Right now
The most recent data we hold from NOAA arrived 35 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 17 May 2026 at 04:30 UTC. It is kept here as a record.
No stronger detection stands among the 79 recorded within 20 km of this point since 15 March 2026 — 21 others scored the same. Another comparable one was recorded here earlier the same day. 30 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 16 at 10:42PM CDT until May 16 at 11:30PM CDT by NWS Omaha/Valley NE
Nearby, since 15 March 2026
- June 6, 2026 · score 22 · 14.8 km
- June 20, 2026 · score 22 · 19.7 km
How we know
Confirmed by 13 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 70 % 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) | 22 / 100 |
| Our confidence | 70% |
| Coordinates | 40.4246, -97.6169 |
| Nearest City | Hastings (68 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-17T03:42:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.0f464c221644ff86575bd308d5fd3ed4 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lancaster, NE; Saunders, NE; Clay, NE; Fillmore, NE; Nuckolls, NE; Thayer, NE; Buffalo, NE; Hall, NE; Hamilton, NE; Howard, NE; Merrick, NE and 5 more areas |
| Headline | Severe Thunderstorm Warning issued May 16 at 10:42PM CDT until May 16 at 11:30PM CDT by NWS Omaha/Valley NE |
| Expires | 2026-05-16T23:30:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0f464c221644ff86575bd308d5fd3ed4b7bbb699.001.1","noaa_urn:oid:2.49.0.1.840.0.2a8372c872c2341cd55dd73457491bfef44425d6.001.1","noaa_urn:oid:2.49.0.1.840.0.ee230dfbafd2e59636d203865e5437e9041d1c33.001.1","noaa_urn:oid:2.49.0.1.840.0.24d92fb44fe9aa325a664262701e9aeba21767c7.001.1","noaa_urn:oid:2.49.0.1.840.0.98cf22d73010fa50816d85b37dfe0107528c14ae.002.1","noaa_urn:oid:2.49.0.1.840.0.4fe832705a2977894255179c468ea6da2ea83f29.001.1","noaa_urn:oid:2.49.0.1.840.0.f225afde7b90dfca76d8eefda3927d3c81cab533.001.1","noaa_urn:oid:2.49.0.1.840.0.16af569d345535402102fd2b62496f6dd692b957.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | 6 N Western |
| Iem County | Saline |
| Iem State | NE |
| Iem Wfo | OAX |
| Iem Remark | Report from mPING: Golf Ball (1.75 in.). |
| MergedSources | [{"id":"iem_G_40.760_-97.840_1778985240000","source":"iem","severity":"low","severityValue":25,"timestamp":1778985240000,"latitude":40.76,"longitude":-97.84},{"id":"iem_H_39.860_-97.320_1778982360000","source":"iem","severity":"low","severityValue":25,"timestamp":1778982360000,"latitude":39.86,"longitude":-97.32},{"id":"iem_H_40.780_-97.810_1778971320000","source":"iem","severity":"low","severityValue":25,"timestamp":1778971320000,"latitude":40.78,"longitude":-97.81},{"id":"iem_H_39.870_-97.290_1778983800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778983800000,"latitude":39.87,"longitude":-97.29},{"id":"iem_H_40.350_-98.140_1778986800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778986800000,"latitude":40.35,"longitude":-98.14},{"id":"iem_H_39.970_-97.430_1778982000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778982000000,"latitude":39.97,"longitude":-97.43},{"id":"iem_H_40.720_-97.940_1778968200000","source":"iem","severity":"low","severityValue":25,"timestamp":1778968200000,"latitude":40.72,"longitude":-97.94},{"id":"iem_D_40.870_-98.000_1778985300000","source":"iem","severity":"low","severityValue":25,"timestamp":1778985300000,"latitude":40.87,"longitude":-98},{"id":"iem_H_40.780_-97.810_1778968320000","source":"iem","severity":"low","severityValue":25,"timestamp":1778968320000,"latitude":40.78,"longitude":-97.81},{"id":"iem_G_40.890_-98.000_1778984460000","source":"iem","severity":"low","severityValue":25,"timestamp":1778984460000,"latitude":40.89,"longitude":-98},{"id":"iem_G_40.610_-97.780_1778985540000","source":"iem","severity":"low","severityValue":25,"timestamp":1778985540000,"latitude":40.61,"longitude":-97.78},{"id":"iem_H_40.480_-97.210_1778986020000","source":"iem","severity":"low","severityValue":25,"timestamp":1778986020000,"latitude":40.48,"longitude":-97.21}] |
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 in this area?
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 185 scientific monitoring sources.