Validation of sea ice concentration
Bulletin date: 2012-11-22
Model vs. observations, sea ice class contingency tables
Date: 2012-11-16:
| 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 |
18763 |
7899 |
499 |
158 |
27 |
132 |
0 |
0 |
| OW |
4 |
450 |
314 |
115 |
69 |
52 |
0 |
0 |
| VODI |
0 |
90 |
208 |
201 |
68 |
83 |
0 |
0 |
| ODI |
0 |
3 |
26 |
120 |
113 |
112 |
10 |
0 |
| CDI |
0 |
2 |
20 |
26 |
80 |
314 |
51 |
0 |
| VCDI |
0 |
0 |
5 |
26 |
22 |
548 |
4314 |
2495 |
|
...date precedes bulletin
|
Date: 2012-11-20:
| 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 |
18098 |
8303 |
565 |
286 |
108 |
119 |
0 |
0 |
| OW |
0 |
201 |
169 |
144 |
93 |
82 |
0 |
0 |
| VODI |
0 |
52 |
73 |
116 |
171 |
173 |
0 |
0 |
| ODI |
0 |
4 |
35 |
57 |
136 |
285 |
9 |
0 |
| CDI |
0 |
1 |
12 |
45 |
55 |
358 |
91 |
0 |
| VCDI |
0 |
0 |
3 |
36 |
88 |
559 |
3494 |
3398 |
|
...date precedes bulletin
|
Date: 2012-11-22:
| 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 |
18248 |
7855 |
418 |
82 |
36 |
31 |
17 |
0 |
| OW |
2 |
261 |
313 |
110 |
24 |
31 |
17 |
0 |
| VODI |
0 |
71 |
281 |
227 |
123 |
61 |
12 |
0 |
| ODI |
0 |
9 |
61 |
147 |
213 |
153 |
21 |
0 |
| CDI |
0 |
6 |
30 |
95 |
94 |
268 |
76 |
0 |
| VCDI |
0 |
0 |
2 |
48 |
164 |
660 |
3589 |
3563 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18250 |
8116 |
776 |
213 |
93 |
74 |
36 |
0 |
| OW |
0 |
43 |
117 |
94 |
48 |
30 |
8 |
0 |
| VODI |
0 |
28 |
135 |
120 |
85 |
57 |
4 |
0 |
| ODI |
0 |
8 |
49 |
118 |
90 |
106 |
12 |
0 |
| CDI |
0 |
7 |
20 |
90 |
155 |
212 |
75 |
0 |
| VCDI |
0 |
0 |
8 |
74 |
183 |
725 |
3597 |
3563 |
|
Date: 2012-11-26:
| 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 |
17758 |
7893 |
771 |
231 |
43 |
12 |
30 |
0 |
| OW |
2 |
70 |
202 |
169 |
126 |
67 |
31 |
0 |
| VODI |
0 |
11 |
73 |
124 |
237 |
176 |
53 |
0 |
| ODI |
0 |
0 |
34 |
27 |
177 |
345 |
78 |
0 |
| CDI |
0 |
0 |
24 |
37 |
55 |
653 |
234 |
5 |
| VCDI |
0 |
0 |
1 |
25 |
19 |
334 |
3385 |
3907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17760 |
7791 |
618 |
212 |
213 |
174 |
97 |
0 |
| OW |
0 |
86 |
113 |
48 |
32 |
44 |
9 |
0 |
| VODI |
0 |
57 |
139 |
104 |
73 |
81 |
17 |
0 |
| ODI |
0 |
19 |
94 |
79 |
103 |
88 |
22 |
0 |
| CDI |
0 |
21 |
101 |
93 |
146 |
249 |
138 |
10 |
| VCDI |
0 |
0 |
40 |
77 |
90 |
951 |
3528 |
3902 |
|
Date: 2012-11-28:
| 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 |
17611 |
7510 |
425 |
136 |
38 |
4 |
19 |
0 |
| OW |
1 |
537 |
295 |
132 |
38 |
23 |
28 |
0 |
| VODI |
0 |
91 |
245 |
256 |
139 |
97 |
49 |
2 |
| ODI |
0 |
8 |
65 |
126 |
212 |
263 |
88 |
24 |
| CDI |
0 |
0 |
17 |
66 |
169 |
360 |
295 |
79 |
| VCDI |
0 |
0 |
2 |
11 |
101 |
435 |
3363 |
4059 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17612 |
7881 |
515 |
307 |
134 |
124 |
104 |
0 |
| OW |
0 |
102 |
105 |
44 |
44 |
29 |
13 |
0 |
| VODI |
0 |
82 |
144 |
97 |
69 |
82 |
16 |
0 |
| ODI |
0 |
33 |
92 |
78 |
104 |
131 |
28 |
7 |
| CDI |
0 |
46 |
139 |
122 |
141 |
180 |
214 |
50 |
| VCDI |
0 |
2 |
54 |
79 |
205 |
636 |
3467 |
4107 |
|
Date: 2012-11-30:
| 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 |
16164 |
7318 |
1032 |
536 |
172 |
15 |
12 |
0 |
| OW |
0 |
556 |
133 |
245 |
141 |
15 |
29 |
0 |
| VODI |
0 |
253 |
100 |
246 |
232 |
77 |
71 |
0 |
| ODI |
0 |
31 |
44 |
183 |
244 |
233 |
85 |
0 |
| CDI |
0 |
0 |
8 |
57 |
293 |
460 |
356 |
0 |
| VCDI |
0 |
0 |
0 |
32 |
74 |
507 |
4879 |
2586 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16164 |
7831 |
1081 |
696 |
362 |
195 |
117 |
0 |
| OW |
0 |
96 |
74 |
76 |
50 |
29 |
23 |
0 |
| VODI |
0 |
110 |
80 |
132 |
74 |
63 |
44 |
0 |
| ODI |
0 |
53 |
42 |
135 |
147 |
109 |
55 |
0 |
| CDI |
0 |
35 |
24 |
140 |
284 |
198 |
232 |
0 |
| VCDI |
0 |
33 |
16 |
120 |
239 |
713 |
4961 |
2586 |
|
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