Validation of sea ice concentration
Bulletin date: 2017-10-12
Model vs. observations, sea ice class contingency tables
Date: 2017-10-06:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24748 |
5522 |
729 |
335 |
133 |
42 |
5 |
0 |
| OW |
0 |
10 |
53 |
89 |
39 |
46 |
10 |
0 |
| VODI |
0 |
0 |
28 |
72 |
71 |
92 |
23 |
0 |
| ODI |
0 |
0 |
0 |
13 |
49 |
109 |
79 |
0 |
| CDI |
0 |
0 |
0 |
12 |
35 |
147 |
264 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
34 |
260 |
2521 |
2588 |
|
...date precedes bulletin
|
Date: 2017-10-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23759 |
5607 |
945 |
306 |
202 |
117 |
6 |
0 |
| OW |
1 |
0 |
52 |
73 |
111 |
76 |
14 |
0 |
| VODI |
0 |
0 |
9 |
26 |
52 |
143 |
64 |
0 |
| ODI |
0 |
0 |
0 |
13 |
18 |
90 |
161 |
0 |
| CDI |
0 |
0 |
0 |
1 |
9 |
68 |
485 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
107 |
2046 |
3598 |
|
...date precedes bulletin
|
Date: 2017-10-12:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24009 |
5737 |
517 |
300 |
188 |
62 |
6 |
0 |
| OW |
0 |
10 |
37 |
81 |
95 |
49 |
18 |
0 |
| VODI |
0 |
1 |
11 |
43 |
80 |
120 |
52 |
0 |
| ODI |
0 |
0 |
6 |
9 |
13 |
114 |
134 |
0 |
| CDI |
0 |
0 |
0 |
4 |
9 |
86 |
409 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
102 |
2297 |
3558 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24009 |
5734 |
511 |
299 |
191 |
53 |
10 |
0 |
| OW |
0 |
12 |
42 |
79 |
94 |
55 |
9 |
0 |
| VODI |
0 |
2 |
14 |
45 |
75 |
133 |
59 |
0 |
| ODI |
0 |
0 |
4 |
11 |
16 |
104 |
130 |
0 |
| CDI |
0 |
0 |
0 |
3 |
9 |
87 |
369 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
101 |
2339 |
3558 |
|
Date: 2017-10-16:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23312 |
6583 |
610 |
297 |
106 |
32 |
9 |
0 |
| OW |
0 |
82 |
109 |
179 |
62 |
26 |
3 |
0 |
| VODI |
0 |
5 |
64 |
94 |
96 |
61 |
19 |
0 |
| ODI |
0 |
1 |
4 |
39 |
37 |
161 |
66 |
0 |
| CDI |
0 |
0 |
1 |
2 |
20 |
237 |
372 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
8 |
477 |
2952 |
2032 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23312 |
6549 |
557 |
261 |
79 |
15 |
5 |
0 |
| OW |
0 |
85 |
102 |
131 |
66 |
28 |
5 |
0 |
| VODI |
0 |
36 |
79 |
121 |
85 |
49 |
18 |
0 |
| ODI |
0 |
1 |
43 |
58 |
42 |
97 |
33 |
0 |
| CDI |
0 |
0 |
7 |
36 |
35 |
201 |
144 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
22 |
604 |
3216 |
2032 |
|
Date: 2017-10-18:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23545 |
6153 |
498 |
268 |
161 |
85 |
25 |
0 |
| OW |
0 |
119 |
49 |
122 |
94 |
69 |
30 |
0 |
| VODI |
0 |
51 |
67 |
126 |
66 |
122 |
48 |
0 |
| ODI |
0 |
3 |
9 |
32 |
36 |
122 |
93 |
0 |
| CDI |
0 |
0 |
2 |
13 |
14 |
121 |
431 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
9 |
326 |
3348 |
1901 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23545 |
6184 |
476 |
235 |
121 |
58 |
17 |
0 |
| OW |
0 |
97 |
82 |
151 |
90 |
67 |
24 |
0 |
| VODI |
0 |
34 |
38 |
73 |
77 |
111 |
57 |
0 |
| ODI |
0 |
9 |
14 |
62 |
50 |
105 |
77 |
0 |
| CDI |
0 |
2 |
13 |
37 |
23 |
151 |
219 |
0 |
| VCDI |
0 |
0 |
2 |
4 |
19 |
353 |
3581 |
1901 |
|
Date: 2017-10-20:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22899 |
6115 |
758 |
243 |
146 |
112 |
21 |
0 |
| OW |
0 |
68 |
132 |
168 |
127 |
144 |
12 |
0 |
| VODI |
0 |
4 |
56 |
163 |
108 |
197 |
38 |
0 |
| ODI |
0 |
0 |
8 |
30 |
45 |
198 |
64 |
0 |
| CDI |
0 |
0 |
2 |
8 |
21 |
185 |
357 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
225 |
2516 |
2984 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22899 |
6103 |
778 |
338 |
185 |
105 |
6 |
0 |
| OW |
0 |
64 |
108 |
142 |
88 |
118 |
2 |
0 |
| VODI |
0 |
20 |
47 |
77 |
90 |
174 |
41 |
0 |
| ODI |
0 |
0 |
16 |
39 |
44 |
168 |
63 |
0 |
| CDI |
0 |
0 |
7 |
14 |
36 |
193 |
214 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
9 |
303 |
2682 |
2984 |
|
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