The National Weather Service Guam Weather Forecast Office issued an urban and small stream flood advisory for Guam, in effect until 11 a.m. Heavy rain will cause urban and small stream flooding. Between a half and 1.5 inches of rain have fallen. Additional heavy showers are developing to the west and expected to move over Guam. Additional rainfall amounts of 1 to 2 inches are expected, resulting in minor flooding. Residents and visitors are advised to take the following precautionary actions: If driving, be alert for low visibilities and slippery roads in heavy rain; Slow down where water is ponding on the road;