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Hydrograph River at a Glance Download
Mad River near Arcata Stage (ft)Flow (cfs)Observed: 4.39 ft at 7:30PM Sep 19, 2014Observed: 4.38 ft at 7:45PM Sep 19, 2014Observed: 4.37 ft at 8:00PM Sep 19, 2014Observed: 4.36 ft at 8:15PM Sep 19, 2014Observed: 4.36 ft at 8:30PM Sep 19, 2014Observed: 4.37 ft at 8:45PM Sep 19, 2014Observed: 4.35 ft at 9:00PM Sep 19, 2014Observed: 4.37 ft at 9:15PM Sep 19, 2014Observed: 4.34 ft at 9:30PM Sep 19, 2014Observed: 4.35 ft at 9:45PM Sep 19, 2014Observed: 4.36 ft at 10:00PM Sep 19, 2014Observed: 4.36 ft at 10:15PM Sep 19, 2014Observed: 4.35 ft at 10:30PM Sep 19, 2014Observed: 4.35 ft at 10:45PM Sep 19, 2014Observed: 4.35 ft at 11:00PM Sep 19, 2014Observed: 4.35 ft at 11:15PM Sep 19, 2014Observed: 4.34 ft at 11:30PM Sep 19, 2014Observed: 4.33 ft at 11:45PM Sep 19, 2014Observed: 4.32 ft at 12:00AM Sep 20, 2014Observed: 4.32 ft at 12:15AM Sep 20, 2014Observed: 4.32 ft at 12:30AM Sep 20, 2014Observed: 4.31 ft at 12:45AM Sep 20, 2014Observed: 4.31 ft at 1:00AM Sep 20, 2014Observed: 4.32 ft at 1:15AM Sep 20, 2014Observed: 4.33 ft at 1:30AM Sep 20, 2014Observed: 4.33 ft at 1:45AM Sep 20, 2014Observed: 4.32 ft at 2:00AM Sep 20, 2014Observed: 4.32 ft at 2:15AM Sep 20, 2014Observed: 4.33 ft at 2:30AM Sep 20, 2014Observed: 4.33 ft at 2:45AM Sep 20, 2014Observed: 4.33 ft at 3:00AM Sep 20, 2014Observed: 4.33 ft at 3:15AM Sep 20, 2014Observed: 4.34 ft at 3:30AM Sep 20, 2014Observed: 4.33 ft at 3:45AM Sep 20, 2014Observed: 4.33 ft at 4:00AM Sep 20, 2014Observed: 4.32 ft at 4:15AM Sep 20, 2014Observed: 4.33 ft at 4:30AM Sep 20, 2014Observed: 4.33 ft at 4:45AM Sep 20, 2014Observed: 4.34 ft at 5:00AM Sep 20, 2014Observed: 4.33 ft at 5:15AM Sep 20, 2014Observed: 4.33 ft at 5:30AM Sep 20, 2014Observed: 4.34 ft at 5:45AM Sep 20, 2014Observed: 4.34 ft at 6:00AM Sep 20, 2014Observed: 4.34 ft at 6:15AM Sep 20, 2014Observed: 4.35 ft at 6:30AM Sep 20, 2014Observed: 4.36 ft at 6:45AM Sep 20, 2014Observed: 4.35 ft at 7:00AM Sep 20, 2014Observed: 4.37 ft at 7:15AM Sep 20, 2014Observed: 4.36 ft at 7:30AM Sep 20, 2014Observed: 4.38 ft at 7:45AM Sep 20, 2014Observed: 4.38 ft at 8:00AM Sep 20, 2014Observed: 4.37 ft at 8:15AM Sep 20, 2014Observed: 4.37 ft at 8:30AM Sep 20, 2014Observed: 4.35 ft at 8:45AM Sep 20, 2014Observed: 4.35 ft at 9:00AM Sep 20, 2014Observed: 4.33 ft at 9:15AM Sep 20, 2014Observed: 4.33 ft at 9:30AM Sep 20, 2014Observed: 4.33 ft at 9:45AM Sep 20, 2014Observed: 4.32 ft at 10:00AM Sep 20, 2014Observed: 4.33 ft at 10:15AM Sep 20, 2014Observed: 4.32 ft at 10:30AM Sep 20, 2014Observed: 4.32 ft at 10:45AM Sep 20, 2014Observed: 4.32 ft at 11:00AM Sep 20, 2014Observed: 4.31 ft at 11:15AM Sep 