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Hydrograph River at a Glance Download
Black River at Black Rock Stage (ft)Flow (kcfs)Highest Observation: 13.19 ft at 11:30PM Apr 16, 2014Observed: 13.18 ft at 11:45PM Apr 16, 2014Observed: 13.17 ft at 12:00AM Apr 17, 2014Observed: 13.17 ft at 12:15AM Apr 17, 2014Observed: 13.17 ft at 12:30AM Apr 17, 2014Observed: 13.16 ft at 12:45AM Apr 17, 2014Observed: 13.14 ft at 1:00AM Apr 17, 2014Observed: 13.15 ft at 1:15AM Apr 17, 2014Observed: 13.13 ft at 1:30AM Apr 17, 2014Observed: 13.13 ft at 1:45AM Apr 17, 2014Observed: 13.12 ft at 2:00AM Apr 17, 2014Observed: 13.13 ft at 2:15AM Apr 17, 2014Observed: 13.12 ft at 2:30AM Apr 17, 2014Observed: 13.12 ft at 2:45AM Apr 17, 2014Observed: 13.09 ft at 3:00AM Apr 17, 2014Observed: 13.1 ft at 3:15AM Apr 17, 2014Observed: 13.08 ft at 3:30AM Apr 17, 2014Observed: 13.09 ft at 3:45AM Apr 17, 2014Observed: 13.08 ft at 4:00AM Apr 17, 2014Observed: 13.07 ft at 4:15AM Apr 17, 2014Observed: 13.07 ft at 4:30AM Apr 17, 2014Observed: 13.05 ft at 4:45AM Apr 17, 2014Observed: 13.06 ft at 5:00AM Apr 17, 2014Observed: 13.06 ft at 5:15AM Apr 17, 2014Observed: 13.04 ft at 5:30AM Apr 17, 2014Observed: 13.03 ft at 5:45AM Apr 17, 2014Observed: 13.03 ft at 6:00AM Apr 17, 2014Observed: 13.04 ft at 6:15AM Apr 17, 2014Observed: 13.02 ft at 6:30AM Apr 17, 2014Observed: 13.02 ft at 6:45AM Apr 17, 2014Observed: 13.02 ft at 7:00AM Apr 17, 2014Observed: 13 ft at 7:15AM Apr 17, 2014Observed: 13 ft at 7:30AM Apr 17, 2014Observed: 12.99 ft at 7:45AM Apr 17, 2014Observed: 12.99 ft at 8:00AM Apr 17, 2014Observed: 12.98 ft at 8:15AM Apr 17, 2014Observed: 12.99 ft at 8:30AM Apr 17, 2014Observed: 12.97 ft at 8:45AM Apr 17, 2014Observed: 12.95 ft at 9:00AM Apr 17, 2014Observed: 12.97 ft at 9:15AM Apr 17, 2014Observed: 12.94 ft at 9:30AM Apr 17, 2014Observed: 12.95 ft at 9:45AM Apr 17, 2014Observed: 12.92 ft at 10:00AM Apr 17, 2014Observed: 12.94 ft at 10:15AM Apr 17, 2014Observed: 12.92 ft at 10:30AM Apr 17, 2014Observed: 12.93 ft at 10:45AM Apr 17, 2014Observed: 12.91 ft at 11:00AM Apr 17, 2014Observed: 12.92 ft at 11:15AM Apr 17, 2014Observed: 12.9 ft at 11:30AM Apr 17, 2014Observed: 12.89 ft at 11:45AM Apr 17, 2014Observed: 12.89 ft at 12:00PM Apr 17, 2014Observed: 12.9 ft at 12:15PM Apr 17, 2014Observed: 12.89 ft at 12:30PM Apr 17, 2014Observed: 12.88 ft at 12:45PM Apr 17, 2014Observed: 12.88 ft at 1:00PM Apr 17, 2014Observed: 12.88 ft at 1:15PM Apr 17, 2014Observed: 12.86 ft at 1:30PM Apr 17, 2014Observed: 12.88 ft at 1:45PM Apr 