Hail Swath Map Preview
The Harrisburg, 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, 40 public wind reports, and 0 nearby tornado reports listed for the August 11, 2021 event.
View the August 11, 2021 Harrisburg, 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 Harrisburg, PA Hail Map
The August 11, 2021 hail swath map for Harrisburg, PA covers approximately 753 square miles and includes an estimated 289,529 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 415 square miles. The highest estimated population exposure is in the < 0.50" hail band with 155,718 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 415 sq mi | 155,718 |
| 0.50-0.75" | 280 sq mi | 103,069 |
| 0.75-1.00" | 53 sq mi | 29,960 |
| 1.00-1.25" | 5 sq mi | 782 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 11, 2021 Harrisburg, PA hail event may have reached your area.
Housing Exposure Inside the Harrisburg, PA Hail Swath Map
Inside the August 11, 2021 hail swath map area for Harrisburg, PA, HailGeeks estimates 93,199 single-family homes, 34,386 townhomes, and 37,508 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 50,502 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 50,502 | 15,090 | 17,990 |
| 0.50-0.75" | 33,484 | 15,065 | 11,687 |
| 0.75-1.00" | 8,867 | 4,212 | 7,801 |
| 1.00-1.25" | 346 | 19 | 30 |
Use this table to review housing exposure by hail band for the August 11, 2021 Harrisburg, PA hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Harrisburg, PA Hail Map
Hail from the August 11, 2021 storm was mapped across 23 counties in the Harrisburg, PA region. Lancaster County, PA had the strongest mapped signal, peaking at 1.00" with roughly 23,882 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 Harrisburg, PA Hail Map
Zooming in, the swath touched 45 cities near Harrisburg, PA. East Prospect, PA had the strongest mapped signal at 1.00", with an estimated 197 single-family homes exposed.
City cards show where the August 11, 2021 Harrisburg, 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 Harrisburg, PA Hail Swath Map
At the ZIP level, the August 11, 2021 Harrisburg, PA hail map spans 88 ZIP codes. ZIP 17517 shows the strongest local signal, with mapped hail estimates up to 1.00" and an estimated single-family-home exposure of 972.
Check your ZIP in seconds to see whether hail activity from the August 11, 2021 Harrisburg, 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 Harrisburg, PA currently list 0 public hail reports, 40 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 1:52 PM CT | 2 SE Clifton | PA | WIRES DOWN ACROSS ROAD. | |
August 11, 2021 2:00 PM CT | 3 E Berkeley | WV | A TREE BLEW DOWN IN THE 2000 BLOCK OF SCRABBLE ROAD. | |
August 11, 2021 2:03 PM CT | 3 SSW Williamsport | MD | TREE DOWN ON FALLING WATERS RD. IN WILLIAMSPORT. | |
August 11, 2021 2:07 PM CT | Hagerstown | MD | SEVERAL TREES DOWN IN AND AROUND THE CITY OF HAGERSTOWN. | |
August 11, 2021 2:22 PM CT | Boonsboro | MD | SEVERAL TREES DOWN NEAR BOONSBORO | |
August 11, 2021 2:31 PM CT | Middletown | MD | TREE DOWN AT THE INTERSECTION OF US-40 AND MD-17 IN MIDDLETOWN. | |
August 11, 2021 2:40 PM CT | 1 S Mill Creek | PA | TREES AND WIRES DOWN. | |
August 11, 2021 2:43 PM CT | Myersville | MD | SEVERAL TREES DOWN IN THE VICINITY OF MYERSVILLE. | |
August 11, 2021 2:45 PM CT | Myersville | MD | STORM DEBRIS IN ROADWAY REPORTED BY MDOT. AT THE INTERSECTION OF U.S. 40 & MD 17. | |
