Right now
The most recent data we hold from NOAA arrived 2 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 18 May 2026 at 01:45 UTC. It is kept here as a record.
No stronger detection stands among the 64 recorded within 20 km of this point since 15 March 2026 — 26 others scored the same. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 17 at 8:01PM CDT until May 17 at 8:45PM CDT by NWS Omaha/Valley NE
An estimated 294,757 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 2, 2026 · score 43 · 8.6 km
- April 23, 2026 · score 43 · 16.6 km
- May 14, 2026 · score 43 · 19.8 km
How we know
Confirmed by 10 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.
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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 40.7812, -96.8439 |
| Nearest City | Lincoln (15 km) |
| Population Exposed | 294.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T01:01:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.056a6dda6b85ed56dbbb6c1dda63a2cb |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lancaster, NE; Saunders, NE; Harrison, IA; Monona, IA; Burt, NE; Dodge, NE; Washington, NE; Cloud, KS; Republic, KS and 13 more areas |
| Headline | Severe Thunderstorm Warning issued May 17 at 8:01PM CDT until May 17 at 8:45PM CDT by NWS Omaha/Valley NE |
| Expires | 2026-05-17T20:45:00-05:00 |
| SenderName | NWS Omaha/Valley NE |
| HasExactCoords | true |
| MergedCount | 16 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.056a6dda6b85ed56dbbb6c1dda63a2cbc06e9216.001.1","noaa_urn:oid:2.49.0.1.840.0.202382a8dccf968713f347dc8ce626ece480307c.001.1","noaa_urn:oid:2.49.0.1.840.0.30ea6c8c1e31e78132998f0a11de892c16c8ae15.001.1","noaa_urn:oid:2.49.0.1.840.0.39657fddd2d7bf397e9ff828ba51224387d1c0a5.001.1","noaa_urn:oid:2.49.0.1.840.0.6baefdd9e23e9c0de68845407f8b6c14d3292ee4.001.1","noaa_urn:oid:2.49.0.1.840.0.621a81c1f29c2300a3b0a0d455e36468e5cbf44f.001.1","noaa_urn:oid:2.49.0.1.840.0.c2db88a92b6eae339d79f25db5b76d98783c3e3f.001.1","noaa_urn:oid:2.49.0.1.840.0.70595492b1dbcdd337ed810d6712e962dff6f1c5.002.1","noaa_urn:oid:2.49.0.1.840.0.e259f98793b82535ff2a668a3e4c556ee5ab9493.001.1","noaa_urn:oid:2.49.0.1.840.0.89b4bfdf9fa12f97c0f0cf226426ed5bfced8e0f.001.1","noaa_urn:oid:2.49.0.1.840.0.f7871fc5f55f6e3ee2c563153e7b48389cbd97bb.001.1","noaa_urn:oid:2.49.0.1.840.0.1dcb44c75fdf4d69b6a2b632f13291f77b37fe17.001.1","noaa_urn:oid:2.49.0.1.840.0.ea40d5d677b26e4c243bdd2bd568a662c2d004c6.001.1","noaa_urn:oid:2.49.0.1.840.0.f3e29a74d6e271116a3fd283f82e373f27e2ff17.001.1","noaa_urn:oid:2.49.0.1.840.0.1a5e7a0aea4960a609cdeefc410a4fdf00814ebf.001.1","noaa_urn:oid:2.49.0.1.840.0.8c043ad6e405d03fbc513650090ca4c9df913b50.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 57 |
| Iem Unit | MPH |
| Iem City | 4 NNW Strang |
| Iem County | Fillmore |
| Iem State | NE |
| Iem Wfo | GID |
| Google News RssFeed | weather |
| Google News SourceName | KOLN | Nebraska Local News, Weather, Sports | Lincoln, NE |
| MergedSources | [{"id":"iem_G_40.420_-97.590_1779059280000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059280000,"latitude":40.42,"longitude":-97.59},{"id":"iem_D_40.650_-97.280_1779060900000","source":"iem","severity":"low","severityValue":25,"timestamp":1779060900000,"latitude":40.65,"longitude":-97.28},{"id":"iem_G_40.470_-97.600_1779059280000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059280000,"latitude":40.47,"longitude":-97.6},{"id":"iem_G_40.480_-97.580_1779059400000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059400000,"latitude":40.48,"longitude":-97.58},{"id":"iem_G_40.550_-97.560_1779059700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059700000,"latitude":40.55,"longitude":-97.56},{"id":"iem_G_40.460_-97.480_1779062820000","source":"iem","severity":"low","severityValue":25,"timestamp":1779062820000,"latitude":40.46,"longitude":-97.48},{"id":"iem_G_40.470_-97.630_1779059220000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059220000,"latitude":40.47,"longitude":-97.63},{"id":"gnews_weather_494179_136","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779044640000,"latitude":40.8,"longitude":-96.67},{"id":"gnews_weather_494179_153","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779045572000,"latitude":40.8,"longitude":-96.67}] |
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 Lincoln?
Calamity.live data shows a weather event with CalamityScore 43/100, near Lincoln (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.