FLOOD10355

• County: Statewide
• Stream Name: Colorado River
• Title: Colorado River Basin Probable Maximum Floods, Hoover and Glen Canyon Dams
• Date: 9/1/1990
• Prepared By: US Department of the Interior Bureau of Reclaimation
• Floodplain - Doc Type: Floodplain Report/Masterplan

Table 3.8.--Uinta dimensionless hydrograph

Rocky Mountain General Storm
(Reclamation Flood Hydrology Manual Table 4-9, 1989)

% Lag+D/2

Flow % Lag+D/2 Flow % Lag+D/2 Flow % Lag+D/2 Flow
(ft3/S) (fe/s) (fe/s) (ft3/s)

0 0.00 155 6.40 310 1.57 465 0.44
5 0.26 160 6.00 315 1.50 470 0.42
10 0.90 165 5.65 320 1.45 475 0.41
15 2.00 170 5.35 325 1. 39 480 0.40
20 3.00 175 5.00 330 1.34 485 0.38
25 5.00 180 4.80 335 1.28 490 0.37
30 6.80 185 4.55 340 1.23 495 0.35
35 7.70 190 4.30 345 1.19 500 0.34
40 9.00 195 4.10 350 1.13 505 0.33
45 14.51 200 3.90 355 1. 09 510 0.32
50 18.11 205 3.72 360 1. 05 515 0.29
55 21. 51 210 3.55 365 1.01 520 0.28
60 24.01 215 3.40 370 0.97 525 0.27
65 22.81 220 3.25 375 0.93 530 0.26
70 21. 21 225 3.10 380 0.90 535 0.25
75 19.31 230 3.00 385 0.86 540 0.24
80 16.91 235 2.87 390 0.83 545 0.23
85 15.21 240 2.75 395 0.80 550 0.23
90 14.21 245 2.65 400 0.77 555 0.22
95 13.41 250 2.52 405 0.74 560 0.21
100 12.71 255 2.42 410 0.68 565 0.20
105 11. 91 260 2.33 415 0.65 570 0.19
110 11. 21 265 2.24 420 0.63 575 0.19
115 10.61 270 2.15 425 0.60 580 0.18
120 10.01 275 2.07 430 0.58 585 0.17
125 9.40 280 1. 99 435 0.56 590 0.17
130 8.80 285 1. 91 440 0.54 595 0.16
135 8.25 290 1. 83 445 0.52 600 0.16
140 7.70 295 1. 76 450 0.50
145 7.25 300 1. 70 455 0.48
150 6.80 305 1. 63 460 0.46

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