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Weather, River Stage/Flow, & Hazard Maps

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Observed Precipitation Past 7 Days

Observed Precipitation Over Past 7 Days Map

6-Day Forecast Precipitation

National Weather Service Watches, Warnings, and Advisories

Watch, Warning, and Advisory Terms Explained

Warning – A warning is issued when a hazardous weather or hydrologic event is occurring, is imminent, or has a very high probability of occurring. A warning is used for conditions posing a threat to life or property.

Advisory – Highlights special weather conditions that are less serious than a warning. They are for events that may cause significant inconvenience, and if caution is not exercised, it could lead to situations that may threaten life and/or property.

Watch – A watch is used when the risk of a hazardous weather or hydrologic event has increased significantly, but its occurrence, location, and/or timing is still uncertain. It is intended to provide enough lead time so that those who need to set their plans in motion can do so.

These definitions are from the National Weather Service Glossary.

Ventura County

Observed River Stage/Flow Map

Hazard Maps

Note: These maps are general reference and not specific to the current storms.

California Department of Water Resources’ Best Available Maps (BAM) Website: The floodplains shown delineate areas with potential exposure to flooding for three different storm events: 100-year, 200-year, and 500-year. These flows and resulting flooded area are based on the best available floodplain information and may not identify all areas subject to flooding.

California Department of Water Reroutes’ Levee Flood Protection Zone (LFPZ) Maps: Levee Flood Protection Zone maps estimate the maximum area that may be flooded if a State-Federal levee fails with flows at maximum capacity that may reasonably be conveyed. These maps specifically focus on flood risks associated with State-Federal levees.

FEMA National Flood Hazard Layer: The National Flood Hazard Layer (NFHL) is a geospatial database that contains current effective flood hazard data. FEMA provides the flood hazard data to support the National Flood Insurance Program.

FEMA Flood Map Service Center: The FEMA Flood Map Service Center (MSC) is the official public source for flood hazard information produced in support of the National Flood Insurance Program. Use the MSC to find your official flood map, access a range of other flood hazard products, and take advantage of tools for better understanding flood risk.

Additional Links

Ventura County Department of Public Works Rainfall Map: Using the Time Intervals dropdown you can select different time intervals from the season to the 15 minutes.

Ventura County Public Works County Stream Flow Map

Ventura County Public Works Stream Webcams

California Nevada River Forecast Center Map

USGS Water Alert: Get notifications for changes in water conditions based on thresholds you choose.

USGS National Water Dashboard: This viewer shows provisional real-time water data collected at USGS observation stations in context with weather-related data from other public sources.

NOAA Weather Prediction Center Excessive Rainfall Forecast: In the Excessive Rainfall Outlook, the Weather Prediction Center forecasts the probability that rainfall will exceed flash flood guidance within 40 kilometers (25 miles) of a point.

Soil Moisture Map: This high-resolution gridded soil moisture map shows soil moisture percentiles at 20 cm depth. Data are updated daily with a 1-day delay due to differences in network report timing.

Infrastructure Links

Jump to Section: Resource Links River Status & Hazard Maps Weather Social Media Feeds

Power

Poweroutage.us Ventura County Outage List – This site provides aggregates live power outage data, though may not include some of the smaller local utilities.

SCE Outage Map