There are&nbsp;<a href="https://pbs.twimg.com/media/DIJsxjXUAAABS-d.jpg" target="_blank">tornado watches</a>&nbsp;in effect in parts of the state and the National Weather Service&nbsp;<a href="http://mailchi.mp/houstonoem/alerthouston-hurricane-harveys-effects-beginning-to-impact-houston" target="_blank">issued flash flood warnings</a>&nbsp;for Houston Saturday morning.

Harvey Downgraded, But 'Catastrophic And Life-Threatening Flooding' Risk Remains

Hurricane Harvey was downgraded to a tropical storm, but forecasters warn of "catastrophic flooding" as it sweeps through Texas on Saturday. Mandatory evacuations were ordered for parts of the Ho...
27/08/2017 7:18 AM AEST