CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

ARROYO DE LA LAGUNA - VERONA (ADLC1)

Latitude: 37.63º N	Longitude: 121.88º W	Elevation: 280 Feet
Location: Alameda County in California		Bulletin Group: Central Coast		River Group: South Bay

Issuance Time:

Dec 26 2025 at 2:25 PM PST

Next Issuance:

Dec 27 2025 at 9:00 AM PST

Action/Monitor: N/A

Minor Flood: 15.0 Feet

Moderate Flood: 17.0 Feet

Major Flood: N/A

Plot Type:

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View US Geological Survey (USGS) Data for this station location.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ510)

rest of Tonight: Rain likely late in the evening, then a slight chance of rain after midnight. Lows in the mid 40s. Southwest winds 5 to 10 mph.

Saturday: Partly cloudy. Highs in the lower 50s. West winds around 5 mph and becoming north in the afternoon.

Saturday Night: Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 30s. Northwest winds around 5 mph.

Sunday: Partly cloudy in the morning then becoming sunny. Highs in the lower 50s. North winds 5 to 10 mph.

Sunday Night: Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Light winds and becoming northeast around 5 mph after midnight.

Monday: Sunny. Highs in the upper 40s to mid 50s.

Monday Night: Mostly clear. Lows in the upper 30s.

Tuesday: Mostly cloudy in the morning then becoming sunny. Highs in the upper 40s to mid 50s.

Tuesday Night: Mostly clear. Lows in the upper 30s.

Wednesday: Partly cloudy. Highs in the upper 40s to mid 50s.

Wednesday Night: Mostly cloudy. Patchy fog. A chance of rain. Lows in the lower 40s.

New Years Day and Thursday Night: Cloudy. A chance of rain. Highs in the lower 50s. Lows in the mid 40s.

Friday: Mostly cloudy. A chance of rain. Highs in the mid 50s.

Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS San Francisco Bay Area-Monterey Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

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