This alert expired on 17 June 2026 at 08:00 UTC. It is kept here as a record.
It is the 4th strongest of the 27 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 18 June 2026. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued June 16 at 2:47PM CDT until June 17 at 10:00AM CDT by NWS Tulsa OK
An estimated 35,603 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 19, 2026 · score 22 · 16.1 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 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 80% |
| Coordinates | 39.1363, -91.2307 |
| Nearest City | Wentzville (49 km) |
| Population Exposed | 35.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-19T12:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.28833b95e926fac3206c000085febe9e |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Ottawa, OK; Vernon, MO; St. Clair, MO; Vernon, MO and 22 more areas |
| Headline | Flood Warning issued June 16 at 2:47PM CDT until June 17 at 10:00AM CDT by NWS Tulsa OK |
| Expires | 2026-06-17T03:00:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 25 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.28833b95e926fac3206c000085febe9e2573449f.001.1","noaa_urn:oid:2.49.0.1.840.0.8269959e0f0daa00cd4d31742a29297995adb42e.002.1","noaa_urn:oid:2.49.0.1.840.0.8269959e0f0daa00cd4d31742a29297995adb42e.001.1","noaa_urn:oid:2.49.0.1.840.0.a01e36956321b9dde7b35c55d89de918265fcd20.001.1","noaa_urn:oid:2.49.0.1.840.0.92bf09f4291f58ac044fabd96fc48f324dd7036c.003.1","noaa_urn:oid:2.49.0.1.840.0.faa9104a6525300a47ecedff6e93310d47d3e320.004.1","noaa_urn:oid:2.49.0.1.840.0.faa9104a6525300a47ecedff6e93310d47d3e320.005.1","noaa_urn:oid:2.49.0.1.840.0.31e8cfabb01239571ee16dbacb92e80446b9c5e9.001.1","noaa_urn:oid:2.49.0.1.840.0.03298779c6a37550063f343557fba0b339c5fea6.001.1","noaa_urn:oid:2.49.0.1.840.0.f875f3bc6a25d82885b20908bc7d4f2d175fa9ba.001.1","noaa_urn:oid:2.49.0.1.840.0.f875f3bc6a25d82885b20908bc7d4f2d175fa9ba.002.1","noaa_urn:oid:2.49.0.1.840.0.d13e48f64fd8cfac16206c60f2b41dd0f4f9cf47.002.1","noaa_urn:oid:2.49.0.1.840.0.d13e48f64fd8cfac16206c60f2b41dd0f4f9cf47.001.1","noaa_urn:oid:2.49.0.1.840.0.d6061b9f80293d1fa74f66a30e2e26ba24251c56.001.1","noaa_urn:oid:2.49.0.1.840.0.7507bdf346debdd555ddd185473f1657eddb36d7.002.1","noaa_urn:oid:2.49.0.1.840.0.7507bdf346debdd555ddd185473f1657eddb36d7.001.1","noaa_urn:oid:2.49.0.1.840.0.c7c00e383cfcd6c38d0d431a6d57774c2ced49fb.001.1","noaa_urn:oid:2.49.0.1.840.0.75b290088015509584fc60da3eee76c34f610e21.001.1","noaa_urn:oid:2.49.0.1.840.0.75b290088015509584fc60da3eee76c34f610e21.003.1","noaa_urn:oid:2.49.0.1.840.0.75b290088015509584fc60da3eee76c34f610e21.002.1","noaa_urn:oid:2.49.0.1.840.0.bca413b3709702a923c10d1cc1c2268a5efdfe75.001.1","noaa_urn:oid:2.49.0.1.840.0.faa9104a6525300a47ecedff6e93310d47d3e320.003.1","noaa_urn:oid:2.49.0.1.840.0.faa9104a6525300a47ecedff6e93310d47d3e320.002.1","noaa_urn:oid:2.49.0.1.840.0.56f399e9aec6cd2e5cb3efcde5839c83b4cf8f39.001.1","noaa_urn:oid:2.49.0.1.840.0.c68be7f009b47099608cc7a6461261f13c7c96b0.001.1"] |
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 in this area?
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.