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Hydrograph River at a Glance Download
Greenbrier River at Alderson Stage (ft)Flow (kcfs)Highest Observation: 3.9 ft at 6:30AM May 07, 2021Highest Observation: 3.9 ft at 6:45AM May 07, 2021Highest Observation: 3.9 ft at 7:00AM May 07, 2021Observed: 3.89 ft at 7:15AM May 07, 2021Observed: 3.89 ft at 7:30AM May 07, 2021Observed: 3.89 ft at 7:45AM May 07, 2021Observed: 3.89 ft at 8:00AM May 07, 2021Observed: 3.89 ft at 8:15AM May 07, 2021Observed: 3.89 ft at 8:30AM May 07, 2021Observed: 3.88 ft at 8:45AM May 07, 2021Observed: 3.88 ft at 9:00AM May 07, 2021Observed: 3.88 ft at 9:15AM May 07, 2021Observed: 3.88 ft at 9:30AM May 07, 2021Observed: 3.88 ft at 9:45AM May 07, 2021Observed: 3.88 ft at 10:00AM May 07, 2021Observed: 3.88 ft at 10:15AM May 07, 2021Observed: 3.87 ft at 10:30AM May 07, 2021Observed: 3.87 ft at 10:45AM May 07, 2021Observed: 3.87 ft at 11:00AM May 07, 2021Observed: 3.87 ft at 11:15AM May 07, 2021Observed: 3.87 ft at 11:30AM May 07, 2021Observed: 3.86 ft at 11:45AM May 07, 2021Observed: 3.86 ft at 12:00PM May 07, 2021Observed: 3.86 ft at 12:15PM May 07, 2021Observed: 3.86 ft at 12:30PM May 07, 2021Observed: 3.86 ft at 12:45PM May 07, 2021Observed: 3.86 ft at 1:00PM May 07, 2021Observed: 3.86 ft at 1:15PM May 07, 2021Observed: 3.86 ft at 1:30PM May 07, 2021Observed: 3.85 ft at 1:45PM May 07, 2021Observed: 3.85 ft at 2:00PM May 07, 2021Observed: 3.85 ft at 2:15PM May 07, 2021Observed: 3.85 ft at 2:30PM May 07, 2021Observed: 3.85 ft at 2:45PM May 07, 2021Observed: 3.85 ft at 3:00PM May 07, 2021Observed: 3.85 ft at 3:15PM May 07, 2021Observed: 3.84 ft at 3:30PM May 07, 2021Observed: 3.84 ft at 3:45PM May 07, 2021Observed: 3.84 ft at 4:00PM May 07, 2021Observed: 3.84 ft at 4:15PM May 07, 2021Observed: 3.84 ft at 4:30PM May 07, 2021Observed: 3.84 ft at 4:45PM May 07, 2021Observed: 3.84 ft at 5:00PM May 07, 2021Observed: 3.84 ft at 5:15PM May 07, 2021Observed: 3.84 ft at 5:30PM May 07, 2021Observed: 3.83 ft at 5:45PM May 07, 2021Observed: 3.83 ft at 6:00PM May 07, 2021Observed: 3.83 ft at 6:15PM May 07, 2021Observed: 3.83 ft at 6:30PM May 07, 2021Observed: 3.83 ft at 6:45PM May 07, 2021Observed: 3.83 ft at 7:00PM May 07, 2021Observed: 3.82 ft at 7:15PM May 07, 2021Observed: 3.82 ft at 7:30PM May 07, 2021Observed: 3.82 ft at 7:45PM May 07, 2021Observed: 3.82 ft at 8:00PM May 07, 2021Observed: 3.82 ft at 8:15PM May 07, 2021Observed: 3.82 ft at 8:30PM May 07, 2021Observed: 3.82 ft at 8:45PM May 07, 2021Observed: 3.81 ft at 9:00PM May 07, 2021Observed: 3.81 ft at 9:15PM May 07, 2021Observed: 3.81 ft at 9:30PM May 07, 2021Observed: 3.81 ft at 9:45PM May 07, 2021Observed: 3.81 ft at 10:00PM May 07, 2021Observed: 3.81 ft at 10:15PM May 07, 2021Observed: 3.81 ft at 10:30PM May 07, 2021Observed: 3.8 ft at 10:45PM May 07, 