Reported by SPC 170 days ago.
No stronger detection stands among the 186 recorded within 20 km of this point since 16 March 2026 — 105 others scored the same. Another comparable one was recorded here earlier the same day. 179 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Hail 175 in near 7 S Jonesville, Catahoula, LA. (JAN)
An estimated 15,128 people live within 50 km of this point.
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 40 out of 100, at 87 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | high |
| Calamity Score (ours) | 40 / 100 |
| Our confidence | 87% |
| Coordinates | 31.5200, -91.8100 |
| Nearest City | Natchez (39 km) |
| Population Exposed | 15.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T03:03:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 175 |
| Location | 7 S Jonesville |
| County | Catahoula |
| State | LA |
| Comments | (JAN) |
| Iem TypeSummary | G |
| Iem Magnitude | 57 |
| Iem Unit | MPH |
| Iem City | 3 SSW Jonesville |
| Iem County | Catahoula |
| Iem State | LA |
| Iem Wfo | JAN |
| Iem Remark | 57.3 mph measured at the Jonesville ULM mesonet site. |
| MergedSources | [{"id":"iem_G_31.590_-91.850_1773629700000","source":"iem","severity":"low","severityValue":25,"timestamp":1773629700000,"latitude":31.59,"longitude":-91.85}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 40/100 (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.