Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather near Shenandoah

East Baton RougeUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 4 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 9 May 2026 at 16:15 UTC. It is kept here as a record.

It is the 25th strongest of the 65 detections recorded within 20 km of this point since 8 March 2026. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Flash Flood Warning issued May 9 at 8:13AM CDT until May 9 at 11:15AM CDT by NWS New Orleans LA

An estimated 317,507 people live within 50 km of this point.

Nearby, since 8 March 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 43 out of 100, at 86 % 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)43 / 100
Our confidence86%
Coordinates30.4250, -91.0613
Nearest CityShenandoah (6 km)
Population Exposed317.5K within 50 km
Impact Tiersignificant
Timestamp2026-05-09T13:13:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.76e8b9cd8ff22fc12f1395f6442abaa512608c52.001.1

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventFlash Flood Warning
UrgencyImmediate
CertaintyLikely
AreaDescAscension, LA; East Baton Rouge, LA; Iberville, LA; Livingston, LA; West Baton Rouge, LA
HeadlineFlash Flood Warning issued May 9 at 8:13AM CDT until May 9 at 11:15AM CDT by NWS New Orleans LA
Expires2026-05-09T11:15:00-05:00
SenderNameNWS New Orleans LA
HasExactCoordstrue
Iem TypeSummaryD
Iem City6 W Tickfaw
Iem CountyLivingston
Iem StateLA
Iem WfoLIX
Iem RemarkTree down on LA 442 east of LA 43.
MergedSources[{"id":"iem_D_30.580_-90.590_1778326740000","source":"iem","severity":"low","severityValue":25,"timestamp":1778326740000,"latitude":30.58,"longitude":-90.59}]

Safety Information

During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.

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 43/100, near Shenandoah (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.