Answer:
Grand Isle and Galveston showed significant but much more moderate acceleration rates in 2019, at 0.05 mm/yr2 and 0.09 mm/yr2, respectively. The 2050 projections for a sea-level rise at these sites is thus appreciably lower: 0.54 meters (1.77 feet) at Grand Isle and 0.51 meters (1.67 feet) at Galveston