Right now
The most recent data we hold from SPC arrived 83 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.
Reported by SPC 175 days ago.
It is the 2nd strongest of the 186 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 32 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 3 SW Kettering, Montgomery, OH. Large tree down blocking road near Alex Bell and Ladera. Time estimated. (ILN)
An estimated 794,559 people live within 50 km of this point.
Nearby, since 15 March 2026
- March 16, 2026 · score 48 · 0.0 km
- September 5, 2026 · score 41 · 4.4 km
- September 4, 2026 · score 41 · 4.4 km
How we know
Confirmed by 6 independent sources, including SPC.
Our own score for this event is 48 out of 100, at 91 % 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) | 48 / 100 |
| Our confidence | 91% |
| Coordinates | 39.6600, -84.2000 |
| Nearest City | Kettering (4 km) |
| Population Exposed | 794.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T05:27:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 3 SW Kettering |
| County | Montgomery |
| State | OH |
| Comments | Large tree down blocking road near Alex Bell and Ladera. Time estimated. (ILN) |
| Iem TypeSummary | G |
| Iem Magnitude | 54 |
| Iem Unit | MPH |
| Iem City | 3 N Springboro |
| Iem County | Montgomery |
| Iem State | OH |
| Iem Wfo | ILN |
| Iem Remark | ASOS station KMGY Dayton Wright Brothers Airport. |
| MergedSources | [{"id":"iem_G_39.460_-84.250_1773639300000","source":"iem","severity":"low","severityValue":25,"timestamp":1773639300000,"latitude":39.46,"longitude":-84.25},{"id":"iem_D_39.660_-84.200_1773638820000","source":"iem","severity":"low","severityValue":25,"timestamp":1773638820000,"latitude":39.66,"longitude":-84.2},{"id":"iem_N_39.590_-84.230_1773636180000","source":"iem","severity":"low","severityValue":25,"timestamp":1773636180000,"latitude":39.59,"longitude":-84.23},{"id":"iem_G_39.110_-84.420_1773639180000","source":"iem","severity":"low","severityValue":25,"timestamp":1773639180000,"latitude":39.11,"longitude":-84.42},{"id":"iem_G_39.590_-84.230_1773638940000","source":"iem","severity":"low","severityValue":25,"timestamp":1773638940000,"latitude":39.59,"longitude":-84.23}] |
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.
Want to know when something happens near Kettering?
Calamity.live data shows a weather event with CalamityScore 48/100, near Kettering (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.