Right now
The most recent data we hold from SPC arrived 5 minutes ago, and this point is in it.
67 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
Reported by SPC today.
It is the 15th strongest of the 109 detections recorded within 20 km of this point since 8 March 2026. Another comparable one was recorded here earlier the same day. 69 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 1 N Madisonville, St. Tammany, LA. Tree down on power lines with power lines down. (LIX)
Urban PEI: 426,355 within a heuristic 50 km radius; not unique people.
Nearby, since 8 March 2026
- May 9, 2026 · score 39 · 4.3 km
- June 18, 2026 · score 37 · 6.9 km
- July 10, 2026 · score 48 · 15.2 km
How we know
2 recorded sources include SPC; independence is not established by this count.
Our own score for this event is 37 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Legacy data-support index | 0.66/1 |
| Coordinates | 30.4100, -90.1700 |
| Nearest City | Hammond (30 km) |
| Urban exposure index (PEI) | 426.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-22T08:18:41.678Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: spc. Occurrence: 2026-09-22T08:18:41.678Z.
First archived: 2026-09-22T07:28:23.581Z. Material modification: 2026-09-22T08:22:13.507Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-22T08:22:13.507Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-22T08:16:51.784Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-22T08:11:31.413Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-22T08:00:49.565Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-22T07:55:28.375Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-22T07:50:04.177Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-22T07:44:43.194Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-22T07:39:20.996Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-22T07:33:56.241Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 1 N Madisonville |
| County | St. Tammany |
| State | LA |
| Comments | Tree down on power lines with power lines down. (LIX) |
| Iem TypeSummary | M |
| Iem Magnitude | 45 |
| Iem Unit | MPH |
| Iem City | 5 SSE East New Orleans |
| Iem County | Orleans |
| Iem State | LA |
| Iem Wfo | LIX |
| Iem Remark | Mesonet station XBYU Bayou Bienvenue (Vertical Lift). |
| MergedSources | [{"id":"iem_M_30.040_-90.030_1790053260000","source":"iem","severity":"low","severityValue":25,"timestamp":1790053260000,"latitude":30.04,"longitude":-90.03},{"id":"iem_M_30.000_-89.900_1790053080000","source":"iem","severity":"low","severityValue":25,"timestamp":1790053080000,"latitude":30,"longitude":-89.9}] |
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.
Review the area, threshold and delivery channel in your account.
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