CNRFC - Hydrology - Observed River/Reservoir Conditions

End of River Group

SAN DIEGO RIVER - FASHION VALLEY (FSNC1)

Latitude: 32.77º N	Longitude: 117.17º W	Elevation: 20 Feet
Location: San Diego County in California		River Group: Southern California

Monitor Stage: 7.5 Feet

Flood Stage: 10.0 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
2022	1,370	9.40	Dec 14, 2021
2021	691	7.26	Jan 29, 2021
2020	4,460	12.49	Apr 10, 2020
2019	3,350	12.19	Feb 14, 2019
2018	801	8.18	Jan 9, 2018
Historical High Stage/Flow Events (Period of Record - Jan 1982 to Present) - Ranked by Flow
2017	9,810	14.15	Feb 28, 2017
1995*	9,430	13.47	Mar 06, 1995
2011*	9,420	14.06	Dec 22, 2010
1983	8,280	13.11	Mar 02, 1983
1998	7,090	12.80	Feb 08, 1998
* Since upstream regulation by El Capitan and San Vicente Reservoirs

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ043)

Today: Cloudy with a chance of showers this morning, then partly cloudy this afternoon. Highs around 64. Areas of winds west 10 mph. Chance of measurable precipitation 30 percent.

Tonight: Partly cloudy in the evening, then cloudy with a slight chance of showers overnight. Lows 51 to 55. Areas of winds west 10 mph. Chance of measurable precipitation 20 percent.

Friday: Cloudy with a chance of showers in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs 62 to 65. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon. Chance of measurable precipitation 40 percent.

Friday Night: Mostly cloudy. A slight chance of showers in the evening. Lows 51 to 56. Areas of winds west 10 to 15 mph becoming south overnight. Chance of measurable precipitation 20 percent.

Saturday: Mostly cloudy in the morning and becoming mostly sunny. Highs 66 to 71. Areas of winds south 10 to 15 mph.

Saturday Night: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 49 to 53.

Sunday: Partly cloudy with patchy fog in the morning and becoming mostly sunny. Highs 66 to 70 near the coast to 70 inland.

Sunday Night: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 51 to 55.

Monday: Partly cloudy with patchy fog in the morning and becoming mostly sunny. Highs 68 to 73 near the coast to 74 inland.

Monday Night: Mostly clear in the evening and becoming partly cloudy overnight with patchy fog. Lows 52 to 57.

Tuesday: Partly cloudy with patchy fog in the morning and Becoming mostly sunny. Highs 69 to 73 near the coast to 74 inland.

Tuesday Night: Mostly clear in the evening and becoming mostly cloudy overnight with patchy fog. Lows 51 to 56.

Wednesday: Mostly cloudy with patchy fog in the morning and Becoming mostly sunny. Highs 67 to 71 near the coast to 71 inland.

Impacts - E19 Information
7.5 Feet	The first real impacts are seen on the San Diego River at this level. Low lying roads in and around Fashion Valley Mall begin to take on water. Avenida Del Rio is the first road to begin flooding
9.0 Feet	More extensive low lying road flooding begins in and around Fashion Valley including Fashion Valley Road. Parking structures in and around Fashion Valley Mall begin to take on water at the lowest levels.
10.0 Feet	More extensive flooding begins at this level, more than just low lying areas. Fashion Valley Mall parking garage is taking on water at the lower levels with 1 to 2 feet of water in the garage. Water on the Town and Country hotel parking lot adjacent to the river and USGS gauge at Fashion Valley.
11.0 Feet	The parking garages in Fashion Valley Mall can have 3 feet of water on the lowest levels. Water may begin to surround area hotels such as the River Leaf Inn. The Mision Trolley Station on Ward Road may begin to flood. Flooding begins on Cmino De La Reina (under Highway 163).
12.0 Feet	Even more extensive flooding occurs in and around Mission Valley. Qualcomm Way, Camino Del Este, Ward Road, and Mission Gorge Road flooded. Mission Trolley Station flooded and may close due to flowing water. Interstate 5 on and off ramps flooded at the San Diego River and Pacific Highway. Mission Center Road may begin flooding with debris on railings. Fashion Valley Trolley Station surrounded by water. 2 feet of water flowing over Fashion Valley Road across gates. The golf course has been flooded at this level.
13.5 Feet	Portions of Hotel Circle Road North under water. Qualcomm Way flooded and may close. Snapdragon Stadium parking may flood (likely not) and water may back up on Chollas Creek. Mission Gorge Road at low water crossing closed with 1-2 feet of flowing water. Mission Center Road will have 2-3 feet of flowing water. Hotel Circle Road has areas of standing water.
16.5 Feet	Most unelevated roads and intersections in Mission Valley are flooded and impassible. Widespread damage to businesses, residences, and roads throughout Mission Valley. Water will reach up to Highway 163 road level.

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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