Calamity
CriticalSevere WeatherCalamity Score: 36

Severe Weather in United States

ConcordiaUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 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.

This alert expired on 12 March 2026 at 00:30 UTC. It is kept here as a record.

It is the strongest of the 9 detections recorded within 20 km of this point since 11 March 2026.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued March 11 at 6:55PM CDT until March 11 at 7:30PM CDT by NWS Jackson MS

Nearby, since 11 March 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 36 out of 100, at 62 % 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

TypeSevere Weather
SeverityCritical
Calamity Score (ours)36 / 100
Our confidence62%
Coordinates31.0990, -91.6164
Nearest CityNatchez (55 km)
Impact Tierminor
Timestamp2026-03-11T23:55:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe-Thunderstorm-Warning_noaa_urn-oid-2_49_0_1_840_0_465449247b77c2fc383aa4a304b5b144

Score Breakdown

70
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescAdams, MS; Acadia, LA; Avoyelles, LA and 2 more areas
HeadlineSevere Thunderstorm Warning issued March 11 at 6:55PM CDT until March 11 at 7:30PM CDT by NWS Jackson MS
Expires2026-03-11T19:30:00-05:00
SenderNameNWS Jackson MS
HasExactCoordstrue
MergedCount5
MergedIds["noaa_urn:oid:2.49.0.1.840.0.465449247b77c2fc383aa4a304b5b14460035ae0.002.1","noaa_urn:oid:2.49.0.1.840.0.4487f4a49dd00d2db5bf3eca5572bfe989fc017c.001.1","noaa_urn:oid:2.49.0.1.840.0.93477bfc8f1cc3cc0634875023d8d52b50166406.001.1","noaa_urn:oid:2.49.0.1.840.0.a22c8ffcc8bcb874f6fa95fefc547d40a09091fa.001.1","noaa_urn:oid:2.49.0.1.840.0.591fef0de8036a3b19b0d439ac51cd952e9f395c.001.1"]
Spc ReportTypetornado
Spc SpeedUNK
Spc Location2 NNE Cheneyville
Spc CountyRapides
Spc StateLA
Spc CommentsRapides parish 911 relayed a report of a tornado sighting by Cheneyville PD along Cheneyville-echo road. (LCH)
MergedSources[{"id":"spc_tornado_31.05_-92.28_1","source":"spc","severity":"critical","severityValue":95,"timestamp":1773268200000,"latitude":31.05,"longitude":-92.28}]

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.

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