This alert expired on 18 May 2026 at 02:15 UTC. It is kept here as a record.
No stronger detection stands among the 74 recorded within 20 km of this point since 15 March 2026 — 10 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 May 17 at 8:57PM CDT until May 17 at 9:15PM CDT by NWS Topeka KS
An estimated 667,063 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 3, 2026 · score 48 · 13.6 km
- July 9, 2026 · score 48 · 14.4 km
- July 3, 2026 · score 48 · 23.0 km
How we know
Confirmed by 16 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 90 % 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) | 48 / 100 |
| Our confidence | 90% |
| Coordinates | 41.0877, -96.1398 |
| Nearest City | Papillion (11 km) |
| Population Exposed | 667.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T01:57:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d67d916fab6f876e0e92f4288706f03f |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Marshall, KS; Washington, KS; Barton, KS; Ellsworth, KS; Lincoln, KS; Russell, KS; Ness, KS; Pawnee, KS; Rush, KS and 14 more areas |
| Headline | Severe Thunderstorm Warning issued May 17 at 8:57PM CDT until May 17 at 9:15PM CDT by NWS Topeka KS |
| Expires | 2026-05-17T21:15:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
| MergedCount | 18 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d67d916fab6f876e0e92f4288706f03fafa88802.001.1","noaa_urn:oid:2.49.0.1.840.0.03cea8898672ad9575e5e69b95d8b1df5e96a02b.001.1","noaa_urn:oid:2.49.0.1.840.0.064a7605596c486da4ef7eb90693d8faa9337c8f.001.1","noaa_urn:oid:2.49.0.1.840.0.3298a29f5f8c4442fc28a6ec3ea13c8c963ddb4e.001.1","noaa_urn:oid:2.49.0.1.840.0.646d6660b6eed5bd7498f51131ec33b84d678bd7.001.1","noaa_urn:oid:2.49.0.1.840.0.939fe375ba1eb17aace909667108a542c18235cc.001.1","noaa_urn:oid:2.49.0.1.840.0.ee8b2d5ff7a671d6f1708cd4d891d98d590254b6.001.1","noaa_urn:oid:2.49.0.1.840.0.f71815c04e40e804b602ba0b20230797df9adcfe.001.1","noaa_urn:oid:2.49.0.1.840.0.53644d6b79a6a658bebaaebe1049989fb5be2fc1.001.1","noaa_urn:oid:2.49.0.1.840.0.7744a48215a5b4eae6e280b1a0474ac59b67975a.001.1","noaa_urn:oid:2.49.0.1.840.0.3b5c4dd44ef0aa5fc827fc70ea6697a71450c85d.001.1","noaa_urn:oid:2.49.0.1.840.0.831dd8a7e6100701ee8fde9939729fb98dbdf6b2.001.1","noaa_urn:oid:2.49.0.1.840.0.963b1a7b1e6ef6660a7b9c0646c33f4dd5240c51.001.1","noaa_urn:oid:2.49.0.1.840.0.818552ae93cbb790cbe3272d8a60a9050ee40936.001.1","noaa_urn:oid:2.49.0.1.840.0.f717ca15d5b2701b17fbf2c66f7bf20716a37076.001.1","noaa_urn:oid:2.49.0.1.840.0.8304d7697fd587151be68ec0945c61413746e18b.002.1","noaa_urn:oid:2.49.0.1.840.0.06fbb7115dc621e3745df550f03e9a9ab5ba7af2.001.1","noaa_urn:oid:2.49.0.1.840.0.9701c0f7cf6c8a4b47eef93a0398ae9916423944.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 58 |
| Iem Unit | MPH |
| Iem City | 6 E Rogers |
| Iem County | Dodge |
| Iem State | NE |
| Iem Wfo | OAX |
| Iem Remark | UPR Station. |
| Google News RssFeed | weather |
| Google News SourceName | Omaha World-Herald |
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 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 Papillion?
Calamity.live data shows a weather event with CalamityScore 48/100, near Papillion (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.