This alert expired on 27 June 2026 at 10:00 UTC. It is kept here as a record.
It is the 4th strongest of the 56 detections recorded within 20 km of this point since 4 April 2026. Another comparable one was recorded here earlier the same day. 12 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 27 at 12:24AM CDT until June 27 at 5:00AM CDT by NWS Tulsa OK
An estimated 72,227 people live within 50 km of this point.
Nearby, since 4 April 2026
- June 23, 2026 · score 39 · 7.1 km
- June 17, 2026 · score 63 · 15.0 km
- June 30, 2026 · score 39 · 18.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 85 % 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) | 39 / 100 |
| Our confidence | 85% |
| Coordinates | 36.9965, -94.7181 |
| Nearest City | Joplin (21 km) |
| Population Exposed | 72.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-27T05:24:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.ca2841935f676847eb394707c4e67b4e |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Craig, OK; Delaware, OK; Ottawa, OK; Cherokee, KS |
| Headline | Flash Flood Warning issued June 27 at 12:24AM CDT until June 27 at 5:00AM CDT by NWS Tulsa OK |
| Expires | 2026-06-27T05:00:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ca2841935f676847eb394707c4e67b4ed2ae5b9a.001.1","noaa_urn:oid:2.49.0.1.840.0.3c374c70dad4b3453466dede028b1e028596270b.001.1","noaa_urn:oid:2.49.0.1.840.0.caa72e4496c5c5e3e45cf659938de2502b916948.001.1"] |
| Iem TypeSummary | F |
| Iem City | Columbus |
| Iem County | Cherokee |
| Iem State | KS |
| Iem Wfo | SGF |
| Iem Remark | Reports of flooding between Columbus and Crestline, including Highway 160 and state highways along with numerous secondary roads. |
| MergedSources | [{"id":"iem_F_37.170_-94.840_1782522120000","source":"iem","severity":"low","severityValue":25,"timestamp":1782522120000,"latitude":37.17,"longitude":-94.84}] |
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 Joplin?
Calamity.live data shows a weather event with CalamityScore 39/100, near Joplin (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.