17, 2014Observed: 12.87 ft at 2:00PM Apr 17, 2014Observed: 12.86 ft at 2:15PM Apr 17, 2014Observed: 12.84 ft at 2:30PM Apr 17, 2014Observed: 12.83 ft at 2:45PM Apr 17, 2014Observed: 12.85 ft at 3:00PM Apr 17, 2014Observed: 12.84 ft at 3:15PM Apr 17, 2014Observed: 12.83 ft at 3:30PM Apr 17, 2014Observed: 12.82 ft at 3:45PM Apr 17, 2014Observed: 12.82 ft at 4:00PM Apr 17, 2014Observed: 12.81 ft at 4:15PM Apr 17, 2014Observed: 12.81 ft at 4:30PM Apr 17, 2014Observed: 12.8 ft at 4:45PM Apr 17, 2014Observed: 12.79 ft at 5:00PM Apr 17, 2014Observed: 12.79 ft at 5:15PM Apr 17, 2014Observed: 12.79 ft at 5:30PM Apr 17, 2014Observed: 12.78 ft at 5:45PM Apr 17, 2014Observed: 12.76 ft at 6:00PM Apr 17, 2014Observed: 12.77 ft at 6:15PM Apr 17, 2014Observed: 12.76 ft at 6:30PM Apr 17, 2014Observed: 12.77 ft at 6:45PM Apr 17, 2014Observed: 12.75 ft at 7:00PM Apr 17, 2014Observed: 12.74 ft at 7:15PM Apr 17, 2014Observed: 12.75 ft at 7:30PM Apr 17, 2014Observed: 12.73 ft at 7:45PM Apr 17, 2014Observed: 12.73 ft at 8:00PM Apr 17, 2014Observed: 12.72 ft at 8:15PM Apr 17, 2014Observed: 12.73 ft at 8:30PM Apr 17, 2014Observed: 12.72 ft at 8:45PM Apr 17, 2014Observed: 12.72 ft at 9:00PM Apr 17, 2014Observed: 12.72 ft at 9:15PM Apr 17, 2014Observed: 12.7 ft at 9:30PM Apr 17, 2014Observed: 12.7 ft at 9:45PM Apr 17, 2014Observed: 12.69 ft at 10:00PM Apr 17, 2014Observed: 12.68 ft at 10:15PM Apr 17, 2014Observed: 12.66 ft at 10:30PM Apr 17, 2014Observed: 12.68 ft at 10:45PM Apr 17, 2014Observed: 12.67 ft at 11:00PM Apr 17, 2014Observed: 12.66 ft at 11:15PM Apr 17, 2014Observed: 12.65 ft at 11:30PM Apr 17, 2014Observed: 12.65 ft at 11:45PM Apr 17, 2014Observed: 12.65 ft at 12:00AM Apr 18, 2014Observed: 12.62 ft at 12:15AM Apr 18, 2014Observed: 12.63 ft at 12:30AM Apr 18, 2014Observed: 12.65 ft at 12:45AM Apr 18, 2014Observed: 12.61 ft at 1:00AM Apr 18, 2014Observed: 12.61 ft at 1:15AM Apr 18, 2014Observed: 12.61 ft at 1:30AM Apr 18, 2014Observed: 12.6 ft at 1:45AM Apr 18, 2014Observed: 12.59 ft at 2:00AM Apr 18, 2014Observed: 12.6 ft at 2:15AM Apr 18, 2014Observed: 12.59 ft at 2:30AM Apr 18, 2014Observed: 12.59 ft at 2:45AM Apr 18, 2014Observed: 12.56 ft at 3:00AM Apr 18, 2014Observed: 12.57 ft at 3:15AM Apr 18, 2014Observed: 12.57 ft at 3:30AM Apr 18, 2014Observed: 12.55 ft at 3:45AM Apr 18, 2014Observed: 12.55 ft at 4:00AM Apr 18, 2014Observed: 12.52 ft at 4:15AM Apr 18, 2014Observed: 12.53 ft at 4:30AM Apr 18, 2014Observed: 12.53 ft at 4:45AM Apr 18, 2014Observed: 12.52 ft at 5:00AM Apr 18, 2014Observed: 