Right now
The most recent data we hold from NOAA arrived 7 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 11 June 2026 at 17:06 UTC. It is kept here as a record.
It is the 8th strongest of the 32 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 11:56AM CDT until June 11 at 12:00PM CDT by NWS La Crosse WI
An estimated 121,244 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 1, 2026 · score 43 · 16.2 km
- June 24, 2026 · score 67 · 22.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 81% |
| Coordinates | 43.7385, -90.8967 |
| Nearest City | La Crosse (28 km) |
| Population Exposed | 121.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T16:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.6e3c94596bc4ab929d9da89f84dc84dd |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Monroe, WI; Vernon, WI; La Crosse, WI |
| Headline | Severe Thunderstorm Warning issued June 11 at 11:56AM CDT until June 11 at 12:00PM CDT by NWS La Crosse WI |
| Expires | 2026-06-11T12:06:00-05:00 |
| SenderName | NWS La Crosse WI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6e3c94596bc4ab929d9da89f84dc84dddb60562d.001.1","noaa_urn:oid:2.49.0.1.840.0.3c9939ea6ec25ecdc17b2a772e6a84c740e008a5.001.1"] |
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 8 March 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.
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