2021Observed: 3.8 ft at 11:00PM May 07, 2021Observed: 3.8 ft at 11:15PM May 07, 2021Observed: 3.8 ft at 11:30PM May 07, 2021Observed: 3.8 ft at 11:45PM May 07, 2021Observed: 3.8 ft at 12:00AM May 08, 2021Observed: 3.79 ft at 12:15AM May 08, 2021Observed: 3.79 ft at 12:30AM May 08, 2021Observed: 3.79 ft at 12:45AM May 08, 2021Observed: 3.79 ft at 1:00AM May 08, 2021Observed: 3.79 ft at 1:15AM May 08, 2021Observed: 3.79 ft at 1:30AM May 08, 2021Observed: 3.79 ft at 1:45AM May 08, 2021Observed: 3.78 ft at 2:00AM May 08, 2021Observed: 3.78 ft at 2:15AM May 08, 2021Observed: 3.78 ft at 2:30AM May 08, 2021Observed: 3.78 ft at 2:45AM May 08, 2021Observed: 3.78 ft at 3:00AM May 08, 2021Observed: 3.78 ft at 3:15AM May 08, 2021Observed: 3.78 ft at 3:30AM May 08, 2021Observed: 3.78 ft at 3:45AM May 08, 2021Observed: 3.78 ft at 4:00AM May 08, 2021Observed: 3.78 ft at 4:15AM May 08, 2021Observed: 3.78 ft at 4:30AM May 08, 2021Observed: 3.78 ft at 4:45AM May 08, 2021Observed: 3.78 ft at 5:00AM May 08, 2021Observed: 3.77 ft at 5:15AM May 08, 2021Observed: 3.77 ft at 5:30AM May 08, 2021Observed: 3.77 ft at 5:45AM May 08, 2021Observed: 3.77 ft at 6:00AM May 08, 2021Observed: 3.77 ft at 6:15AM May 08, 2021Observed: 3.77 ft at 6:30AM May 08, 2021Observed: 3.77 ft at 6:45AM May 08, 2021Observed: 3.77 ft at 7:00AM May 08, 2021Observed: 3.77 ft at 7:15AM May 08, 2021Observed: 3.77 ft at 7:30AM May 08, 2021Observed: 3.77 ft at 7:45AM May 08, 2021Observed: 3.76 ft at 8:00AM May 08, 2021Observed: 3.76 ft at 8:15AM May 08, 2021Observed: 3.76 ft at 8:30AM May 08, 2021Observed: 3.76 ft at 8:45AM May 08, 2021Observed: 3.76 ft at 9:00AM May 08, 2021Observed: 3.76 ft at 9:15AM May 08, 2021Observed: 3.76 ft at 9:30AM May 08, 2021Observed: 3.76 ft at 9:45AM May 08, 2021Observed: 3.76 ft at 10:00AM May 08, 2021Observed: 3.75 ft at 10:15AM May 08, 2021Observed: 3.75 ft at 10:30AM May 08, 2021Observed: 3.75 ft at 10:45AM May 08, 2021Observed: 3.75 ft at 11:00AM May 08, 2021Observed: 3.75 ft at 11:15AM May 08, 2021Observed: 3.75 ft at 11:30AM May 08, 2021Observed: 3.74 ft at 11:45AM May 08, 2021Observed: 3.74 ft at 12:00PM May 08, 2021Observed: 3.74 ft at 12:15PM May 08, 2021Observed: 3.74 ft at 12:30PM May 08, 2021Observed: 3.74 ft at 12:45PM May 08, 2021Observed: 3.74 ft at 1:00PM May 08, 2021Observed: 3.74 ft at 1:15PM May 08, 2021Observed: 3.74 ft at 1:30PM May 08, 2021Observed: 3.73 ft at 1:45PM May 08, 2021Observed: 3.73 ft at 2:00PM May 08, 2021Observed: 3.73 ft at 2:15PM May 08, 2021Observed: 3.73 ft at 2:30PM May 08, 2021Observed: 3.73 ft at 2:45PM May 08, 2021Observed: 3.73 ft at 3:00PM May 08, 2021Observed: 3.73 ft at 3:15PM May 08, 2021Observed: 3.73 ft at 3:30PM May 08, 2021Observed: 3.72 ft at 3:45PM May 08, 2021Observed: 3.72 ft at 4:00PM May 08, 2021Observed: 3.72 ft at 4:15PM May 08, 2021Observed: 