The US National hurricane Center have issued a very blunt warning indeed:

Here are the Key Messages for extremely dangerous Hurricane Laura for Thursday pm.

  • An unsurvivable storm surge with large and destructive waves is coming soon for Sea Rim State Park TX to Intracoastal City, LA, including Calcasieu and Sabine Lakes & could penetrate 40 miles inland.

Bolding is mine.

The track is seen below, Adam highlights that:

  • That track is almost dead-centre on Port Arthur and the major refineries there.
  • More also at Lake Charles, just to the east.
The US National hurricane Center have issued a very blunt warning indeed: