Reported by SPC 73 days ago.
It is the 27th strongest of the 85 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 16 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 1 S Florence, Boone, KY. A tree was downed onto a residential home. Tornado possible. (ILN)
An estimated 673,209 people live within 50 km of this point.
Nearby, since 11 March 2026
- July 21, 2026 · score 41 · 2.7 km
- August 11, 2026 · score 72 · 3.6 km
- April 28, 2026 · score 48 · 6.5 km
How we know
Confirmed by 3 independent sources, including SPC.
Our own score for this event is 41 out of 100, at 80 % 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) | 41 / 100 |
| Our confidence | 80% |
| Coordinates | 38.9900, -84.6300 |
| Nearest City | Florence (1 km) |
| Population Exposed | 673.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T04:42:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 1 S Florence |
| County | Boone |
| State | KY |
| Comments | A tree was downed onto a residential home. Tornado possible. (ILN) |
| Iem TypeSummary | D |
| Iem City | 1 S Florence |
| Iem County | Boone |
| Iem State | KY |
| Iem Wfo | ILN |
| Iem Remark | A tree was downed onto a residential home. Tornado possible. |
| MergedSources | [{"id":"iem_F_39.120_-84.200_1781776380000","source":"iem","severity":"low","severityValue":25,"timestamp":1781776380000,"latitude":39.12,"longitude":-84.2},{"id":"iem_D_38.990_-84.630_1781757720000","source":"iem","severity":"low","severityValue":25,"timestamp":1781757720000,"latitude":38.99,"longitude":-84.63}] |
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 41/100, near Florence (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.