The Allentown, PA hail swath map preview was last reviewed on August 28, 2026 and shows mapped hail estimates up to 1.75". There are 9 public hail reports, 6 public wind reports, and 0 nearby tornado reports listed for the September 9, 2023 event.
View the September 9, 2023 Allentown, 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.
The September 9, 2023 hail swath map for Allentown, PA covers approximately 605 square miles and includes an estimated 325,899 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 282 square miles. The highest estimated population exposure is in the < 0.50" hail band with 136,775 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 282 sq mi | 136,775 |
| 0.50-0.75" | 227 sq mi | 131,709 |
| 0.75-1.00" | 63 sq mi | 41,172 |
| 1.00-1.25" | 20 sq mi | 13,345 |
| 1.25-1.50" | 8 sq mi | 2,724 |
| 1.50-1.75" | 3 sq mi | 107 |
| 1.75-2.00" | 2 sq mi | 67 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the September 9, 2023 Allentown, PA hail event may have reached your area.
Inside the September 9, 2023 hail swath map area for Allentown, PA, HailGeeks estimates 111,935 single-family homes, 20,826 townhomes, and 50,446 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 47,119 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 43,131 | 11,904 | 21,589 |
| 0.50-0.75" | 47,119 | 5,844 | 22,419 |
| 0.75-1.00" | 15,898 | 2,298 | 4,111 |
| 1.00-1.25" | 4,636 | 720 | 2,150 |
| 1.25-1.50" | 1,059 | 57 | 177 |
| 1.50-1.75" | 57 | 2 | 0 |
| 1.75-2.00" | 35 | 1 | 0 |
Use this table to review housing exposure by hail band for the September 9, 2023 Allentown, PA hail map. To check a specific property more closely, use a free Hail Report by Address.
Hail from the September 9, 2023 storm was mapped across 23 counties in the Allentown, PA region. Luzerne County, PA had the strongest mapped signal, peaking at 1.75" with roughly 5,963 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.
Zooming in, the swath touched 68 cities near Allentown, PA. Parsippany, NJ had the strongest mapped signal at 1.00", with an estimated 2,759 single-family homes exposed.
City cards show where the September 9, 2023 Allentown, 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.
At the ZIP level, the September 9, 2023 Allentown, PA hail map spans 77 ZIP codes. ZIP 18656 shows the strongest local signal, with mapped hail estimates up to 1.75" and an estimated single-family-home exposure of 804.
Check your ZIP in seconds to see whether hail activity from the September 9, 2023 Allentown, PA event was mapped near your area.
Public storm report tables connected to the September 9, 2023 hail map for Allentown, PA currently list 9 public hail reports, 6 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
September 9, 2023 1:50 PM CT |
1.00 in | Spotswood | NJ | No National Weather Service description provided. |
September 9, 2023 2:00 PM CT |
1.00 in | East Brunswick | NJ | Corrects previous hail report from East Brunswick. Quarter size hail in East Brunswick. Time given in report. |
September 9, 2023 2:05 PM CT |
1.00 in | North Brunswick | NJ | Hail of at least quarter size reported in North Brunswick. |
September 9, 2023 2:10 PM CT |
1.00 in | New Brunswick | NJ | No National Weather Service description provided. |
September 9, 2023 2:15 PM CT |
1.75 in | New Brunswick | NJ | Hail up to the size of golf balls in New Brunswick. Time estimated via radar. |
September 9, 2023 2:19 PM CT |
1.00 in | 1 SE New Brunswick | NJ | Report from mPING: Quarter (1.00 in.). |
September 9, 2023 2:46 PM CT |
1.00 in | 1 N Gloucester Twp | NJ | No National Weather Service description provided. |
September 9, 2023 3:17 PM CT |
1.00 in | Denville | NJ | Quarter size hail in Denville. Time estimated via radar. |
September 9, 2023 3:38 PM CT |
1.00 in | 1 N Plymouth Meeting | PA | Report from mPING: Quarter (1.00 in.). |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
September 9, 2023 1:09 PM CT | Plumsted Twp | NJ | 911 call center reports tree down into wires causing sparking. Time estimated via radar. | |
September 9, 2023 2:34 PM CT | Plainfield | NJ | Tree down with wires on Carnegie Ave with time estimated by radar. | |
September 9, 2023 3:08 PM CT | Morristown | NJ | JCPL reports tree damage resulting in 101-500 power outages in Morristown. Time estimated from radar. | |
September 9, 2023 3:08 PM CT | Parsippany | NJ | 911 call center reports trees down all across the county. Time estimated via radar. | |
September 9, 2023 4:05 PM CT | Blairstown | NJ | 911 call center reports wires down in Blairstown. Time estimated via radar. | |
September 9, 2023 4:18 PM CT | 2 NE Flatbrookville | NJ | Report of two trees down across Walpack Flatbrook Road in Walpack Township. Pictures provided via social media. Time estimated via 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 September 9, 2023 Allentown, PA storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
We found 6 more hail maps with reports from the same Allentown, PA region as the September 9, 2023 event. These related maps cover storm dates from Jul 25, 2023 through Sep 8, 2023, 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 Sep 8, 2023.
If none of these related Allentown, 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 Allentown, PA region — so you can check whether hail activity may have reached your property.
Not sure whether the September 9, 2023 Allentown, 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 Allentown, 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 September 9, 2023 Allentown, PA event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Allentown, 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 September 9, 2023 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 September 9, 2023 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Allentown, PA region, but they can help you make a more informed next decision before anyone climbs on the roof.
Common questions about the September 9, 2023 Allentown, PA hail event.