12.52 ft at 5:15AM Apr 18, 2014Observed: 12.51 ft at 5:30AM Apr 18, 2014Observed: 12.5 ft at 5:45AM Apr 18, 2014Observed: 12.5 ft at 6:00AM Apr 18, 2014Observed: 12.49 ft at 6:15AM Apr 18, 2014Observed: 12.48 ft at 6:30AM Apr 18, 2014Observed: 12.49 ft at 6:45AM Apr 18, 2014Observed: 12.48 ft at 7:00AM Apr 18, 2014Observed: 12.47 ft at 7:15AM Apr 18, 2014Observed: 12.46 ft at 7:30AM Apr 18, 2014Observed: 12.44 ft at 7:45AM Apr 18, 2014Observed: 12.43 ft at 8:00AM Apr 18, 2014Observed: 12.44 ft at 8:15AM Apr 18, 2014Observed: 12.43 ft at 8:30AM Apr 18, 2014Observed: 12.42 ft at 8:45AM Apr 18, 2014Observed: 12.43 ft at 9:00AM Apr 18, 2014Observed: 12.42 ft at 9:15AM Apr 18, 2014Observed: 12.39 ft at 9:30AM Apr 18, 2014Observed: 12.39 ft at 9:45AM Apr 18, 2014Observed: 12.38 ft at 10:00AM Apr 18, 2014Observed: 12.37 ft at 10:15AM Apr 18, 2014Observed: 12.38 ft at 10:30AM Apr 18, 2014Observed: 12.36 ft at 10:45AM Apr 18, 2014Observed: 12.35 ft at 11:00AM Apr 18, 2014Observed: 12.34 ft at 11:15AM Apr 18, 2014Observed: 12.34 ft at 11:30AM Apr 18, 2014Observed: 12.34 ft at 11:45AM Apr 18, 2014Observed: 12.32 ft at 12:00PM Apr 18, 2014Observed: 12.33 ft at 12:15PM Apr 18, 2014Observed: 12.33 ft at 12:30PM Apr 18, 2014Observed: 12.31 ft at 12:45PM Apr 18, 2014Observed: 12.3 ft at 1:00PM Apr 18, 2014Observed: 12.29 ft at 1:15PM Apr 18, 2014Observed: 12.29 ft at 1:30PM Apr 18, 2014Observed: 12.3 ft at 1:45PM Apr 18, 2014Observed: 12.27 ft at 2:00PM Apr 18, 2014Observed: 12.26 ft at 2:15PM Apr 18, 2014Observed: 12.25 ft at 2:30PM Apr 18, 2014Observed: 12.26 ft at 2:45PM Apr 18, 2014Observed: 12.24 ft at 3:00PM Apr 18, 2014Observed: 12.24 ft at 3:15PM Apr 18, 2014Observed: 12.23 ft at 3:30PM Apr 18, 2014Observed: 12.22 ft at 3:45PM Apr 18, 2014Observed: 12.21 ft at 4:00PM Apr 18, 2014Observed: 12.2 ft at 4:15PM Apr 18, 2014Observed: 12.19 ft at 4:30PM Apr 18, 2014Observed: 12.19 ft at 4:45PM Apr 18, 2014Observed: 12.19 ft at 5:00PM Apr 18, 2014Observed: 12.18 ft at 5:15PM Apr 18, 2014Observed: 12.16 ft at 5:30PM Apr 18, 2014Observed: 12.17 ft at 5:45PM Apr 18, 2014Observed: 12.15 ft at 6:00PM Apr 18, 2014Observed: 12.15 ft at 6:15PM Apr 18, 2014Observed: 12.14 ft at 6:30PM Apr 18, 2014Observed: 12.12 ft at 6:45PM Apr 18, 2014Observed: 12.13 ft at 7:00PM Apr 18, 2014Observed: 12.12 ft at 7:15PM Apr 18, 2014Observed: 12.11 ft at 7:30PM Apr 18, 2014Observed: 12.11 ft at 7:45PM Apr 18, 2014Observed: 12.1 ft at 8:00PM Apr 18, 2014Observed: 12.09 ft at 8:15PM Apr 18, 2014Observed: 12.08 ft at 8:30PM