3.72 ft at 4:30PM May 08, 2021Observed: 3.72 ft at 4:45PM May 08, 2021Observed: 3.72 ft at 5:00PM May 08, 2021Observed: 3.72 ft at 5:15PM May 08, 2021Observed: 3.72 ft at 5:30PM May 08, 2021Observed: 3.72 ft at 5:45PM May 08, 2021Observed: 3.72 ft at 6:00PM May 08, 2021Observed: 3.72 ft at 6:15PM May 08, 2021Observed: 3.72 ft at 6:30PM May 08, 2021Observed: 3.72 ft at 6:45PM May 08, 2021Observed: 3.71 ft at 7:00PM May 08, 2021Observed: 3.71 ft at 7:15PM May 08, 2021Observed: 3.71 ft at 7:30PM May 08, 2021Observed: 3.71 ft at 7:45PM May 08, 2021Observed: 3.71 ft at 8:00PM May 08, 2021Observed: 3.71 ft at 8:15PM May 08, 2021Observed: 3.7 ft at 8:30PM May 08, 2021Observed: 3.7 ft at 8:45PM May 08, 2021Observed: 3.7 ft at 9:00PM May 08, 2021Observed: 3.7 ft at 9:15PM May 08, 2021Observed: 3.7 ft at 9:30PM May 08, 2021Observed: 3.7 ft at 9:45PM May 08, 2021Observed: 3.7 ft at 10:00PM May 08, 2021Observed: 3.7 ft at 10:15PM May 08, 2021Observed: 3.7 ft at 10:30PM May 08, 2021Observed: 3.7 ft at 10:45PM May 08, 2021Observed: 3.7 ft at 11:00PM May 08, 2021Observed: 3.7 ft at 11:15PM May 08, 2021Observed: 3.7 ft at 11:30PM May 08, 2021Observed: 3.69 ft at 11:45PM May 08, 2021Observed: 3.69 ft at 12:00AM May 09, 2021Observed: 3.69 ft at 12:15AM May 09, 2021Observed: 3.69 ft at 12:30AM May 09, 2021Observed: 3.69 ft at 12:45AM May 09, 2021Observed: 3.68 ft at 1:00AM May 09, 2021Observed: 3.68 ft at 1:15AM May 09, 2021Observed: 3.68 ft at 1:30AM May 09, 2021Observed: 3.68 ft at 1:45AM May 09, 2021Observed: 3.68 ft at 2:00AM May 09, 2021Observed: 3.68 ft at 2:15AM May 09, 2021Observed: 3.68 ft at 2:30AM May 09, 2021Observed: 3.68 ft at 2:45AM May 09, 2021Observed: 3.68 ft at 3:00AM May 09, 2021Observed: 3.67 ft at 3:15AM May 09, 2021Observed: 3.67 ft at 3:30AM May 09, 2021Observed: 3.67 ft at 3:45AM May 09, 2021Observed: 3.67 ft at 4:00AM May 09, 2021Observed: 3.67 ft at 4:15AM May 09, 2021Observed: 3.67 ft at 4:30AM May 09, 2021Observed: 3.67 ft at 4:45AM May 09, 2021Observed: 3.67 ft at 5:00AM May 09, 2021Observed: 3.67 ft at 5:15AM May 09, 2021Observed: 3.67 ft at 5:30AM May 09, 2021Observed: 3.67 ft at 5:45AM May 09, 2021Observed: 3.67 ft at 6:00AM May 09, 2021Observed: 3.66 ft at 6:15AM May 09, 2021Observed: 3.66 ft at 6:30AM May 09, 2021Observed: 3.66 ft at 6:45AM May 09, 2021Observed: 3.66 ft at 7:00AM May 09, 2021Observed: 3.66 ft at 7:15AM May 09, 2021Observed: 3.66 ft at 7:30AM May 09, 2021Observed: 3.66 ft at 7:45AM May 09, 2021Observed: 3.66 ft at 8:00AM May 09, 2021Observed: 3.66 ft at 8:15AM May 09, 2021Observed: 3.66 ft at 8:30AM May 09, 2021Observed: 3.66 ft at 8:45AM May 09, 2021Observed: 3.66 ft at 9:00AM May 09, 2021Observed: 3.65 ft at 9:15AM May 09, 2021Observed: 3.65 ft at 9:30AM May 09, 2021Observed: 3.65 ft at 9:45AM May 09, 2021Observed: 3.65 ft at 10:00AM May 