NOAA - National Weather Service - California Nevada River Forecast Center

TUOLUMNE RIVER - MODESTO (MDSC1)

Latitude: 37.63º N	Longitude: 120.99º W	Elevation: 90 Feet
Location: Stanislaus County in California		River Group: San Joaquin

Issuance Time:

Feb 15 2013 at 1:29 PM PST

Next Issuance:

Feb 16 2013 at 9:00 AM PST

Monitor Stage: 50.5 Feet

Flood Stage: 55.0 Feet

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2011*	9,250	53.95	Mar 26, 2011
2010*	5,240	47.99	Jun 14, 2010
2009*	1,640	41.81	Mar 5, 2009
2008*	2,380	43.10	Jan 25, 2008
2007*	1,070	40.66	Apr 22, 2007
Historical High Stage/Flow Events (Period of Record - February 1895 to Present)**
1951*	57,000	69.19	Dec 9, 1950
1997*	55,800	71.21***	Jan 4, 1997
1956*	37,600	66.43	Dec 25, 1955
1969*	32,600	65.42	Jan 27, 1969
* Discharge affected to unknown degree by regulation or diversion
** Most recent continuous record back to 1943 with segmented periods back to Feb 1895
*** Backwater effect caused by debris on railroad trestle 1500 ft downstream of gage

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

Google™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ019)

Today: Sunny. Highs 65 to 71. Southeast winds up to 10 mph.

Tonight: Clear. Lows 37 to 47. Light winds.

Saturday: Mostly sunny. Highs 64 to 70. Light winds.

Saturday Night: Mostly clear. Lows 37 to 45. Northwest winds up to 10 mph.

Sunday: Patchy fog in the morning. Mostly sunny. Highs 60 to 66. Northwest winds up to 15 mph.

Sunday Night: Mostly clear. Lows around 39.

Washingtons Birthday: Partly cloudy. Patchy fog. Highs 57 to 65.

Monday Night: Mostly cloudy with a chance of rain showers. Lows around 41.

Tuesday: Rain showers. Highs 49 to 57.

Tuesday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 32 to 38.

Wednesday: Mostly cloudy with a chance of rain showers. Highs 49 to 57.

Wednesday Night: Mostly cloudy. Lows 30 to 38.

Thursday: Partly cloudy with a slight chance of rain showers. Highs 52 to 59.

Impacts - E19 Information
55.0 Feet	This is channel capacity through downtown Modesto.
67.0 Feet	Extensive flooding occurs. Flows in excess of 40,000 cfs could cause extensive damage to residential, industrial, and commercial development in Modesto downstream of gage.

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 Sacramento 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.

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