Tropical Storm Harvey strengthens to hurricane

A hurricane warning was issued for much of Texas' central and southern coast today as Tropical Storm Harvey regained strength while drifting into the Gulf of Mexico. The storm is expected to make landfall late Friday or early Saturday.
1:33 | 08/24/17

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Transcript for Tropical Storm Harvey strengthens to hurricane
Army is bearing down on the Gulf Coast upgraded to a tropical storm overnight a hurricane warning issued for the Texas coast Thursday morning. Texas governor declaring a preemptive state of emergency in 30 counties cities from eastern Texas to Mississippi are bracing for catastrophic rainfall this morning. But the hardest hit areas expecting ten to fifteen inches. Regardless of the storm's track. That we're gonna have coastal flooding all of our by easing freaks would would be potentially a problem with this type of rainfall in Texas residents are stocking up. But again kids so make sure risk that an average in the and the average water food and batteries are now in short supply in many stores and along the coastline. Fiedler stock piling sandbags getting ready for that storms there. So it doesn't take much more than two or three foot surge to really impact our ability to drain and with predictions. To twenty inches of rain in the area that could be a problem force going in to weekend. People who live in low lying areas are being urged to get to higher ground driver to. Are warned to avoid the breath. Even if we don't see flooding Friday night or we don't see playing Saturday the threat is still there Saturday night Sunday and possibly even to Monday and so we need people. To be aware. Local law enforcement is practicing for potential helicopter rescues but how did enjoying what can be one of the last could be days before the tropical system right now were. Really focusing on the beat. Don't be fooled into thinking that Harvey is just a Texas problem either with a third of the nation's oil refineries located in the lone start state. This storm's impact could be felt nationwide. Long its act ABC news Washington.

This transcript has been automatically generated and may not be 100% accurate.

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