Validation of sea ice concentration
Bulletin date: 2016-10-06
Model vs. observations, sea ice class contingency tables
Date: 2016-09-30:
| 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 |
24860 |
5034 |
630 |
324 |
50 |
6 |
0 |
0 |
| OW |
0 |
15 |
67 |
72 |
56 |
28 |
1 |
0 |
| VODI |
0 |
0 |
52 |
48 |
73 |
99 |
19 |
0 |
| ODI |
0 |
0 |
17 |
33 |
85 |
129 |
77 |
0 |
| CDI |
0 |
0 |
7 |
10 |
54 |
162 |
238 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
41 |
213 |
3827 |
1829 |
|
...date precedes bulletin
|
Date: 2016-10-04:
| 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 |
25808 |
4450 |
388 |
204 |
73 |
5 |
1 |
0 |
| OW |
0 |
19 |
54 |
74 |
85 |
19 |
0 |
0 |
| VODI |
0 |
0 |
19 |
58 |
141 |
52 |
3 |
0 |
| ODI |
0 |
0 |
6 |
20 |
115 |
123 |
19 |
0 |
| CDI |
0 |
0 |
1 |
14 |
115 |
201 |
231 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
40 |
303 |
3219 |
2295 |
|
...date precedes bulletin
|
Date: 2016-10-06:
| 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 |
24789 |
5022 |
730 |
211 |
63 |
14 |
1 |
0 |
| OW |
0 |
28 |
73 |
79 |
69 |
44 |
0 |
0 |
| VODI |
0 |
15 |
43 |
76 |
89 |
83 |
6 |
0 |
| ODI |
0 |
0 |
9 |
30 |
63 |
123 |
51 |
0 |
| CDI |
0 |
0 |
4 |
17 |
79 |
173 |
262 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
59 |
169 |
2897 |
2785 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24789 |
5025 |
764 |
237 |
86 |
24 |
1 |
0 |
| OW |
0 |
19 |
45 |
71 |
68 |
48 |
0 |
0 |
| VODI |
0 |
21 |
30 |
58 |
91 |
87 |
11 |
0 |
| ODI |
0 |
0 |
16 |
24 |
43 |
119 |
54 |
0 |
| CDI |
0 |
0 |
4 |
23 |
86 |
156 |
262 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
48 |
172 |
2889 |
2785 |
|
Date: 2016-10-10:
| 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 |
24765 |
5110 |
451 |
166 |
25 |
2 |
0 |
0 |
| OW |
0 |
70 |
110 |
75 |
72 |
9 |
0 |
0 |
| VODI |
0 |
4 |
33 |
72 |
108 |
51 |
9 |
0 |
| ODI |
0 |
0 |
5 |
15 |
86 |
165 |
64 |
0 |
| CDI |
0 |
0 |
4 |
8 |
53 |
219 |
356 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
259 |
3027 |
2755 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24765 |
5121 |
507 |
196 |
80 |
18 |
0 |
0 |
| OW |
0 |
22 |
32 |
49 |
48 |
47 |
7 |
0 |
| VODI |
0 |
24 |
25 |
37 |
74 |
105 |
22 |
0 |
| ODI |
0 |
12 |
19 |
20 |
71 |
109 |
72 |
0 |
| CDI |
0 |
5 |
19 |
21 |
55 |
118 |
223 |
0 |
| VCDI |
0 |
0 |
1 |
13 |
27 |
308 |
3132 |
2755 |
|
Date: 2016-10-12:
| 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 |
23922 |
5656 |
493 |
228 |
45 |
3 |
1 |
0 |
| OW |
0 |
46 |
96 |
84 |
59 |
11 |
0 |
0 |
| VODI |
0 |
18 |
43 |
112 |
103 |
42 |
4 |
0 |
| ODI |
0 |
1 |
9 |
43 |
83 |
135 |
9 |
0 |
| CDI |
0 |
2 |
2 |
16 |
75 |
255 |
256 |
0 |
| VCDI |
0 |
0 |
1 |
7 |
15 |
412 |
4649 |
1223 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23922 |
5656 |
558 |
291 |
100 |
19 |
0 |
0 |
| OW |
0 |
26 |
26 |
61 |
47 |
41 |
5 |
0 |
| VODI |
0 |
22 |
19 |
56 |
85 |
83 |
17 |
0 |
| ODI |
0 |
8 |
19 |
23 |
54 |
126 |
44 |
0 |
| CDI |
0 |
11 |
17 |
44 |
59 |
144 |
197 |
0 |
| VCDI |
0 |
0 |
5 |
15 |
35 |
445 |
4656 |
1223 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24187 |
5172 |
501 |
302 |
131 |
41 |
2 |
0 |
| OW |
0 |
17 |
41 |
64 |
68 |
28 |
2 |
0 |
| VODI |
0 |
11 |
18 |
72 |
92 |
65 |
5 |
0 |
| ODI |
0 |
4 |
4 |
40 |
55 |
133 |
39 |
0 |
| CDI |
0 |
3 |
12 |
37 |
50 |
207 |
119 |
0 |
| VCDI |
0 |
0 |
3 |
8 |
64 |
308 |
3351 |
2903 |
|
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