MORE INFORMATION: At 10 PM CDT Aug. 23, 2017 The National Weather Service issued Advisory No. 14: Tropical Depression Harvey is drifting erratically NW as a tropical depression. With maximum sustained winds of 35 MPH he's presently moving about 2 MPH.  All previous watches and warnings remain in effect.

Tropical Depression Harvey 10 PM CDT 23 Aug 2017 National Weather Service

Just a short while ago at 10 PM CDT an AF Reserve Hurricane Hunter measured sustained winds at 35 MPH with higher gusts.  The weather service expects Harvey to become a tropical storm some time Thursday and a hurricane by Friday afternoon or night.

(End of Update)

Prior Watches and Warnings - A Storm Surge Watch is in effect for North of Port Mansfield to High Island, Texas. A Hurricane Watch is in effect for Boca De Catan, Mexico to Port Mansfield, Texas. A Tropical Storm Watch is in effect for Boca De Catan, Mexico to Port Mansfield, Texas and North of San Luis Pass to High Island.

Storm Surge Warning NWS Advisory 13 3PM CDT Wed August 23rd 2017.

Harvey is expected to produce rain accumulations of 10 - 15 inches over the middle and upper Texas coast and SW Louisiana through next Tuesday.

(End of Update)

Potential for Rainfall in Inches (National Hurricane Center)