Apr 18, 2014Observed: 12.08 ft at 8:45PM Apr 18, 2014Observed: 12.06 ft at 9:00PM Apr 18, 2014Observed: 12.07 ft at 9:15PM Apr 18, 2014Observed: 12.04 ft at 9:30PM Apr 18, 2014Observed: 12.05 ft at 9:45PM Apr 18, 2014Observed: 12.03 ft at 10:00PM Apr 18, 2014Observed: 12.03 ft at 10:15PM Apr 18, 2014Observed: 12.01 ft at 10:30PM Apr 18, 2014Observed: 12.01 ft at 10:45PM Apr 18, 2014Observed: 12 ft at 11:00PM Apr 18, 2014Observed: 11.99 ft at 11:15PM Apr 18, 2014Observed: 11.98 ft at 11:30PM Apr 18, 2014Observed: 11.98 ft at 11:45PM Apr 18, 2014Observed: 11.97 ft at 12:00AM Apr 19, 2014Observed: 11.95 ft at 12:15AM Apr 19, 2014Observed: 11.95 ft at 12:30AM Apr 19, 2014Observed: 11.93 ft at 12:45AM Apr 19, 2014Observed: 11.95 ft at 1:00AM Apr 19, 2014Observed: 11.92 ft at 1:15AM Apr 19, 2014Observed: 11.92 ft at 1:30AM Apr 19, 2014Observed: 11.9 ft at 1:45AM Apr 19, 2014Observed: 11.9 ft at 2:00AM Apr 19, 2014Observed: 11.89 ft at 2:15AM Apr 19, 2014Observed: 11.89 ft at 2:30AM Apr 19, 2014Observed: 11.88 ft at 2:45AM Apr 19, 2014Observed: 11.87 ft at 3:00AM Apr 19, 2014Observed: 11.85 ft at 3:15AM Apr 19, 2014Observed: 11.85 ft at 3:30AM Apr 19, 2014Observed: 11.85 ft at 3:45AM Apr 19, 2014Observed: 11.83 ft at 4:00AM Apr 19, 2014Observed: 11.83 ft at 4:15AM Apr 19, 2014Observed: 11.83 ft at 4:30AM Apr 19, 2014Observed: 11.81 ft at 4:45AM Apr 19, 2014Observed: 11.81 ft at 5:00AM Apr 19, 2014Observed: 11.79 ft at 5:15AM Apr 19, 2014Observed: 11.79 ft at 5:30AM Apr 19, 2014Observed: 11.78 ft at 5:45AM Apr 19, 2014Observed: 11.76 ft at 6:00AM Apr 19, 2014Observed: 11.75 ft at 6:15AM Apr 19, 2014Observed: 11.75 ft at 6:30AM Apr 19, 2014Observed: 11.74 ft at 6:45AM Apr 19, 2014Observed: 11.72 ft at 7:00AM Apr 19, 2014Observed: 11.72 ft at 7:15AM Apr 19, 2014Observed: 11.71 ft at 7:30AM Apr 19, 2014Observed: 11.69 ft at 7:45AM Apr 19, 2014Observed: 11.69 ft at 8:00AM Apr 19, 2014Observed: 11.68 ft at 8:15AM Apr 19, 2014Observed: 11.67 ft at 8:30AM Apr 19, 2014Observed: 11.67 ft at 8:45AM Apr 19, 2014Observed: 11.65 ft at 9:00AM Apr 19, 2014Observed: 11.65 ft at 9:15AM Apr 19, 2014Observed: 11.64 ft at 9:30AM Apr 19, 2014Observed: 11.63 ft at 9:45AM Apr 19, 2014Observed: 11.61 ft at 10:00AM Apr 19, 2014Observed: 11.6 ft at 10:15AM Apr 19, 2014Observed: 11.59 ft at 10:30AM Apr 19, 2014Observed: 11.6 ft at 10:45AM Apr 19, 2014Observed: 11.57 ft at 11:00AM Apr 19, 2014Observed: 11.58 ft at 11:15AM Apr 19, 2014Observed: 11.55 ft at 11:30AM Apr 19, 2014Observed: 11.54 ft at 11:45AM Apr 19, 