PROJECT ALERT NOTICE (CA) Heavy rainfall and flooding in San Diego

Date: Mon, 27 Feb 2017 16:54:31 EST

Summary: Pacific Storm brings heavy rainfall to parts of San Diego and Riverside Counties today.

Today, 2-5 inches of rain is expected for parts of San Diego and Riverside Counties. Heavy rainfall is expected through this evening, followed by light showers continuing into early tomorrow.

Flood and flash flood advisories have been issued for San Diego County, with a winter weather advisory issues for high-elevation areas of Riverside County. Streamflow and river stage are high at numerous streamgages in San Diego County, including the San Diego River at Fashion Valley (11023000), which is expected to exceed flood stage later this evening.

Statewide, streamflows and river stage remain elevated in response to recent rainfall, runoff, and snowmelt. The NOAA/NWS California Nevada River Forecast Center reports many California rivers remain above flood or monitor stage, including 13 gage locations along the Sacramento River, and 4 gages on the San Joaquin River. The San Joaquin River near Vernalis, CA (11303500) remains above danger stage today and will continue to exceed this level for several days.

The California Water Science Center (CAWSC) has 2 crews responding to this event today from the Poway, CA Field Office.

No safety issues have occurred during this series of storms and all staff have followed USGS field reporting and safety protocols. Updates will continue to be provided during the course of this event.