Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest 5 km from here.
This alert expired on 17 May 2026 at 08:00 UTC. It is kept here as a record.
It is the 15th strongest of the 99 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 17 at 2:37AM CDT until May 17 at 3:00AM CDT by NWS North Platte NE
An estimated 24,194 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 4, 2026 · score 34 · 11.8 km
- August 29, 2026 · score 34 · 16.3 km
- July 10, 2026 · score 34 · 18.3 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 34 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) | 34 / 100 |
| Our confidence | 90% |
| Coordinates | 41.1020, -100.6180 |
| Nearest City | North Platte (13 km) |
| Population Exposed | 24.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-17T07:37:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.5d4a1183546e057f269aba2d536c8eeb63d21995.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lincoln, NE |
| Headline | Severe Thunderstorm Warning issued May 17 at 2:37AM CDT until May 17 at 3:00AM CDT by NWS North Platte NE |
| Expires | 2026-05-17T03:00:00-05:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| Iem TypeSummary | R |
| Iem Magnitude | 1.07 |
| Iem Unit | Inch |
| Iem City | Maywood |
| Iem County | Frontier |
| Iem State | NE |
| Iem Wfo | LBF |
| Iem Remark | PWS. |
| MergedSources | [{"id":"iem_R_40.690_-101.140_1778986800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778986800000,"latitude":40.69,"longitude":-101.14},{"id":"iem_R_40.620_-101.050_1778986800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778986800000,"latitude":40.62,"longitude":-101.05},{"id":"iem_R_40.620_-100.530_1778986800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778986800000,"latitude":40.62,"longitude":-100.53},{"id":"iem_R_40.530_-100.500_1778986800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778986800000,"latitude":40.53,"longitude":-100.5},{"id":"iem_R_40.660_-100.620_1778986800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778986800000,"latitude":40.66,"longitude":-100.62}] |
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 North Platte?
Calamity.live data shows a weather event with CalamityScore 34/100, near North Platte (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.