August 11, 2021 2:45 PM CT | Frederick | MD | SEVERAL TREES DOWN IN THE CITY OF FREDERICK | |
August 11, 2021 2:55 PM CT | 3 SE Centre Hall | PA | TREE ON WIRES. | |
August 11, 2021 3:02 PM CT | Milroy | PA | TREES ACROSS ROAD. | |
August 11, 2021 3:05 PM CT | 1 S Burnham | PA | MULTIPLE TREES DOWN. | |
August 11, 2021 3:30 PM CT | Westminster | MD | A FEW TREES BLEW DOWN IN THE WESTMINSTER AREA. | |
August 11, 2021 3:45 PM CT | Manchester | MD | A FEW TREES BLEW DOWN IN THE MANCHESTER AREA. | |
August 11, 2021 3:45 PM CT | 2 SSW Sand Bridge State | PA | NUMEROUS REPORTS OF WIRES DOWN IN THE AREA. | |
August 11, 2021 3:46 PM CT | 2 NW Skyline View | PA | TREE ACROSS ROAD. | |
August 11, 2021 3:48 PM CT | Linglestown | PA | TREE DOWN. REPORTED VIA TWITTER. | |
August 11, 2021 3:49 PM CT | 2 SSW Hogestown | PA | WIRES DOWN ON TWO TRACTOR TRAILERS ON I-76. | |
August 11, 2021 3:52 PM CT | 1 WNW Colonial Park | PA | TREE ON A HOUSE. | |
August 11, 2021 4:00 PM CT | 3 SE Penn National Race | PA | TREES ACROSS ROAD. | |
August 11, 2021 4:43 PM CT | 1 SE Kingsville | MD | TREE DOWN ON POWERLINES WITH LINES ON THE ROAD ON THE 11000 BLOCK OF RAPHEL ROAD | |
August 11, 2021 4:43 PM CT | 6 NW Cockeysville | MD | TREE DOWN ON CUBA ROAD NEAR WESTERN RUN | |
August 11, 2021 4:43 PM CT | 2 NE Perry Hall | MD | LARGE BRANCH ON POWERLINE WITH AN ASSOCIATED FIRE ON THE 10000 BLOCK OF GUNRIDGE CIRCLE | |
August 11, 2021 4:45 PM CT | 3 SSE Millville | PA | TREES DOWN ON THE 2000 BLOCK OF STATE ROUTE 42. | |
August 11, 2021 4:45 PM CT | Elysburg | PA | TREE DOWN IN RALPHO TWP. | |
August 11, 2021 4:52 PM CT | 3 ESE Bentley Springs | MD | TREE DOWN NEAR THE INTERSECTION OF ENSOR ROAD AND STABLERSVILLE ROAD | |
August 11, 2021 4:55 PM CT | 2 N Landisville | PA | WIRES DOWN. | |
August 11, 2021 4:56 PM CT | 4 NE Bentley Springs | MD | 3 TREES DOWN NEAR THE INTERSECTION OF HARRIS MILL ROAD AND DUNK FREELAND ROAD | |
August 11, 2021 4:56 PM CT | Bloomsburg | PA | WIDESPREAD TREES AND WIRES DOWN ACROSS COLUMBIA COUNTY. | |
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 5:17 PM CT | Chrome Hill | MD | TREE DOWN AND POWERLINE DOWN WITH THE TREE ON FIRE ON THE 3000 BLOCK OF ROCKS CHROME HILL ROAD NEAR THE INTERSECTION OF CHROME HILL ROAD | |
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 4:42 PM CT | 58 mph | Lancaster Airport | PA | No National Weather Service description provided. |
| 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 Harrisburg, 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 Harrisburg, PA Region
We found 6 more hail maps with reports from the same Harrisburg, PA region as the August 11, 2021 event. These related maps cover storm dates from Jul 13, 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 Harrisburg, 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 Harrisburg, PA region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Harrisburg, PA
Not sure whether the August 11, 2021 Harrisburg, 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 Harrisburg, 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 Harrisburg, PA event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Harrisburg, 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 Harrisburg, 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 Harrisburg, PA hail event.