L&D17 6am Report THURSDAY 24 APR 2025
LockMaster: Scott Cooper Flat Pool = 9.3 Flat Tail = 1.3 River Mile = 437.1
Asst: Randall (Ray) Meldrum DA = 99,600 mi^2 UNG LOC DA = 200 mi^2 %UNG LOC = 100%
Phone: (309) 587-8125 or (6217) Flood Stage = 15 Lock Closed = 18.2 Top of Lock = 21.3
8 Submrg Tainters (64') Gates #1-4, 8-11 LD16(2 hr) <- LD17 -> LD18(6 hr) Top of Spillway = 9.8
3 Submrg Rollers (100') Gates #5,6,7 Out of Operation = 8.6' = 80,000 cfs Swell Head = 0.3
Max Submrg Setting = -60.0 X -21.0 = 64,100 cfs Gage Zero = 533.79 TW cntrl > 8.0' GATE cntrl < 8.0'
6am Maximum Permissible Feet of Bulkhead = 51 Record Flood Stage = 25.90 in July 1993
M I 1 7 N B O I 2
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 WAPI4
0000: 9.47 8.63 104.0 39.0 73.5 0.00 0.00 9.47 8.63 9.49 8.68 4 SE 6 59 56 0.00 15.80
0100: 9.51 8.70 104.0 39.0 74.0 0.00 0.00 9.50 8.71 9.51 8.70 3 SE 6 59 56 0.00 15.79
0200: 9.55 8.77 104.0 39.0 74.5 0.00 0.00 9.55 8.78 9.55 8.77 18 SW 40 64 56 0.01 15.79
0300: 9.54 8.77 104.0 39.0 75.1 0.00 0.00 9.49 8.72 9.50 8.72 8 SW 11 60 56 0.27 15.76
0400: 9.52 8.77 104.0 39.0 75.7 0.00 0.00 9.51 8.77 9.52 8.80 10 SE 15 58 56 0.11 15.75
0500: 9.56 8.80 104.0 39.0 75.7 0.00 0.00 9.62 8.82 9.63 8.81 1 NE 2 56 56 0.00 15.73
0600: 9.60 8.83 104.0 39.0 75.7 0.00 0.00 9.60 8.83 9.61 8.82 4 SE 6 57 56 0.00 0.39 15.71
0700: 9.64 8.85 104.0 39.0 75.4 0.00 0.00 9.62 8.84 9.64 8.82 6 SE 8 58 56 0.00 15.71
0800: 9.67 8.86 104.0 39.0 75.2 0.00 0.00 9.67 8.86 9.68 8.85 4 E 7 58 56 0.00 15.69
0900: 9.66 8.87 104.0 39.0 75.5 0.00 0.00 9.64 8.86 9.65 8.84 6 SE 8 59 55 0.00 15.68
1000: 9.65 8.88 104.0 39.0 75.8 0.00 0.00 9.65 8.88 9.66 8.87 6 E 9 62 56 0.00 15.69
1100: 9.66 8.87 104.0 39.0 75.6 0.00 0.00 9.65 8.87 9.66 8.86 8 E 11 67 56 0.00 15.69
1200: 9.66 8.86 104.0 39.0 75.5 0.00 0.00 9.66 8.86 9.67 8.85 8 SE 12 68 56 0.00 0.00 15.70
1300: 9.49 8.97 104.0 39.0 76.3 0.00 0.00 9.39 9.09 9.40 9.08 8 SE 10 67 56 0.01 15.72
1400: 9.32 9.08 99999.0 99999.0 77.2 0.00 0.00 9.32 9.08 9.34 9.06 7 SE 9 73 56 0.00 15.73
1500: 9.31 9.06 99999.0 99999.0 77.3 0.00 0.00 9.28 9.06 9.30 9.05 7 S 12 75 56 0.00 15.74
1600: 9.29 9.03 99999.0 99999.0 77.3 0.00 0.00 9.29 9.03 9.31 9.02 6 S 15 75 57 0.00 15.77
1700: 9.27 9.01 99999.0 99999.0 77.1 0.00 0.00 9.25 9.00 9.26 8.99 7 S 14 76 57 0.00 15.78
1800: 9.24 8.99 99999.0 99999.0 76.8 0.00 0.00 9.24 8.99 9.25 8.98 5 S 8 76 57 0.00 0.01 15.81
1900: 9.21 8.97 99999.0 99999.0 76.7 0.00 0.00 9.21 8.96 9.22 8.95 2 S 3 76 57 0.00 15.83
2000: 9.18 8.94 99999.0 99999.0 76.5 0.00 0.00 9.18 8.94 9.20 8.93 0 SW 2 69 57 0.00 15.85
