A search is underway for a 70-year-old Birmingham woman who has been missing for nearly 24 hours.

Birmingham police early Monday issued a Critical Missing Alert for Julia Ann Brown.

Brown has been diagnosed with medical conditions that require constant attention and care, police said.

She was last seen about 10 a.m. Sunday leaving her home.

Brown was driving her blue Nissan Rogue with Alabama license plate number 1AO3D18 and was supposed to be on her way to church in the Huffman area. Her vehicle has a distinct white door on the driver’s side.

She is 5-feet, 7-inches tall and weighs 185 pounds. She was wearing a white sweater and blue jeans.

Anyone with information is asked to call police at 205-328-9311 or 911.