2014Observed: 11.54 ft at 12:00PM Apr 19, 2014Observed: 11.54 ft at 12:15PM Apr 19, 2014Observed: 11.52 ft at 12:30PM Apr 19, 2014Observed: 11.51 ft at 12:45PM Apr 19, 2014Observed: 11.5 ft at 1:00PM Apr 19, 2014Observed: 11.49 ft at 1:15PM Apr 19, 2014Observed: 11.49 ft at 1:30PM Apr 19, 2014Observed: 11.49 ft at 1:45PM Apr 19, 2014Observed: 11.46 ft at 2:00PM Apr 19, 2014Observed: 11.46 ft at 2:15PM Apr 19, 2014Observed: 11.45 ft at 2:30PM Apr 19, 2014Observed: 11.43 ft at 2:45PM Apr 19, 2014Observed: 11.43 ft at 3:00PM Apr 19, 2014Observed: 11.41 ft at 3:15PM Apr 19, 2014Observed: 11.41 ft at 3:30PM Apr 19, 2014Observed: 11.4 ft at 3:45PM Apr 19, 2014Observed: 11.4 ft at 4:00PM Apr 19, 2014Observed: 11.4 ft at 4:15PM Apr 19, 2014Observed: 11.37 ft at 4:30PM Apr 19, 2014Observed: 11.37 ft at 4:45PM Apr 19, 2014Observed: 11.36 ft at 5:00PM Apr 19, 2014Observed: 11.34 ft at 5:15PM Apr 19, 2014Observed: 11.34 ft at 5:30PM Apr 19, 2014Observed: 11.33 ft at 5:45PM Apr 19, 2014Observed: 11.31 ft at 6:00PM Apr 19, 2014Observed: 11.31 ft at 6:15PM Apr 19, 2014Observed: 11.31 ft at 6:30PM Apr 19, 2014Observed: 11.3 ft at 6:45PM Apr 19, 2014Observed: 11.3 ft at 7:00PM Apr 19, 2014Observed: 11.28 ft at 7:15PM Apr 19, 2014Observed: 11.27 ft at 7:30PM Apr 19, 2014Observed: 11.26 ft at 7:45PM Apr 19, 2014Observed: 11.26 ft at 8:00PM Apr 19, 2014Observed: 11.23 ft at 8:15PM Apr 19, 2014Observed: 11.24 ft at 8:30PM Apr 19, 2014Observed: 11.24 ft at 8:45PM Apr 19, 2014Observed: 11.22 ft at 9:00PM Apr 19, 2014Observed: 11.22 ft at 9:15PM Apr 19, 2014Observed: 11.2 ft at 9:30PM Apr 19, 2014Observed: 11.19 ft at 9:45PM Apr 19, 2014Observed: 11.19 ft at 10:00PM Apr 19, 2014Observed: 11.19 ft at 10:15PM Apr 19, 2014Observed: 11.17 ft at 10:30PM Apr 19, 2014Observed: 11.17 ft at 10:45PM Apr 19, 2014Observed: 11.16 ft at 11:00PM Apr 19, 2014Observed: 11.15 ft at 11:15PM Apr 19, 2014Observed: 11.14 ft at 11:30PM Apr 19, 2014Observed: 11.12 ft at 11:45PM Apr 19, 2014Observed: 11.12 ft at 12:00AM Apr 20, 2014Observed: 11.11 ft at 12:15AM Apr 20, 2014Observed: 11.1 ft at 12:30AM Apr 20, 2014Observed: 11.08 ft at 12:45AM Apr 20, 2014Observed: 11.09 ft at 1:00AM Apr 20, 2014Observed: 11.08 ft at 1:15AM Apr 20, 2014Observed: 11.08 ft at 1:30AM Apr 20, 2014Observed: 11.07 ft at 1:45AM Apr 20, 2014Observed: 11.05 ft at 2:00AM Apr 20, 2014Observed: 11.03 ft at 2:15AM Apr 20, 2014Observed: 11.04 ft at 2:30AM Apr 20, 2014Observed: 11.03 ft at 2:45AM Apr 20, 2014Observed: 11.02 ft at 3:00AM Apr 20, 2014Observed: 11.01 