Validation of sea ice concentration
Bulletin date: 2012-11-15
Model vs. observations, sea ice class contingency tables
Date: 2012-11-09:
| 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 |
19402 |
7270 |
926 |
155 |
109 |
115 |
0 |
0 |
| OW |
19 |
423 |
430 |
77 |
55 |
37 |
0 |
0 |
| VODI |
6 |
6 |
168 |
130 |
75 |
43 |
1 |
0 |
| ODI |
13 |
0 |
44 |
132 |
117 |
63 |
2 |
0 |
| CDI |
10 |
0 |
18 |
52 |
132 |
119 |
39 |
0 |
| VCDI |
0 |
0 |
2 |
31 |
102 |
584 |
3853 |
2659 |
|
...date precedes bulletin
|
Date: 2012-11-13:
| 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 |
19321 |
8079 |
827 |
182 |
149 |
84 |
0 |
0 |
| OW |
25 |
45 |
162 |
128 |
36 |
32 |
0 |
0 |
| VODI |
5 |
9 |
35 |
141 |
100 |
50 |
1 |
0 |
| ODI |
7 |
1 |
6 |
74 |
105 |
101 |
13 |
0 |
| CDI |
11 |
0 |
6 |
39 |
129 |
183 |
76 |
0 |
| VCDI |
8 |
0 |
2 |
19 |
51 |
518 |
3855 |
2804 |
|
...date precedes bulletin
|
Date: 2012-11-15:
| 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 |
19194 |
7814 |
500 |
130 |
61 |
107 |
0 |
0 |
| OW |
34 |
342 |
333 |
98 |
26 |
38 |
0 |
0 |
| VODI |
1 |
62 |
173 |
185 |
80 |
40 |
0 |
0 |
| ODI |
0 |
6 |
41 |
98 |
120 |
75 |
6 |
0 |
| CDI |
0 |
2 |
16 |
43 |
183 |
169 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
109 |
446 |
4256 |
2549 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19229 |
8163 |
878 |
243 |
89 |
157 |
0 |
0 |
| OW |
0 |
27 |
59 |
66 |
39 |
23 |
0 |
0 |
| VODI |
0 |
26 |
69 |
100 |
71 |
34 |
2 |
0 |
| ODI |
0 |
9 |
35 |
77 |
81 |
46 |
8 |
0 |
| CDI |
0 |
0 |
16 |
53 |
123 |
150 |
60 |
0 |
| VCDI |
0 |
1 |
6 |
40 |
176 |
465 |
4249 |
2549 |
|
Date: 2012-11-19:
| 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 |
18306 |
8299 |
753 |
334 |
109 |
154 |
0 |
0 |
| OW |
0 |
91 |
111 |
122 |
82 |
71 |
0 |
0 |
| VODI |
0 |
9 |
78 |
117 |
155 |
261 |
0 |
0 |
| ODI |
0 |
1 |
30 |
32 |
63 |
329 |
50 |
0 |
| CDI |
0 |
0 |
6 |
36 |
72 |
227 |
206 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
54 |
438 |
3318 |
3485 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18306 |
8300 |
735 |
351 |
188 |
365 |
0 |
0 |
| OW |
0 |
38 |
48 |
71 |
45 |
102 |
0 |
0 |
| VODI |
0 |
36 |
58 |
69 |
43 |
102 |
0 |
0 |
| ODI |
0 |
13 |
44 |
53 |
40 |
126 |
12 |
0 |
| CDI |
0 |
11 |
40 |
32 |
44 |
150 |
141 |
0 |
| VCDI |
0 |
2 |
53 |
85 |
175 |
635 |
3421 |
3485 |
|
Date: 2012-11-21:
| 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 |
18188 |
8058 |
509 |
146 |
59 |
104 |
0 |
0 |
| OW |
1 |
159 |
273 |
143 |
50 |
72 |
0 |
0 |
| VODI |
0 |
39 |
183 |
206 |
121 |
137 |
0 |
0 |
| ODI |
0 |
11 |
25 |
93 |
178 |
248 |
17 |
0 |
| CDI |
0 |
4 |
13 |
51 |
60 |
366 |
81 |
0 |
| VCDI |
0 |
0 |
2 |
49 |
115 |
630 |
3561 |
3467 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18189 |
8116 |
755 |
297 |
165 |
299 |
0 |
0 |
| OW |
0 |
67 |
66 |
36 |
41 |
74 |
0 |
0 |
| VODI |
0 |
41 |
81 |
86 |
63 |
132 |
0 |
0 |
| ODI |
0 |
21 |
48 |
70 |
73 |
130 |
13 |
0 |
| CDI |
0 |
19 |
24 |
66 |
67 |
193 |
54 |
0 |
| VCDI |
0 |
7 |
31 |
133 |
174 |
729 |
3592 |
3467 |
|
Date: 2012-11-23:
| 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 |
17777 |
7797 |
454 |
177 |
28 |
8 |
62 |
0 |
| OW |
3 |
269 |
203 |
189 |
134 |
27 |
34 |
0 |
| VODI |
0 |
121 |
217 |
166 |
218 |
74 |
22 |
0 |
| ODI |
0 |
3 |
79 |
116 |
176 |
198 |
14 |
0 |
| CDI |
0 |
0 |
15 |
89 |
128 |
387 |
51 |
0 |
| VCDI |
0 |
0 |
2 |
23 |
82 |
810 |
3474 |
3792 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17774 |
7986 |
713 |
385 |
351 |
132 |
113 |
0 |
| OW |
5 |
94 |
62 |
47 |
50 |
66 |
4 |
0 |
| VODI |
1 |
66 |
68 |
78 |
65 |
116 |
6 |
0 |
| ODI |
0 |
21 |
48 |
64 |
67 |
211 |
7 |
0 |
| CDI |
0 |
16 |
30 |
75 |
84 |
242 |
34 |
5 |
| VCDI |
0 |
7 |
49 |
111 |
149 |
737 |
3493 |
3787 |
|
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