This alert expired on 15 March 2026 at 14:45 UTC. It is kept here as a record.
It is the 45th strongest of the 116 detections recorded within 20 km of this point since 11 March 2026. The last comparable one was on 13 March 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 13 at 9:35PM CDT by NWS St Louis MO
An estimated 33,463 people live within 50 km of this point.
Nearby, since 11 March 2026
- March 13, 2026 · score 34 · 0.8 km
- June 26, 2026 · score 34 · 5.7 km
- March 14, 2026 · score 34 · 5.9 km
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 79 % 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 79% |
| Coordinates | 38.4939, -87.4515 |
| Nearest City | Vincennes (22 km) |
| Population Exposed | 33.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-14T02:35:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood-Warning_noaa_urn-oid-2_49_0_1_840_0_103563be6d69e6c5ee1f7f42db17d587 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clinton, IL; Daviess, IN; Gibson, IN; Knox, IN; Pike, IN; Edwards, IL; Gallatin, IL; Wabash, IL; White, IL; Gibson, IN; Knox, IN; Posey, IN and 9 more areas |
| Headline | Flood Warning issued March 13 at 9:35PM CDT by NWS St Louis MO |
| Expires | 2026-03-15T09:45:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 15 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.103563be6d69e6c5ee1f7f42db17d587eaa77d80.001.1","noaa_urn:oid:2.49.0.1.840.0.57f3819acdbb8c468ceda7cd6fd6a2b788482309.003.1","noaa_urn:oid:2.49.0.1.840.0.57f3819acdbb8c468ceda7cd6fd6a2b788482309.002.1","noaa_urn:oid:2.49.0.1.840.0.57f3819acdbb8c468ceda7cd6fd6a2b788482309.004.1","noaa_urn:oid:2.49.0.1.840.0.57f3819acdbb8c468ceda7cd6fd6a2b788482309.005.1","noaa_urn:oid:2.49.0.1.840.0.57f3819acdbb8c468ceda7cd6fd6a2b788482309.001.1","noaa_urn:oid:2.49.0.1.840.0.57f3819acdbb8c468ceda7cd6fd6a2b788482309.008.1","noaa_urn:oid:2.49.0.1.840.0.57f3819acdbb8c468ceda7cd6fd6a2b788482309.009.1","noaa_urn:oid:2.49.0.1.840.0.57f3819acdbb8c468ceda7cd6fd6a2b788482309.006.1","noaa_urn:oid:2.49.0.1.840.0.38dd1980d7a6ccdd25a43966615f94a5225f6a8d.001.1","noaa_urn:oid:2.49.0.1.840.0.01ccd54f09408ddab53356d71eca4612b0255d59.002.1","noaa_urn:oid:2.49.0.1.840.0.2f938acdb8c954173c68286dd4145fa559581ce1.001.1","noaa_urn:oid:2.49.0.1.840.0.cdd94bf500f640cfb8324fed2f8ec25f2ace21d3.001.1","noaa_urn:oid:2.49.0.1.840.0.e1e187d0e7e6f5be66bc7457751799624ea8212d.001.1","noaa_urn:oid:2.49.0.1.840.0.57f3819acdbb8c468ceda7cd6fd6a2b788482309.007.1"] |
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.
Want to know when something happens near Vincennes?
Calamity.live data shows a weather event with CalamityScore 34/100, near Vincennes (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.