CNRFC - Hydrology - River Guidance - Graphical RVF

PAJARO RIVER - CHITTENDEN (AROC1)

Latitude: 36.90º N	Longitude: 121.60º W	Elevation: 82 Feet
Location: Santa Cruz County in California		River Group: Central Coast

Issuance Time:

Dec 11 2018 at 12:28 PM PST

Next Issuance:

Dec 12 2018 at 9:00 AM PST

Monitor Stage: 25.0 Feet

Flood Stage: 32.0 Feet

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

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2017	9,160	26.98	Feb 21, 2017
2016	4,050	19.82	Mar 14, 2016
2015	621	8.60	Dec 12, 2014
2014	182	5.17	Mar 1, 2014
2013	2,910	16.97	Dec 24, 2012
Historical High Stage/Flow Events (Period of Record - February 1938* to Present)
1998	25,100	33.73	Feb 3, 1998
1956	24,000	32.46	Dec 24, 1955
1958	23,500	33.11	Apr 3, 1958
1955	21,500	32.20	Mar 11, 1955
1969	17,800	23.90	Feb 25, 1969
* Missing data during 1939, otherwise record complete

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ529)

Tonight: Partly cloudy. Lows in the lower 40s. Northeast winds around 5 mph in the evening and becoming light.

Wednesday: Partly cloudy in the morning then becoming sunny. Highs in the lower 60s. North winds 5 to 10 mph and becoming northwest 5 to 15 mph in the afternoon.

Wednesday Night: Mostly clear. Lows in the lower 40s. North winds 5 to 10 mph.

Thursday: Sunny. Highs in the mid 60s. North winds around 5 mph and becoming southeast in the afternoon.

Thursday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Friday: Mostly cloudy. A chance of rain. Highs in the lower 60s.

Friday Night: Mostly cloudy. A chance of rain. Lows in the lower 40s.

Saturday and Saturday Night: Mostly cloudy. A slight chance of rain. Highs in the lower 60s. Lows in the mid 40s.

Sunday: Rain likely. Highs around 60.

Sunday Night: Rain likely. Lows in the mid 40s.

Monday: Mostly cloudy. A chance of showers. Highs around 60.

Monday Night: Mostly cloudy. Lows in the mid 40s.

Tuesday: Partly cloudy. Highs in the lower 60s.

Impacts - E19 Information
25.0 Feet	Scouring of lowlands throughout the Pajaro Valley in areas not protected by levees.
28.0 Feet	Some minor flooding of lowest agricultural areas in all reaches above Chittenden. Some secondary roads begin to flood. Watsonville levees within 3 feet of top.
29.5 Feet	Levees protecting Watsonville within 2 feet of top. Moderate bank erosion and sediment deposition throughout reach. Some secondary roads flooded. State Highway 129 between US 101 and Watsonville begins to flood at railroad underpass 300 feet below gage and other lower spots along the river.
32.0 Feet	Significant damage from bank erosion and sediment deposition throughout reach. Some primary and many secondary roads flooded. Minor flooding of low portions of towns within the reach of the gage begins. Damage to roads and bridges possible due to erosion or logjams.
32.5 Feet	Widespread flooding through the Pajaro Valley, with extensive damage and possible loss of life. Extensive erosion and logjam damage to highways and bridges. Many primary and most secondary roads flooded making transportation difficult.
33.11 Feet	Extensive flood damage throughout the Pajaro Valley. Transportation extremely difficult. Watsonville and Pajaro levees overtopped or severely strained if sandbagged.
33.5 Feet	Severe damage in Pajaro Valley, especially in Pajaro and Watsonville areas and likely near San Juan Bautista along the San Benito River and portions south of Gilroy near the Pajaro River. Transportation essentially impossible.
33.73 Feet	Stage and flow of record. 02/03/1998. 25,100 cfs.
35.0 Feet	Bankfull at gage. Transportation impossible. Levees protecting Watsonville and Pajaro in great danger of failing.

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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