09, 2021Observed: 3.65 ft at 10:15AM May 09, 2021Observed: 3.65 ft at 10:30AM May 09, 2021Observed: 3.65 ft at 10:45AM May 09, 2021Observed: 3.65 ft at 11:00AM May 09, 2021Observed: 3.65 ft at 11:15AM May 09, 2021Observed: 3.65 ft at 11:30AM May 09, 2021Observed: 3.65 ft at 11:45AM May 09, 2021Observed: 3.65 ft at 12:00PM May 09, 2021Observed: 3.65 ft at 12:15PM May 09, 2021Observed: 3.65 ft at 12:30PM May 09, 2021Observed: 3.65 ft at 12:45PM May 09, 2021Observed: 3.65 ft at 1:00PM May 09, 2021Observed: 3.64 ft at 1:15PM May 09, 2021Observed: 3.64 ft at 1:30PM May 09, 2021Observed: 3.64 ft at 1:45PM May 09, 2021Observed: 3.64 ft at 2:00PM May 09, 2021Observed: 3.64 ft at 2:15PM May 09, 2021Observed: 3.64 ft at 2:30PM May 09, 2021Observed: 3.64 ft at 2:45PM May 09, 2021Observed: 3.64 ft at 3:00PM May 09, 2021Observed: 3.64 ft at 3:15PM May 09, 2021Observed: 3.64 ft at 3:30PM May 09, 2021Observed: 3.63 ft at 3:45PM May 09, 2021Observed: 3.63 ft at 4:00PM May 09, 2021Observed: 3.63 ft at 4:15PM May 09, 2021Observed: 3.63 ft at 4:30PM May 09, 2021Observed: 3.63 ft at 4:45PM May 09, 2021Observed: 3.63 ft at 5:00PM May 09, 2021Observed: 3.63 ft at 5:15PM May 09, 2021Observed: 3.63 ft at 5:30PM May 09, 2021Observed: 3.63 ft at 5:45PM May 09, 2021Observed: 3.63 ft at 6:00PM May 09, 2021Observed: 3.62 ft at 6:15PM May 09, 2021Observed: 3.62 ft at 6:30PM May 09, 2021Observed: 3.62 ft at 6:45PM May 09, 2021Observed: 3.62 ft at 7:00PM May 09, 2021Observed: 3.62 ft at 7:15PM May 09, 2021Observed: 3.62 ft at 7:30PM May 09, 2021Observed: 3.62 ft at 7:45PM May 09, 2021Observed: 3.62 ft at 8:00PM May 09, 2021Observed: 3.62 ft at 8:15PM May 09, 2021Observed: 3.62 ft at 8:30PM May 09, 2021Observed: 3.62 ft at 8:45PM May 09, 2021Observed: 3.61 ft at 9:00PM May 09, 2021Observed: 3.61 ft at 9:15PM May 09, 2021Observed: 3.61 ft at 9:30PM May 09, 2021Observed: 3.61 ft at 9:45PM May 09, 2021Observed: 3.61 ft at 10:00PM May 09, 2021Observed: 3.6 ft at 10:15PM May 09, 2021Observed: 3.6 ft at 10:30PM May 09, 2021Observed: 3.6 ft at 10:45PM May 09, 2021Observed: 3.6 ft at 11:00PM May 09, 2021Observed: 3.6 ft at 11:15PM May 09, 2021Observed: 3.6 ft at 11:30PM May 09, 2021Observed: 3.6 ft at 11:45PM May 09, 2021Observed: 3.6 ft at 12:00AM May 10, 2021Observed: 3.59 ft at 12:15AM May 10, 2021Observed: 3.59 ft at 12:30AM May 10, 2021Observed: 3.59 ft at 12:45AM May 10, 2021Observed: 3.59 ft at 1:00AM May 10, 2021Observed: 3.58 ft at 1:15AM May 10, 2021Observed: 3.58 ft at 1:30AM May 10, 2021Observed: 3.58 ft at 1:45AM May 10, 2021Observed: 3.58 ft at 2:00AM May 10, 2021Observed: 3.58 ft at 2:15AM May 10, 2021Observed: 3.58 ft at 2:30AM May 10, 2021Observed: 3.57 ft at 2:45AM May 10, 2021Observed: 3.57 ft at 3:00AM May 10, 2021Observed: 3.57 ft at 3:15AM May 10, 2021Observed: 3.57 ft at 3:30AM May 10, 