CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

SANTA YNEZ RIVER - NARROWS (NRWC1)

Latitude: 34.64º N	Longitude: 120.42º W	Elevation: 85 Feet
Location: Santa Barbara County in California		Bulletin Group: Southern California		River Group: Southern California

Issuance Time:

Sep 27 2023 at 8:11 AM PDT

Next Issuance:

Sep 28 2023 at 9:00 AM PDT

Monitor Stage: 11.0 Feet

Flood Stage: 15.0 Feet

Plot Type:

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
2022*	592	4.62	Dec 23, 2021
2021*	2,710	6.96	Jan 28, 2021
2020*	1,710	6.47	Apr 6, 2020
2019*	4,470	8.87	Feb 2, 2019
2018*	213	4.08	Mar 22, 2018
Historical High Stage/Flow Events (Period of Record - Nov 1906 to Present)** - Ranked by Flow
1969*	80,000	24.20	Jan 25, 1969
1978*	63,200	16.80	Mar 04, 1978
2001*	42,300	20.56	Mar 06, 2001
1983*	42,300	14.50	Mar 01, 1983
* Discharge affected by regulation or diversion
** Most recent continuous record back to Oct 1980 with segmented periods back to Nov 1906

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
13.0 Feet	Agricultural land and outlying federal prison ground innundated.
15.0 Feet	Floods Floradale Avenue and bridge, low-lying areas in and around Lompoc. Flooding and erosion threaten agricultural land and livestock. Hazardous to low-water crossings.
24.2 Feet	In 1969, flood waters filled the Santa Ynez Valley. Refugio, Alisal Rd, Florandale Ave, FCI, and Surf Bridges washed out, 13 St Bridge damaged. Buellton/Solvang - damage to ranches, sewage treatment plant; levees, gravel plant destroyed. Lompoc - Flooding at H St Bridge, sewer treatment plant, S. Vandenburg AFB, and Lompoc Airport.

Official 7 Day National Weather Service Forecast (CAZ347)

Today: Sunny after morning low clouds and fog. Highs in the mid 70s to mid 80s. North winds 15 to 25 mph shifting to the northwest 20 to 30 mph with gusts to 40 mph in the afternoon.

Tonight: Clear early then low clouds and fog. Lows in the mid 50s. Northwest winds 20 to 30 mph decreasing to 15 to 25 mph after midnight.

Thursday: Low clouds and fog in the morning then sunny. Highs in the 70s to around 80. Northwest winds 15 to 25 mph.

Thursday Night: Clear early then low clouds and fog. Lows in the lower 50s. Northwest winds 15 to 25 mph in the evening.

Friday: Low clouds and fog in the morning then sunny. Highs in the upper 60s to mid 70s. West winds around 15 mph.

Friday Night: Mostly cloudy. A 20 percent chance of showers after midnight. Lows in the lower to mid 50s.

Saturday: Mostly cloudy with a 20 percent chance of showers. Highs in the lower to mid 60s.

Saturday Night: Mostly cloudy. Lows around 50.

Sunday: Mostly cloudy in the morning then sunny. Highs in the mid 60s to around 70.

Sunday Night: Partly cloudy early then low clouds and fog. Lows around 50.

Monday: Low clouds and fog in the morning then sunny. Highs in the mid 60s to mid 70s.

Monday Night: Mostly clear. Lows in the lower 50s.

Tuesday: Sunny. Highs in the 70s to around 80.

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 Los Angeles-Oxnard 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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Verification - Historical Graphical RVF
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