Calamity
MediumSevere WeatherCalamity Score: 39

Severe Weather near Slidell

St. TammanyUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 27 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 6 June 2026 at 19:30 UTC. It is kept here as a record.

It is the 52nd strongest of the 74 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 1 June 2026. 9 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Special Marine Warning issued June 6 at 1:41PM CDT until June 6 at 2:30PM CDT by NWS New Orleans LA

An estimated 68,012 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 39 out of 100, at 80 % 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
SeverityMedium
Calamity Score (ours)39 / 100
Our confidence80%
Coordinates30.2162, -89.6540
Nearest CitySlidell (14 km)
Population Exposed68.0K within 50 km
Impact Tiersignificant
Timestamp2026-06-06T18:41:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.a6b150de656d8aaa732ee8d8ec46c860

Score Breakdown

35
intensity
55
population
0
cascading
80
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescMississippi Sound; Lake Pontchartrain
HeadlineSpecial Marine Warning issued June 6 at 1:41PM CDT until June 6 at 2:30PM CDT by NWS New Orleans LA
Expires2026-06-06T14:30:00-05:00
SenderNameNWS New Orleans LA
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.a6b150de656d8aaa732ee8d8ec46c8607ae6b968.001.1","noaa_urn:oid:2.49.0.1.840.0.c243a817c6cf2084e65700f7d6d05366dc2ea492.001.1"]

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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