2021Observed: 3.57 ft at 3:45AM May 10, 2021Observed: 3.56 ft at 4:00AM May 10, 2021Observed: 3.56 ft at 4:15AM May 10, 2021Observed: 3.56 ft at 4:30AM May 10, 2021Observed: 3.56 ft at 4:45AM May 10, 2021Observed: 3.56 ft at 5:00AM May 10, 2021Observed: 3.56 ft at 5:15AM May 10, 2021Observed: 3.56 ft at 5:30AM May 10, 2021Observed: 3.55 ft at 5:45AM May 10, 2021Observed: 3.55 ft at 6:00AM May 10, 2021Observed: 3.55 ft at 6:15AM May 10, 2021Observed: 3.55 ft at 6:30AM May 10, 2021Observed: 3.55 ft at 6:45AM May 10, 2021Observed: 3.55 ft at 7:00AM May 10, 2021Observed: 3.55 ft at 7:15AM May 10, 2021Observed: 3.55 ft at 7:30AM May 10, 2021Observed: 3.55 ft at 7:45AM May 10, 2021Observed: 3.55 ft at 8:00AM May 10, 2021Observed: 3.55 ft at 8:15AM May 10, 2021Observed: 3.55 ft at 8:30AM May 10, 2021Observed: 3.54 ft at 8:45AM May 10, 2021Observed: 3.54 ft at 9:00AM May 10, 2021Observed: 3.54 ft at 9:15AM May 10, 2021Observed: 3.54 ft at 9:30AM May 10, 2021Observed: 3.54 ft at 9:45AM May 10, 2021Observed: 3.54 ft at 10:00AM May 10, 2021Observed: 3.54 ft at 10:15AM May 10, 2021Observed: 3.54 ft at 10:30AM May 10, 2021Observed: 3.54 ft at 10:45AM May 10, 2021Observed: 3.54 ft at 11:00AM May 10, 2021Observed: 3.54 ft at 11:15AM May 10, 2021Observed: 3.54 ft at 11:30AM May 10, 2021Observed: 3.54 ft at 11:45AM May 10, 2021Observed: 3.54 ft at 12:00PM May 10, 2021Observed: 3.53 ft at 12:15PM May 10, 2021Observed: 3.53 ft at 12:30PM May 10, 2021Observed: 3.53 ft at 12:45PM May 10, 2021Observed: 3.53 ft at 1:00PM May 10, 2021Observed: 3.53 ft at 1:15PM May 10, 2021Observed: 3.53 ft at 1:30PM May 10, 2021Observed: 3.53 ft at 1:45PM May 10, 2021Observed: 3.53 ft at 2:00PM May 10, 2021Observed: 3.53 ft at 2:15PM May 10, 2021Observed: 3.53 ft at 2:30PM May 10, 2021Observed: 3.53 ft at 2:45PM May 10, 2021Observed: 3.53 ft at 3:00PM May 10, 2021Observed: 3.53 ft at 3:15PM May 10, 2021Observed: 3.53 ft at 3:30PM May 10, 2021Observed: 3.52 ft at 3:45PM May 10, 2021Observed: 3.52 ft at 4:00PM May 10, 2021Observed: 3.52 ft at 4:15PM May 10, 2021Observed: 3.52 ft at 4:30PM May 10, 2021Observed: 3.52 ft at 4:45PM May 10, 2021Observed: 3.52 ft at 5:00PM May 10, 2021Observed: 3.52 ft at 5:15PM May 10, 2021Observed: 3.52 ft at 5:30PM May 10, 2021Observed: 3.51 ft at 5:45PM May 10, 2021Observed: 3.51 ft at 6:00PM May 10, 2021Observed: 3.51 ft at 6:15PM May 10, 2021Observed: 3.51 ft at 6:30PM May 10, 2021Observed: 3.51 ft at 6:45PM May 10, 2021Observed: 3.51 ft at 7:00PM May 10, 2021Observed: 3.5 ft at 7:15PM May 10, 2021Observed: 3.5 ft at 7:30PM May 10, 2021Observed: 3.5 ft at 7:45PM May 10, 2021Observed: 3.5 ft at 8:00PM May 10, 2021Observed: 3.5 ft at 8:15PM May 10, 2021Observed: 3.5 ft at 8:30PM May 10, 2021Observed: 3.5 ft at 8:45PM May 10, 2021Observed: 3.5 ft at 9:00PM May 10, 2021Observed: 3.5 ft at 