Validation of sea ice concentration
Bulletin date: 2012-04-04
Model vs. observations, sea ice class contingency tables
Date: 2012-03-29:
| 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 |
14245 |
6230 |
468 |
258 |
68 |
14 |
6 |
0 |
| OW |
0 |
94 |
137 |
145 |
118 |
63 |
17 |
0 |
| VODI |
0 |
20 |
137 |
139 |
183 |
147 |
57 |
5 |
| ODI |
0 |
1 |
75 |
55 |
134 |
264 |
140 |
73 |
| CDI |
0 |
0 |
34 |
36 |
169 |
464 |
546 |
123 |
| VCDI |
0 |
0 |
18 |
21 |
102 |
1016 |
6769 |
4828 |
|
...date precedes bulletin
|
Date: 2012-04-02:
| 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 |
13320 |
6082 |
588 |
424 |
229 |
103 |
11 |
0 |
| OW |
0 |
95 |
92 |
155 |
123 |
153 |
40 |
0 |
| VODI |
0 |
48 |
58 |
124 |
178 |
231 |
94 |
7 |
| ODI |
0 |
27 |
61 |
90 |
158 |
312 |
174 |
67 |
| CDI |
0 |
9 |
59 |
76 |
142 |
569 |
499 |
117 |
| VCDI |
0 |
0 |
39 |
91 |
173 |
852 |
6939 |
4810 |
|
...date precedes bulletin
|
Date: 2012-04-04:
| 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 |
13028 |
6296 |
1002 |
595 |
216 |
35 |
3 |
0 |
| OW |
0 |
12 |
91 |
226 |
211 |
169 |
15 |
0 |
| VODI |
0 |
2 |
35 |
123 |
232 |
325 |
92 |
67 |
| ODI |
0 |
0 |
11 |
52 |
156 |
410 |
258 |
123 |
| CDI |
0 |
0 |
4 |
36 |
79 |
574 |
699 |
187 |
| VCDI |
0 |
0 |
2 |
11 |
42 |
777 |
6721 |
4502 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13028 |
6088 |
755 |
451 |
275 |
368 |
171 |
0 |
| OW |
0 |
53 |
85 |
60 |
51 |
69 |
52 |
0 |
| VODI |
0 |
55 |
84 |
74 |
88 |
129 |
98 |
55 |
| ODI |
0 |
49 |
35 |
63 |
103 |
190 |
123 |
97 |
| CDI |
0 |
55 |
60 |
113 |
129 |
327 |
425 |
138 |
| VCDI |
0 |
10 |
126 |
282 |
290 |
1207 |
6919 |
4589 |
|
Date: 2012-04-08:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2012-04-10:
| 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 |
13645 |
6087 |
549 |
253 |
134 |
77 |
4 |
0 |
| OW |
0 |
174 |
118 |
179 |
133 |
103 |
15 |
0 |
| VODI |
0 |
95 |
84 |
229 |
227 |
273 |
49 |
4 |
| ODI |
0 |
8 |
90 |
119 |
189 |
445 |
82 |
50 |
| CDI |
0 |
0 |
56 |
112 |
195 |
511 |
246 |
165 |
| VCDI |
0 |
0 |
9 |
77 |
298 |
1675 |
6325 |
4335 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13645 |
5852 |
506 |
385 |
349 |
430 |
93 |
0 |
| OW |
0 |
102 |
38 |
70 |
53 |
106 |
31 |
0 |
| VODI |
0 |
123 |
47 |
94 |
74 |
152 |
63 |
4 |
| ODI |
0 |
88 |
47 |
67 |
115 |
177 |
47 |
38 |
| CDI |
0 |
86 |
41 |
62 |
99 |
331 |
154 |
110 |
| VCDI |
0 |
113 |
227 |
291 |
486 |
1888 |
6333 |
4402 |
|
Date: 2012-04-12:
| 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 |
13863 |
6436 |
642 |
370 |
161 |
48 |
2 |
0 |
| OW |
0 |
90 |
109 |
147 |
143 |
103 |
16 |
0 |
| VODI |
0 |
89 |
96 |
111 |
171 |
240 |
76 |
0 |
| ODI |
0 |
59 |
74 |
119 |
161 |
310 |
114 |
0 |
| CDI |
0 |
1 |
29 |
87 |
203 |
527 |
480 |
0 |
| VCDI |
0 |
0 |
1 |
25 |
158 |
1495 |
6843 |
3820 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13863 |
5945 |
481 |
343 |
250 |
308 |
140 |
0 |
| OW |
0 |
98 |
62 |
40 |
44 |
70 |
44 |
0 |
| VODI |
0 |
131 |
81 |
70 |
64 |
104 |
82 |
0 |
| ODI |
0 |
90 |
65 |
78 |
89 |
132 |
59 |
0 |
| CDI |
0 |
98 |
77 |
84 |
133 |
260 |
223 |
0 |
| VCDI |
0 |
313 |
185 |
244 |
417 |
1849 |
6983 |
3820 |
|
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