L&D12 6am Report THURSDAY 24 APR 2025
LockMaster: John Mueller Flat Pool = 11.8 Flat Tail = 2.8 River Mile = 556.7
Asst: James (Jim) Rolling DA = 82,400 mi^2 UNG LOC DA = 635 mi^2 %UNG LOC = 79%
Phone: (563) 872-3314 or (6212) Flood Stage = 17.0 Lock Closed = 18.4 Top of Lock = 22.8
7 Submrg Tainters (60') Gates #1-3, 7-10 LD11(4hr) <- LD12 -> LD13(6hr) Top of Spillway = 12.3
3 Submrg Rollers (100') Gates #4,5,6 Out of Operation = 11.0' = 95,000 cfs Swell Head = 0.4
Max Submrg Setting = -52.5 X -21.0 = 64,100 cfs Gage Zero = 580.2 TW cntrl > 7.8' GATE cntrl < 7.6'
6am Mamimum Permissible Feet of Bulkhead = 66 Record Flood Stage = 23.51 in Apr 1965
M I 1 2 B L V I 4
Float Gage Wind Temp
Pool Tail Tnt Rlr Flow T Q/f R Q/f Pool Tail Pool Tail Spd Dir Gst Air Water Prec
0000: 11.93 9.09 58.0 25.0 72.4 0.00 0.00 11.93 9.09 11.93 9.09 3 W 3 58 53 0.00
0100: 11.93 9.10 58.0 25.0 72.5 0.00 0.00 11.94 9.09 11.95 9.09 0 W 0 55 53 0.00
0200: 11.92 9.10 58.0 25.0 72.6 0.00 0.00 11.92 9.10 11.92 9.12 3 N 5 56 53 0.00
0300: 11.93 9.10 58.0 25.0 72.6 0.00 0.00 11.94 9.12 11.93 9.13 6 S 9 59 53 0.00
0400: 11.93 9.10 58.0 25.0 72.6 0.00 0.00 11.93 9.10 11.93 9.14 2 S 7 59 53 0.00
0500: 11.93 9.11 58.0 25.0 72.6 0.00 0.00 12.11 9.11 12.11 9.13 0 W 2 56 53 0.00
0600: 11.92 9.12 58.0 25.0 72.6 0.00 0.00 11.92 9.12 11.92 9.14 1 SW 2 54 53 0.00 0.00
0700: 11.96 9.12 58.0 25.0 72.7 0.00 0.00 11.94 9.12 11.95 9.13 2 NW 4 55 53 0.00
0800: 11.99 9.11 58.0 25.0 72.9 0.00 0.00 11.99 9.11 12.00 9.14 2 NW 5 56 53 0.07
0900: 11.99 9.13 58.0 25.0 73.0 0.00 0.00 11.99 9.14 11.98 9.18 0 S 0 56 53 0.01
1000: 11.99 9.15 58.0 25.0 73.0 0.00 0.00 11.99 9.15 11.99 9.18 0 S 1 56 53 0.04
1100: 12.01 9.17 58.0 25.0 73.3 0.00 0.00 11.99 9.17 11.98 9.17 4 S 7 57 53 0.00
1200: 12.03 9.18 58.0 25.0 73.6 0.00 0.00 12.03 9.18 12.04 9.21 8 S 10 59 53 0.01 0.13
1300: 11.97 9.35 58.0 25.0 75.3 0.00 0.00 12.08 9.20 12.10 9.22 5 S 10 64 53 0.00
1400: 11.91 9.51 67.0 27.0 77.0 0.00 0.00 11.91 9.49 11.92 9.51 1 S 3 66 54 0.00
1500: 11.85 9.56 67.0 27.0 77.7 0.00 0.00 11.83 9.62 11.83 9.62 7 S 11 72 54 0.01
1600: 11.78 9.60 67.0 27.0 78.4 0.00 0.00 11.78 9.60 11.78 9.55 5 S 10 73 55 0.00
1700: 11.77 9.61 67.0 27.0 78.6 0.00 0.00 11.77 9.65 11.79 9.66 5 S 8 75 55 0.00
1800: 11.75 9.62 67.0 27.0 78.7 0.00 0.00 11.75 9.62 11.73 9.66 4 S 6 74 55 0.00 0.01
1900: 11.76 9.65 67.0 27.0 78.8 0.00 0.00 11.85 9.62 11.83 9.69 2 S 4 74 55 0.00
2000: 11.77 9.67 67.0 27.0 78.9 0.00 0.00 11.77 9.66 11.78 9.67 0 E 0 68 55 0.00
2100: 11.77 9.67 67.0 27.0 78.9 0.00 0.00 11.75 9.66 11.77 9.68 1 W 2 64 55 ______
2200: 11.76 9.67 67.0 27.0 79.0 0.00 0.00 11.76 9.67 11.77 9.68 0 NW 0 61 54 0.00
2300: 11.75 9.68 67.0 27.0 79.0 0.00 0.00 11.73 9.68 11.74 9.71 0 W 1 62 54 0.00
