w
911VF = 13.0 knots
Table 3-10 Manuel Surge Computations at a Time Level Centered between t “ 31.5 Hours an
-,
« a
d t 4- At
15
- 33.0
16
■fours
17
18
19
20
1
Distance
Offshore
and
ût
2
Water
Depth
1
d.d
3
sin p
4
Initia
Water
Level
S,
5
Astro
Tide
S4
6
Presnoui
Wind
Setup
S,4S,
7
Previoui
Pressure
Setup
Sûp
8
Previous
Flux
V
Previous
Wind
Stress
b"
Radial
Distance
r, r
Wind
Angle
e.ë
Wind
Speed
W, W
RÆ
e-x/T
C w’ cos e W’ sin 6
Wind
Stress
Coef. k
A"*1 =
1.10 k
b"*1 -
1.10-k •
Line
•Col 16 •Col 17
(NM)
(ft. MLW)
(ft.)
(ft.)
(f«)
(ft.)
(mi’ /ht) (mi/hr.)’
(N.M.)
(degrees)
(mi/ht)
Eq. 3-71
(ft.)
(mi/hr.)1 (mi/hc)’
Eq. 3-59
(mi/ht)’ (mi/hr)1
77.0
Ax- 7.0
600.0
d-417.5 0.500
1.2
0.8
0.343
1.19
0.0870 0.0032
63.4
58.0
326.0
326.0
77.0
78.5 0.241 0.786
0.78
5110
-3447 2.70 X 10-* 0.0152 -0.0102 A
70.0
10.0
235°197.5 0.500
1.2
0.8
1.374
1.27
0.0801
0.0118
52648.1 326.0
326.0
80.0
83.3 0.291 0.747
0.92
5761
-3886 2.76 X 10-* 0.0175 -00118
B
60.0
10.0
1600
125.0 0.500
1.2
0.8
2.571
1.29
0.0519 0.0117
43539.6 326.0
326.0
86.6
91.8 0.353 0.702
1.09
7008
-4727 2.84 X 10’* 0.0219 -0.0148
C
50.0
10.0
90 0
71.0 0.500
1.2
0.8
3.812
1.27
0.0327 0.0130
35-732.5 326.0
326.0
97.0
103.0 0.430 0.650
1.28
8899
-5840 2.92 X 10'* 0 0286 -0.0187 D
40.0
10.0
52.0
46.0 0.500
1.2
0.8
5.256
1 27
00188 0.0093
29327.2 327.3
331.0
109.0
113.9 0.611 0.543
1.47
11368
-6247 2.97 X 10-* 0.0371 -0.0204
E
30.0
10.0
40.0
38.0 0.500
1 2
0.8
7.642
1.24
0.0178 0.0112
25.0
„
25.0
334.5
348.2
118.8
122.1 0.848 0.428
1.56
14240
-3313 3.00 X 10-* 0.0470 -0.0109
F
20 0 5.0
36 0 35.5
0.500
1.2
0.8
9.140
1.16
0.0185 0.0133
25 °26.0
2.0
1.0
125.5
126.2 0.642 0.526
1.51
15935
+275 3.01 X 10-* 0.0528 +0.0009 G
’5 ° 5.0
35 0 24.0
0.500
1.2
0.8
10.926
1.09
0.0140 0.0137
27°27.6
0.0
5.0
127.0
126.5 0.507 0.602
1.44
Î5882
1378 3.00 X 10’* 0.0524 +0.0045 H
’°° 5.0
’3° 12.5
0.500
1.2
0.8
13.146
1.01
0.0096 0.0160
28329.2
10.0
15.0
126.0
124.0 0.479 0.619
1.38
14810
3924 2.99 X 10-* 0.0487
0.0129
I
5 0 2.0
12.0
10.5 0.500
1.2
0.8
13.978
0.99
0.0089 0.0180
30-231.2
20.0
25.0
122.0
120.5 0.449 0.638
1.31
13125
6086 2.97 X 10-* 0.0470
0.0199
J
30 1.0
9.0 -
9.0 3.500
1.2
0.8
14.337
0.96
0.0087 0.0210
32332.9
30.0
40.0
119.0
118.0 0.425 0.654
1.26
10620
8783 2.96 X 10-* 0.0346
0.0286
K
20 1.0
9.0
6.0 3.500
1.2
0.8
14.601
0.94
0.0073 0.0239
33-634.1
50.0
60.0
117.0
115.7 0.410 0.664
1.22
6641
11403 2.95 X 10-* 0.0215
0 0370
L
1.0 .
1.0
3.0
1.5 3.500
1.2
0.8
14.672
0.92
0.0061
0.0237
70.0
80.0
114.5*
113.0 0.399 0.671
1.19
2242
12376 2.93 X 10"* 0.0072
0.0399
M
0.0
0.0
35.7
90.0
111.5f
NOTE Columns 6 through 9 are values evaluated at previous time level.
________ Columns 10, 11 and 12 are values taken from curves given in Figure 3-48.
STORM CHARA
Po =
CTER1ST
26.73 m
CS AND
ches of me
3THER BAS1
rcury
C INFOR MATION
• Wind reduced by a factor of 0.945 due to interférence with land mass,
t Wind reduced by a factor of 0.890 due to interférence with land mass.
