Right now
The most recent data we hold from NOAA arrived 13 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 00:20 UTC. It is kept here as a record.
It is the 12th strongest of the 26 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 17 at 7:10PM CDT until May 17 at 7:15PM CDT by NWS Hastings NE
An estimated 22,797 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 17, 2026 · score 58 · 15.7 km
- May 31, 2026 · score 49 · 19.2 km
- April 25, 2026 · score 43 · 19.7 km
How we know
Confirmed by 20 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 89 % 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) | 34 / 100 |
| Our confidence | 89% |
| Coordinates | 41.0683, -97.2187 |
| Nearest City | Columbus (42 km) |
| Population Exposed | 22.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T00:10:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ebca2d689549f7a02cb012c97e11d45e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Merrick, NE; Nance, NE; Fillmore, NE; Thayer, NE; Barton, KS; Ellsworth, KS; Lincoln, KS; Russell, KS and 10 more areas |
| Headline | Severe Thunderstorm Warning issued May 17 at 7:10PM CDT until May 17 at 7:15PM CDT by NWS Hastings NE |
| Expires | 2026-05-17T19:20:00-05:00 |
| SenderName | NWS Hastings NE |
| HasExactCoords | true |
| MergedCount | 14 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ebca2d689549f7a02cb012c97e11d45e0423819e.001.1","noaa_urn:oid:2.49.0.1.840.0.c84235ac65933b33d56a502af458b2dc07484005.001.1","noaa_urn:oid:2.49.0.1.840.0.22d99c087ffd34ba0e407b731244020c65a61ec8.001.1","noaa_urn:oid:2.49.0.1.840.0.a05679feac7ac52f92f9bc06639f4673beab9210.001.1","noaa_urn:oid:2.49.0.1.840.0.0de3ef75ce66e0f8d90cdcea2d5e549dc76a77c8.001.1","noaa_urn:oid:2.49.0.1.840.0.6d2c114e250a59635307af8c786ff292fa841b5d.002.1","noaa_urn:oid:2.49.0.1.840.0.91c675b21ba234f715a1d4c87650d92cad64d717.001.1","noaa_urn:oid:2.49.0.1.840.0.39aad6ee132a04e781e970a534f2c7f19582a4a5.001.1","noaa_urn:oid:2.49.0.1.840.0.cebb793fd634628263ab662363a931110749dfa4.001.1","noaa_urn:oid:2.49.0.1.840.0.f4714d08e517c78a99d9aac1ee5735c26b2f5c6b.001.1","noaa_urn:oid:2.49.0.1.840.0.a84e97657f4e11694dc7e4610babae4160f269bb.001.1","noaa_urn:oid:2.49.0.1.840.0.ed0d2083941fab7cf6ae8a4fdf75feb4c678c3cc.001.1","noaa_urn:oid:2.49.0.1.840.0.12aa493d08ffc904d153a188b215067e6f090961.001.1","noaa_urn:oid:2.49.0.1.840.0.9aed51c220dacf1c4b84fcf21dd27c3fc10cfb50.002.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Clarkson |
| Iem County | Colfax |
| Iem State | NE |
| Iem Wfo | OAX |
| Google News RssFeed | weather |
| Google News SourceName | Lincoln Journal Star |
| MergedSources | [{"id":"iem_G_41.490_-97.890_1779060300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779060300000,"latitude":41.49,"longitude":-97.89},{"id":"iem_D_41.360_-97.980_1779059280000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059280000,"latitude":41.36,"longitude":-97.98},{"id":"iem_G_41.600_-97.300_1779060540000","source":"iem","severity":"low","severityValue":25,"timestamp":1779060540000,"latitude":41.6,"longitude":-97.3},{"id":"iem_H_41.360_-97.980_1779058800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779058800000,"latitude":41.36,"longitude":-97.98},{"id":"iem_G_41.690_-97.290_1779061020000","source":"iem","severity":"low","severityValue":25,"timestamp":1779061020000,"latitude":41.69,"longitude":-97.29},{"id":"iem_H_41.220_-97.840_1779060780000","source":"iem","severity":"low","severityValue":25,"timestamp":1779060780000,"latitude":41.22,"longitude":-97.84},{"id":"iem_G_41.110_-98.050_1779058800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779058800000,"latitude":41.11,"longitude":-98.05},{"id":"iem_H_41.670_-97.390_1779060960000","source":"iem","severity":"low","severityValue":25,"timestamp":1779060960000,"latitude":41.67,"longitude":-97.39},{"id":"iem_G_41.560_-97.460_1779060000000","source":"iem","severity":"low","severityValue":25,"timestamp":1779060000000,"latitude":41.56,"longitude":-97.46},{"id":"iem_G_41.400_-97.600_1779059640000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059640000,"latitude":41.4,"longitude":-97.6},{"id":"iem_G_41.490_-97.730_1779058860000","source":"iem","severity":"low","severityValue":25,"timestamp":1779058860000,"latitude":41.49,"longitude":-97.73},{"id":"iem_D_41.450_-97.730_1779059520000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059520000,"latitude":41.45,"longitude":-97.73},{"id":"iem_H_40.750_-97.850_1779059160000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059160000,"latitude":40.75,"longitude":-97.85},{"id":"iem_G_41.290_-97.740_1779059700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059700000,"latitude":41.29,"longitude":-97.74},{"id":"iem_G_41.490_-97.890_1779058920000","source":"iem","severity":"low","severityValue":25,"timestamp":1779058920000,"latitude":41.49,"longitude":-97.89},{"id":"iem_H_41.720_-97.120_1779060960000","source":"iem","severity":"low","severityValue":25,"timestamp":1779060960000,"latitude":41.72,"longitude":-97.12},{"id":"gnews_weather_494179_134","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779044640000,"latitude":40.8,"longitude":-96.67},{"id":"gnews_weather_494179_151","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779045572000,"latitude":40.8,"longitude":-96.67},{"id":"gnews_weather_494180_165","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779050700000,"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 in this area?
Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.