Right now
The most recent data we hold from SPC arrived 11 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
11 other detections within 20 km in the last 24 hours, the nearest 10 km from here.
Reported by SPC 68 days ago.
It is the 6th strongest of the 61 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 30 May 2026. 25 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Hail 100 in near 1 SSE Liberty, Washington, TN. Multiple reports via social media of quarter-sized hail in the Cassi community just southeast of Liberty... TN. (MRX)
An estimated 134,135 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 5, 2026 · score 43 · 1.8 km
- July 11, 2026 · score 43 · 2.4 km
- May 30, 2026 · score 39 · 6.7 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 49 out of 100, at 85 % 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 | High |
| Calamity Score (ours) | 49 / 100 |
| Our confidence | 85% |
| Coordinates | 36.1300, -82.6100 |
| Nearest City | Greeneville (20 km) |
| Population Exposed | 134.1K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-30T00:20:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 100 |
| Location | 1 SSE Liberty |
| County | Washington |
| State | TN |
| Comments | Multiple reports via social media of quarter-sized hail in the Cassi community just southeast of Liberty... TN. (MRX) |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 1 SSE Liberty |
| Iem County | Washington |
| Iem State | TN |
| Iem Wfo | MRX |
| Iem Remark | Multiple reports via social media of quarter-sized hail in the Cassi community just southeast of Liberty, TN. |
| MergedSources | [{"id":"iem_H_36.130_-82.610_1782778800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782778800000,"latitude":36.13,"longitude":-82.61}] |
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 Greeneville?
Calamity.live data shows a weather event with CalamityScore 49/100, near Greeneville (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.