This alert expired on 26 June 2026 at 12:15 UTC. It is kept here as a record.
It is the 9th strongest of the 72 detections recorded within 20 km of this point since 18 April 2026. Another comparable one was recorded here earlier the same day. 24 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 26 at 3:37AM CDT until June 26 at 7:15AM CDT by NWS Wichita KS
Nearby, since 18 April 2026
- August 6, 2026 · score 16 · 9.6 km
- May 19, 2026 · score 22 · 10.3 km
- August 6, 2026 · score 16 · 12.2 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 69% |
| Coordinates | 37.4696, -96.2499 |
| Nearest City | Bartlesville (84 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-26T08:37:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.f15802f08835ea3fa9f5cbd03e48bb21 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Butler, KS; Sedgwick, KS; Butler, KS; Cowley, KS; Elk, KS; Greenwood, KS; Sumner, KS; Cherokee, KS; Crawford, KS; Barton, MO; Jasper, MO; Newton, MO |
| Headline | Flash Flood Warning issued June 26 at 3:37AM CDT until June 26 at 7:15AM CDT by NWS Wichita KS |
| Expires | 2026-06-26T07:15:00-05:00 |
| SenderName | NWS Wichita KS |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f15802f08835ea3fa9f5cbd03e48bb21a64da409.001.1","noaa_urn:oid:2.49.0.1.840.0.6efc7bcb409335a784c68b0263e643b22c5a7361.001.1","noaa_urn:oid:2.49.0.1.840.0.3fb6880229b36110cef87ac23039bceae5ac68b6.001.1"] |
| Iem TypeSummary | F |
| Iem City | Augusta |
| Iem County | Butler |
| Iem State | KS |
| Iem Wfo | ICT |
| Iem Remark | The city of Augusta is barricading off numerous areas around town due to impassable roadways. |
| MergedSources | [{"id":"iem_F_37.720_-96.970_1782447060000","source":"iem","severity":"low","severityValue":25,"timestamp":1782447060000,"latitude":37.72,"longitude":-96.97},{"id":"iem_F_37.520_-96.840_1782452520000","source":"iem","severity":"low","severityValue":25,"timestamp":1782452520000,"latitude":37.52,"longitude":-96.84},{"id":"iem_F_37.690_-96.980_1782448320000","source":"iem","severity":"low","severityValue":25,"timestamp":1782448320000,"latitude":37.69,"longitude":-96.98}] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.