This alert expired on 19 July 2026 at 00:45 UTC. It is kept here as a record.
No stronger detection stands among the 6 recorded within 20 km of this point since 19 July 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 18 at 5:24PM MST until July 18 at 5:45PM MST by NWS Las Vegas NV
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 59 % 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 | 59% |
| Coordinates | 36.3270, -113.1230 |
| Nearest City | Saint George (95 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-19T00:24:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.5d7dd33d699acb6b445ee20877c069cc |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Mohave, AZ; Kane, UT; Washington, UT |
| Headline | Severe Thunderstorm Warning issued July 18 at 5:24PM MST until July 18 at 5:45PM MST by NWS Las Vegas NV |
| Expires | 2026-07-18T17:45:00-07:00 |
| SenderName | NWS Las Vegas NV |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5d7dd33d699acb6b445ee20877c069cc6c53469e.001.1","noaa_urn:oid:2.49.0.1.840.0.69702e9b369f68b9965d4071bff25cbed3be9e3d.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 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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.