This alert is in force until 31 August 2026, 23:15 UTC.
It is the 17th strongest of the 20 detections recorded within 20 km of this point since 20 May 2026. The last comparable one was on 23 July 2026.
What the source measured
NOAA reported: Tropical Storm Warning issued August 31 at 10:10AM CDT by NWS Houston/Galveston TX
An estimated 222,915 people live within 50 km of this point.
Nearby, since 20 May 2026
- May 20, 2026 · score 43 · 13.6 km
- June 19, 2026 · score 43 · 15.9 km
- July 6, 2026 · score 43 · 19.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 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) | 37 / 100 |
| Our confidence | 82% |
| Coordinates | 29.7642, -94.0331 |
| Nearest City | Port Arthur (17 km) |
| Population Exposed | 222.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-31T15:10:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.953b714e5574a220e934e9cbfb693b1cd066e4ce.002.1 |
Score Breakdown
Technical Details
| Event | Tropical Storm Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Chambers; Bolivar Peninsula; East Cameron and 2 more areas |
| Headline | Tropical Storm Warning issued August 31 at 10:10AM CDT by NWS Houston/Galveston TX |
| Expires | 2026-08-31T18:15:00-05:00 |
| SenderName | NWS Houston/Galveston TX |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.953b714e5574a220e934e9cbfb693b1cd066e4ce.002.1","noaa_urn:oid:2.49.0.1.840.0.953b714e5574a220e934e9cbfb693b1cd066e4ce.001.1","noaa_urn:oid:2.49.0.1.840.0.64e33698c7ca40ae390ac83eb5758a8e4deb37c6.003.1","noaa_urn:oid:2.49.0.1.840.0.64e33698c7ca40ae390ac83eb5758a8e4deb37c6.001.1","noaa_urn:oid:2.49.0.1.840.0.64e33698c7ca40ae390ac83eb5758a8e4deb37c6.002.1"] |
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.
Calamity.live data shows a weather event with CalamityScore 37/100, near Port Arthur (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.