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 1.25". There are 2 public hail reports, 35 public wind reports, and 0 nearby tornado reports listed for the July 17, 2021 event.
View the July 17, 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 July 17, 2021 hail swath map for Harrisburg, PA covers approximately 481 square miles and includes an estimated 103,766 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 268 square miles. The highest estimated population exposure is in the < 0.50" hail band with 51,068 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 268 sq mi | 51,068 |
| 0.50-0.75" | 158 sq mi | 39,352 |
| 0.75-1.00" | 34 sq mi | 11,217 |
| 1.00-1.25" | 20 sq mi | 2,009 |
| 1.25-1.50" | 2 sq mi | 120 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the July 17, 2021 Harrisburg, PA hail event may have reached your area.
Housing Exposure Inside the Harrisburg, PA Hail Swath Map
Inside the July 17, 2021 hail swath map area for Harrisburg, PA, HailGeeks estimates 35,841 single-family homes, 10,460 townhomes, and 8,424 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 18,456 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 18,456 | 4,575 | 4,624 |
| 0.50-0.75" | 13,874 | 4,337 | 2,787 |
| 0.75-1.00" | 2,575 | 1,471 | 883 |
| 1.00-1.25" | 883 | 76 | 127 |
| 1.25-1.50" | 53 | 1 | 3 |
Use this table to review housing exposure by hail band for the July 17, 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 July 17, 2021 storm was mapped across 15 counties in the Harrisburg, PA region. Perry County, PA had the strongest mapped signal, peaking at 1.25" with roughly 2,745 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 20 cities near Harrisburg, PA. Washington Boro, PA had the strongest mapped signal at 1.00", with an estimated 138 single-family homes exposed.
City cards show where the July 17, 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 July 17, 2021 Harrisburg, PA hail map spans 49 ZIP codes. ZIP 17040 shows the strongest local signal, with mapped hail estimates up to 1.25" and an estimated single-family-home exposure of 387.
Check your ZIP in seconds to see whether hail activity from the July 17, 2021 Harrisburg, PA event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the July 17, 2021 hail map for Harrisburg, PA currently list 2 public hail reports, 35 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
July 17, 2021 1:48 PM CT |
1.00 in | 4 S Leola | PA | QUARTER-SIZED HAIL IN BIRD-IN-HAND. REPORT VIA SOCIAL MEDIA. |
July 17, 2021 5:21 PM CT |
1.25 in | 3 WNW Marysville | PA | DESCRIBED AS MEATBALL SIZED HAIL. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
July 17, 2021 12:42 PM CT | 2 NE Oakland | MD | MULTIPLE TREES DOWN NEAR THE LIBERTY RESERVOIR. | |
July 17, 2021 1:07 PM CT | 3 SW Millersville | PA | TREES AND WIRES DOWN. | |
July 17, 2021 1:11 PM CT | 2 WNW Millersville | PA | TREES ON WIRES. | |
July 17, 2021 1:24 PM CT | 1 ENE Brooklandville | MD | TREE DOWN ON A VEHICLE NEAR CLEARFIELD COURT AND TALLY HO ROAD. | |
July 17, 2021 1:25 PM CT | Cockeysville | MD | MULTIPLE TREES DOWN IN COCKEYSVILLE. | |
July 17, 2021 1:25 PM CT | Brooklandville | MD | TREE DOWN ON MD-25 AT SEMINARY AVENUE. | |
July 17, 2021 1:46 PM CT | Long Green | MD | MULTIPLE TREES DOWN IN AND AROUND LONG GREEN. | |
July 17, 2021 1:58 PM CT | 4 NNW Myerstown | PA | TREES DOWN ON WIRES IN JACKSON TOWNSHIP NORTH OF MYERSTOWN. | |
