Severe weather near Barstow Heights
This alert expired on 11 August 2026 at 22:00 UTC. It is kept here as a record.
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 August 11 at 2:33PM PDT until August 11 at 3:00PM PDT by NWS Las Vegas NV
An estimated 275,459 people live within 50 km of this point.
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, at 79 % 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) | 43 / 100 |
| Our confidence | 79% |
| Coordinates | 34.9080, -117.2260 |
| Nearest City | Barstow Heights (16 km) |
| Population Exposed | 275.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T21:33:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.333447296f80479e4ee633ea42d8405ffa3eb601.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | San Bernardino, CA |
| Headline | Severe Thunderstorm Warning issued August 11 at 2:33PM PDT until August 11 at 3:00PM PDT by NWS Las Vegas NV |
| Expires | 2026-08-11T15:00:00-07:00 |
| SenderName | NWS Las Vegas NV |
| 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 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 43/100, near Barstow Heights (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.