(KRON) — An at-risk woman was reported missing Monday, according to the San Leandro Police Department. Police said Dorothy Riley walked away from her home on Haas Avenue at around 11:56 a.m.

Riley suffers from dementia and Alzheimer’s disease. She was last seen wearing a dark green puff jacket with a fur hood and dark pajama pants.

Riley’s age was not released.

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Police conducted a search in the area of her home, but Riley was not found. San Leandro police sent out a Nixle alert at 5:21 p.m.

If you have information about Riley’s location, you are asked to notify the San Leandro Police Department.