CNRFC - Hydrology - Observed River/Reservoir Conditions

*** IMPORTANT *** Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.

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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
2024	2,830	11.40	Jan 22, 2024
2023	5,080	12.77	Jan 16, 2023
2022	1,370	9.40	Dec 14, 2021
2021	691	7.26	Jan 29, 2021
2020	4,460	12.49	Apr 10, 2020
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)

Tonight: Mostly clear This Evening and becoming partly cloudy. Patchy fog overnight. Lows around 60. Areas of winds west to 10 mph This Evening becoming light.

Monday: Patchy fog in the morning. Partly cloudy. Highs 72 to 76 near the coast to 80 inland. Areas of winds west to 10 mph.

Monday Night: Partly cloudy. Patchy fog overnight. Lows around 60. Areas of winds west 10 mph in the evening becoming light.

Tuesday: Patchy fog in the morning. Partly cloudy. Highs 73 to 76 near the coast to 79 to 82 inland. Areas of winds south to 10 mph.

Tuesday Night: Partly cloudy. Patchy fog overnight. Lows around 60. Areas of winds southwest 10 mph in the evening becoming light.

Wednesday: Patchy fog in the morning. Partly cloudy. Highs 71 to 75 near the coast to 78 inland.

Wednesday Night: Partly cloudy in the evening and becoming mostly cloudy. Lows 57 to 61.

juneteenth: Mostly cloudy in the morning and becoming partly cloudy. Highs 71 to 74 near the coast to 78 inland.

Thursday Night: Partly cloudy in the evening and becoming mostly cloudy. Lows around 60.

Friday: Partly cloudy. Highs 71 to 75 near the coast to 78 inland.

Friday Night: Partly cloudy in the evening and becoming mostly cloudy. Lows 57 to 61.

Saturday: Cloudy in the morning and becoming partly cloudy. Highs 69 to 72 near the coast to 75 inland.

Saturday Night: Partly cloudy in the evening and becoming cloudy. Lows around 60.

Sunday: Mostly cloudy in the morning and becoming partly cloudy. Highs 69 to 74 near the coast to 74 inland.

Flood Impacts
16.5 Feet	Most unelevated roads and intersections in Mission Valley are flooded and impassable. Widespread damage to businesses, residences and roads throughout Mission Valley. Water will reach up to Highway 163.
13.5 Feet	Portions of Hotel Circle Road North under water. Qualcomm Way flooded and may close. Snapdragon Stadium parking may flood (likely not now) 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.
12.0 Feet	Even more extensive road flooding occurs in and around Mission Valley. Qualcomm Way, Camino Del Este, Ward Road, and Mission Gorge Rd flooded. Mission Trolley Station flooded and may close due to flowing water. I-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. Old golf course has been flooded at this level.
11.0 Feet	The parking garages in Fashion Valley Mall can have up to 3 feet of water on the lowest levels. Water may begin to surround area hotels such as the River Leaf Inn. The Mission Trolley Station on Ward Road may begin to flood. Flooding begins on Camino De La Reina (under Highway 163).
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 gage.
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 can begin to take on water at the lowest levels.
7.5 Feet	Action stage. 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.

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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