L&D18 6am Report MONDAY 19 MAY 2025
LockMaster: Michael (Mike) Bielser Flat Pool = 9.5 Flat Tail = -0.3 River Mile = 410.5
Asst: Mathew (Matt) Price DA = 113,600 mi^2 UNG LOC DA = 900 mi^2 %UNG LOC = 6%
Phone: (309) 873-2246 or (6218) Flood Stage = 10.0 Lock Closed = 15.0 Top of Lock = 18.98
14 Submrg Tainters (60') Gates #1-5, 9-17 LD17(5hr) <- LD18 -> LD19(6hr) Top of Spillway = 9.8
3 Submrg Rollers (100') Gates #6,7,8 Out of Operation = 8.6' = 134,000 cfs Swell Head = 0.5
Max Submrg Setting = -105.0 X -19.5 = 92,000 cfs Gage Zero = 518.52 TW cntrl > 5.0' GATE cntrl < 4.4'
6am Maximum Permissible Feet of Bulkhead = 165 Record Flood Stage = 22.46 in Jun 2008
M I 1 8 G L D 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
0000: 9.02 4.09 65.0 16.0 75.7 0.87 1.21 9.03 4.09 9.00 4.11 8 NW 11 56 70 0.00
0100: 9.00 4.08 65.0 16.0 75.7 0.87 1.21 9.02 4.09 9.00 4.10 7 NW 9 55 70 0.00
0200: 8.98 4.07 65.0 16.0 75.6 0.87 1.21 8.97 4.09 8.95 4.10 6 NW 10 53 70 0.00
0300: 8.96 4.07 65.0 16.0 75.4 0.86 1.21 8.93 4.07 8.91 4.08 5 NW 7 51 69 0.00
0400: 8.93 4.06 65.0 16.0 75.3 0.86 1.20 8.94 4.06 8.92 4.07 6 W 9 49 69 0.00
0500: 8.96 4.05 65.0 16.0 74.6 0.86 1.21 8.95 4.02 8.94 4.04 8 NW 10 48 69 0.00
0600: 8.99 4.05 63.0 16.0 73.9 0.87 1.21 8.99 4.01 8.96 4.01 7 N 8 46 69 0.00 0.00
0700: 9.01 3.94 63.0 16.0 71.7 0.88 1.23 8.84 3.99 8.83 4.01 5 N 7 49 69 0.00
0800: 9.02 3.83 59.0 14.0 69.5 0.88 1.24 9.03 3.84 9.01 3.86 5 N 7 52 68 0.00
0900: 9.09 3.81 59.0 14.0 70.1 0.89 1.25 9.11 3.80 9.10 3.81 11 N 13 54 68 0.00
1000: 9.15 3.80 59.0 14.0 70.6 0.90 1.26 9.15 3.80 9.13 3.81 6 NE 9 57 68 0.00
1100: 9.17 3.79 59.0 14.0 70.8 0.90 1.26 9.20 3.79 9.19 3.80 5 NE 8 60 69 0.00
1200: 9.19 3.79 59.0 14.0 70.9 0.90 1.27 9.23 3.78 9.22 3.80 5 NE 9 63 69 0.00 0.00
1300: 9.22 3.82 59.0 14.0 70.9 0.90 1.27 9.11 3.80 9.07 3.81 5 NE 8 67 69 0.00
1400: 9.25 3.85 59.0 14.0 70.9 0.90 1.27 9.30 3.80 9.28 3.82 4 NE 6 69 70 0.00
1500: 9.28 3.81 59.0 14.0 71.4 0.91 1.27 9.29 3.78 9.28 3.80 4 NE 5 71 70 0.00
1600: 9.31 3.78 59.0 14.0 71.8 0.91 1.28 9.33 3.78 9.32 3.79 4 NE 6 73 70 0.00
1700: 9.33 3.79 59.0 14.0 71.9 0.91 1.28 9.33 3.78 9.32 3.80 3 N 3 76 71 0.00
1800: 9.35 3.80 59.0 14.0 71.9 0.91 1.28 9.35 3.79 9.34 3.80 2 N 3 77 71 0.00 0.00
1900: 9.38 3.79 59.0 14.0 72.2 0.92 1.29 9.37 3.79 9.36 3.81 4 N 5 75 71 0.00
2000: 9.41 3.79 59.0 14.0 72.4 0.92 1.29 9.39 3.80 9.38 3.82 3 NE 4 74 71 0.00
2100: 9.43 3.79 59.0 14.0 72.5 0.92 1.29 9.43 3.80 9.42 3.82 3 E 5 70 71 0.00
2200: 9.44 3.79 59.0 14.0 72.6 0.92 1.30 9.41 3.82 9.41 3.84 1 E 3 66 71 0.00
2300: 9.46 3.80 59.0 14.0 72.6 0.92 1.30 9.44 3.81 9.43 3.83 0 E 0 64 70 0.00
2400: 9.47 3.81 59.0 14.0 72.6 0.92 1.30 9.20 3.88 9.19 3.91 0 E 2 65 70 0.00 0.00
0100: 9.44 3.85 59.0 14.0 72.1 0.92 1.29 9.47 3.84 9.47 3.86 1 E 2 65 70 0.00