20, 2014Observed: 4.31 ft at 11:30AM Sep 20, 2014Observed: 4.3 ft at 11:45AM Sep 20, 2014Observed: 4.32 ft at 12:00PM Sep 20, 2014Observed: 4.31 ft at 12:15PM Sep 20, 2014Observed: 4.31 ft at 12:30PM Sep 20, 2014Observed: 4.32 ft at 12:45PM Sep 20, 2014Observed: 4.32 ft at 1:00PM Sep 20, 2014Observed: 4.32 ft at 1:15PM Sep 20, 2014Observed: 4.34 ft at 1:30PM Sep 20, 2014Observed: 4.33 ft at 1:45PM Sep 20, 2014Observed: 4.34 ft at 2:00PM Sep 20, 2014Observed: 4.33 ft at 2:15PM Sep 20, 2014Observed: 4.34 ft at 2:30PM Sep 20, 2014Observed: 4.35 ft at 2:45PM Sep 20, 2014Observed: 4.36 ft at 3:00PM Sep 20, 2014Observed: 4.35 ft at 3:15PM Sep 20, 2014Observed: 4.35 ft at 3:30PM Sep 20, 2014Observed: 4.34 ft at 3:45PM Sep 20, 2014Observed: 4.33 ft at 4:00PM Sep 20, 2014Observed: 4.32 ft at 4:15PM Sep 20, 2014Observed: 4.32 ft at 4:30PM Sep 20, 2014Observed: 4.31 ft at 4:45PM Sep 20, 2014Observed: 4.31 ft at 5:00PM Sep 20, 2014Observed: 4.31 ft at 5:15PM Sep 20, 2014Observed: 4.31 ft at 5:30PM Sep 20, 2014Observed: 4.31 ft at 5:45PM Sep 20, 2014Observed: 4.31 ft at 6:00PM Sep 20, 2014Observed: 4.3 ft at 6:15PM Sep 20, 2014Observed: 4.3 ft at 6:30PM Sep 20, 2014Observed: 4.3 ft at 6:45PM Sep 20, 2014Observed: 4.31 ft at 7:00PM Sep 20, 2014Observed: 4.3 ft at 7:15PM Sep 20, 2014Observed: 4.3 ft at 7:30PM Sep 20, 2014Observed: 4.29 ft at 7:45PM Sep 20, 2014Observed: 4.31 ft at 8:00PM Sep 20, 2014Observed: 4.29 ft at 8:15PM Sep 20, 2014Observed: 4.29 ft at 8:30PM Sep 20, 2014Observed: 4.29 ft at 8:45PM Sep 20, 2014Observed: 4.28 ft at 9:00PM Sep 20, 2014Observed: 4.27 ft at 9:15PM Sep 20, 2014Observed: 4.29 ft at 9:30PM Sep 20, 2014Observed: 4.29 ft at 9:45PM Sep 20, 2014Observed: 4.31 ft at 10:00PM Sep 20, 2014Observed: 4.31 ft at 10:15PM Sep 20, 2014Observed: 4.32 ft at 10:30PM Sep 20, 2014Observed: 4.32 ft at 10:45PM Sep 20, 2014Observed: 4.32 ft at 11:00PM Sep 20, 2014Observed: 4.33 ft at 11:15PM Sep 20, 2014Observed: 4.34 ft at 11:30PM Sep 20, 2014Observed: 4.34 ft at 11:45PM Sep 20, 2014Observed: 4.34 ft at 12:00AM Sep 21, 2014Observed: 4.35 ft at 12:15AM Sep 21, 2014Observed: 4.34 ft at 12:30AM Sep 21, 2014Observed: 4.34 ft at 12:45AM Sep 21, 2014Observed: 4.34 ft at 1:00AM Sep 21, 2014Observed: 4.34 ft at 1:15AM Sep 21, 2014Observed: 4.34 ft at 1:30AM Sep 21, 2014Observed: 4.34 ft at 1:45AM Sep 21, 2014Observed: 4.34 ft at 2:00AM Sep 21, 2014Observed: 4.35 ft at 2:15AM Sep 21, 2014Observed: 4.35 ft at 2:30AM Sep 21, 2014Observed: 4.35 ft at 2:45AM Sep 21, 2014Observed: 4.36 ft at 3:00AM Sep 21, 2014Observed: 4.36 ft at 3:15AM Sep 21, 2014Observed: 4.36 ft at 3:30AM Sep 21, 2014Observed: 4.36 ft at 3:45AM Sep 21, 2014Observed: 4.35 ft at 4:00AM Sep 21, 2014Observed: 