Verified storm · closed

73 mph wind verified in Lyon County, IA — September 2, 2026

Verified against measured NWS storm reports — ground-truth wind measurements, not radar hail estimates, and never forecasts.

Storm stats

CountyLyon County, IA
Max wind (NWS reports)73 mph
Swath area64 mi² (165 km²)
First radar detection2026-09-02 03:12 UTC
Last radar detection2026-09-02 03:47 UTC
Verified2026-09-02 03:33 UTC
Swath centroid43.3824, -96.0360
Storm IDsw_054ee5a1

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, 2 free trial credits, no card.

curl "https://swathapi.com/v1/swaths/sw_054ee5a1/properties?roof_age_min=10" \
  -H "Authorization: Bearer sk_..."
Get a free API key Read the docs

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.