Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 7 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 1 July 2026 at 02:30 UTC. It is kept here as a record.

It is the 6th strongest of the 15 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 20 June 2026. 2 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Special Marine Warning issued June 30 at 8:37PM CDT until June 30 at 9:30PM CDT by NWS New Orleans LA

An estimated 40,696 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 34 out of 100, at 84 % 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)34 / 100
Our confidence84%
Coordinates29.9480, -88.5900
Nearest CityPascagoula (47 km)
Population Exposed40.7K within 50 km
Impact Tiersignificant
Timestamp2026-07-01T01:37:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.257cc843b27488e2a1b1a4f0fef22cbf4e7447eb.001.1

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescChandeleur Sound; Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM; Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM
HeadlineSpecial Marine Warning issued June 30 at 8:37PM CDT until June 30 at 9:30PM CDT by NWS New Orleans LA
Expires2026-06-30T21:30:00-05:00
SenderNameNWS New Orleans LA
HasExactCoordstrue
Iem TypeSummaryD
Iem City8 E Escatawpa
Iem CountyJackson
Iem StateMS
Iem WfoLIX
Iem RemarkTree downed over Valley Forge Rd. Time estimated by radar.
MergedSources[{"id":"iem_D_30.490_-88.420_1782865200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782865200000,"latitude":30.49,"longitude":-88.42}]

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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Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.