Reported by SPC 168 days ago.
It is the 5th strongest of the 101 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 26 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 1 SSE Huntsville, Madison, AL. Tree blown down on a house at this location. (HUN)
An estimated 342,371 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 9, 2026 · score 43 · 2.5 km
- August 10, 2026 · score 43 · 5.8 km
- May 22, 2026 · score 67 · 10.6 km
How we know
Confirmed by 3 independent sources, including SPC.
Our own score for this event is 43 out of 100, at 91 % 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) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 34.7000, -86.6200 |
| Nearest City | Huntsville (4 km) |
| Population Exposed | 342.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T05:37:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 1 SSE Huntsville |
| County | Madison |
| State | AL |
| Comments | Tree blown down on a house at this location. (HUN) |
| Iem TypeSummary | O |
| Iem City | 1 S Somerville |
| Iem County | Morgan |
| Iem State | AL |
| Iem Wfo | HUN |
| Iem Remark | Tree down on power lines at this location. |
| MergedSources | [{"id":"iem_O_34.850_-86.660_1773637440000","source":"iem","severity":"low","severityValue":25,"timestamp":1773637440000,"latitude":34.85,"longitude":-86.66},{"id":"iem_O_34.460_-86.800_1773629160000","source":"iem","severity":"low","severityValue":25,"timestamp":1773629160000,"latitude":34.46,"longitude":-86.8}] |
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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Huntsville (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.