CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

SAN LUIS REY RIVER - OCEANSIDE (SLOC1)

Latitude: 33.22º N	Longitude: 117.36º W	Elevation: 20 Feet
Location: San Diego County in California		Bulletin Group: Southern California		River Group: San Diego/Inland

Issuance Time:

Sep 26 2023 at 8:15 AM PDT

Next Issuance:

Sep 27 2023 at 9:00 AM PDT

Monitor Stage: N/A

Flood Stage: 21.0 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*	66	6.71	Dec 26, 2021
2021*	95	6.97	Jan 29, 2021
2020*	5,520	16.18	Apr 11, 2020
2019*	8,240	18.49	Feb 15, 2019
2018*	121	7.02	Jan 9, 2018
Historical High Stage/Flow Events (Period of Record - Oct 1946 to Present)*** - Ranked by Flow
1916	95,600	--	Jan 27, 1916
1993**	25,700	21.70	Jan 16, 1993
1980*	25,000	14.00	Feb 21, 1980
2005*	21,800	20.68	Jan 11, 2005
1995*	19,500	19.97	Mar 06, 1995
* Discharge affected by regulation or diversion
** Maximum since regulation by Lake Henshaw
*** Most recent continuous record back to Oct 1946 with segmented periods back to Apr 1912
**** No flow recorded during the entire water year

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
21.0 Feet	Damage unknown. Bridge approaches upstream threatened and at risk of undermining.
24.5 Feet	Damage unknown. Camino Del Rey, Couser Canyon, and Shearer Crossing Bridge approaches at risk of being washed out.
28.0 Feet	Scouring and undermining of roads and structures adjacent to the river channel. Bridge approaches designed to wash out at high flows destroyed. Indian gaming casinos parking facilities under water. Most significant damage upstream of levee with adjacent cropland underwater and homes threatened. Some infrastructure facilities damaged in city of Oceanside.
29.0 Feet	Overtopping levee. Henshaw Dam was not in place nor was the levee at time of record flow. Levee is designed for PMF of 85,000 cfs. Peak adjusted discharge of 1916 event with Henshaw Dam is estimated to be 54,000 cfs. This is also assumed to be the 100 year storm.

Official 7 Day National Weather Service Forecast (CAZ043)

Today: Partly cloudy with patchy fog this morning and becoming mostly sunny. Local visibility one quarter mile or less at times this morning. Highs 73 to 78 near the coast to 80 inland. Light winds becoming southwest 10 mph this afternoon.

Tonight: Partly cloudy. Patchy fog overnight. Lows 56 to 61. Light winds becoming south 10 mph overnight.

Thursday: Partly cloudy with patchy fog in the morning and Becoming mostly sunny. Highs 71 to 74 near the coast to 76 inland. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon.

Thursday Night: Partly cloudy in the evening and becoming cloudy overnight with patchy fog. Lows 57 to 62. Areas of winds south 10 mph.

Friday: Cloudy in the morning and becoming partly cloudy. Patchy fog in the morning. Highs 71 to 74. Areas of winds south 10 to 15 mph.

Friday Night: Partly cloudy in the evening, then cloudy with a slight chance of showers overnight. Lows 57 to 63.

Saturday: Cloudy with a chance of showers in the morning, then mostly cloudy in the afternoon. Highs 66 to 69.

Saturday Night: Mostly cloudy. A slight chance of showers overnight. Lows 55 to 61.

Sunday: Mostly cloudy with a slight chance of showers in the morning, then partly cloudy in the afternoon. Highs around 68.

Sunday Night: Partly cloudy. Lows 53 to 58.

Monday: Partly cloudy in the morning and becoming mostly sunny. Highs 69 to 72.

Monday Night: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 54 to 59.

Tuesday: Partly cloudy with patchy fog in the morning and Becoming mostly sunny. Highs 70 to 73 near the coast to 74 inland.

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 Diego 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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