Hurricane Harvey downgraded moves inland as tropical storm

HOUSTON, Texas -- Fourteen hours after it slammed into the Texas coast as a Category 4 hurricane -- the strongest to hit the mainland U.S. in more than a decade -- Harvey has been downgraded to a tropical storm.

Where will Harvey go next? Hard to say...

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Elita Loresca shows just how computer models are forecasting Harvey's track through this weekend.

The National Hurricane Center said the eye of then-Category 4 hurricane made landfall about 10 p.m. about 30 miles northeast of Corpus Christi between Port Aransas and Port O'Connor, bringing with it 130 mph sustained winds and flooding rains.

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A Tornado Watch was extended for Harris, Fort Bend, Brazoria, Galveston, Chambers, Jackson, Matagorda and Wharton counties until 1 p.m.

A Flash Flood Warning was issued for Brazoria, Chambers, Galveston, Harris, Liberty, Montgomery, San Jacinto and Walker counties until 2:15 p.m.

Fueled by warm Gulf of Mexico waters, Harvey grew rapidly, accelerating from a Category 1 early Friday morning to a Category 4 by evening. Its transformation from an unnamed storm to a life-threatening behemoth took only 56 hours, an incredibly fast intensification. Although it has weakened considerably, it still poses a major threat to flood-prone parts of southeast Texas.

PHOTOS: Hurricane Harvey makes landfall

Over 25-35" of rain is possible across parts of southeast Texas. Major flooding is likely.

The Associated Press contributed to this report.
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