4.35 ft at 4:15AM Sep 21, 2014Observed: 4.34 ft at 4:30AM Sep 21, 2014Observed: 4.35 ft at 4:45AM Sep 21, 2014Observed: 4.35 ft at 5:00AM Sep 21, 2014Observed: 4.34 ft at 5:15AM Sep 21, 2014Observed: 4.35 ft at 5:30AM Sep 21, 2014Observed: 4.35 ft at 5:45AM Sep 21, 2014Observed: 4.35 ft at 6:00AM Sep 21, 2014Observed: 4.34 ft at 6:15AM Sep 21, 2014Observed: 4.34 ft at 6:30AM Sep 21, 2014Observed: 4.35 ft at 6:45AM Sep 21, 2014Observed: 4.34 ft at 7:00AM Sep 21, 2014Observed: 4.36 ft at 7:15AM Sep 21, 2014Observed: 4.34 ft at 7:30AM Sep 21, 2014Observed: 4.34 ft at 7:45AM Sep 21, 2014Observed: 4.34 ft at 8:00AM Sep 21, 2014Observed: 4.35 ft at 8:15AM Sep 21, 2014Observed: 4.35 ft at 8:30AM Sep 21, 2014Observed: 4.35 ft at 8:45AM Sep 21, 2014Observed: 4.36 ft at 9:00AM Sep 21, 2014Observed: 4.36 ft at 9:15AM Sep 21, 2014Observed: 4.36 ft at 9:30AM Sep 21, 2014Observed: 4.35 ft at 9:45AM Sep 21, 2014Observed: 4.35 ft at 10:00AM Sep 21, 2014Observed: 4.34 ft at 10:15AM Sep 21, 2014Observed: 4.34 ft at 10:30AM Sep 21, 2014Observed: 4.34 ft at 10:45AM Sep 21, 2014Observed: 4.34 ft at 11:00AM Sep 21, 2014Observed: 4.33 ft at 11:15AM Sep 21, 2014Observed: 4.33 ft at 11:30AM Sep 21, 2014Observed: 4.33 ft at 11:45AM Sep 21, 2014Observed: 4.33 ft at 12:00PM Sep 21, 2014Observed: 4.33 ft at 12:15PM Sep 21, 2014Observed: 4.32 ft at 12:30PM Sep 21, 2014Observed: 4.33 ft at 12:45PM Sep 21, 2014Observed: 4.33 ft at 1:00PM Sep 21, 2014Observed: 4.32 ft at 1:15PM Sep 21, 2014Observed: 4.33 ft at 1:30PM Sep 21, 2014Observed: 4.32 ft at 1:45PM Sep 21, 2014Observed: 4.33 ft at 2:00PM Sep 21, 2014Observed: 4.3 ft at 2:15PM Sep 21, 2014Observed: 4.31 ft at 2:30PM Sep 21, 2014Observed: 4.32 ft at 2:45PM Sep 21, 2014Observed: 4.31 ft at 3:00PM Sep 21, 2014Observed: 4.31 ft at 3:15PM Sep 21, 2014Observed: 4.31 ft at 3:30PM Sep 21, 2014Observed: 4.31 ft at 3:45PM Sep 21, 2014Observed: 4.32 ft at 4:00PM Sep 21, 2014Observed: 4.32 ft at 4:15PM Sep 21, 2014Observed: 4.31 ft at 4:30PM Sep 21, 2014Observed: 4.31 ft at 4:45PM Sep 21, 2014Observed: 4.32 ft at 5:00PM Sep 21, 2014Observed: 4.31 ft at 5:15PM Sep 21, 2014Observed: 4.31 ft at 5:30PM Sep 21, 2014Observed: 4.3 ft at 5:45PM Sep 21, 2014Observed: 4.29 ft at 6:00PM Sep 21, 2014Observed: 4.29 ft at 6:15PM Sep 21, 2014Observed: 4.29 ft at 6:30PM Sep 21, 2014Observed: 4.29 ft at 6:45PM Sep 21, 2014Observed: 4.29 ft at 7:00PM Sep 21, 2014Observed: 4.27 ft at 7:15PM Sep 21, 2014Observed: 4.27 ft at 7:30PM Sep 21, 2014Observed: 4.28 ft at 7:45PM Sep 21, 2014Observed: 4.28 ft at 8:00PM Sep 21, 2014Observed: 4.28 ft at 8:15PM Sep 21, 2014Observed: 4.27 ft at 8:30PM Sep 21, 2014Observed: 4.29 ft at 8:45PM Sep 21, 2014Observed: 4.27 ft at 