ft at 3:15AM Apr 20, 2014Observed: 10.99 ft at 3:30AM Apr 20, 2014Observed: 10.98 ft at 3:45AM Apr 20, 2014Observed: 10.99 ft at 4:00AM Apr 20, 2014Observed: 10.97 ft at 4:15AM Apr 20, 2014Observed: 10.97 ft at 4:30AM Apr 20, 2014Observed: 10.97 ft at 4:45AM Apr 20, 2014Observed: 10.95 ft at 5:00AM Apr 20, 2014Observed: 10.94 ft at 5:15AM Apr 20, 2014Observed: 10.93 ft at 5:30AM Apr 20, 2014Observed: 10.93 ft at 5:45AM Apr 20, 2014Observed: 10.92 ft at 6:00AM Apr 20, 2014Observed: 10.91 ft at 6:15AM Apr 20, 2014Observed: 10.9 ft at 6:30AM Apr 20, 2014Observed: 10.89 ft at 6:45AM Apr 20, 2014Observed: 10.88 ft at 7:00AM Apr 20, 2014Observed: 10.86 ft at 7:15AM Apr 20, 2014Observed: 10.87 ft at 7:30AM Apr 20, 2014Observed: 10.86 ft at 7:45AM Apr 20, 2014Observed: 10.84 ft at 8:00AM Apr 20, 2014Observed: 10.84 ft at 8:15AM Apr 20, 2014Observed: 10.84 ft at 8:30AM Apr 20, 2014Observed: 10.82 ft at 8:45AM Apr 20, 2014Observed: 10.82 ft at 9:00AM Apr 20, 2014Observed: 10.81 ft at 9:15AM Apr 20, 2014Observed: 10.8 ft at 9:30AM Apr 20, 2014Observed: 10.79 ft at 9:45AM Apr 20, 2014Observed: 10.77 ft at 10:00AM Apr 20, 2014Observed: 10.76 ft at 10:15AM Apr 20, 2014Observed: 10.77 ft at 10:30AM Apr 20, 2014Observed: 10.75 ft at 10:45AM Apr 20, 2014Observed: 10.74 ft at 11:00AM Apr 20, 2014Observed: 10.74 ft at 11:15AM Apr 20, 2014Observed: 10.72 ft at 11:30AM Apr 20, 2014Observed: 10.73 ft at 11:45AM Apr 20, 2014Observed: 10.72 ft at 12:00PM Apr 20, 2014Observed: 10.7 ft at 12:15PM Apr 20, 2014Observed: 10.7 ft at 12:30PM Apr 20, 2014Observed: 10.69 ft at 12:45PM Apr 20, 2014Observed: 10.68 ft at 1:00PM Apr 20, 2014Observed: 10.68 ft at 1:15PM Apr 20, 2014Observed: 10.68 ft at 1:30PM Apr 20, 2014Observed: 10.67 ft at 1:45PM Apr 20, 2014Observed: 10.66 ft at 2:00PM Apr 20, 2014Observed: 10.65 ft at 2:15PM Apr 20, 2014Observed: 10.65 ft at 2:30PM Apr 20, 2014Observed: 10.63 ft at 2:45PM Apr 20, 2014Observed: 10.62 ft at 3:00PM Apr 20, 2014Observed: 10.6 ft at 3:15PM Apr 20, 2014Observed: 10.61 ft at 3:30PM Apr 20, 2014Observed: 10.59 ft at 3:45PM Apr 20, 2014Observed: 10.6 ft at 4:00PM Apr 20, 2014Observed: 10.58 ft at 4:15PM Apr 20, 2014Observed: 10.58 ft at 4:30PM Apr 20, 2014Observed: 10.58 ft at 4:45PM Apr 20, 2014Observed: 10.55 ft at 5:00PM Apr 20, 2014Observed: 10.55 ft at 5:15PM Apr 20, 2014Observed: 10.55 ft at 5:30PM Apr 20, 2014Observed: 10.54 ft at 5:45PM Apr 20, 2014Observed: 10.54 ft at 6:00PM Apr 20, 2014Observed: 10.53 ft at 6:15PM Apr 20, 2014Observed: 10.52 ft at 6:30PM Apr 20, 