Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
4 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 17 May 2026 at 04:45 UTC. It is kept here as a record.
It is the 29th strongest of the 182 detections recorded within 20 km of this point since 27 April 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued May 16 at 10:36PM CDT until May 16 at 11:00PM CDT by NWS Hastings NE
Nearby, since 27 April 2026
- September 5, 2026 · score 16 · 0.0 km
- August 31, 2026 · score 16 · 0.0 km
- August 12, 2026 · score 22 · 0.0 km
How we know
Confirmed by 3 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 | 41.5000, -99.9000 |
| Nearest City | North Platte (84 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-17T03:36:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4bae67de94431e262972a76412ded4f16315a1da.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Dawson, NE; Furnas, NE; Gosper, NE |
| Headline | Severe Thunderstorm Watch issued May 16 at 10:36PM CDT until May 16 at 11:00PM CDT by NWS Hastings NE |
| Expires | 2026-05-16T23:45:00-05:00 |
| SenderName | NWS Hastings NE |
| HasExactCoords | false |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 2 E Oconto |
| Iem County | Custer |
| Iem State | NE |
| Iem Wfo | LBF |
| MergedSources | [{"id":"iem_R_41.350_-99.490_1778986800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778986800000,"latitude":41.35,"longitude":-99.49},{"id":"iem_H_41.140_-99.720_1778970000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778970000000,"latitude":41.14,"longitude":-99.72}] |
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.