This alert expired on 31 July 2026 at 02:15 UTC. It is kept here as a record.
It is the 38th strongest of the 90 detections recorded within 20 km of this point since 17 May 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 30 at 8:46PM CDT until July 30 at 9:15PM CDT by NWS North Platte NE
Nearby, since 17 May 2026
- August 30, 2026 · score 22 · 6.8 km
- June 30, 2026 · score 28 · 11.0 km
- August 13, 2026 · score 39 · 20.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 66 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 66% |
| Coordinates | 41.3876, -98.7723 |
| Nearest City | Grand Island (62 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-31T01:46:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Custer, NE; Lincoln, NE; Antelope, NE; Boone, NE; Madison, NE; Platte, NE; Colfax, NE; Cuming, NE; Madison, NE; Pierce, NE; Platte, NE; Stanton, NE; Wayne, NE and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 30 at 8:46PM CDT until July 30 at 9:15PM CDT by NWS North Platte NE |
| Expires | 2026-07-30T21:15:00-05:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0ea6c94f2ff7f33e95ed72c36b725cb6959f31b1.001.1","noaa_urn:oid:2.49.0.1.840.0.1d8c902e7370aa3f8951e693ccd1dabeca663c61.001.1","noaa_urn:oid:2.49.0.1.840.0.9f6fbe6ca6c7b20cf960909752f6ca566084bea7.001.1","noaa_urn:oid:2.49.0.1.840.0.ff957dfe064aa87b3e50b5305985d8fb6a557dab.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 62 |
| Iem Unit | MPH |
| Iem City | Ord Airport |
| Iem County | Valley |
| Iem State | NE |
| Iem Wfo | GID |
| Iem Remark | KODX Gust to 62mph. |
| MergedSources | [{"id":"iem_G_41.620_-98.950_1785459300000","source":"iem","severity":"low","severityValue":25,"timestamp":1785459300000,"latitude":41.62,"longitude":-98.95}] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 22/100, near Grand Island (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.