Right now
The most recent data we hold from NOAA arrived 4 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 5 June 2026 at 20:00 UTC. It is kept here as a record.
It is the 27th strongest of the 50 detections recorded within 20 km of this point since 18 April 2026. The last comparable one was on 27 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 5 at 12:37PM CDT until June 5 at 3:00PM CDT by NWS Houston/Galveston TX
An estimated 3,809,479 people live within 50 km of this point.
Nearby, since 18 April 2026
- June 5, 2026 · score 52 · 0.0 km
- June 15, 2026 · score 52 · 5.3 km
- August 28, 2026 · score 52 · 12.2 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 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) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 29.8718, -95.4127 |
| Nearest City | Aldine (7 km) |
| Population Exposed | 3.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-05T17:37:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b441913d66c5dcbeef495d024f6990a090970b5c.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Harris, TX |
| Headline | Flash Flood Warning issued June 5 at 12:37PM CDT until June 5 at 3:00PM CDT by NWS Houston/Galveston TX |
| Expires | 2026-06-05T15:00:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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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