Validation of sea ice concentration
Bulletin date: 2015-10-29
Model vs. observations, sea ice class contingency tables
Date: 2015-10-23:
| 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 |
20242 |
6645 |
530 |
138 |
96 |
86 |
13 |
0 |
| OW |
0 |
344 |
145 |
131 |
86 |
60 |
5 |
0 |
| VODI |
0 |
119 |
50 |
214 |
160 |
103 |
43 |
0 |
| ODI |
0 |
60 |
37 |
79 |
155 |
150 |
81 |
0 |
| CDI |
0 |
11 |
31 |
34 |
60 |
205 |
283 |
0 |
| VCDI |
0 |
2 |
8 |
11 |
43 |
278 |
3396 |
2933 |
|
...date precedes bulletin
|
Date: 2015-10-27:
| 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 |
21445 |
5938 |
197 |
186 |
202 |
125 |
3 |
0 |
| OW |
6 |
272 |
56 |
66 |
54 |
96 |
34 |
0 |
| VODI |
9 |
133 |
23 |
70 |
108 |
104 |
35 |
0 |
| ODI |
10 |
48 |
7 |
17 |
84 |
161 |
34 |
0 |
| CDI |
0 |
24 |
11 |
28 |
105 |
266 |
94 |
0 |
| VCDI |
0 |
6 |
9 |
22 |
120 |
840 |
3390 |
2629 |
|
...date precedes bulletin
|
Date: 2015-10-29:
| 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 |
19835 |
6343 |
671 |
238 |
130 |
131 |
8 |
0 |
| OW |
0 |
218 |
155 |
143 |
140 |
64 |
24 |
0 |
| VODI |
0 |
124 |
79 |
87 |
128 |
145 |
41 |
0 |
| ODI |
0 |
62 |
53 |
43 |
57 |
155 |
40 |
0 |
| CDI |
0 |
3 |
27 |
39 |
63 |
281 |
151 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
87 |
518 |
3910 |
2850 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19833 |
6269 |
567 |
199 |
152 |
132 |
17 |
0 |
| OW |
2 |
313 |
150 |
65 |
45 |
51 |
2 |
0 |
| VODI |
0 |
116 |
136 |
139 |
125 |
141 |
33 |
0 |
| ODI |
0 |
35 |
60 |
80 |
103 |
160 |
59 |
0 |
| CDI |
0 |
16 |
33 |
27 |
54 |
226 |
115 |
0 |
| VCDI |
0 |
1 |
39 |
64 |
126 |
584 |
3948 |
2850 |
|
Date: 2015-11-02:
| 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 |
20210 |
5232 |
693 |
385 |
152 |
59 |
18 |
0 |
| OW |
23 |
299 |
158 |
117 |
129 |
54 |
0 |
0 |
| VODI |
7 |
45 |
66 |
117 |
142 |
216 |
6 |
0 |
| ODI |
4 |
31 |
13 |
48 |
84 |
358 |
51 |
0 |
| CDI |
17 |
22 |
21 |
20 |
67 |
527 |
183 |
0 |
| VCDI |
1 |
2 |
16 |
28 |
46 |
852 |
3823 |
2725 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20188 |
5121 |
631 |
359 |
160 |
151 |
18 |
0 |
| OW |
37 |
175 |
152 |
120 |
76 |
87 |
8 |
0 |
| VODI |
13 |
115 |
50 |
79 |
141 |
302 |
20 |
0 |
| ODI |
6 |
66 |
46 |
45 |
84 |
332 |
23 |
0 |
| CDI |
16 |
48 |
20 |
36 |
68 |
260 |
118 |
0 |
| VCDI |
2 |
106 |
68 |
76 |
91 |
934 |
3894 |
2725 |
|
Date: 2015-11-04:
| 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 |
20213 |
5198 |
555 |
297 |
124 |
39 |
35 |
0 |
| OW |
5 |
394 |
124 |
145 |
118 |
60 |
3 |
0 |
| VODI |
0 |
121 |
79 |
109 |
132 |
148 |
16 |
0 |
| ODI |
0 |
19 |
22 |
47 |
129 |
215 |
55 |
0 |
| CDI |
0 |
21 |
15 |
27 |
85 |
448 |
184 |
10 |
| VCDI |
0 |
17 |
36 |
41 |
93 |
560 |
4247 |
2881 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20217 |
5204 |
488 |
285 |
127 |
113 |
36 |
0 |
| OW |
1 |
245 |
134 |
99 |
70 |
89 |
8 |
0 |
| VODI |
0 |
155 |
59 |
98 |
150 |
186 |
13 |
0 |
| ODI |
0 |
81 |
34 |
68 |
122 |
258 |
31 |
0 |
| CDI |
0 |
43 |
52 |
51 |
81 |
242 |
117 |
5 |
| VCDI |
0 |
42 |
64 |
65 |
131 |
582 |
4335 |
2886 |
|
Date: 2015-11-06:
| 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 |
19595 |
5358 |
127 |
353 |
87 |
36 |
44 |
0 |
| OW |
31 |
547 |
49 |
111 |
77 |
25 |
8 |
0 |
| VODI |
21 |
346 |
47 |
144 |
186 |
100 |
7 |
0 |
| ODI |
0 |
169 |
23 |
93 |
140 |
246 |
24 |
1 |
| CDI |
0 |
36 |
8 |
18 |
94 |
437 |
168 |
11 |
| VCDI |
0 |
21 |
3 |
33 |
97 |
1024 |
3790 |
3332 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19642 |
5698 |
134 |
427 |
189 |
148 |
44 |
0 |
| OW |
4 |
313 |
39 |
81 |
94 |
129 |
12 |
0 |
| VODI |
1 |
242 |
41 |
97 |
132 |
198 |
18 |
0 |
| ODI |
0 |
99 |
16 |
52 |
59 |
297 |
27 |
0 |
| CDI |
0 |
80 |
13 |
42 |
59 |
320 |
84 |
9 |
| VCDI |
0 |
45 |
14 |
53 |
148 |
776 |
3856 |
3335 |
|
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