This alert is in force until 1 September 2026, 20:00 UTC.
No stronger detection stands among the 24 recorded within 20 km of this point since 20 May 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Hurricane Watch issued September 1 at 6:53AM CDT by NWS Lake Charles LA
An estimated 222,915 people live within 50 km of this point.
Nearby, since 20 May 2026
- July 15, 2026 · score 43 · 1.9 km
- July 2, 2026 · score 43 · 8.2 km
- May 23, 2026 · score 43 · 9.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 55 out of 100, at 82 % 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) | 55 / 100 |
| Our confidence | 82% |
| Coordinates | 29.8970, -93.8640 |
| Nearest City | Port Arthur (7 km) |
| Population Exposed | 222.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-01T11:53:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b9d2f334b4e17cdb489664abf31fdcbf3f04ccbc.003.1 |
Score Breakdown
Technical Details
| Event | Hurricane Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | West Cameron; Lower Jefferson |
| Headline | Hurricane Watch issued September 1 at 6:53AM CDT by NWS Lake Charles LA |
| Expires | 2026-09-01T15:00:00-05:00 |
| SenderName | NWS Lake Charles LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b9d2f334b4e17cdb489664abf31fdcbf3f04ccbc.003.1","noaa_urn:oid:2.49.0.1.840.0.b9d2f334b4e17cdb489664abf31fdcbf3f04ccbc.001.1"] |
Safety Information
During a tropical cyclone: shelter in a sturdy interior room away from windows. Stock emergency supplies including water, food, medications, and flashlights. Do not venture outdoors during the eye of the storm. After passage, beware of downed power lines, flooding, and structural damage. Follow official guidance for evacuation and shelter.
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 near Port Arthur?
Calamity.live data shows a weather event with CalamityScore 55/100, near Port Arthur (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.