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National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
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MAD RIVER - ARCATA (ARCC1)
Latitude: 40.91º NLongitude: 124.06º WElevation: 13 Feet
Location: Humboldt County in CaliforniaRiver Group: North Coast
Issuance Time: Apr 15 2014 at 1:31 PM PDTNext Issuance: Apr 16 2014 at 9:00 AM PDT
Monitor Stage: 15.0 FeetFlood Stage: 22.0 Feet
Verification - Historical Graphical RVF
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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2012
21,000
16.65
Mar 30, 2012
2011
30,700
19.56
Dec 29, 2010
2010
14,000
13.97
Feb 26, 2010
2009
13,500
13.62
Feb 23, 2009
2008
22,700
16.37
Jan 04, 2008
 Historical High Stage/Flow Events (Period of Record - Aug 1950 to Present)
1964
81,000
30.70
Dec 22, 1964
1956
80,000
--
Dec 22, 1955
1953
75,000
--
Jan 17, 1953
1996
54,700
24.17
Dec 30, 1995
Location Photographs
Google™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ001)
Today: Mostly cloudy early in the morning then becoming partly cloudy. Highs 55 to 65. Northwest wind 10 to 20 mph.

Tonight: Mostly cloudy with patchy fog. Lows 40 to 50. North wind 10 to 20 mph.

Thursday: Mostly cloudy. A slight chance of rain in the morning. A chance of rain in the afternoon. Highs 53 to 63. Northwest wind 5 to 15 mph.

Thursday Night: Mostly cloudy with a slight chance of rain showers. Lows 40 to 50. North wind 5 to 15 mph.

Friday: Partly cloudy. Highs 56 to 66. North wind 5 to 15 mph.

Friday Night and Saturday: Partly cloudy. Lows 40 to 50. Highs 56 to 66.

Saturday Night and Sunday: Mostly cloudy. Lows 42 to 52. Highs 56 to 66.

Sunday Night: Mostly cloudy with a slight chance of rain. Lows 41 to 51.

Monday: Mostly cloudy with a chance of rain. Highs 54 to 64.

Monday Night: Cloudy with a chance of rain. Lows 40 to 50.

Tuesday: Mostly cloudy with a chance of rain. Highs 53 to 63.
Impacts - E19 Information
15.0 FeetMinor flooding begins on the Mad River Beach Road near Tyee City.
18.0 FeetMinor flooding on Mad River Beach Road near Tyee City.
21.0 FeetFlooding of Mad River Beach Road. Water may be flowing over roads to Tyee City. Flooding will be enhanced if the time of the crest is coincident with high tides and strong onshore winds.
22.0 FeetSignificant flooding of portions of Mad River Beach Road. Water may flow across roads to Tyee City. Flood impacts will be aggravated by high tides and strong onshore winds.
23.0 FeetSignificant flooding of portions of Mad River Beach Road and adjacent farm lands is likely. May cause water to flow across roads to Tyee City. High tides and strong onshore winds will aggravate flood impacts.
24.0 FeetExtensive flooding along Mad River Beach Road and adjacent farm lands. Some homes along the river could be threatened. Flooding of roads to Tyee City. High tides and strong onshore winds worsen impacts.
26.0 FeetSevere flooding along Mad River Beach Road and extensive flooding of farm lands and other roads in the area. Flooding of residential areas around Tyee City is likely. Any low-lying areas near the river could be flooded. Residents in these areas should be prepared to take appropriate action to protect lives and property.
28.0 FeetSevere flooding of all low-lying areas near the river from Blue Lake downstream to the mouth. Residents in these areas should be prepared to protect lives and property. This includes residential areas of Tyee City and the Arcata Bottoms, US Highway 101 near Janes Road, areas near Giuntoli Lane, and Mad River Beach Road.
30.0 FeetExtensive, severe flooding of all low-lying areas near the river from Blue Lake downstream to the mouth. Residents in these areas should be prepared to take appropriate action to protect lives and property. Critical locations include residential areas of Blue Lake, Tyee City and Arcata Bottoms, as well as US Highway 101 near Janes Road and areas near Giuntoli Lane.
32.0 FeetDisastrous flooding of all areas near the river from Blue Lake to the mouth. The river is forecast to approach record levels. All roads in the vicinity of the river are likely to be inundated and travel will be severely restricted. Residents should be prepared to take appropriate action to protect lives and property. This would include homes in Blue Lake, Tyee City, and the Arcata Bottoms, as well as US Highway 101 between Arcata and McKinleyville.
33.0 FeetDisastrous flooding of all areas near the river from Blue Lake to the mouth. The river is forecast to exceed record levels. All roads in the vicinity of the river are likely to be inundated and travel will be severely restricted. Residents should be prepared to take appropriate action to protect lives and property. This would include homes in Blue Lake, Tyee City, and the Arcata Bottoms, as well as US Highway 101 between Arcata and McKinleyville.
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 Eureka 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
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.