This alert expired on 20 June 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 12 recorded within 20 km of this point since 9 May 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 19 at 6:30PM CDT until June 19 at 7:15PM CDT by NWS Houston/Galveston TX
An estimated 2,957,528 people live within 50 km of this point.
Nearby, since 9 May 2026
- May 10, 2026 · score 43 · 14.1 km
- August 28, 2026 · score 52 · 16.1 km
- May 10, 2026 · score 52 · 16.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 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) | 52 / 100 |
| Our confidence | 79% |
| Coordinates | 30.0560, -95.0054 |
| Nearest City | Atascocita (18 km) |
| Population Exposed | 3.0M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-19T23:30:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Liberty, TX; Harris, TX; Liberty, TX |
| Headline | Severe Thunderstorm Warning issued June 19 at 6:30PM CDT until June 19 at 7:15PM CDT by NWS Houston/Galveston TX |
| Expires | 2026-06-19T19:15:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.15acb0d5812df869b5e174fbc19cc2d3f7ad3253.001.1","noaa_urn:oid:2.49.0.1.840.0.2cfbb2cd194845889a00f5a3d2cfad5fed3f4c64.002.1"] |
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 52/100, near Atascocita (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.