This alert expired on 23 June 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 121 recorded within 20 km of this point since 16 March 2026 — 3 others scored the same. The last comparable one was on 22 June 2026. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 22 at 7:17PM CDT until June 22 at 8:00PM CDT by NWS Huntsville AL
An estimated 342,371 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 9, 2026 · score 43 · 11.0 km
- May 22, 2026 · score 67 · 11.1 km
- August 10, 2026 · score 43 · 12.6 km
How we know
Confirmed by 21 independent sources, including NOAA.
Our own score for this event is 67 out of 100, at 89 % 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 | Critical |
| Calamity Score (ours) | 67 / 100 |
| Our confidence | 89% |
| Coordinates | 34.8000, -86.5480 |
| Nearest City | Huntsville (9 km) |
| Population Exposed | 342.4K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-23T00:17:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a9d2ad605e0bc916817c51c44ce0eb62f349219f.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jackson, AL; Madison, AL |
| Headline | Tornado Warning issued June 22 at 7:17PM CDT until June 22 at 8:00PM CDT by NWS Huntsville AL |
| Expires | 2026-06-22T20:00:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 4 NE Huntsville |
| Iem County | Madison |
| Iem State | AL |
| Iem Wfo | HUN |
| Iem Remark | Powerlines down. |
| MergedSources | [{"id":"iem_D_34.880_-86.540_1782161580000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161580000,"latitude":34.88,"longitude":-86.54},{"id":"iem_D_34.850_-86.740_1782160800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782160800000,"latitude":34.85,"longitude":-86.74},{"id":"iem_D_34.830_-86.610_1782164100000","source":"iem","severity":"low","severityValue":25,"timestamp":1782164100000,"latitude":34.83,"longitude":-86.61},{"id":"iem_D_34.740_-86.570_1782161820000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161820000,"latitude":34.74,"longitude":-86.57},{"id":"iem_D_34.710_-85.740_1782158040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782158040000,"latitude":34.71,"longitude":-85.74},{"id":"iem_D_34.840_-86.660_1782161580000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161580000,"latitude":34.84,"longitude":-86.66},{"id":"iem_D_34.800_-86.970_1782160080000","source":"iem","severity":"low","severityValue":25,"timestamp":1782160080000,"latitude":34.8,"longitude":-86.97},{"id":"iem_D_34.710_-86.930_1782160500000","source":"iem","severity":"low","severityValue":25,"timestamp":1782160500000,"latitude":34.71,"longitude":-86.93},{"id":"iem_D_34.910_-86.090_1782163320000","source":"iem","severity":"low","severityValue":25,"timestamp":1782163320000,"latitude":34.91,"longitude":-86.09},{"id":"iem_D_34.830_-86.520_1782161820000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161820000,"latitude":34.83,"longitude":-86.52},{"id":"iem_D_34.860_-86.610_1782161460000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161460000,"latitude":34.86,"longitude":-86.61},{"id":"iem_D_34.910_-86.400_1782162240000","source":"iem","severity":"low","severityValue":25,"timestamp":1782162240000,"latitude":34.91,"longitude":-86.4},{"id":"iem_D_34.820_-86.490_1782162180000","source":"iem","severity":"low","severityValue":25,"timestamp":1782162180000,"latitude":34.82,"longitude":-86.49},{"id":"iem_D_34.910_-86.430_1782162240000","source":"iem","severity":"low","severityValue":25,"timestamp":1782162240000,"latitude":34.91,"longitude":-86.43},{"id":"iem_D_34.910_-87.320_1782158580000","source":"iem","severity":"low","severityValue":25,"timestamp":1782158580000,"latitude":34.91,"longitude":-87.32},{"id":"iem_D_34.840_-86.520_1782161760000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161760000,"latitude":34.84,"longitude":-86.52},{"id":"iem_D_34.890_-87.330_1782158160000","source":"iem","severity":"low","severityValue":25,"timestamp":1782158160000,"latitude":34.89,"longitude":-87.33},{"id":"iem_D_34.870_-86.470_1782161880000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161880000,"latitude":34.87,"longitude":-86.47},{"id":"iem_D_34.570_-86.140_1782158040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782158040000,"latitude":34.57,"longitude":-86.14},{"id":"iem_D_34.740_-86.570_1782161760000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161760000,"latitude":34.74,"longitude":-86.57}] |
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 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.
Want to know when something happens near Huntsville?
Calamity.live data shows a weather event with CalamityScore 67/100, near Huntsville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.