Verified storm · closed
1.2–1.7" hail crossed Marion County, IN — August 12, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Marion County, IN |
|---|---|
| Max hail (MESH) | 1.7" |
| Mean hail (MESH) | 1.2" |
| Swath area | 23 mi² (59 km²) |
| Radar cells (~1 km grid) | 62 |
| First radar detection | 2026-08-12 03:02 UTC |
| Last radar detection | 2026-08-12 03:26 UTC |
| Verified | 2026-08-12 03:03 UTC |
| Swath centroid | 39.6689, -86.0497 |
| Storm ID | sw_157186e7 |
Free address check
Was your address under this swath?
Enter any US address — we check it against every storm we've verified, this one included. Free, no login, storm history only.
US ADDRESSES · GEOCODED VIA US CENSUS · FULL HISTORY TOOL →
Every roof under this swath, one API call.
Get the property list for this storm — every affected parcel with roof age, owner-occupancy, and measured hail exposure. Free API key, 100 credits, no card.
curl "https://swathapi.com/v1/swaths/sw_157186e7/properties?roof_age_min=10" \ -H "Authorization: Bearer sk_..."
ASK CLAUDE OR CHATGPT ABOUT THIS STORM — SWATH WORKS INSIDE YOUR AI. CONNECT THE MCP SERVER
Want this every morning?
The Daily Swath — every verified storm, mapped, in your inbox at 9am ET.
Marion County, IN — verified storm record
Swath has 2 radar-verified hail storms on record for Marion County, IN going back to July 2026, the largest measuring 1.70″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.