This alert expired on 11 May 2026 at 00:30 UTC. It is kept here as a record.
No stronger detection stands among the 5 recorded within 20 km of this point since 10 May 2026 — one other scored the same. The last comparable one was on 10 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 7:00PM CDT until May 10 at 7:30PM CDT by NWS Houston/Galveston TX
Nearby, since 10 May 2026
- September 2, 2026 · score 16 · 11.0 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 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 | 30.6257, -94.7429 |
| Nearest City | New Caney (68 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-11T00:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7a8b156ec9ea62e0fd073c4265419dd1fcd34899.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Polk, TX; San Jacinto, TX |
| Headline | Severe Thunderstorm Warning issued May 10 at 7:00PM CDT until May 10 at 7:30PM CDT by NWS Houston/Galveston TX |
| Expires | 2026-05-10T19:30:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| 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.
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.