Right now
The most recent data we hold from NOAA arrived 3 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 11 May 2026 at 02:15 UTC. It is kept here as a record.
It is one of only 4 we have recorded within 20 km of this point since 11 May 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 8:49PM CDT until May 10 at 9:15PM CDT by NWS Houston/Galveston TX
An estimated 190,007 people live within 50 km of this point.
Nearby, since 11 May 2026
- May 24, 2026 · score 43 · 17.9 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, at 81 % 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 30.7611, -96.2401 |
| Nearest City | Bryan (16 km) |
| Population Exposed | 190.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-11T01:49:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.36bfc5cd2bff9c440ad2e4de402169a7 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Grimes, TX; Houston, TX; Madison, TX; Walker, TX; Burleson, TX; Washington, TX; Grimes, TX; Madison, TX; Walker, TX and 2 more areas |
| Headline | Severe Thunderstorm Warning issued May 10 at 8:49PM CDT until May 10 at 9:15PM CDT by NWS Houston/Galveston TX |
| Expires | 2026-05-10T21:15:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.36bfc5cd2bff9c440ad2e4de402169a77e569b8b.001.1","noaa_urn:oid:2.49.0.1.840.0.71a62760d32f5bd6254d0bb572aeddd916c5152a.001.1","noaa_urn:oid:2.49.0.1.840.0.3d3fa6fa088bd976f478e71ce584598d8ff3206f.001.1","noaa_urn:oid:2.49.0.1.840.0.c1fb410ab2ec0859474a0a7842adb6c51aaff106.001.1","noaa_urn:oid:2.49.0.1.840.0.531d49b930369a8177e0bda0b25b4dca9a64d162.001.1"] |
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.
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