9:15PM May 10, 2021Observed: 3.5 ft at 9:30PM May 10, 2021Observed: 3.5 ft at 9:45PM May 10, 2021Observed: 3.5 ft at 10:00PM May 10, 2021Observed: 3.5 ft at 10:15PM May 10, 2021Observed: 3.49 ft at 10:30PM May 10, 2021Observed: 3.49 ft at 10:45PM May 10, 2021Observed: 3.49 ft at 11:00PM May 10, 2021Observed: 3.49 ft at 11:15PM May 10, 2021Observed: 3.49 ft at 11:30PM May 10, 2021Observed: 3.49 ft at 11:45PM May 10, 2021Observed: 3.49 ft at 12:00AM May 11, 2021Observed: 3.49 ft at 12:15AM May 11, 2021Observed: 3.49 ft at 12:30AM May 11, 2021Observed: 3.49 ft at 12:45AM May 11, 2021Observed: 3.49 ft at 1:00AM May 11, 2021Observed: 3.48 ft at 1:15AM May 11, 2021Observed: 3.48 ft at 1:30AM May 11, 2021Observed: 3.48 ft at 1:45AM May 11, 2021Observed: 3.48 ft at 2:00AM May 11, 2021Observed: 3.48 ft at 2:15AM May 11, 2021Observed: 3.48 ft at 2:30AM May 11, 2021Observed: 3.48 ft at 2:45AM May 11, 2021Observed: 3.48 ft at 3:00AM May 11, 2021Observed: 3.48 ft at 3:15AM May 11, 2021Observed: 3.48 ft at 3:30AM May 11, 2021Observed: 3.47 ft at 3:45AM May 11, 2021Observed: 3.47 ft at 4:00AM May 11, 2021Observed: 3.47 ft at 4:15AM May 11, 2021Observed: 3.47 ft at 4:30AM May 11, 2021Observed: 3.47 ft at 4:45AM May 11, 2021Observed: 3.47 ft at 5:00AM May 11, 2021Observed: 3.47 ft at 5:15AM May 11, 2021Observed: 3.47 ft at 5:30AM May 11, 2021Observed: 3.47 ft at 5:45AM May 11, 2021Observed: 3.47 ft at 6:00AM May 11, 2021Observed: 3.47 ft at 6:15AM May 11, 2021Observed: 3.47 ft at 6:30AM May 11, 2021Observed: 3.46 ft at 6:45AM May 11, 2021Observed: 3.46 ft at 7:00AM May 11, 2021Observed: 3.46 ft at 7:15AM May 11, 2021Observed: 3.46 ft at 7:30AM May 11, 2021Observed: 3.46 ft at 7:45AM May 11, 2021Observed: 3.46 ft at 8:00AM May 11, 2021Observed: 3.46 ft at 8:15AM May 11, 2021Observed: 3.46 ft at 8:30AM May 11, 2021Observed: 3.46 ft at 8:45AM May 11, 2021Observed: 3.46 ft at 9:00AM May 11, 2021Observed: 3.46 ft at 9:15AM May 11, 2021Observed: 3.46 ft at 9:30AM May 11, 2021Observed: 3.46 ft at 9:45AM May 11, 2021Observed: 3.46 ft at 10:00AM May 11, 2021Observed: 3.45 ft at 10:15AM May 11, 2021Observed: 3.45 ft at 10:30AM May 11, 2021Observed: 3.45 ft at 10:45AM May 11, 2021Observed: 3.45 ft at 11:00AM May 11, 2021Observed: 3.45 ft at 11:15AM May 11, 2021Observed: 3.45 ft at 11:30AM May 11, 2021Observed: 3.45 ft at 11:45AM May 11, 2021Observed: 3.45 ft at 12:00PM May 11, 2021Observed: 3.45 ft at 12:15PM May 11, 2021Observed: 3.45 ft at 12:30PM May 11, 2021Observed: 3.45 ft at 12:45PM May 11, 2021Observed: 3.45 ft at 1:00PM May 11, 2021Observed: 3.45 ft at 1:15PM May 11, 2021Observed: 3.45 ft at 1:30PM May 11, 2021Observed: 3.44 ft at 1:45PM May 11, 2021Observed: 3.44 ft at 2:00PM May 11, 2021Observed: 3.44 ft at 2:15PM May 11, 2021Observed: 3.44 ft at 2:30PM May 11, 2021Observed: 3.44 ft at 