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.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 6 July 2026 at 21:30 UTC. It is kept here as a record.
No stronger detection stands among the 42 recorded within 20 km of this point since 28 March 2026 — 11 others scored the same. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 6 at 3:59PM CDT until July 6 at 4:30PM CDT by NWS North Platte NE
Nearby, since 28 March 2026
- July 30, 2026 · score 22 · 10.6 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % 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 | 69% |
| Coordinates | 43.4278, -100.0348 |
| Nearest City | Mitchell (165 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-06T20:59:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c4355b447b693fd1c054a6799de84de8 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cherry, NE; Todd, SD; Tripp, SD; Lyman, SD and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 6 at 3:59PM CDT until July 6 at 4:30PM CDT by NWS North Platte NE |
| Expires | 2026-07-06T16:30:00-05:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c4355b447b693fd1c054a6799de84de82cb5a027.001.1","noaa_urn:oid:2.49.0.1.840.0.d1de4b93d93282123941d8c14abc43e917c15444.001.1","noaa_urn:oid:2.49.0.1.840.0.528dd044156f9a1ff5e10ddadb4be477745a40ee.001.1","noaa_urn:oid:2.49.0.1.840.0.8d2af581a1e7529a5eb4e27b1f4af9bfe2b25b72.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 50 |
| Iem Unit | mph |
| Iem City | Witten |
| Iem County | Tripp |
| Iem State | SD |
| Iem Wfo | UNR |
| MergedSources | [{"id":"iem_H_43.440_-100.090_1783369500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783369500000,"latitude":43.44,"longitude":-100.09},{"id":"iem_G_43.440_-100.090_1783369500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783369500000,"latitude":43.44,"longitude":-100.09}] |
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?