July 17, 2021 2:23 PM CT | 2 WNW Summit Station | PA | TREES DOWN ON MOYERS STATION ROAD. | |
July 17, 2021 2:31 PM CT | 2 ESE Winfield | MD | TREE DOWN ON BUSHEY ROAD NEAR OLD WASHINGTON ROAD. | |
July 17, 2021 2:53 PM CT | 1 WNW Paradise | PA | STORM DAMAGE REPORTED ON LIVE INCIDENT LIST. | |
July 17, 2021 3:40 PM CT | 3 NNE Strodes Mills | PA | MULTIPLE REPORTS OF TREES ON WIRES IN THE AREA. | |
July 17, 2021 3:43 PM CT | 1 WSW Alfarata | PA | TREES ON WIRES. | |
July 17, 2021 3:45 PM CT | 2 SSW Shumans | PA | TREE AND TREE LIMB DAMAGE. | |
July 17, 2021 4:03 PM CT | 2 WNW Beech Creek | PA | TREES DOWN ON MONUMENT ORVISTON ROAD IN LIBERTY TOWNSHIP. | |
July 17, 2021 4:33 PM CT | Shepherdstown | WV | THREE TREES DOWN IN SHEPERDSTOWN ALONG WITH MULTIPLE LARGE BRANCHES. | |
July 17, 2021 4:38 PM CT | 1 NE Milton | PA | TREE DOWN ON A HOUSE. | |
July 17, 2021 4:40 PM CT | 1 NNW West Milton | PA | PART OF A ROOF BLOWN OFF OF A BARN ON N RIDGE RD. | |
July 17, 2021 4:45 PM CT | 3 SSW Duncannon | PA | TREES DOWN ALONG WATTS DRIVE SOUTH OF DUNCANNON. | |
July 17, 2021 4:58 PM CT | 1 NW Smithsburg | MD | FOUR TELEPHONE POLES AND WIRES DOWN ON LEITERSBURG SMITHSBURG ROAD. | |
July 17, 2021 5:01 PM CT | Leitersburg | MD | SEVERAL TREES DOWN IN LEITERSBURG. | |
July 17, 2021 5:15 PM CT | 1 NE Kulpmont | PA | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 NE KULPMONT. TREES ON WIRES. | |
July 17, 2021 5:16 PM CT | 1 N Carroll Valley | PA | TREES DOWN IN CARROLL VALLEY AND FAIRFIELD. | |
July 17, 2021 5:27 PM CT | Martinsburg | WV | MULTIPLE REPORTS OF TREES AND POWER LINES DOWN ACROSS THE CITY OF MARTINSBURG. | |
July 17, 2021 5:28 PM CT | 2 NNW West Milton | PA | TREES AND WIRES DOWN. TREES UPROOTED. | |
July 17, 2021 5:30 PM CT | 2 N Montgomery Ferry | PA | LARGE TREE DOWN ON RIGHT LANE OF ROUTE 11 AT CHERRY ROAD. | |
July 17, 2021 5:31 PM CT | 1 NE Kulpmont | PA | TREES ON WIRES. | |
July 17, 2021 5:33 PM CT | 2 NW Winebrenners Cross | WV | MULTIPLE TREES AND POWER LINES DOWN ON BLAIRTON RD. | |
July 17, 2021 5:34 PM CT | 2 NW Winebrenners Cross | WV | TREES DOWN ACROSS ROADWAY AT 788 BLAIRTON RD. | |
July 17, 2021 5:34 PM CT | 2 E Martinsburg | WV | NUMEROUS TREES DOWN. | |
July 17, 2021 6:00 PM CT | 1 ENE Colonial Park | PA | TREES DOWN ON DEVONSHIRE ROAD IN WEST HANOVER TOWNSHIP. | |
July 17, 2021 6:10 PM CT | 1 WSW Thurmont | MD | TREE DOWN ON FOXVILLE RD WEST OF PRYOR RD | |
July 17, 2021 6:10 PM CT | 1 N Thurmont | MD | LARGE TREE DOWN ACROSS ROAD IN THE 15000 BLOCK OF KELBAUGH RD | |
July 17, 2021 6:11 PM CT | Mount Pleasant | MD | TREE DOWN ON MD-26 NEAR CRUM ROAD. | |
July 17, 2021 6:18 PM CT | 2 NW Libertytown | MD | TREE DOWN ON MD-550 NEAR PINE TREE ROAD. |
| 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 17, 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 July 17, 2021 event. These related maps cover storm dates from Jul 7, 2021 through Jul 16, 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 Jul 16, 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 July 17, 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 July 17, 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 July 17, 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 17, 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 July 17, 2021 Harrisburg, PA hail event.