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.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 14 May 2026 at 02:30 UTC. It is kept here as a record.
No stronger detection stands among the 6 recorded within 20 km of this point since 8 April 2026 — 4 others scored the same. The last comparable one was on 8 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 13 at 7:29PM MDT until May 13 at 8:30PM MDT by NWS Glasgow MT
Nearby, since 8 April 2026
- May 14, 2026 · score 22 · 9.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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 | 61% |
| Coordinates | 47.3660, -106.5113 |
| Nearest City | Billings (233 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-14T01:29:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.573052e8b7288996be938707e18a8cfef2f1ac40.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Garfield, MT; McCone, MT; Phillips, MT; Prairie, MT; Valley, MT |
| Headline | Severe Thunderstorm Warning issued May 13 at 7:29PM MDT until May 13 at 8:30PM MDT by NWS Glasgow MT |
| Expires | 2026-05-13T20:30:00-06:00 |
| SenderName | NWS Glasgow MT |
| HasExactCoords | true |
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.