0200: 9.40 3.89 59.0 14.0 71.6 0.91 1.28 9.42 3.89 9.41 3.91 7 E 13 61 70 0.00
0300: 9.46 3.87 59.0 14.0 72.1 0.92 1.29 9.50 3.83 9.50 3.86 7 E 14 58 70 0.00
0400: 9.51 3.85 59.0 14.0 72.6 0.92 1.30 9.51 3.84 9.51 3.86 6 E 8 57 69 0.00
0500: 9.52 3.84 59.0 14.0 72.8 0.92 1.30 9.53 3.84 9.52 3.86 6 E 9 56 69 0.00
0600: 9.53 3.83 59.0 14.0 72.9 0.93 1.30 9.53 3.84 9.54 3.86 7 E 11 54 68 0.00 0.00
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0.00
HG QR Chg Prec
WAPI4(20) 13.59 7174 -414 0.00 Ystday Avg LD18 Q: 72.5 Chg: -7.2
NWBI2(17) 12.68 114 -1 0.00 Ystday Avg LD16 Q: 65.8 Chg: -0.1
PCKI2(24) 19.27 37 0 0.00 Ystday Avg Trib Q: 7.9 Chg: -0.3
UNGAG 195 -7 Ystday Avg Stor Q: 0.1
----- ----- ------
Total 7520 -422 SPREAD -1.1
OMNI -- 6hr Change = 0.06 24hr Equivl = 0.24 Storage/FT Change = 168 6HR DELTA Pool = 40
FLOAT-- 6hr Change = 0.33 24hr Equivl = 1.32 Storage/FT Change = 168 6HR DELTA Pool = 221
P.T. -- 6hr Change = 0.35 24hr Equivl = 1.40 Storage/FT Change = 168 6HR DELTA Pool = 235
OMNI -- 8hr Change = 0.09 24hr Equivl = 0.27 Storage/FT Change = 168 8HR DELTA Pool = 45
FLOAT-- 8hr Change = 0.12 24hr Equivl = 0.36 Storage/FT Change = 168 8HR DELTA Pool = 60
P.T. -- 8hr Change = 0.13 24hr Equivl = 0.39 Storage/FT Change = 168 8HR DELTA Pool = 65
OMNI -- 12hr Change = 0.18 24hr Equivl = 0.36 Storage/FT Change = 168 12HR DELTA Pool = 60
FLOAT-- 12hr Change = 0.18 24hr Equivl = 0.36 Storage/FT Change = 168 12HR DELTA Pool = 60
P.T. -- 12hr Change = 0.20 24hr Equivl = 0.40 Storage/FT Change = 168 12HR DELTA Pool = 67
Balanced Gates Jacob Charts Rating Table
8.5 x 1.5 (4.2) 82.1 --> 62 x 15 (4.0) 69.4
14.5 x 3.5 (4.4) 84.9 --> 66 x 15 (4.4) 80.0
17.5 x 4.0 (4.6) 86.7 --> 70 x 16.5 (5.0) 90.0
22.0 x 5.0 (4.8) 88.6 --> 77 x 18 (6.0) 101.6
26.0 x 6.0 (5.0) 90.1 --> 82 x 19 (7.0) 113.2
28.0 x 7.0 (5.2) 92.9 --> 84 x 20 (8.0) 124.9
33.5 x 8.0 (5.4) 95.7 --> 89 x 21 (9.0) 141.8
37.5 x 9.0 (5.6) 98.6 --> 92 x 23 (10.0) 159.8
40.5 x 10.0 (5.8)101.5 --> 97 x 24 <-- Appendage (11.0) 178.7
45.5 x 11.0 (6.0)104.5 --> 101 x 25 <-- 24-27 (12.0) 198.2
48.0 x 12.0 (6.2)107.5 --> 104 x 25 <-- Significant (13.0) 218.0
54.0 x 13.0 (6.4)110.6 --> 106 x 26 <-- change in (14.0) 237.9
60.0 x 14.0 (6.6)113.7 --> 110 x 27 <-- flow (15.0) 257.8
63.0 x 15.0 (6.8)116.9 --> 116 x 27 <-- (16.0) 277.8
70.0 x 16.5 (7.0)120.1 --> 122 x 28 (17.0) 298.2
77.0 x 18.0 (7.2)123.3 --> 127 x 28 (18.0) 319.6
81.5 x 19.0 (7.4)126.6 --> 136 x 29 (19.0) 342.8
85.5 x 20.0 (7.6)130.0 --> 144 x 30 (20.0) 369.2
89.5 x 21.0 (7.8)133.3 --> 154 x 33 (21.0) 400.5
92.0 x 23.0 (8.0)136.8 --> 168 x 36 (22.0) 438.8
97.5 x 24.0 (8.2)140.2 --> 182 x 39 (23.0) 486.8
(8.4)143.7 --> 203 x 45 (23.5) 503.6
(8.6)147.2 --> 224 x 48
(8.8)150.7 --> 238 x 51