2014Observed: 10.52 ft at 6:45PM Apr 20, 2014Observed: 10.5 ft at 7:00PM Apr 20, 2014Observed: 10.5 ft at 7:15PM Apr 20, 2014Observed: 10.49 ft at 7:30PM Apr 20, 2014Observed: 10.48 ft at 7:45PM Apr 20, 2014Observed: 10.47 ft at 8:00PM Apr 20, 2014Observed: 10.48 ft at 8:15PM Apr 20, 2014Observed: 10.46 ft at 8:30PM Apr 20, 2014Observed: 10.46 ft at 8:45PM Apr 20, 2014Observed: 10.45 ft at 9:00PM Apr 20, 2014Observed: 10.44 ft at 9:15PM Apr 20, 2014Observed: 10.43 ft at 9:30PM Apr 20, 2014Observed: 10.43 ft at 9:45PM Apr 20, 2014Observed: 10.42 ft at 10:00PM Apr 20, 2014Highest Forecast: 10.2 ft 1:00AM Apr 21, 2014Forecast: 10.1 ft 7:00AM Apr 21, 2014Forecast: 9.9 ft 1:00PM Apr 21, 2014Forecast: 9.8 ft 7:00PM Apr 21, 2014Forecast: 9.7 ft 1:00AM Apr 22, 2014Forecast: 9.5 ft 7:00AM Apr 22, 2014Forecast: 9.4 ft 1:00PM Apr 22, 2014Forecast: 9.4 ft 7:00PM Apr 22, 2014Forecast: 9.2 ft 1:00AM Apr 23, 2014Forecast: 9.2 ft 7:00AM Apr 23, 2014Forecast: 9.1 ft 1:00PM Apr 23, 2014Forecast: 9 ft 7:00PM Apr 23, 2014Forecast: 8.9 ft 1:00AM Apr 24, 2014Forecast: 8.8 ft 7:00AM Apr 24, 2014Forecast: 8.6 ft 1:00PM Apr 24, 2014Forecast: 8.5 ft 7:00PM Apr 24, 2014Forecast: 8.4 ft 1:00AM Apr 25, 2014Forecast: 8.3 ft 7:00AM Apr 25, 2014USGS--Water Resources of the United StatesBKRA4(plotting HGIRG) Graph Created (11:20PM Apr 20, 2014)ObservedForecast (issued 8:18AM Apr 20)Latest observed value: 10.42 ft at 10:00 PM CDT 20-Apr-2014. Flood Stage is 14 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Black River at Black Rock are issued routinely year-round.
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Upstream Gauge - at Pocahontas Upstream Gauge
Flood Categories (in feet)
Major Flood Stage:28
Moderate Flood Stage:25
Flood Stage:14
Action Stage:12

Historical Crests
(1) 31.90 ft on 08/21/1915
(2) 31.51 ft on 12/04/1982
(3) 30.45 ft on 04/27/2011
(4) 30.30 ft on 04/15/1927
(5) 29.74 ft on 03/20/2008
(6) 29.24 ft on 04/24/1973
(7) 28.61 ft on 04/12/2008
(8) 28.50 ft on 01/25/1949
(9) 28.10 ft on 03/29/1977
(10) 28.00 ft on 05/08/1961
Show More Historical Crests

Low Water Records
(1) 0.20 ft on 12/09/1954
(2) 0.30 ft on 11/10/1956
Show More Low Water Records
Zoom Level: 16
Gauge Location
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
If you notice any errors in the below information, please contact our Webmaster
32 THE CREST OF RECORD IS 31.9 FEET WHICH OCCURRED ON AUGUST 21...1915. HEAVY RAINFALL WAS DUE TO A HURRICANE WHICH MADE LANDFALL NEAR GALVESTON TEXAS...AND MOVED ACROSS ARKANSAS.
