INSTRUCTIONS

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

DESCRIPTION

A major atmospheric river storm is forecast to bring periods of heavy rain and the potential for life threatening flooding today through Friday. Small creeks and streams will continue to rapidly rise and may come out of their banks. The potential for extensive river flooding will increase tonight through Friday. Rivers will slowly drain Friday night and may continue to remain above flood stage through the day on Saturday, particularly on the Eel River at Fernbridge.

* WHAT…Flooding caused by excessive rainfall continues to be possible.

* WHERE…A portion of northwest California, including the Northern Humboldt Coast, Northern Humboldt Interior, Southern Humboldt Interior and Southwestern Humboldt.

* WHEN…Through Friday evening.

* IMPACTS…There will be an increased risk of rock and land slides along roadways. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. Area creeks and streams are running high and could flood with more heavy rain.

* ADDITIONAL DETAILS… - Additional rainfall of 3 to 7 inches is expected today through Friday evening. Locally higher amounts of 10 to 12 inches can be expected in the King Range. The heaviest rain is expected today through early Friday morning. - http://www.weather.gov/safety/flood