2100: 9.25 9.00 99999.0 99999.0 77.0 0.00 0.00 9.31 8.99 9.33 8.98 0 SE 2 65 57 0.00 15.87
2200: 9.32 9.05 99999.0 99999.0 77.5 0.00 0.00 9.32 9.05 9.33 9.04 4 SE 5 65 57 0.00 15.89
2300: 9.36 9.09 99999.0 99999.0 77.9 0.00 0.00 9.36 9.10 9.37 9.08 4 S 5 64 57 0.00 15.93
2400: 9.40 9.13 99999.0 99999.0 78.4 0.00 0.00 9.40 9.13 9.41 9.12 5 S 6 63 57 0.00 0.00 15.96
0100: 9.43 9.16 99999.0 99999.0 78.7 0.00 0.00 9.42 9.16 9.43 9.15 0 E 2 60 57 0.00 16.00
0200: 9.46 9.19 99999.0 99999.0 79.0 0.00 0.00 9.46 9.19 9.47 9.18 2 SE 4 58 57 0.00 16.02
0300: 9.47 9.21 99999.0 99999.0 79.2 0.00 0.00 9.45 9.20 9.47 9.19 0 SE 0 58 57 0.00 16.06
0400: 9.48 9.23 99999.0 99999.0 79.5 0.00 0.00 9.48 9.23 9.49 9.21 1 NE 2 56 57 0.00 16.10
0500: 9.51 9.24 99999.0 99999.0 79.5 0.00 0.00 9.53 9.23 9.54 9.22 3 N 4 58 57 0.00 16.14
0600: 9.53 9.25 99999.0 99999.0 79.6 0.00 0.00 9.53 9.25 9.54 9.23 1 NE 3 55 57 0.00 0.00 16.18
-----
0.01
HG QR Chg
UNGAGED 93 -4 Ystday Avg LD17 Q: 76.1 Chg: 2.0
Ystday Avg LD16 Q: 84.6 Chg: 5.7
Ystday Avg Trib Q: 0.1 Chg: -0.0
Ystday Avg Stor Q: -0.0
----- ----- ------
Total 93 -4 SPREAD -8.6
OMNI -- 6hr Change = 0.13 24hr Equivl = 0.52 Storage/FT Change = 52 6HR DELTA Pool = 27
FLOAT-- 6hr Change = 0.13 24hr Equivl = 0.52 Storage/FT Change = 52 6HR DELTA Pool = 27
P.T. -- 6hr Change = 0.13 24hr Equivl = 0.52 Storage/FT Change = 52 6HR DELTA Pool = 27
OMNI -- 8hr Change = 0.21 24hr Equivl = 0.63 Storage/FT Change = 52 8HR DELTA Pool = 33
FLOAT-- 8hr Change = 0.21 24hr Equivl = 0.63 Storage/FT Change = 52 8HR DELTA Pool = 33
P.T. -- 8hr Change = 0.21 24hr Equivl = 0.63 Storage/FT Change = 52 8HR DELTA Pool = 33
OMNI -- 12hr Change = 0.29 24hr Equivl = 0.58 Storage/FT Change = 52 12HR DELTA Pool = 30
FLOAT-- 12hr Change = 0.29 24hr Equivl = 0.58 Storage/FT Change = 52 12HR DELTA Pool = 30
P.T. -- 12hr Change = 0.29 24hr Equivl = 0.58 Storage/FT Change = 52 12HR DELTA Pool = 30
Balanced Gates Jacob Charts Rating Table
6.0 x 2.5 (5.8) 58.0 --> 45 x 17
7.0 x 3.0 (6.0) 59.5 --> 48 x 19
10.0 x 4.0 (6.2) 61.0 --> 49 x 20
11.0 x 4.5 (6.4) 62.5 --> 52 x 20
13.0 x 5.0 (6.6) 63.0 --> 56 x 21
13.5 x 6.0 (6.8) 64.5 --> 60 x 22
17.5 x 6.5 (7.0) 66.0 --> 62 x 24 <-- Appendage
18.0 x 7.5 (7.2) 67.5 --> 64 x 24 <-- 24-27
21.0 x 9.0 (7.4) 68.0 --> 68 x 25 <-- Not very
25.0 x 9.5 (7.6) 69.5 --> 69 x 27 <-- significant
26.5 x 10.5 (7.8) 71.0 --> 72 x 27 <--
30.0 x 12.0 (8.0) 73.0 --> 76 x 30
34.0 x 13.5 (8.2) 75.0 --> 84 x 30
37.0 x 14.0 (8.4) 77.0 --> 92 x 33
38.5 x 15.0 (8.6) 79.0 --> 104 x 39
40.5 x 16.0
44.0 x 16.5
46.0 x 18.0
48.0 x 19.5
51.0 x 20.0
53.0 x 21.0
54.5 x 22.0
58.5 x 24.0