This alert expired on 1 July 2026 at 16:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 34 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 1 at 10:40AM CDT until July 1 at 11:30AM CDT by NWS La Crosse WI
Nearby, since 15 March 2026
- June 6, 2026 · score 46 · 16.5 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 71 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 71% |
| Coordinates | 43.6218, -89.8806 |
| Nearest City | Middleton (66 km) |
| Impact Tier | minor |
| Date | 2026-07-01 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.484cf5b763ee9d541a324e11313ae889 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Adams, WI; Juneau, WI; Sauk, WI |
| Headline | Severe Thunderstorm Warning issued July 1 at 10:40AM CDT until July 1 at 11:30AM CDT by NWS La Crosse WI |
| Expires | 2026-07-01T11:30:00-05:00 |
| SenderName | NWS La Crosse WI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.484cf5b763ee9d541a324e11313ae88927c3d6f8.001.1","noaa_urn:oid:2.49.0.1.840.0.650e129a5dbe391a554622ef5b0ba8c388e43b86.001.1"] |
| Iem TypeSummary | D |
| Iem City | 6 E Viroqua |
| Iem County | Vernon |
| Iem State | WI |
| Iem Wfo | ARX |
| Iem Remark | Tree fell onto a road State Highway 82 near Brush Hollow Rd. |
| MergedSources | [{"id":"iem_H_43.460_-90.390_1782918000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782918000000,"latitude":43.46,"longitude":-90.39},{"id":"iem_G_44.040_-89.310_1782905760000","source":"iem","severity":"low","severityValue":25,"timestamp":1782905760000,"latitude":44.04,"longitude":-89.31},{"id":"iem_D_43.560_-90.770_1782899040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782899040000,"latitude":43.56,"longitude":-90.77}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.