9:00PM Sep 21, 2014Observed: 4.28 ft at 9:15PM Sep 21, 2014Observed: 4.26 ft at 9:30PM Sep 21, 2014Observed: 4.28 ft at 9:45PM Sep 21, 2014Observed: 4.29 ft at 10:00PM Sep 21, 2014Observed: 4.28 ft at 10:15PM Sep 21, 2014Observed: 4.3 ft at 10:30PM Sep 21, 2014Observed: 4.3 ft at 10:45PM Sep 21, 2014Observed: 4.31 ft at 11:00PM Sep 21, 2014Observed: 4.32 ft at 11:15PM Sep 21, 2014Observed: 4.32 ft at 11:30PM Sep 21, 2014Observed: 4.32 ft at 11:45PM Sep 21, 2014Observed: 4.33 ft at 12:00AM Sep 22, 2014Observed: 4.33 ft at 12:15AM Sep 22, 2014Observed: 4.33 ft at 12:30AM Sep 22, 2014Observed: 4.34 ft at 12:45AM Sep 22, 2014Observed: 4.33 ft at 1:00AM Sep 22, 2014Observed: 4.33 ft at 1:15AM Sep 22, 2014Observed: 4.33 ft at 1:30AM Sep 22, 2014Observed: 4.33 ft at 1:45AM Sep 22, 2014Observed: 4.33 ft at 2:00AM Sep 22, 2014Observed: 4.33 ft at 2:15AM Sep 22, 2014Observed: 4.34 ft at 2:30AM Sep 22, 2014Observed: 4.34 ft at 2:45AM Sep 22, 2014Observed: 4.34 ft at 3:00AM Sep 22, 2014Observed: 4.34 ft at 3:15AM Sep 22, 2014Observed: 4.33 ft at 3:30AM Sep 22, 2014Observed: 4.33 ft at 3:45AM Sep 22, 2014Observed: 4.33 ft at 4:00AM Sep 22, 2014Observed: 4.32 ft at 4:15AM Sep 22, 2014Observed: 4.31 ft at 4:30AM Sep 22, 2014Observed: 4.32 ft at 4:45AM Sep 22, 2014Observed: 4.32 ft at 5:00AM Sep 22, 2014Observed: 4.31 ft at 5:15AM Sep 22, 2014Observed: 4.31 ft at 5:30AM Sep 22, 2014Observed: 4.32 ft at 5:45AM Sep 22, 2014Observed: 4.31 ft at 6:00AM Sep 22, 2014Observed: 4.31 ft at 6:15AM Sep 22, 2014Observed: 4.31 ft at 6:30AM Sep 22, 2014Observed: 4.31 ft at 6:45AM Sep 22, 2014Observed: 4.32 ft at 7:00AM Sep 22, 2014Observed: 4.32 ft at 7:15AM Sep 22, 2014Observed: 4.31 ft at 7:30AM Sep 22, 2014Observed: 4.31 ft at 7:45AM Sep 22, 2014Observed: 4.32 ft at 8:00AM Sep 22, 2014Observed: 4.31 ft at 8:15AM Sep 22, 2014Observed: 4.3 ft at 8:30AM Sep 22, 2014Observed: 4.3 ft at 8:45AM Sep 22, 2014Observed: 4.28 ft at 9:00AM Sep 22, 2014Observed: 4.28 ft at 9:15AM Sep 22, 2014Observed: 4.27 ft at 9:30AM Sep 22, 2014Observed: 4.27 ft at 9:45AM Sep 22, 2014Observed: 4.27 ft at 10:00AM Sep 22, 2014Observed: 4.26 ft at 10:15AM Sep 22, 2014Observed: 4.27 ft at 10:30AM Sep 22, 2014Observed: 4.27 ft at 10:45AM Sep 22, 2014Observed: 4.28 ft at 11:00AM Sep 22, 2014Observed: 4.27 ft at 11:15AM Sep 22, 2014Observed: 4.27 ft at 11:30AM Sep 22, 2014Observed: 4.26 ft at 11:45AM Sep 22, 2014Observed: 4.26 ft at 12:00PM Sep 22, 2014Observed: 4.25 ft at 12:15PM Sep 22, 2014Observed: 4.27 ft at 12:30PM Sep 22, 2014Observed: 4.27 ft at 12:45PM Sep 22, 2014Observed: 4.28 ft at 1:00PM Sep 22, 2014Observed: 4.31 ft at 1:15PM Sep 22, 2014Observed: 4.33 ft at 1:30PM Sep 22, 2014Observed: 4.35 ft at 1:45PM