31.5 THIS IS AN EXTREMELY SERIOUS SITUATION...RESIDENTIAL AREAS OF BLACK ROCK...PORTIA...AND POWHATAN MAY BE FLOODED. FLOOD CREST OF DECEMBER 1982 WAS 31.51 FEET...THE SECOND HIGHEST CREST OF RECORD. MAJOR FLOOD DAMAGES TO ROADS...BRIDGES...AND HOMES ALONG THE RIVER IN LAWRENCE...JACKSON...AND INDEPENDENCE COUNTIES. RIVER IS VERY DANGEROUS AT THIS LEVEL. STATE HIGHWAYS 25...37...AND 69 WILL BE FLOODED. STAY AWAY FROM THE EDGES OF HIGH BANKS ALONG THE RIVER...BANK CAVING IS POSSIBLE.
28.5 HIGHWAY 412 BETWEEN HIGHWAY 63 AND WALNUT RIDGE BECOMES INUNDATED BY FLOOD WATERS.
28 MAJOR FLOODING OCCURRING AT OR ABOVE 28 FEET. PORTIONS OF BLACK ROCK AND POWHATAN COURTHOUSE STATE PARK FLOODS. JACKSONPORT STATE PARK RIVERSIDE OF LEVEE FLOODS. STATE HIGHWAYS 25...37...AND 69 WILL FLOOD. 40 THOUSAND ACRES OF CROPLAND FLOODED IN LAWRENCE...JACKSON...AND INDEPENDENCE COUNTIES. FLOOD CRESTS AT BLACK ROCK...28.6 FEET IN APRIL 2008...29.7 FEET IN MARCH 2008...AND 30.45 FEET IN APRIL 2011.
25 STATE HIGHWAY 37 WILL PROBABLY FLOOD ON WEST SIDE OF BLACK RIVER. STATE HIGHWAY 25 SOUTH OF BLACK ROCK AND STATE HIGHWAY 69 NEAR JACKSONPORT MAY BE PARTIALLY FLOODED. WATER WILL BE IN PORTIONS OF POWHATAN STATE PARK. EXTENSIVE CROPLAND FLOODING...FLOODING CLASSIFIED AS MODERATE.
24 THOUSANDS OF ACRES OF CROPLAND AND PASTURES FLOODED. STATE HIGHWAY 37 IN INDEPENDENCE COUNTY EAST OF CORD MAY BE FLOODED. WATER RISES INTO LOW LYING STREETS IN POWHATAN. BALL PARK AND BOAT RAMP AREA IN BLACK ROCK FLOODS.
20 AGRICULTURAL LAND IS FLOODING ALONG BOTH BANKS OF THE RIVER IN LAWRENCE...INDEPENDENCE...AND JACKSON COUNTIES. MINOR FLOODING IN POWHATAN COMMUNITY AND COURTHOUSE STATE PARK.
17 LOW LYING CULTIVATED LAND AND PASTURES IN LAWRENCE...JACKSON...AND INDEPENDENCE COUNTIES FLOOD.
14 MINOR FLOODING BEGINS. FARM GROUND ALONG EAST BANK BEGINS TO FLOOD.
About This Location Collapse

Latitude: 36.102500° N, Longitude: 91.097778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 14 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 29 229.56 ft 243.56 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
National Weather Service
Little Rock Weather Forecast Office
8400 Remount Road
North Little Rock, AR 72118
(501) 834-0308
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Page last modified: 8-Apr-2014 7:35 AM
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