This alert expired on 18 May 2026 at 08:00 UTC. It is kept here as a record.
It is the 5th strongest of the 33 detections recorded within 20 km of this point since 9 April 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 17 at 8:31PM CDT until May 18 at 3:00AM CDT by NWS Wichita KS
An estimated 36,809 people live within 50 km of this point.
Nearby, since 9 April 2026
- May 31, 2026 · score 40 · 19.0 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 89 % 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 | 89% |
| Coordinates | 38.6806, -98.8550 |
| Nearest City | Great Bend (37 km) |
| Population Exposed | 36.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T01:31:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.3ba2e78de4343531fb04a8880e41de4d |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Barton, KS; Ellsworth, KS; Lincoln, KS; Russell, KS; Pawnee, KS; Rush, KS |
| Headline | Flash Flood Warning issued May 17 at 8:31PM CDT until May 18 at 3:00AM CDT by NWS Wichita KS |
| Expires | 2026-05-18T03:00:00-05:00 |
| SenderName | NWS Wichita KS |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3ba2e78de4343531fb04a8880e41de4da73476f3.001.1","noaa_urn:oid:2.49.0.1.840.0.0a163d44460a695da82c339da1f7b3e1055dddc6.001.1"] |
| Iem TypeSummary | E |
| Iem City | 5 E Milberger |
| Iem County | Russell |
| Iem State | KS |
| Iem Wfo | ICT |
| Iem Remark | Reported minor flooding over roadways near the intersection of 187th St and Michaelis Rd. |
| MergedSources | [{"id":"iem_H_38.670_-98.830_1779073980000","source":"iem","severity":"low","severityValue":25,"timestamp":1779073980000,"latitude":38.67,"longitude":-98.83},{"id":"iem_H_38.710_-98.810_1779060840000","source":"iem","severity":"low","severityValue":25,"timestamp":1779060840000,"latitude":38.71,"longitude":-98.81},{"id":"iem_H_38.690_-98.840_1779062520000","source":"iem","severity":"low","severityValue":25,"timestamp":1779062520000,"latitude":38.69,"longitude":-98.84},{"id":"iem_H_38.700_-98.820_1779074340000","source":"iem","severity":"low","severityValue":25,"timestamp":1779074340000,"latitude":38.7,"longitude":-98.82},{"id":"iem_H_38.800_-98.660_1779059460000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059460000,"latitude":38.8,"longitude":-98.66},{"id":"iem_E_38.710_-98.820_1779067320000","source":"iem","severity":"low","severityValue":25,"timestamp":1779067320000,"latitude":38.71,"longitude":-98.82}] |
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.