The Latest: Tropical storm strengthens on approach to US

MIAMI (AP) — The Latest on storm moving toward U.S. Gulf Coast (all times local):
11 a.m.
Weather forecasters say a storm system is strengthening as it moves toward the U.S. Gulf Coast.
The National Hurricane Center in Miami said dangerous storm surge, heavy rain, and high winds were likely to reach portions of the northern Gulf Coast starting later Friday and lasting into the weekend.
Forecasters said at 11 a.m. that the system was about 230 miles (365 kilometers) south-southwest of the m