Hurricane Harvey hits southern Texas, brings devastating damage and flooding

The hurricane reached the shore as a Category 4.

Hurricane Harvey reached Texas Friday evening as a Category 4 storm. Over the course of several hours, it's destroyed buildings and caused devastating flooding. 

Federal officials say this is the strongest hurricane to hit the U.S. since Katrina lashed Louisiana in 2005. 

According to the Associated Press, the storm reached Texas near Corpus Christi around 10 p.m., bringing winds up to 130 mph. 

Sources say the damage is still being evaluated, but photos of the wreckage have been posted to the internet. 

According to the New York Times, more than 250,000 customers were without power early Saturday. 

And the National Hurricane Center says Victoria, a city in the path of the storm, recorded more than 16 inches of rain in 24 hours.

While many people living in the path of the storm evacuated, thousands chose to stay put. No deaths were immediately reported, though. 

The storm weakens

Saturday morning, Harvey downgraded to a Category 1 storm. Then Saturday afternoon, it downgraded again to a tropical storm.

You can learn all about the different storm categories here or here. But basically, tropical storms have winds less than 74 mph. 

Once winds exceed that, the storm becomes a Category 1 hurricane. The National Hurricane Center still considers these storms "very dangerous," though. 

Category 2 hurricanes have winds between 96 and 110 mph.

A Category 3 hurricane is when they start being considered "major" storms, with winds up to 129 mph. And a Category 4 – which is what Harvey was when it first hit Texas – has winds up to 156 mph. 

The strongest storms are Category 5, and that's anything higher than 157 mph winds. 

More bad weather to come

The storm has reached land and weakened, but it's not over. 

There's still potential for wind damage and flooding.

Tornadoes and hail are also possible, according to the National Weather Service

Friday, President Donald Trump approved federal disaster assistance to help areas in Texas recover after the storm. 

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