Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather near Seymour

JacksonUnited 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 23 May 2026 at 20:15 UTC. It is kept here as a record.

No stronger detection stands among the 38 recorded within 20 km of this point since 23 March 2026 — 8 others scored the same. The last comparable one was on 18 May 2026. 6 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Flood Warning issued May 23 at 4:14AM EDT until May 23 at 4:15PM EDT by NWS Charleston WV

An estimated 150,235 people live within 50 km of this point.

Nearby, since 23 March 2026

How we know

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

Our own score for this event is 43 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)43 / 100
Our confidence80%
Coordinates38.8875, -86.1050
Nearest CitySeymour (20 km)
Population Exposed150.2K within 50 km
Impact Tiersignificant
Timestamp2026-05-24T12:00:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.6bc7d5ad73abdce74596e0aaa7125c00

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventFlood Warning
UrgencyExpected
CertaintyLikely
AreaDescWashington, OH; Licking, OH; Hamilton, OH and 9 more areas
HeadlineFlood Warning issued May 23 at 4:14AM EDT until May 23 at 4:15PM EDT by NWS Charleston WV
Expires2026-05-23T16:15:00-04:00
SenderNameNWS Charleston WV
HasExactCoordstrue
MergedCount16
MergedIds["noaa_urn:oid:2.49.0.1.840.0.6bc7d5ad73abdce74596e0aaa7125c003339aa3f.001.1","noaa_urn:oid:2.49.0.1.840.0.cede222221ca6cdfecfef625c58c1d93e465e699.001.1","noaa_urn:oid:2.49.0.1.840.0.dacd0ef1d73e8c8e3ca902cefc2d0dbb2f60d051.001.1","noaa_urn:oid:2.49.0.1.840.0.f5d223eab1d0119d65f701b19834ae8383e7cbcf.001.1","noaa_urn:oid:2.49.0.1.840.0.f5d223eab1d0119d65f701b19834ae8383e7cbcf.005.1","noaa_urn:oid:2.49.0.1.840.0.f5d223eab1d0119d65f701b19834ae8383e7cbcf.003.1","noaa_urn:oid:2.49.0.1.840.0.f5d223eab1d0119d65f701b19834ae8383e7cbcf.004.1","noaa_urn:oid:2.49.0.1.840.0.f5d223eab1d0119d65f701b19834ae8383e7cbcf.002.1","noaa_urn:oid:2.49.0.1.840.0.688d63663cbd3f6e8b9bdced971f59091020fc8d.001.1","noaa_urn:oid:2.49.0.1.840.0.bb8eeafe0924d535bc0c628245334078b81956f6.001.1","noaa_urn:oid:2.49.0.1.840.0.d7d249deb751ad4262e7a89086098e4cc8cad350.004.1","noaa_urn:oid:2.49.0.1.840.0.d7d249deb751ad4262e7a89086098e4cc8cad350.001.1","noaa_urn:oid:2.49.0.1.840.0.d7d249deb751ad4262e7a89086098e4cc8cad350.006.1","noaa_urn:oid:2.49.0.1.840.0.d7d249deb751ad4262e7a89086098e4cc8cad350.003.1","noaa_urn:oid:2.49.0.1.840.0.d7d249deb751ad4262e7a89086098e4cc8cad350.002.1","noaa_urn:oid:2.49.0.1.840.0.d7d249deb751ad4262e7a89086098e4cc8cad350.005.1"]

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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