Sep 22, 2014Observed: 4.34 ft at 2:00PM Sep 22, 2014Observed: 4.36 ft at 2:15PM Sep 22, 2014Observed: 4.36 ft at 2:30PM Sep 22, 2014Observed: 4.36 ft at 2:45PM Sep 22, 2014Observed: 4.38 ft at 3:00PM Sep 22, 2014Observed: 4.37 ft at 3:15PM Sep 22, 2014Observed: 4.37 ft at 3:30PM Sep 22, 2014Observed: 4.37 ft at 3:45PM Sep 22, 2014Observed: 4.38 ft at 4:00PM Sep 22, 2014Observed: 4.39 ft at 4:15PM Sep 22, 2014Observed: 4.39 ft at 4:30PM Sep 22, 2014Observed: 4.38 ft at 4:45PM Sep 22, 2014Observed: 4.39 ft at 5:00PM Sep 22, 2014Observed: 4.38 ft at 5:15PM Sep 22, 2014Observed: 4.39 ft at 5:30PM Sep 22, 2014Observed: 4.38 ft at 5:45PM Sep 22, 2014Observed: 4.39 ft at 6:00PM Sep 22, 2014Observed: 4.38 ft at 6:15PM Sep 22, 2014Highest Observation: 4.4 ft at 6:30PM Sep 22, 2014Observed: 4.39 ft at 6:45PM Sep 22, 2014Forecast: 4.3 ft 8:00PM Sep 22, 2014Forecast: 4.3 ft 9:00PM Sep 22, 2014Forecast: 4.3 ft 10:00PM Sep 22, 2014Forecast: 4.3 ft 11:00PM Sep 22, 2014Forecast: 4.3 ft 12:00AM Sep 23, 2014Forecast: 4.3 ft 1:00AM Sep 23, 2014Forecast: 4.3 ft 2:00AM Sep 23, 2014Forecast: 4.3 ft 3:00AM Sep 23, 2014Forecast: 4.3 ft 4:00AM Sep 23, 2014Forecast: 4.3 ft 5:00AM Sep 23, 2014Forecast: 4.3 ft 6:00AM Sep 23, 2014Forecast: 4.3 ft 7:00AM Sep 23, 2014Forecast: 4.3 ft 8:00AM Sep 23, 2014Forecast: 4.3 ft 9:00AM Sep 23, 2014Forecast: 4.3 ft 10:00AM Sep 23, 2014Forecast: 4.3 ft 11:00AM Sep 23, 2014Forecast: 4.3 ft 12:00PM Sep 23, 2014Forecast: 4.3 ft 1:00PM Sep 23, 2014Forecast: 4.3 ft 2:00PM Sep 23, 2014Forecast: 4.3 ft 3:00PM Sep 23, 2014Forecast: 4.3 ft 4:00PM Sep 23, 2014Forecast: 4.3 ft 5:00PM Sep 23, 2014Forecast: 4.3 ft 6:00PM Sep 23, 2014Forecast: 4.3 ft 7:00PM Sep 23, 2014Forecast: 4.3 ft 8:00PM Sep 23, 2014Forecast: 4.3 ft 9:00PM Sep 23, 2014Forecast: 4.3 ft 10:00PM Sep 23, 2014Forecast: 4.3 ft 11:00PM Sep 23, 2014Forecast: 4.3 ft 12:00AM Sep 24, 2014Forecast: 4.3 ft 1:00AM Sep 24, 2014Forecast: 4.3 ft 2:00AM Sep 24, 2014Forecast: 4.3 ft 3:00AM Sep 24, 2014Forecast: 4.3 ft 4:00AM Sep 24, 2014Forecast: 4.3 ft 5:00AM Sep 24, 2014Forecast: 4.3 ft 6:00AM Sep 24, 2014Forecast: 4.3 ft 7:00AM Sep 24, 2014Forecast: 4.3 ft 8:00AM Sep 24, 2014Forecast: 4.3 ft 9:00AM Sep 24, 2014Forecast: 4.3 ft 10:00AM Sep 24, 2014Forecast: 4.3 ft 11:00AM Sep 24, 2014Forecast: 4.3 ft 12:00PM Sep 24, 2014Forecast: 4.3 ft 1:00PM Sep 24, 2014Forecast: 4.4 ft 2:00PM Sep 24, 2014Forecast: 4.4 ft 3:00PM Sep 24, 2014Forecast: 4.5 ft 4:00PM Sep 24, 2014Forecast: 4.5 ft 5:00PM Sep 24, 2014Forecast: 4.6 ft 6:00PM Sep 24, 2014Forecast: 4.7 ft 7:00PM Sep 24, 2014Forecast: 4.7 ft 8:00PM Sep 24, 2014Forecast: 4.8 ft 9:00PM Sep 24, 2014Forecast: 4.8 ft 10:00PM Sep 24, 2014Forecast: 4.9 ft 11:00PM Sep 24, 