P„ =
Ap =
29.92 mches of mercury
/P„ — Poj = 3.19 inches of mercury
R = 14.0 nautical miles
= 30° * sin <)> — 0.500 (assumed constant in this case)
K = 0.003
Wind stress correction factor = 1 10
911VF = 13.0 knots
Table 3-10 Manuel Surge Computations at a Time Level Centered between t “ 31.5 Hours an
-,
« a
d t 4- At
15
- 33.0
16
■fours
17
18
19
20
1
Distance
Offshore
and
ût
2
Water
Depth
1
d.d
3
sin p
4
Initia
Water
Level
S,
5
Astro
Tide
S4
6
Presnoui
Wind
Setup
S,4S,
7
Previoui
Pressure
Setup
Sûp
8
Previous
Flux
V
Previous
Wind
Stress
b"
Radial
Distance
r, r
Wind
Angle
e.ë
Wind
Speed
W, W
RÆ
e-x/T
C w’ cos e W’ sin 6
Wind
Stress
Coef. k
A"*1 =
1.10 k
b"*1 -
1.10-k •
Line
•Col 16 •Col 17
(NM)
(ft. MLW)
(ft.)
(ft.)
(f«)
(ft.)
(mi’ /ht) (mi/hr.)’
(N.M.)
(degrees)
(mi/ht)
Eq. 3-71
(ft.)
(mi/hr.)1 (mi/hc)’
Eq. 3-59
(mi/ht)’ (mi/hr)1
77.0
Ax- 7.0
600.0
d-417.5 0.500
1.2
0.8
0.343
1.19
0.0870 0.0032
63.4
58.0
326.0
326.0
77.0
78.5 0.241 0.786
0.78
5110
-3447 2.70 X 10-* 0.0152 -0.0102 A
70.0
10.0
235°197.5 0.500
1.2
0.8
1.374
1.27
0.0801
0.0118
52648.1 326.0
326.0
80.0
83.3 0.291 0.747
0.92
5761
-3886 2.76 X 10-* 0.0175 -00118
B
60.0
10.0
1600
125.0 0.500
1.2
0.8
2.571
1.29
0.0519 0.0117
43539.6 326.0
326.0
86.6
91.8 0.353 0.702
1.09
7008
-4727 2.84 X 10’* 0.0219 -0.0148
C
50.0
10.0
90 0
71.0 0.500
1.2
0.8
3.812
1.27
0.0327 0.0130
35-732.5 326.0
326.0
97.0
103.0 0.430 0.650
1.28
8899
-5840 2.92 X 10'* 0 0286 -0.0187 D
40.0
10.0
52.0
46.0 0.500
1.2
0.8
5.256
1 27
00188 0.0093
29327.2 327.3
331.0
109.0
113.9 0.611 0.543
1.47
11368
-6247 2.97 X 10-* 0.0371 -0.0204
E
30.0
10.0
40.0
38.0 0.500
1 2
0.8
7.642
1.24
0.0178 0.0112
25.0
„
25.0
334.5
348.2
118.8
122.1 0.848 0.428
1.56
14240
-3313 3.00 X 10-* 0.0470 -0.0109
F
20 0 5.0
36 0 35.5
0.500
1.2
0.8
9.140
1.16
0.0185 0.0133
25 °26.0
2.0
1.0
125.5
126.2 0.642 0.526
1.51
15935
+275 3.01 X 10-* 0.0528 +0.0009 G
’5 ° 5.0
35 0 24.0
0.500
1.2
0.8
10.926
1.09
0.0140 0.0137
27°27.6
0.0
5.0
127.0
126.5 0.507 0.602
1.44
Î5882
1378 3.00 X 10’* 0.0524 +0.0045 H
’°° 5.0
’3° 12.5
0.500
1.2
0.8
13.146
1.01
0.0096 0.0160
28329.2
10.0
15.0
126.0
124.0 0.479 0.619
1.38
14810
3924 2.99 X 10-* 0.0487
0.0129
I
5 0 2.0
12.0
10.5 0.500
1.2
0.8
13.978
0.99
0.0089 0.0180
30-231.2
20.0
25.0
122.0
120.5 0.449 0.638
1.31
13125
6086 2.97 X 10-* 0.0470
0.0199
J
30 1.0
9.0 -
9.0 3.500
1.2
0.8
14.337
0.96
0.0087 0.0210
32332.9
30.0
40.0
119.0
118.0 0.425 0.654
1.26
10620
8783 2.96 X 10-* 0.0346
0.0286
K
20 1.0
9.0
6.0 3.500
1.2
0.8
14.601
0.94
0.0073 0.0239
33-634.1
50.0
60.0
117.0
115.7 0.410 0.664
1.22
6641
11403 2.95 X 10-* 0.0215
0 0370
L
1.0 .
1.0
3.0
1.5 3.500
1.2
0.8
14.672
0.92
0.0061
0.0237
70.0
80.0
114.5*
113.0 0.399 0.671
1.19
2242
12376 2.93 X 10"* 0.0072
0.0399
M
0.0
0.0
35.7
90.0
111.5f
NOTE Columns 6 through 9 are values evaluated at previous time level.
________ Columns 10, 11 and 12 are values taken from curves given in Figure 3-48.
STORM CHARA
Po =
CTER1ST
26.73 m
CS AND
ches of me
3THER BAS1
rcury
C INFOR MATION
• Wind reduced by a factor of 0.945 due to interférence with land mass,
t Wind reduced by a factor of 0.890 due to interférence with land mass.
P„ =
Ap =
29.92 mches of mercury
/P„ — Poj = 3.19 inches of mercury
R = 14.0 nautical miles
K = 0.003
Wind stress correction factor = 1 10