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HailGeeks
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Hail Map with Reports for Allentown, PA

View the free hail map with reports for Allentown, PA from September 9, 2023. This event is marked as Complete, with a Moderate storm impact level and a Moderate Event Inspection Score.

Free Interactive Hail Map Hail Report by ZIP
Moderate
Event Inspection Score
Moderate
Storm Impact
Complete
Event Status
Sep 9, 2023
Event Date
Map Preview

Hail Swath Map Preview

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.

Region: Allentown, PA
September 9, 2023 Hail swath map preview for Allentown, PA on September 9, 2023
Open Interactive Map
Max Hail
1.75"
Mapped estimated hail size
Public Hail Reports
9
Largest report: 1.75"
Public Wind Reports
6
Reports near map area
Tornado Reports
0
Reports near map area

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.

View Free Interactive Hail Map
Map Footprint

Impact Area and Population for the Allentown, PA Hail Map

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 Impact Area
605 sq mi
Largest band: < 0.50"
Population Inside Footprint
325,899
Highest population band: < 0.50"
Mapped Hail BandImpact AreaPopulation
< 0.50"282 sq mi136,775
0.50-0.75"227 sq mi131,709
0.75-1.00"63 sq mi41,172
1.00-1.25"20 sq mi13,345
1.25-1.50"8 sq mi2,724
1.50-1.75"3 sq mi107
1.75-2.00"2 sq mi67

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.

Housing Impact

Housing Exposure Inside the Allentown, PA Hail Swath Map

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.

Single-Family Homes
111,935
Largest band: 0.50-0.75"
Townhomes
20,826
Largest band: < 0.50"
Multifamily Properties
50,446
Largest band: 0.50-0.75"
Mapped Hail BandSingle-FamilyTownhomesMultifamily
< 0.50"43,13111,90421,589
0.50-0.75"47,1195,84422,419
0.75-1.00"15,8982,2984,111
1.00-1.25"4,6367202,150
1.25-1.50"1,05957177
1.50-1.75"5720
1.75-2.00"3510

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.

Affected Cities

Cities Inside the Allentown, PA Hail Map

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.

ParsippanyNJ
3K homes in the hail path
Morris PlainsNJ
2K homes in the hail path
Rainbow LakesNJ
2K homes in the hail path
Mount TaborNJ
2K homes in the hail path
Mountain LakesNJ
1K homes in the hail path
HopatcongNJ
4K homes in the hail path
GlendoraNJ
4K homes in the hail path
MorristownNJ
4K homes in the hail path
Mount EphraimNJ
3K homes in the hail path
RockawayNJ
3K homes in the hail path
MiddlesexNJ
3K homes in the hail path
MagnoliaNJ
3K homes in the hail path
Showing 12 of 68 cities

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.

ZIP Codes

ZIP Codes Inside the Allentown, PA Hail Swath Map

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.

18656PA
804 homes in the hail path
07950Morris Plains, NJ
5K homes in the hail path
07834Rainbow Lakes, NJ
5K homes in the hail path
07046Mountain Lakes, NJ
1K homes in the hail path
07054Parsippany, NJ
4K homes in the hail path
07825Marksboro, NJ
2K homes in the hail path
18655Mocanaqua, PA
1K homes in the hail path
18621Silkworth, PA
654 homes in the hail path
18612Dallas, PA
510 homes in the hail path
07832Hainesburg, NJ
399 homes in the hail path
07878Mount Tabor, NJ
347 homes in the hail path
08083Somerdale, NJ
4K homes in the hail path
Showing 12 of 77 ZIP codes

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 Reports

Public Hail, Wind, and Tornado Reports

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 & TimeHail SizeCityStateDescription
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.).

Showing 9 public hail reports

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.

Related Hail Maps

Related Hail Maps in the Allentown, PA Region

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.

Remote Hail Inspection

Local Hail Review Options Near Allentown, PA

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.

Get a Free Hail Report by Address

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.

A Participating Local Pro

Find a roof or exterior pro serving the Allentown, PA region who can help you understand what the property hail signal may mean.

Remote Hail Inspection

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.

FAQ

Frequently Asked Questions

Common questions about the September 9, 2023 Allentown, PA hail event.

How big was the hail in Allentown, PA on September 9, 2023?
Mapped hail estimates reached up to 1.75" in the Allentown, PA area on September 9, 2023.
How accurate is this Allentown, PA hail map?
This hail map is based on mapped hail estimates, with public storm report context shown where available. It helps show where stronger hail may have occurred during the September 9, 2023 storm event, but it does not confirm property damage at any one address.
What does the Event Inspection Score of Moderate mean?
For this Allentown, PA event, the Event Inspection Score is Moderate. The score reflects how strong the hail-history signal is and whether a closer roof or exterior review may make sense. A higher score means a stronger signal, not confirmed damage.
How many people were in the Allentown, PA hail area?
An estimated 325,899 people live inside the mapped hail footprint, which covers about 605 square miles. This is an estimate of residents inside the storm area, not a count of people who reported damage.
How many storm reports came from this event?
For the September 9, 2023 Allentown, PA event, public storm report tables currently list 9 hail reports, 6 wind reports, and 0 tornado reports. Public reports are point observations and are not available for every location.
Can I use this Allentown, PA hail map for my business or content?
Yes. This hail map is free to use and share for marketing, print, blogs, content, research, and similar uses as long as attribution is included with a link back to this page. Use the Share button on the map to copy a ready-made credit line. Use is also subject to our Terms of Use.
How often is this hail map updated?
This event map was generated shortly after the storm and was last reviewed on August 28, 2026. It may be updated as additional hail data or public storm reports become available.
My home is in the Allentown, PA area — what should I do?
If your address falls inside a mapped hail band from the September 9, 2023 storm event, check a free Hail Report by Address for an address-level first look. You can also ask a qualified local pro whether a closer roof or exterior review may make sense.
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