2400: 11.73 9.68 67.0 27.0 79.1 0.00 0.00 11.73 9.68 11.73 9.70 0 SW 1 63 54 0.00 0.00
0100: 11.74 9.68 67.0 27.0 79.1 0.00 0.00 11.75 9.68 11.74 9.69 3 W 4 61 54 0.00
0200: 11.74 9.68 67.0 27.0 79.1 0.00 0.00 11.74 9.68 11.75 9.69 2 W 3 59 54 0.00
0300: 11.75 9.69 67.0 27.0 79.1 0.00 0.00 11.75 9.68 11.75 9.69 2 NW 3 58 54 0.00
0400: 11.76 9.69 67.0 27.0 79.1 0.00 0.00 11.76 9.69 11.77 9.70 10 N 12 60 54 0.00
0500: 11.75 9.69 67.0 27.0 79.1 0.00 0.00 11.76 9.68 11.75 9.71 6 N 7 59 54 0.00
0600: 11.74 9.69 67.0 27.0 79.2 0.00 0.00 11.74 9.69 11.76 9.69 4 E 5 57 54 0.00 0.00
-----
0.14
HG QR Chg Prec
MENI2 4.59 20 1 Ystday Avg LD12 Q: 75.3 Chg: 5.7
BUNW3(15) 2.95 85 8 0.22 Ystday Avg LD11 Q: 81.2 Chg: 4.3
UNGAGED 373 28 Ystday Avg Trib Q: 0.5 Chg: 0.0
----- ----- Ystday Avg Stor Q: -0.0
Total 478 37 ------
SPREAD -6.3
OMNI -- 6hr Change = 0.01 24hr Equivl = 0.04 Storage/FT Change = 66 6HR DELTA Pool = 3
FLOAT-- 6hr Change = 0.01 24hr Equivl = 0.04 Storage/FT Change = 66 6HR DELTA Pool = 3
P.T. -- 6hr Change = 0.03 24hr Equivl = 0.12 Storage/FT Change = 66 6HR DELTA Pool = 8
OMNI -- 8hr Change = -0.02 24hr Equivl = -0.06 Storage/FT Change = 66 8HR DELTA Pool = -4
FLOAT-- 8hr Change = -0.02 24hr Equivl = -0.06 Storage/FT Change = 66 8HR DELTA Pool = -4
P.T. -- 8hr Change = -0.01 24hr Equivl = -0.03 Storage/FT Change = 66 8HR DELTA Pool = -2
OMNI -- 12hr Change = -0.01 24hr Equivl = -0.02 Storage/FT Change = 66 12HR DELTA Pool = -1
FLOAT-- 12hr Change = -0.01 24hr Equivl = -0.02 Storage/FT Change = 66 12HR DELTA Pool = -1
P.T. -- 12hr Change = 0.03 24hr Equivl = 0.06 Storage/FT Change = 66 12HR DELTA Pool = 4
Balanced Gates Jacob Charts Rating Table
7.5 x 3.5 (7.6) 56.0 --> 39 x 19 (7.6) 56.0
9.0 x 4.5 (7.8) 58.2 --> 40 x 20 (7.8) 58.0
10.5 x 6.0 (8.0) 60.0 --> 43 x 20 (8.0) 60.0
14.0 x 7.0 (8.2) 62.2 --> 45 x 20 (9.0) 71.3
16.0 x 8.0 (8.4) 64.4 --> 47 x 21 <-- (10.0) 82.7
19.0 x 9.0 (8.6) 66.7 --> 49 x 22 <-- Appendage 21-24 (11.0) 93.6
20.0 x 10.0 (8.8) 69.0 --> 51 x 23 <-- (12.0) 104.3
22.0 x 11.0 (9.0) 71.4 --> 53 x 24 <-- (13.0) 116.7
24.0 x 12.0 (9.2) 73.7 --> 55 x 25 (14.0) 132.2
25.0 x 13.0 (9.4) 76.1 --> 58 x 25 (15.0) 144.7
29.0 x 14.0 (9.6) 78.5 --> 61 x 26 (16.0) 158.1
31.0 x 15.0 (9.8) 81.0 --> 64 x 26 (17.0) 175.2
34.0 x 16.0 (10.0) 83.4 --> 66 x 27 (18.0) 191.5
36.0 x 17.0 (10.2) 85.8 --> 69 x 28 (19.0) 207.6
40.0 x 18.0 (10.4) 88.3 --> 70 x 30 (20.0) 223.9
43.0 x 21.0 (10.6) 90.7 --> 77 x 33 (21.0) 241.3
46.0 x 22.0 (10.8) 93.2 --> 84 x 36 (22.0) 262.2
48.0 x 23.0 (11.0) 95.7 --> 91 x 39 (23.0) 285.3
52.0 x 24.0 (11.2) 98.1 --> 98 x 42 (24.0) 309.5
54.0 x 25.0 (11.4)100.6 --> 105 x 45 (25.0) 335.5
63.0 x 27.0 (26.0) 363.9
(27.0) 398.0