This alert expired on 21 June 2026 at 19:00 UTC. It is kept here as a record.
No stronger detection stands among the 15 recorded within 20 km of this point since 8 March 2026 — 6 others scored the same. The last comparable one was on 14 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 21 at 7:56AM CDT until June 21 at 2:00PM CDT by NWS Springfield MO
Nearby, since 8 March 2026
- June 14, 2026 · score 22 · 2.8 km
- March 9, 2026 · score 22 · 17.4 km
- March 8, 2026 · score 22 · 19.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % 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 | 60% |
| Coordinates | 38.2491, -94.9361 |
| Nearest City | Gardner (62 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-21T12:56:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Bourbon, KS; Cherokee, KS; Crawford, KS; Johnson, KS; Leavenworth, KS; Wyandotte, KS; Clay, MO; Platte, MO |
| Headline | Flash Flood Warning issued June 21 at 7:56AM CDT until June 21 at 2:00PM CDT by NWS Springfield MO |
| Expires | 2026-06-21T14:00:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.beb6e696ae41b41268cdc901afe5143dd36bd5dd.001.1","noaa_urn:oid:2.49.0.1.840.0.174287218739d8d8db649d4109574615f5710d2f.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 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, near Gardner (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.