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Flood Watch issued December 28 at 9:07PM PST until December 29 at 12:00PM PST by NWS San Francisco CA* WHAT...Flooding caused by excessive rainfall continues to bepossible.* WHERE...Portions of the North Bay including all of Sonoma andMarin counties in Northern California.* WHEN...From 4 AM PST Sunday through Sunday morning.* IMPACTS...Moderate rainfall with saturated soils will translate torapid runoff and an increased threat for flooding of creeks,streams, small rivers, poor drainage and urban areas. In additionto flooding, there's an increased potential for landslides as wellas downed trees.* ADDITIONAL DETAILS...- http://www.weather.gov/safety/floodYou should monitor later forecasts and be alert for possible FloodWarnings. Those living in areas prone to flooding should be preparedto take action should flooding develop.
National Weather Service
High Surf Advisory issued December 28 at 7:51AM PST until December 29 at 4:00AM PST by NWS San Francisco CA* WHAT...Large breaking waves of 15 to 25 feet.* WHERE...All exposed coastal areas between Sonoma and MontereyCounties. Largest conditions will exist at west facing beacheswith direct access to open ocean swell.* WHEN...Until 4 AM PST Sunday.* IMPACTS...Dangerous swimming and surfing conditions andlocalized beach erosion can be expected. Large waves can sweepacross the beach without warning, pulling people into the seafrom rocks, jetties and beaches. Sudden immersion in coldwater can result in cold water shock even for the mostexperienced swimmers. Cold water shock can result in dramaticchanges in breathing, heart rate and blood pressure, greatlyincreasing the risk of drowning in rough open waters.Inexperienced swimmers should remain out of the water due todangerous surf conditions.
National Weather Service