2014Forecast: 4.9 ft 12:00AM Sep 25, 2014Forecast: 5 ft 1:00AM Sep 25, 2014Forecast: 5 ft 2:00AM Sep 25, 2014Forecast: 5 ft 3:00AM Sep 25, 2014Forecast: 5 ft 4:00AM Sep 25, 2014Highest Forecast: 5.1 ft 5:00AM Sep 25, 2014Highest Forecast: 5.1 ft 6:00AM Sep 25, 2014Highest Forecast: 5.1 ft 7:00AM Sep 25, 2014Highest Forecast: 5.1 ft 8:00AM Sep 25, 2014Forecast: 5 ft 9:00AM Sep 25, 2014Forecast: 5 ft 10:00AM Sep 25, 2014Forecast: 5 ft 11:00AM Sep 25, 2014Forecast: 5 ft 12:00PM Sep 25, 2014Forecast: 4.9 ft 1:00PM Sep 25, 2014Forecast: 4.9 ft 2:00PM Sep 25, 2014Forecast: 4.9 ft 3:00PM Sep 25, 2014Forecast: 4.8 ft 4:00PM Sep 25, 2014Forecast: 4.8 ft 5:00PM Sep 25, 2014Forecast: 4.8 ft 6:00PM Sep 25, 2014Forecast: 4.8 ft 7:00PM Sep 25, 2014Forecast: 4.7 ft 8:00PM Sep 25, 2014Forecast: 4.7 ft 9:00PM Sep 25, 2014Forecast: 4.7 ft 10:00PM Sep 25, 2014Forecast: 4.7 ft 11:00PM Sep 25, 2014Forecast: 4.7 ft 12:00AM Sep 26, 2014Forecast: 4.7 ft 1:00AM Sep 26, 2014Forecast: 4.7 ft 2:00AM Sep 26, 2014Forecast: 4.7 ft 3:00AM Sep 26, 2014Forecast: 4.6 ft 4:00AM Sep 26, 2014Forecast: 4.6 ft 5:00AM Sep 26, 2014Forecast: 4.6 ft 6:00AM Sep 26, 2014Forecast: 4.6 ft 7:00AM Sep 26, 2014Forecast: 4.6 ft 8:00AM Sep 26, 2014Forecast: 4.6 ft 9:00AM Sep 26, 2014Forecast: 4.6 ft 10:00AM Sep 26, 2014Forecast: 4.6 ft 11:00AM Sep 26, 2014Forecast: 4.6 ft 12:00PM Sep 26, 2014Forecast: 4.6 ft 1:00PM Sep 26, 2014Forecast: 4.6 ft 2:00PM Sep 26, 2014Forecast: 4.6 ft 3:00PM Sep 26, 2014Forecast: 4.6 ft 4:00PM Sep 26, 2014Forecast: 4.6 ft 5:00PM Sep 26, 2014Forecast: 4.6 ft 6:00PM Sep 26, 2014Forecast: 4.6 ft 7:00PM Sep 26, 2014Forecast: 4.6 ft 8:00PM Sep 26, 2014Forecast: 4.6 ft 9:00PM Sep 26, 2014Forecast: 4.6 ft 10:00PM Sep 26, 2014Forecast: 4.6 ft 11:00PM Sep 26, 2014Forecast: 4.5 ft 12:00AM Sep 27, 2014Forecast: 4.5 ft 1:00AM Sep 27, 2014Forecast: 4.5 ft 2:00AM Sep 27, 2014Forecast: 4.5 ft 3:00AM Sep 27, 2014Forecast: 4.5 ft 4:00AM Sep 27, 2014Forecast: 4.5 ft 5:00AM Sep 27, 2014USGS--Water Resources of the United StatesARCC1(plotting HGIRG) Graph Created (7:16PM Sep 22, 2014)ObservedForecast (issued 7:33AM Sep 22)Latest observed value: 4.39 ft at 6:45 PM PDT 22-Sep-2014. Flood Stage is 22 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Mad River near Arcata are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage:28
Moderate Flood Stage:24
Flood Stage:22
Action Stage:15

Historical Crests
(1) 32.70 ft on 12/22/1964
(2) 28.43 ft on 12/22/1955
(3) 25.46 ft on 01/01/1997
(4) 25.40 ft on 03/02/1972
(5) 24.90 ft on 02/08/1960
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
