Validation of sea ice concentration
Bulletin date: 2016-10-20
Model vs. observations, sea ice class contingency tables
Date: 2016-10-14:
| 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 |
24187 |
5168 |
468 |
311 |
119 |
16 |
0 |
0 |
| OW |
0 |
33 |
38 |
68 |
66 |
18 |
1 |
0 |
| VODI |
0 |
3 |
60 |
95 |
114 |
57 |
3 |
0 |
| ODI |
0 |
3 |
6 |
29 |
73 |
117 |
32 |
0 |
| CDI |
0 |
0 |
6 |
17 |
49 |
282 |
159 |
0 |
| VCDI |
0 |
0 |
1 |
3 |
39 |
292 |
3323 |
2903 |
|
...date precedes bulletin
|
Date: 2016-10-18:
| 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 |
23224 |
5406 |
811 |
345 |
144 |
24 |
4 |
0 |
| OW |
0 |
1 |
69 |
66 |
96 |
30 |
11 |
0 |
| VODI |
0 |
0 |
43 |
79 |
74 |
52 |
17 |
0 |
| ODI |
0 |
0 |
13 |
39 |
79 |
100 |
39 |
0 |
| CDI |
0 |
0 |
0 |
9 |
104 |
204 |
187 |
4 |
| VCDI |
0 |
0 |
0 |
21 |
106 |
119 |
2772 |
3867 |
|
...date precedes bulletin
|
Date: 2016-10-20:
| 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 |
23525 |
5438 |
517 |
298 |
66 |
26 |
1 |
0 |
| OW |
0 |
22 |
43 |
78 |
82 |
28 |
9 |
0 |
| VODI |
0 |
12 |
21 |
67 |
110 |
65 |
20 |
0 |
| ODI |
0 |
3 |
4 |
43 |
76 |
109 |
34 |
0 |
| CDI |
0 |
0 |
2 |
13 |
100 |
192 |
164 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
247 |
3367 |
3361 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23525 |
5434 |
523 |
295 |
70 |
28 |
2 |
0 |
| OW |
0 |
23 |
28 |
83 |
67 |
26 |
6 |
0 |
| VODI |
0 |
15 |
28 |
65 |
113 |
63 |
21 |
0 |
| ODI |
0 |
3 |
6 |
43 |
77 |
110 |
38 |
0 |
| CDI |
0 |
0 |
2 |
13 |
109 |
182 |
184 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
258 |
3344 |
3361 |
|
Date: 2016-10-24:
| 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 |
23751 |
5063 |
608 |
220 |
49 |
6 |
11 |
0 |
| OW |
2 |
12 |
62 |
118 |
67 |
31 |
5 |
0 |
| VODI |
0 |
6 |
40 |
72 |
116 |
74 |
21 |
0 |
| ODI |
0 |
2 |
4 |
20 |
101 |
110 |
67 |
0 |
| CDI |
0 |
0 |
6 |
12 |
56 |
122 |
299 |
3 |
| VCDI |
0 |
0 |
0 |
5 |
35 |
150 |
2914 |
3919 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23753 |
5040 |
562 |
189 |
55 |
7 |
11 |
0 |
| OW |
0 |
26 |
76 |
66 |
35 |
22 |
3 |
0 |
| VODI |
0 |
13 |
46 |
110 |
74 |
50 |
15 |
0 |
| ODI |
0 |
2 |
24 |
45 |
88 |
88 |
37 |
0 |
| CDI |
0 |
2 |
12 |
21 |
100 |
89 |
161 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
72 |
237 |
3090 |
3922 |
|
Date: 2016-10-26:
| 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 |
23317 |
5504 |
640 |
209 |
59 |
39 |
14 |
0 |
| OW |
0 |
10 |
94 |
84 |
48 |
35 |
7 |
0 |
| VODI |
0 |
4 |
44 |
76 |
86 |
93 |
8 |
0 |
| ODI |
0 |
1 |
11 |
35 |
72 |
120 |
41 |
0 |
| CDI |
0 |
0 |
5 |
10 |
77 |
196 |
274 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
190 |
3201 |
3534 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23317 |
5453 |
567 |
152 |
42 |
31 |
15 |
0 |
| OW |
0 |
52 |
94 |
70 |
28 |
20 |
7 |
0 |
| VODI |
0 |
11 |
76 |
96 |
59 |
62 |
8 |
0 |
| ODI |
0 |
2 |
32 |
52 |
80 |
109 |
25 |
0 |
| CDI |
0 |
1 |
22 |
38 |
77 |
181 |
164 |
0 |
| VCDI |
0 |
0 |
3 |
6 |
77 |
270 |
3326 |
3534 |
|
Date: 2016-10-28:
| 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 |
23617 |
5521 |
422 |
144 |
58 |
61 |
14 |
0 |
| OW |
0 |
65 |
122 |
64 |
37 |
40 |
12 |
0 |
| VODI |
0 |
13 |
59 |
87 |
80 |
76 |
25 |
0 |
| ODI |
0 |
4 |
22 |
41 |
61 |
101 |
62 |
0 |
| CDI |
0 |
0 |
1 |
31 |
88 |
142 |
229 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
48 |
232 |
3413 |
3161 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23613 |
5364 |
337 |
81 |
27 |
36 |
11 |
0 |
| OW |
4 |
113 |
76 |
47 |
31 |
13 |
4 |
0 |
| VODI |
0 |
71 |
92 |
56 |
57 |
48 |
13 |
0 |
| ODI |
0 |
27 |
53 |
67 |
32 |
80 |
36 |
0 |
| CDI |
0 |
27 |
52 |
80 |
82 |
106 |
179 |
12 |
| VCDI |
0 |
1 |
16 |
42 |
143 |
369 |
3512 |
3149 |
|
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