Hail Swath Map Preview
The Phoenix, AZ hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 1.50". There are 0 public hail reports, 7 public wind reports, and 0 nearby tornado reports listed for the August 18, 2021 event.
View the August 18, 2021 Phoenix, AZ 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 Phoenix, AZ Hail Map
The August 18, 2021 hail swath map for Phoenix, AZ covers approximately 630 square miles and includes an estimated 372,359 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 290 square miles. The highest estimated population exposure is in the < 0.50" hail band with 162,616 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 290 sq mi | 162,616 |
| 0.50-0.75" | 244 sq mi | 141,967 |
| 0.75-1.00" | 75 sq mi | 61,065 |
| 1.00-1.25" | 14 sq mi | 6,568 |
| 1.25-1.50" | 5 sq mi | 97 |
| 1.50-1.75" | 2 sq mi | 46 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 18, 2021 Phoenix, AZ hail event may have reached your area.
Housing Exposure Inside the Phoenix, AZ Hail Swath Map
Inside the August 18, 2021 hail swath map area for Phoenix, AZ, HailGeeks estimates 132,013 single-family homes, 11,706 townhomes, and 71,127 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 59,101 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 59,101 | 5,362 | 30,758 |
| 0.50-0.75" | 46,734 | 4,514 | 29,278 |
| 0.75-1.00" | 23,052 | 1,706 | 10,017 |
| 1.00-1.25" | 3,010 | 122 | 1,074 |
| 1.25-1.50" | 80 | 1 | 0 |
| 1.50-1.75" | 36 | 1 | 0 |
Use this table to review housing exposure by hail band for the August 18, 2021 Phoenix, AZ hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Phoenix, AZ Hail Map
Hail from the August 18, 2021 storm was mapped across 4 counties in the Phoenix, AZ region. Maricopa County, AZ had the strongest mapped signal, peaking at 1.50" with roughly 117,967 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 Phoenix, AZ Hail Map
Zooming in, the swath touched 16 cities near Phoenix, AZ. Phoenix, AZ had the strongest mapped signal at 1.00", with an estimated 75,434 single-family homes exposed.
City cards show where the August 18, 2021 Phoenix, AZ 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 Phoenix, AZ Hail Swath Map
At the ZIP level, the August 18, 2021 Phoenix, AZ hail map spans 44 ZIP codes. ZIP 85331 shows the strongest local signal, with mapped hail estimates up to 1.50" and an estimated single-family-home exposure of 3,896.
Check your ZIP in seconds to see whether hail activity from the August 18, 2021 Phoenix, AZ event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the August 18, 2021 hail map for Phoenix, AZ currently list 0 public hail reports, 7 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 18, 2021 3:15 PM CT | 4 N Paradise Valley | AZ | **DELAYED REPORT** REPORTS OF DOWNED TREES BETWEEN 56TH ST AND 70TH ST AROUND SHEA BLVD. | |
August 18, 2021 3:20 PM CT | 5 NNW Phoenix | AZ | **DELAYED REPORT** VERY LARGE TREES BLOWN OVER. TREE DIAMETER 12-18 INCHES AND HEIGHT OVER 30 FT. TIME BASED ON RADAR ESTIMATES W DOWNBURST. EST. ISOLATED WINDS 50-60 MPH... COMMON 30-40 MPH. | |
August 18, 2021 3:38 PM CT | 6 ENE Glendale | AZ | ROOF DAMAGE FROM AN APARTMENT COMPLEX LANDED ON A CAR. | |
August 18, 2021 3:40 PM CT | 4 NNE Glendale | AZ | **DELAYED REPORT** SPOTTER SHARED PICTURES OF A VERY LARGE UPROOTED TREES. ONE TREE FELL ONTO APARTMENT BUILDING AND THE OTHER ONTO A VEHICLE. DIAMETER OF THE TREES WERE AT LEAST 12-18 INCHES AND OVER 30 FEET HIGH. TIMING MATCHED DOWNBURST SIGNATURE ON RADAR. EST SPEEDS 50-60 MPH. | |
August 18, 2021 5:11 PM CT | 1 WNW Mesa | AZ | CORRECTS PREVIOUS FLASH FLOOD REPORT FROM 1 WNW MESA. LARGE TREE FELL ON POWER LINES... RESULTING IN POWER OUTAGE TO 600 CUSTOMERS. | |
August 18, 2021 7:10 PM CT | 3 E Avondale | AZ | MULTIPLE TREES SNAPPED. PICTURES SHARED VIA SOCIAL MEDIA CHANNELS. | |
August 18, 2021 8:00 PM CT | 4 E Ahwatukee Foothills | AZ | **DELAYED REPORT** REPORTS OF MULTIPLE SNAPPED AND DOWNED TREES IN THE AREA. TIMING MATCHED WITH RADAR. EST WIND GUST SPEEDS 50-60 MPH. |
| 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 18, 2021 Phoenix, AZ storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Phoenix, AZ Region
We found 6 more hail maps with reports from the same Phoenix, AZ region as the August 18, 2021 event. These related maps cover storm dates from Aug 9, 2021 through Aug 16, 2021, with mapped hail estimates ranging from 0.75" to 1.75". In this set, the strongest related map reached 1.75", and the most recent map shown is from Aug 16, 2021.
If none of these related Phoenix, AZ 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 Phoenix, AZ region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Phoenix, AZ
Not sure whether the August 18, 2021 Phoenix, AZ 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 Phoenix, AZ 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 18, 2021 Phoenix, AZ event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Phoenix, AZ 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 18, 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 18, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Phoenix, AZ 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 18, 2021 Phoenix, AZ hail event.