2:45PM May 11, 2021Observed: 3.44 ft at 3:00PM May 11, 2021Observed: 3.44 ft at 3:15PM May 11, 2021Observed: 3.44 ft at 3:30PM May 11, 2021Observed: 3.44 ft at 3:45PM May 11, 2021Observed: 3.44 ft at 4:00PM May 11, 2021Observed: 3.44 ft at 4:15PM May 11, 2021Observed: 3.44 ft at 4:30PM May 11, 2021Observed: 3.44 ft at 4:45PM May 11, 2021Observed: 3.44 ft at 5:00PM May 11, 2021Observed: 3.44 ft at 5:15PM May 11, 2021Observed: 3.44 ft at 5:30PM May 11, 2021Observed: 3.43 ft at 5:45PM May 11, 2021Observed: 3.43 ft at 6:00PM May 11, 2021Observed: 3.43 ft at 6:15PM May 11, 2021Observed: 3.43 ft at 6:30PM May 11, 2021Observed: 3.43 ft at 6:45PM May 11, 2021Observed: 3.43 ft at 7:00PM May 11, 2021Observed: 3.43 ft at 7:15PM May 11, 2021Observed: 3.43 ft at 7:30PM May 11, 2021Observed: 3.43 ft at 7:45PM May 11, 2021Observed: 3.43 ft at 8:00PM May 11, 2021Observed: 3.43 ft at 8:15PM May 11, 2021Observed: 3.43 ft at 8:30PM May 11, 2021Observed: 3.43 ft at 8:45PM May 11, 2021Observed: 3.42 ft at 9:00PM May 11, 2021Observed: 3.42 ft at 9:15PM May 11, 2021Observed: 3.42 ft at 9:30PM May 11, 2021Observed: 3.42 ft at 9:45PM May 11, 2021Observed: 3.42 ft at 10:00PM May 11, 2021Observed: 3.42 ft at 10:15PM May 11, 2021Observed: 3.42 ft at 10:30PM May 11, 2021Observed: 3.41 ft at 10:45PM May 11, 2021Observed: 3.41 ft at 11:00PM May 11, 2021Observed: 3.41 ft at 11:15PM May 11, 2021Observed: 3.41 ft at 11:30PM May 11, 2021Observed: 3.41 ft at 11:45PM May 11, 2021Observed: 3.4 ft at 12:00AM May 12, 2021Observed: 3.4 ft at 12:15AM May 12, 2021Observed: 3.4 ft at 12:30AM May 12, 2021Observed: 3.4 ft at 12:45AM May 12, 2021Observed: 3.4 ft at 1:00AM May 12, 2021Observed: 3.4 ft at 1:15AM May 12, 2021Observed: 3.4 ft at 1:30AM May 12, 2021Observed: 3.4 ft at 1:45AM May 12, 2021Observed: 3.4 ft at 2:00AM May 12, 2021Observed: 3.4 ft at 2:15AM May 12, 2021Observed: 3.4 ft at 2:30AM May 12, 2021Observed: 3.4 ft at 2:45AM May 12, 2021Observed: 3.4 ft at 3:00AM May 12, 2021Observed: 3.4 ft at 3:15AM May 12, 2021Observed: 3.4 ft at 3:30AM May 12, 2021Observed: 3.4 ft at 3:45AM May 12, 2021Observed: 3.4 ft at 4:00AM May 12, 2021Observed: 3.4 ft at 4:15AM May 12, 2021Observed: 3.4 ft at 4:30AM May 12, 2021Observed: 3.4 ft at 4:45AM May 12, 2021Observed: 3.4 ft at 5:00AM May 12, 2021Observed: 3.4 ft at 5:15AM May 12, 2021Observed: 3.4 ft at 5:30AM May 12, 2021Observed: 3.4 ft at 5:45AM May 12, 2021Highest Forecast: 3.4 ft 8:00AM May 12, 2021Forecast: 3.3 ft 2:00PM May 12, 2021Forecast: 3.3 ft 8:00PM May 12, 2021Forecast: 3.3 ft 2:00AM May 13, 2021Forecast: 3.2 ft 8:00AM May 13, 2021Forecast: 3.2 ft 2:00PM May 13, 2021Forecast: 3.2 ft 8:00PM May 13, 2021Forecast: 3.2 ft 2:00AM May 14, 2021Forecast: 3.2 ft 8:00AM May 14, 2021Forecast: 3.1 ft 2:00PM May 14, 2021Forecast: 3.1 ft 8:00PM May 14, 2021Forecast: 3.1 ft 2:00AM May 15, 2021Forecast: 3.1 ft 8:00AM May 15, 2021Forecast: 3.1 ft 2:00PM May 15, 2021Forecast: 3.1 ft 8:00PM May 15, 2021Forecast: 3.1 ft 2:00AM May 16, 2021Forecast: 3 ft 8:00AM May 16, 2021USGS--Water Resources of the United StatesALDW2(plotting HGIRG) Graph Created (6:19AM May 12, 2021)ObservedForecast (issued 10:10AM May 11)Latest observed value: 3.4 ft at 5:45 AM EDT 12-May-2021. Flood Stage is 14 ft
