Severe thunderstorms are being reported west and southwest of Tucson as an urban and small stream flooding advisory is in effect until 7 p.m.

The National Weather Service said the storms are west of Interstate 10 and along Arizona 86 and as far north as the community of Picture Rocks. The storms are moving slowing northwest, dropping as much as an inch of rain in about 45 minutes.

Flooded washes and excessive rain runoff are predicted as the storms move through the area.