Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

CassUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 3 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 23 May 2026 at 12:22 UTC. It is kept here as a record.

It is the 12th strongest of the 22 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 23 at 7:12AM CDT until May 23 at 7:15AM CDT by NWS Shreveport LA

An estimated 23,820 people live within 50 km of this point.

Nearby, since 15 March 2026

How we know

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

Our own score for this event is 34 out of 100, at 81 % 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 confidence81%
Coordinates32.9114, -94.4919
Nearest CityMarshall (43 km)
Population Exposed23.8K within 50 km
Impact Tiersignificant
Timestamp2026-05-23T12:12:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.326702e8350a522bb0e7c6dd8adb23e4

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescLittle River, AR; McCurtain, OK; Bowie, TX; Cass, TX; Morris, TX; Red River, TX; Titus, TX; Miller, AR; Caddo, LA; Cass, TX; Harrison, TX; Marion, TX; Panola, TX; Cass, TX; Harrison, TX; Marion, TX; Morris, TX; Panola, TX; Shelby, TX
HeadlineSevere Thunderstorm Warning issued May 23 at 7:12AM CDT until May 23 at 7:15AM CDT by NWS Shreveport LA
Expires2026-05-23T07:22:00-05:00
SenderNameNWS Shreveport LA
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.326702e8350a522bb0e7c6dd8adb23e410c670cb.001.1","noaa_urn:oid:2.49.0.1.840.0.e20b216fd209e37246beac05855cc278dece1d1e.001.1","noaa_urn:oid:2.49.0.1.840.0.04198536427e41756fc6f51516cad53578c8ce7a.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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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.