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33 Expect disastrous 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 innundated and travel will be severly 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 and Highway 101 between Arcata and McKinleyville.
32 Expect disastrous 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 innundated and travel will be severly 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 and Highway 101 between Arcata and McKinleyville.
30 Expect extensive 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 the Arcata Bottoms...Hwy Highway 101 near near Janes Road...Janes Road and areas near Giuntoli Lane.
28 Severe flooding of all low lying areas near the river from Blue Lake downstream to the mouth is expected. Residents in these areas should be prepared to take appropriate action to protect lives and property. This includes residential areas of Tyee City and the Arcata Bottoms...Highway Highway 101 near Janes Road...areas near Giuntoli lane...and Mad River Beach Road.
26 Severe flooding along Mad River Beach Road and extensive flooding of farmlands and other roads in the area is expected. 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.
24 Expect extensive flooding along Mad River Beach Road and adjacent farmlands. Some homes along the river could be threatened. Flooding of roads to Tyee City. High tides and strong onshore winds worsen impacts.
23 Significant flooding of portions of Mad River Beach Road and adjacent farmlands is likely. May cause water to flow across roads to Tyee City. High tides and strong...onshore winds will aggravate flood impacts.
22 Significant flooding along portions of Mad River Beach Road is likely. Water may flow across roads to Tyee City. Flood impacts will be aggravated by high tides and strong...onshore winds.
21 Flooding of the Mad River Beach Road is likely. 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.
18 Expect minor flooding of Mad River Beach Road near Tyee City.
15 Minor flooding begins on the Mad River Beach Road near Tyee City.
10 NOTE: Historic crest stages listed are adjusted to reflect the difference between the previous and current datums. From 7/17/56 to 4/09/65...5.0 feet were added. From 4/09/65 to 8/10/92...2.0 feet were added.
About This Location Collapse

Latitude: 40.909722° N, Longitude: 124.059722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 22 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 10.79 ft 32.79 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
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Eureka Weather Forecast Office
300 Startare Drive
Eureka, CA 95501
(707) 443-6484
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Page last modified: 27-Aug-2014 7:09 PM
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