- Flood Watch for San Francisco County, California
- Flood Watch issued April 06 at 9:12PM PDT until April 07 at 11:00AM PDT by NWS
- Effective: Saturday, April 7, 2018 at 2:09 a.m.
- Expires: Saturday, April 7, 2018 at 11 a.m.
.Due to an ongoing atmospheric river event, flooding of small
creeks and streams, as well as poorly drained urban areas, is
possible from late Thursday night through Saturday morning across
the North Bay. There is also a potential for flooding in the Santa
...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...
The Flood Watch continues for
* A portion of western California...including the following...
Coastal North Bay Including Point Reyes National Seashore...
North Bay Interior Valleys...North Bay Mountains and Santa Cruz
* Through 11 am PDT Saturday morning
* Periods of rain, heavy at times, are forecast to continue
tonight over the North Bay Counties of Sonoma, Napa, and Marin,
as well as the Santa Cruz Mountains. Rainfall amounts in excess
of 5 inches have already fallen across portions of the North Bay
since Thursday evening and an additional 1 to 2 inches of rain
is likely on Friday night. In the Santa Cruz Mountains, rain
totals thus far are up to about 2 inches in the wettest
locations and an additional 1 to 2 inches are expected
* Impacts...Roadway and small stream flooding is possible as well
as urban flooding in poorly drained areas. Mud and rock slides
are also possible in areas of steep terrain. Moderate rises will
likely occur on mainstem rivers, but mainstem rivers are
forecast to remain well within their banks. During periods of
heavy rain ponding of water on roadways is likely. Very heavy
rainfall rates over recent burn scars could potentially trigger
flash flooding or mudslide/debris flows across and downstream
from the burn scars.