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NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office.

NOTE: Forecasts for the Greenbrier River at Alderson are issued routinely year-round.

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Upstream Gauge - at Renick Upstream Gauge Downstream Gauge Downstream Gauge - at Hilldale
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 16
Flood Stage: 14
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 24.33 ft on 01/20/1996
(2) 23.95 ft on 11/05/1985
(3) 22.00 ft on 06/24/2016
(4) 20.30 ft on 12/27/1973
(5) 19.90 ft on 03/07/1967
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.81 ft on 09/28/2018 (P)
(2) 13.40 ft on 05/07/2018
(3) 15.49 ft on 04/17/2018
(4) 12.80 ft on 02/12/2018
(5) 13.49 ft on 05/25/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.63 ft on 09/20/1964
(2) 1.65 ft on 10/12/1931
(3) 1.65 ft on 08/12/1930
(4) 1.66 ft on 09/29/1959
(5) 1.73 ft on 09/26/1932
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

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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
30 Railroad tracks on left bank flooded.
26.5 Bridge floor at gage is flooded.
19 Significant flooding in town of Alderson.
17 Flooding of roads in Alderson and some buildings affected.
15 Farm land along river bank near gage is flooded.
13.5 Additional low spots dowmstream from Alderson along Route 12/3 are flooded.
12 Flooding begins along portions of Route 3 downstream from Alderson near Eagle Branch.
Photos
(1) USGS gage house on LB - Dir. NE: 11/30/2007
(2) DS RB - Dir. NW: 11/30/2007; Stage - 2.95'; Flow ~ 668 cfs
(3) DS center channel - Dir. W: 11/30/2007; Stage - 2.95'
(4) DS LB - Dir. WSW: 11/30/2007; Stage - 2.95'
(5) US RB - Dir. ENE: 11/30/2007; Stage - 2.95'
(6) US center channel - Dir. E: 11/30/2007; Stage - 2.95'
(7) US LB - Dir. ESE (USGS GH visible); 11/30/2007
About This Location Collapse

Latitude: 37.724167° N, Longitude: 80.641667° 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 1529.42 ft 1543.42 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:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Blacksburg Weather Forecast Office
1750 Forecast Drive
Blacksburg, VA 24060
(540) 552-0084
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Page last modified: 30-Oct-2020 4:10 PM
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