This alert expired on 20 June 2026 at 17:15 UTC. It is kept here as a record.
No stronger detection stands among the 46 recorded within 20 km of this point since 17 May 2026 — 8 others scored the same. 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: Severe Thunderstorm Warning issued June 20 at 11:46AM CDT until June 20 at 12:15PM CDT by NWS Hastings NE
An estimated 109,385 people live within 50 km of this point.
Nearby, since 17 May 2026
- June 11, 2026 · score 43 · 12.8 km
- June 21, 2026 · score 43 · 18.2 km
- May 31, 2026 · score 34 · 22.7 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % 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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 40.8322, -98.7467 |
| Nearest City | Kearney (32 km) |
| Population Exposed | 109.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-20T16:46:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Buffalo, NE; Hall, NE |
| Headline | Severe Thunderstorm Warning issued June 20 at 11:46AM CDT until June 20 at 12:15PM CDT by NWS Hastings NE |
| Expires | 2026-06-20T12:15:00-05:00 |
| SenderName | NWS Hastings NE |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 4 NNW Pleasanton |
| Iem County | Buffalo |
| Iem State | NE |
| Iem Wfo | GID |
| MergedSources | [{"id":"iem_H_40.750_-98.850_1781968740000","source":"iem","severity":"low","severityValue":25,"timestamp":1781968740000,"latitude":40.75,"longitude":-98.85},{"id":"iem_H_40.880_-99.150_1781967000000","source":"iem","severity":"low","severityValue":25,"timestamp":1781967000000,"latitude":40.88,"longitude":-99.15},{"id":"iem_H_41.020_-99.120_1781972280000","source":"iem","severity":"low","severityValue":25,"timestamp":1781972280000,"latitude":41.02,"longitude":-99.12}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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 43/100, near Kearney (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.