This alert expired on 2 July 2026 at 22:48 UTC. It is kept here as a record.
No stronger detection stands among the 68 recorded within 20 km of this point since 16 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued July 2 at 5:38PM CDT until July 2 at 5:45PM CDT by NWS Milwaukee/Sullivan WI
An estimated 327,280 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 16, 2026 · score 58 · 9.1 km
- July 2, 2026 · score 67 · 14.5 km
- June 18, 2026 · score 43 · 17.0 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 67 out of 100, at 88 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 67 / 100 |
| Our confidence | 88% |
| Coordinates | 42.8510, -89.9160 |
| Nearest City | Fitchburg (38 km) |
| Population Exposed | 327.3K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-07-02T22:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.4618cb5855296272125f228d709fd001 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Iowa, WI; Lafayette, WI; Iowa, WI |
| Headline | Tornado Warning issued July 2 at 5:38PM CDT until July 2 at 5:45PM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-07-02T17:48:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4618cb5855296272125f228d709fd0016149fd16.001.1","noaa_urn:oid:2.49.0.1.840.0.fecd254f9f258c2e3b4cfe9666244d5392b701f4.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 60 |
| Iem Unit | MPH |
| Iem City | Livingston |
| Iem County | Grant |
| Iem State | WI |
| Iem Wfo | ARX |
| Iem Remark | Relayed by Emergency Management. |
| MergedSources | [{"id":"iem_G_42.890_-90.240_1783028400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783028400000,"latitude":42.89,"longitude":-90.24},{"id":"iem_G_42.700_-90.700_1783027500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783027500000,"latitude":42.7,"longitude":-90.7},{"id":"iem_G_43.210_-90.190_1783028040000","source":"iem","severity":"low","severityValue":25,"timestamp":1783028040000,"latitude":43.21,"longitude":-90.19},{"id":"iem_G_42.690_-90.440_1783028400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783028400000,"latitude":42.69,"longitude":-90.44},{"id":"iem_G_42.900_-90.430_1783026720000","source":"iem","severity":"low","severityValue":25,"timestamp":1783026720000,"latitude":42.9,"longitude":-90.43}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 67/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.