Calamity
mediumSevere weatherCalamity Score: 39

Severe weather in United States

GrantUnited StatesNOAA

This alert expired on 23 May 2026 at 16:45 UTC. It is kept here as a record.

No stronger detection stands among the 12 recorded within 20 km of this point since 23 May 2026 — 2 others scored the same. 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 10:50AM CDT until May 23 at 11:45AM CDT by NWS Shreveport LA

An estimated 66,254 people live within 50 km of this point.

Nearby, since 23 May 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 79 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Event Data

TypeSevere weather
Severitymedium
Calamity Score (ours)39 / 100
Our confidence79%
Coordinates31.6186, -92.7454
Nearest CityNatchitoches (36 km)
Population Exposed66.3K within 50 km
Impact Tiersignificant
Timestamp2026-05-23T15:50:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.4d253b91230eaa4e95847c863ed999c5

Score Breakdown

35
intensity
55
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBienville, LA; Grant, LA; Natchitoches, LA; Winn, LA; Rapides, LA; Grant, LA; La Salle, LA; Natchitoches, LA; Winn, LA and 1 more areas
HeadlineSevere Thunderstorm Warning issued May 23 at 10:50AM CDT until May 23 at 11:45AM CDT by NWS Shreveport LA
Expires2026-05-23T11:45:00-05:00
SenderNameNWS Shreveport LA
HasExactCoordstrue
MergedCount4
MergedIds["noaa_urn:oid:2.49.0.1.840.0.4d253b91230eaa4e95847c863ed999c5271865bd.001.1","noaa_urn:oid:2.49.0.1.840.0.b6a48d5b81958df2b8ad3e58e0628315fec9ede7.001.1","noaa_urn:oid:2.49.0.1.840.0.aa8996987be8c6a535049eb53125263866cbd1ce.001.1","noaa_urn:oid:2.49.0.1.840.0.a8e63f6aea100f17b33cac5b0d5946fcf9a3c3e1.001.1"]

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 10 February 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 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.