Verified storm · closed
1.3–3" hail crossed Cheyenne County, CO — September 20, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Cheyenne County, CO |
|---|---|
| Max hail (MESH) | 3" |
| Mean hail (MESH) | 1.3" |
| Swath area | 332 mi² (860 km²) |
| Radar cells (~1 km grid) | 897 |
| First radar detection | 2026-09-20 20:20 UTC |
| Last radar detection | 2026-09-20 23:48 UTC |
| Verified | 2026-09-20 20:22 UTC |
| Swath centroid | 38.9604, -103.1121 |
| Storm ID | sw_587fffdc |
Address lookup — $8
Was your address under this swath?
Enter any US address — we build the full radar-verified report, this storm included, with hail sizes measured at the address. $8 one-time; the industry charges $14.95–$30 for a 3-mile-radius answer.
US ADDRESSES · GEOCODED VIA US CENSUS · WHY $8 WHEN OTHERS CHARGE $30 →
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, 2 free trial credits, no card.
curl "https://swathapi.com/v1/swaths/sw_587fffdc/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.
Cheyenne County, CO — verified storm record
Swath has 54 radar-verified hail storms on record for Cheyenne County, CO going back to July 2025, the largest measuring 3.62″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.
