Right now
The most recent data we hold from NOAA arrived 26 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 25 June 2026 at 21:00 UTC. It is kept here as a record.
No stronger detection stands among the 16 recorded within 20 km of this point since 12 April 2026 — 6 others scored the same. The last comparable one was on 20 June 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 25 at 2:31PM MDT until June 25 at 3:00PM MDT by NWS Salt Lake City UT
Urban PEI: 434,560 within a heuristic 50 km radius; not unique people.
Nearby, since 12 April 2026
- June 25, 2026 · score 43 · 0.0 km
- June 20, 2026 · score 43 · 13.3 km
- July 30, 2026 · score 43 · 14.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 43 / 100 |
| Legacy data-support index | 0.76/1 |
| Coordinates | 41.3838, -111.8300 |
| Nearest City | North Ogden (14 km) |
| Urban exposure index (PEI) | 434.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-25T20:31:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c24f3f5250e348e4014f69c04bfda7ce |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-25T20:31:00.000Z.
First archived: 2026-06-25T20:38:53.735Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Salt Lake, UT; Bear Lake, ID; Franklin, ID |
| Headline | Severe Thunderstorm Warning issued June 25 at 2:31PM MDT until June 25 at 3:00PM MDT by NWS Salt Lake City UT |
| Expires | 2026-06-25T15:00:00-06:00 |
| SenderName | NWS Salt Lake City UT |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c24f3f5250e348e4014f69c04bfda7ce73a10741.001.1","noaa_urn:oid:2.49.0.1.840.0.ef25317c9ccf234d59269b7a3fa80fde2e20dbfb.001.1"] |
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.
Review the area, threshold and delivery channel in your account.
Want to know when something happens near North Ogden?