Use this table to review housing exposure by hail band for the July 21, 2021 Lancaster, PA hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Lancaster, PA Hail Map
Hail from the July 21, 2021 storm was mapped across 15 counties in the Lancaster, PA region. Montgomery County, PA had the strongest mapped signal, peaking at 1.25" with roughly 14,865 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 Lancaster, PA Hail Map
Zooming in, the swath touched 28 cities near Lancaster, PA. Allentown, PA had the strongest mapped signal at 0.50", with an estimated 7,242 single-family homes exposed.
City cards show where the July 21, 2021 Lancaster, 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 Lancaster, PA Hail Swath Map
At the ZIP level, the July 21, 2021 Lancaster, PA hail map spans 53 ZIP codes. ZIP 19403 shows the strongest local signal, with mapped hail estimates up to 1.25" and an estimated single-family-home exposure of 3,654.
Check your ZIP in seconds to see whether hail activity from the July 21, 2021 Lancaster, PA event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the July 21, 2021 hail map for Lancaster, PA currently list 6 public hail reports, 12 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
July 21, 2021 1:00 PM CT |
1.00 in | Temple | PA | No National Weather Service description provided. |
July 21, 2021 2:05 PM CT |
1.00 in | East Norriton | PA | No National Weather Service description provided. |
July 21, 2021 2:10 PM CT |
1.00 in | Plymouth Meeting | PA | No National Weather Service description provided. |
July 21, 2021 2:11 PM CT |
1.00 in | Plymouth Twp | PA | HAIL... TO THE SIZE OF QUARTERS (FROM MPING). |
July 21, 2021 2:15 PM CT |
1.25 in | Blue Bell | PA | PHOTOS RELAYED ON SOCIAL MEDIA... OF HAIL SLIGHTLY LARGER THAN QUARTER SIZE. TIME ESTIMATED FROM RADAR. |
July 21, 2021 2:25 PM CT |
1.00 in | Flourtown | PA | PHOTO FROM SOCIAL MEDIA... HAIL ESTIMATED AT QUARTER SIZE IN FLOURTOWN. TIME ESTIMATED FROM RADAR. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
July 21, 2021 1:11 PM CT | 5 WNW Cockeysville | MD | TREE DOWN ON SOUTHBOUND MD-25 FALLS ROAD AT GEIST ROAD. | |
July 21, 2021 1:15 PM CT | 1 WSW Allentown | PA | WIDESPREAD TREE DAMAGE IN WEST ALLENTOWN. | |
July 21, 2021 1:20 PM CT | 3 WNW Cockeysville | MD | TREE DOWN ON BEAVER DAM ROAD AND WARREN ROAD. | |
July 21, 2021 1:20 PM CT | 2 SSE Allentown | PA | WIRES DOWN SOUTH OF ALLENTOWN. TIME ESTIMATED FROM RADAR. | |
July 21, 2021 1:20 PM CT | 1 NW West Lawn | PA | PHOTO OF LARGE TREE BRANCHES DOWN ON WIRES IN WEST LAWN PA. TIME ESTIMATED BY SPOTTER. | |
July 21, 2021 1:24 PM CT | Spring Twp | PA | LARGE BRANCH DOWN IN SPRING TOWNSHIP... TIME ESTIMATED FROM RADAR. | |
July 21, 2021 2:05 PM CT | East Norriton | PA | NUMEROUS TREES DOWN. | |
July 21, 2021 2:07 PM CT | North Wales | PA | PHOTO OF LARGE TREE DOWN IN UPPER GWYNEDD TOWNSHIP. TIME ESTIMATED FROM RADAR. | |
July 21, 2021 2:10 PM CT | 1 WNW Blue Bell | PA | NUMEROUS TREES DOWN ON WIRES IN WHITPAIN TOWNSHIP. TIME ESTIMATED FROM RADAR. | |
July 21, 2021 2:15 PM CT | 2 WNW Blue Bell | PA | NUMEROUS PHOTOS OF LARGE TREE LIMBS DOWN IN THE IN THE CENTER SQUARE AREA OF BLUE BELL. TIME ESTIMATED FROM RADAR. | |
July 21, 2021 2:20 PM CT | 1 S Fort Washington | PA | TREES DOWN NEAR THE PENNSYLVANIA TURNPIKE. | |
July 21, 2021 2:40 PM CT | 1 WNW Chester Twp | PA | WIRES DOWN ON CARTER AVENUE IN CHESTER TOWNSHIP. TIME ESTIMATED FROM RADAR. |
| 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 July 21, 2021 Lancaster, 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 Lancaster, PA Region
We found 6 more hail maps with reports from the same Lancaster, PA region as the July 21, 2021 event. These related maps cover storm dates from Jul 9, 2021 through Jul 19, 2021, with mapped hail estimates ranging from 0.75" to 1.25". In this set, the strongest related map reached 1.25", and the most recent map shown is from Jul 19, 2021.
If none of these related Lancaster, 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 Lancaster, PA region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Lancaster, PA
Not sure whether the July 21, 2021 Lancaster, 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 Lancaster, 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 July 21, 2021 Lancaster, PA event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Lancaster, 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 July 21, 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 July 21, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Lancaster, 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 July 21, 2021 Lancaster, PA hail event.