L&D14 6am Report FRIDAY 10 APR 2026
LockMaster: Bradley (Brad) Hank Flat Pool = 14.9 Flat Tail = 3.9 River Mile = 493.3
Asst: Christopher (Chris) Purdy DA = 88,400 mi^2 UNG LOC DA = 560 mi^2 %UNG LOC = 19%
Phone: (563) 332-0907 or (4357) Flood Stage = 11 Lock Closed = 14 Top of Lock = 20.4
13 NonSubmrg Tainters (60') Gates #1-4, 9-17 LD13(2hr) <- LD14 -> LD15(~3hr) Top of Spillway = N/A
4 Submrg Rollers (100') Gates #5,6,7,8 Out of Operation = 11.5' = 172,000 cfs Swell Head = 2.1
Max Submrg Setting = -12.0 Rollers = variable cfs Gage Zero = 557.08 TW cntrl > 9.0' GATE cntrl < 8.5'
6am Maximum Permissible Feet of Bulkhead = 0 Record Flood Stage = 17.75 in Apr 1965
M I 1 4 L E C 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: 14.87 7.88 61.0 26.0 101.8 1.06 1.42 14.87 7.88 14.87 7.89 10 W 14 65 49 0.00
0100: 14.91 7.89 61.0 26.0 102.1 1.07 1.42 14.93 7.87 14.92 7.88 5 NW 8 59 49 0.00
0200: 14.96 7.90 61.0 26.0 102.3 1.07 1.43 14.96 7.90 14.95 7.91 2 NW 5 57 49 0.00
0300: 14.97 7.90 61.0 26.0 102.4 1.07 1.43 14.98 7.89 14.97 7.90 1 SW 2 54 49 0.00
0400: 14.99 7.90 61.0 26.0 102.5 1.07 1.43 14.99 7.90 14.99 7.92 1 W 2 52 49 0.00
0500: 14.98 7.88 61.0 26.0 102.6 1.07 1.43 15.00 7.89 15.00 7.91 1 SE 3 50 49 0.00
0600: 14.97 7.87 61.0 26.0 102.6 1.07 1.43 14.97 7.84 14.97 7.86 0 SW 2 49 49 0.00 0.00
0700: 14.99 7.86 61.0 26.0 102.8 1.07 1.43 15.01 7.85 15.01 7.87 0 SW 0 50 49 0.00
0800: 15.01 7.85 61.0 26.0 103.0 1.08 1.44 15.01 7.85 15.01 7.86 2 SW 3 53 49 0.00
0900: 15.03 7.86 61.0 26.0 103.1 1.08 1.44 15.02 7.87 15.02 7.87 7 NW 10 54 50 0.00
1000: 15.04 7.86 61.0 26.0 103.2 1.08 1.44 15.03 7.85 15.03 7.88 5 NW 7 55 50 0.00
1100: 15.02 7.89 61.0 26.0 104.0 1.07 1.43 15.04 7.87 15.04 7.88 4 NW 7 58 50 0.00
1200: 15.00 7.92 64.0 26.0 104.9 1.06 1.42 14.99 7.92 15.00 7.95 5 N 8 59 51 0.00 0.00
1300: 14.95 7.93 64.0 26.0 104.8 1.06 1.42 14.92 7.93 14.93 7.96 3 NW 7 63 51 0.00
1400: 14.90 7.94 64.0 26.0 104.6 1.06 1.42 14.90 7.94 14.89 7.95 4 SE 5 63 51 0.00
1500: 14.89 7.94 64.0 26.0 104.6 1.06 1.42 14.88 7.93 14.88 7.96 2 SW 2 64 52 0.00
1600: 14.89 7.94 64.0 26.0 104.5 1.06 1.42 14.89 7.94 14.88 7.96 0 W 1 64 52 0.00
1700: 14.88 7.93 64.0 26.0 104.5 1.06 1.41 14.88 8.02 14.88 8.04 3 NW 5 62 51 0.00
1800: 14.86 7.93 64.0 26.0 104.4 1.06 1.41 14.87 7.91 14.87 7.93 3 N 5 58 51 0.00 0.00
1900: 14.88 7.92 64.0 26.0 104.6 1.06 1.42 14.89 7.92 14.88 7.94 8 N 9 55 51 0.00
2000: 14.90 7.91 64.0 26.0 104.8 1.06 1.42 14.90 7.93 14.89 7.95 6 NE 8 51 51 0.03
2100: 14.90 7.92 64.0 26.0 104.8 1.06 1.42 14.91 7.93 14.90 7.95 5 NE 6 51 51 0.02
2200: 14.91 7.92 64.0 26.0 104.8 1.06 1.42 14.91 7.93 14.90 7.94 6 NE 8 51 51 0.01
