CNRFC - Hydrology - Observed River/Reservoir Conditions

GUADALUPE RIVER - SAN JOSE AT US HIGHWAY 101 (GSJC1)

Latitude: 37.37º N	Longitude: 121.93º W	Elevation: 72 Feet
Location: Santa Clara County in California		Bulletin Group: Central Coast		River Group: South Bay

Action/Monitor: 17.0 Feet

Minor Flood: 18.5 Feet

Moderate Flood: 19.5 Feet

Major Flood: 21.0 Feet

Plot Type:

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

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2017*	6,340	15.38	Feb 21, 2017
2016*	1,920	11.06	Mar 7, 2016
2015*	5,380	14.24	Dec 12, 2014
2014*	2,310	11.58	Feb 28, 2014
2013*	3,160	12.66	Dec 23, 2012
Historical High Stage/Flow Events (Period of Record - May 2002 to Present) - Ranked by Flow
2017*	6,340	15.38	Feb 21, 2017
2003*	6,070	14.64	Dec 16, 2002
2008*	4,640	13.40	Jan 04, 2008
* Discharge affected by regulation or diversion

ESRI™ Locator Map

Flood Impacts
21.0 Feet	Major Flooding: Levee overtopping, with failures likely along both sides of the river between US-101 and Trimble flowing in a northerly direction.
19.5 Feet	Moderate Flooding: Levee overtopping imminent. Highest risk areas are between US-101 and Trimble.
18.5 Feet	Minor Flooding: High flows with heavy debris might cause localized blockages to cause overtopping of levees.
17.0 Feet	Monitor Stage: Flood watch stage. (9100.0 cfs)

Official 7 Day National Weather Service Forecast (CAZ513)

rest of Tonight: Mostly clear except patchy fog after midnight. Lows around 50. Southeast winds 5 to 10 mph.

Wednesday: Sunny. Highs in the upper 70s. Southeast winds around 5 mph and becoming southwest in the afternoon.

Wednesday Night: Mostly clear. Lows in the lower 50s. West winds 5 to 10 mph.

Thursday: Partly cloudy in the morning then becoming sunny. Highs in the upper 70s to mid 80s. Light winds and becoming west 5 to 10 mph in the afternoon.

Thursday Night: Mostly clear. Lows in the lower 50s. Northwest winds 5 to 10 mph.

Friday: Sunny. Highs in the mid 80s to lower 90s.

Friday Night through Saturday Night: Mostly clear. Lows in the mid 50s. Highs in the 80s to lower 90s.

Sunday: Partly cloudy in the morning then becoming sunny. Highs in the mid 70s.

Sunday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s.

Monday through Tuesday: Partly cloudy. Highs in the upper 60s. Lows in the upper 40s.

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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