Hail Swath Map Preview
The Charleston, SC hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 1.75". There are 3 public hail reports, 1 public wind reports, and 0 nearby tornado reports listed for the March 31, 2021 event.
View the March 31, 2021 Charleston, SC 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 Charleston, SC Hail Map
The March 31, 2021 hail swath map for Charleston, SC covers approximately 411 square miles and includes an estimated 71,077 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 142 square miles. The highest estimated population exposure is in the < 0.50" hail band with 28,215 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 142 sq mi | 28,215 |
| 0.50-0.75" | 138 sq mi | 20,041 |
| 0.75-1.00" | 74 sq mi | 6,928 |
| 1.00-1.25" | 26 sq mi | 4,079 |
| 1.25-1.50" | 14 sq mi | 2,369 |
| 1.50-1.75" | 13 sq mi | 9,360 |
| 1.75-2.00" | 5 sq mi | 85 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the March 31, 2021 Charleston, SC hail event may have reached your area.
Housing Exposure Inside the Charleston, SC Hail Swath Map
Inside the March 31, 2021 hail swath map area for Charleston, SC, HailGeeks estimates 27,784 single-family homes, 1,614 townhomes, and 5,832 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 10,866 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 10,866 | 591 | 2,589 |
| 0.50-0.75" | 6,979 | 319 | 1,534 |
| 0.75-1.00" | 2,925 | 166 | 670 |
| 1.00-1.25" | 1,753 | 361 | 271 |
| 1.25-1.50" | 1,019 | 66 | 130 |
| 1.50-1.75" | 4,191 | 111 | 638 |
| 1.75-2.00" | 51 | 0 | 0 |
Use this table to review housing exposure by hail band for the March 31, 2021 Charleston, SC hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Charleston, SC Hail Map
Hail from the March 31, 2021 storm was mapped across 9 counties in the Charleston, SC region. Colleton County, SC had the strongest mapped signal, peaking at 1.75" with roughly 1,279 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 Charleston, SC Hail Map
Zooming in, the swath touched 8 cities near Charleston, SC. Goose Creek, SC had the strongest mapped signal at 1.50", with an estimated 10,271 single-family homes exposed.
City cards show where the March 31, 2021 Charleston, SC 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 Charleston, SC Hail Swath Map
At the ZIP level, the March 31, 2021 Charleston, SC hail map spans 25 ZIP codes. ZIP 29488 shows the strongest local signal, with mapped hail estimates up to 1.75" and an estimated single-family-home exposure of 444.
Check your ZIP in seconds to see whether hail activity from the March 31, 2021 Charleston, SC event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the March 31, 2021 hail map for Charleston, SC currently list 3 public hail reports, 1 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
March 31, 2021 4:54 PM CT |
1.00 in | Canadys | SC | CANADYS FIRE DEPARTMENT REPORTS QUARTER SIZED HAIL. |
March 31, 2021 6:26 PM CT |
1.00 in | 3 SSW Summerville | SC | HAIL FELL FOR ABOUT 2 MINUTES. |
March 31, 2021 6:47 PM CT |
1.75 in | 3 N Goose Creek | SC | A MEMBER OF THE PUBLIC RELAYED A PICTURE OF HAIL TO THE SIZE OF GOLF BALLS OFF MOORHEN DR. IN GOOSE CREEK. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
March 31, 2021 6:47 PM CT | 4 NNE Hendersonville | SC | TREE DOWN ON HENDERSONVILLE HIGHWAY NEAR SEE SAW 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 March 31, 2021 Charleston, SC storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Charleston, SC Region
We found 0 more hail maps with reports from the same Charleston, SC region as the March 31, 2021 event.
If none of these related Charleston, SC 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 Charleston, SC region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Charleston, SC
Not sure whether the March 31, 2021 Charleston, SC 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 Charleston, SC 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 March 31, 2021 Charleston, SC event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Charleston, SC 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 March 31, 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 March 31, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Charleston, SC 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 March 31, 2021 Charleston, SC hail event.