2300: 14.95 7.92 64.0 26.0 105.1 1.06 1.42 14.94 7.97 14.93 7.99 6 N 14 50 51 0.12
2400: 14.98 7.93 64.0 26.0 105.3 1.07 1.43 14.98 7.93 14.97 7.96 6 NE 7 50 51 0.30 0.48
0100: 15.02 7.98 64.0 26.0 105.2 1.07 1.42 15.03 7.98 15.03 8.00 4 SE 8 50 51 0.42
0200: 15.06 8.03 64.0 26.0 105.2 1.06 1.42 15.06 8.03 15.06 8.05 6 E 8 50 51 0.19
0300: 15.08 8.04 64.0 26.0 105.2 1.07 1.42 15.08 8.04 15.08 8.06 3 NE 5 51 51 0.00
0400: 15.10 8.05 64.0 26.0 105.3 1.07 1.43 15.10 8.05 15.09 8.07 7 N 9 49 51 0.00
0500: 15.13 8.06 64.0 26.0 105.4 1.07 1.43 15.13 8.07 15.12 8.09 8 N 14 48 51 0.01
0600: 15.16 8.08 64.0 26.0 105.6 1.07 1.43 15.16 8.06 15.15 8.09 8 N 15 46 51 0.00 0.62
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1.10
HG QR Chg Prec
DEWI4(11) 11.58 6917 620 1.24 Ystday Avg LD14 Q: 103.7 Chg: 0.9
UNGAGED _____ _____ Ystday Avg LD13 Q: 96.5 Chg: 0.5
Ystday Avg Trib Q: _____ Chg: _____
Ystday Avg Stor Q: 0.0
----- ----- ------
Total 6917 620 SPREAD 7.2
OMNI -- 6hr Change = 0.18 24hr Equivl = 0.72 Storage/FT Change = 0 6HR DELTA Pool = 0
FLOAT-- 6hr Change = 0.18 24hr Equivl = 0.72 Storage/FT Change = 0 6HR DELTA Pool = 0
P.T. -- 6hr Change = 0.18 24hr Equivl = 0.72 Storage/FT Change = 0 6HR DELTA Pool = 0
OMNI -- 8hr Change = 0.25 24hr Equivl = 0.75 Storage/FT Change = 0 8HR DELTA Pool = 0
FLOAT-- 8hr Change = 0.25 24hr Equivl = 0.75 Storage/FT Change = 0 8HR DELTA Pool = 0
P.T. -- 8hr Change = 0.25 24hr Equivl = 0.75 Storage/FT Change = 0 8HR DELTA Pool = 0
OMNI -- 12hr Change = 0.30 24hr Equivl = 0.60 Storage/FT Change = 0 12HR DELTA Pool = 0
FLOAT-- 12hr Change = 0.29 24hr Equivl = 0.58 Storage/FT Change = 0 12HR DELTA Pool = 0
P.T. -- 12hr Change = 0.28 24hr Equivl = 0.56 Storage/FT Change = 0 12HR DELTA Pool = 0
Balanced Gates Jacob Charts Rating Table
6.5 x 2.0 (8.4) 112.0 --> 70 x 30 (8.5)111000
10.5 x 4.0 (8.6) 115.8 --> 71 x 31 (9.0)122000
11.5 x 6.0 (8.8) 118.0 --> 73 x 32 <-- (9.4)130000
13.0 x 7.5 (9.0) 121.8 --> 77 x 32 <-- (10.0)142000
16.0 x 8.0 (9.2) 125.5 --> 81 x 32 <-- (11.0)162500
17.0 x 9.5 (9.4) 129.6 --> 90 x 32 <-- (12.0)183000
18.0 x 11.5 (9.6) 133.7 --> 100 x 32 <-- (13.0)211000
21.0 x 12.0 (9.8) 137.8 --> 109 x 34 <-- Appendage 32-36 (14.0)228500
24.5 x 12.5 (10.0)141.9 --> 123 x 36 <-- (15.0)243800
26.0 x 13.5 (10.2)146.0 --> 126 x 36 <-- (16.0)257300
29.5 x 14.0 (10.4)150.0 --> 133 x 40 (17.0)272100
31.0 x 15.5 (10.6)154.2 --> 139 x 44 (18.0)287200
34.0 x 16.0 (10.8)158.1 --> 156 x 48 (19.0)303900
35.5 x 17.5 (11.0)162.4 --> 169 x 52 (20.0)324400
39.0 x 18.0 (11.2)166.3 --> 182 x 52 (21.0)345200
41.0 x 19.5 (11.4)170.3 --> 182 x 56 (22.0)371400
47.0 x 21.5 (23.0)401000
55.0 x 24.0 (23.5)414900
61.0 x 26.0
69.0 x 29.0
73.0 x 32.0
82.5 x 35.0
92.5 x 36.0