Validation of sea ice concentration
Bulletin date: 2016-11-17
Model vs. observations, sea ice class contingency tables
Date: 2016-11-11:
| 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 |
21302 |
6837 |
252 |
228 |
71 |
41 |
32 |
0 |
| OW |
0 |
379 |
95 |
85 |
59 |
27 |
9 |
0 |
| VODI |
0 |
112 |
133 |
138 |
102 |
71 |
21 |
0 |
| ODI |
0 |
27 |
15 |
111 |
137 |
128 |
60 |
0 |
| CDI |
0 |
15 |
13 |
86 |
138 |
246 |
217 |
0 |
| VCDI |
0 |
10 |
6 |
24 |
106 |
735 |
3138 |
2953 |
|
...date precedes bulletin
|
Date: 2016-11-15:
| 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 |
20173 |
8378 |
718 |
294 |
69 |
26 |
33 |
0 |
| OW |
0 |
33 |
232 |
99 |
56 |
28 |
37 |
0 |
| VODI |
0 |
0 |
89 |
167 |
124 |
99 |
57 |
0 |
| ODI |
0 |
0 |
34 |
88 |
105 |
148 |
107 |
0 |
| CDI |
0 |
0 |
10 |
40 |
83 |
219 |
429 |
0 |
| VCDI |
0 |
0 |
12 |
14 |
66 |
473 |
4214 |
1405 |
|
...date precedes bulletin
|
Date: 2016-11-17:
| 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 |
19918 |
8372 |
765 |
213 |
78 |
45 |
19 |
0 |
| OW |
0 |
272 |
277 |
122 |
39 |
19 |
33 |
0 |
| VODI |
0 |
7 |
183 |
232 |
150 |
37 |
48 |
0 |
| ODI |
0 |
0 |
39 |
90 |
177 |
91 |
64 |
0 |
| CDI |
0 |
0 |
13 |
49 |
141 |
113 |
235 |
4 |
| VCDI |
0 |
0 |
9 |
15 |
59 |
266 |
2810 |
3155 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19918 |
8381 |
787 |
213 |
79 |
48 |
27 |
0 |
| OW |
0 |
213 |
227 |
88 |
35 |
16 |
23 |
0 |
| VODI |
0 |
57 |
199 |
218 |
116 |
38 |
47 |
0 |
| ODI |
0 |
0 |
50 |
129 |
161 |
86 |
61 |
0 |
| CDI |
0 |
0 |
14 |
54 |
168 |
98 |
209 |
3 |
| VCDI |
0 |
0 |
9 |
19 |
85 |
285 |
2842 |
3156 |
|
Date: 2016-11-21:
| 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 |
21356 |
7351 |
1021 |
335 |
114 |
31 |
13 |
0 |
| OW |
32 |
30 |
161 |
148 |
35 |
16 |
7 |
0 |
| VODI |
17 |
12 |
68 |
149 |
65 |
55 |
17 |
0 |
| ODI |
1 |
3 |
9 |
66 |
115 |
114 |
72 |
0 |
| CDI |
0 |
1 |
5 |
23 |
65 |
177 |
367 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
44 |
203 |
3902 |
1953 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21358 |
6722 |
601 |
192 |
82 |
27 |
17 |
0 |
| OW |
41 |
233 |
143 |
63 |
29 |
11 |
6 |
0 |
| VODI |
7 |
354 |
281 |
155 |
75 |
67 |
31 |
0 |
| ODI |
0 |
78 |
184 |
158 |
70 |
83 |
63 |
0 |
| CDI |
0 |
10 |
48 |
116 |
74 |
126 |
239 |
0 |
| VCDI |
0 |
0 |
7 |
43 |
108 |
282 |
4022 |
1953 |
|
Date: 2016-11-23:
| 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 |
20773 |
7637 |
715 |
315 |
163 |
42 |
13 |
0 |
| OW |
14 |
72 |
272 |
166 |
108 |
14 |
4 |
0 |
| VODI |
12 |
16 |
163 |
180 |
91 |
47 |
14 |
0 |
| ODI |
1 |
2 |
28 |
58 |
99 |
124 |
68 |
0 |
| CDI |
0 |
1 |
8 |
35 |
82 |
201 |
321 |
0 |
| VCDI |
0 |
0 |
6 |
19 |
45 |
146 |
3654 |
2430 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20769 |
7156 |
471 |
227 |
109 |
33 |
13 |
0 |
| OW |
23 |
260 |
125 |
75 |
40 |
14 |
8 |
0 |
| VODI |
8 |
255 |
240 |
133 |
123 |
67 |
16 |
0 |
| ODI |
0 |
51 |
166 |
149 |
73 |
114 |
69 |
0 |
| CDI |
0 |
6 |
140 |
135 |
102 |
137 |
201 |
0 |
| VCDI |
0 |
0 |
50 |
54 |
141 |
209 |
3767 |
2430 |
|
Date: 2016-11-25:
| 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 |
18702 |
8895 |
836 |
303 |
144 |
168 |
3 |
0 |
| OW |
4 |
129 |
149 |
98 |
96 |
70 |
3 |
0 |
| VODI |
0 |
44 |
140 |
112 |
135 |
182 |
20 |
0 |
| ODI |
0 |
1 |
44 |
81 |
148 |
297 |
65 |
0 |
| CDI |
0 |
0 |
16 |
47 |
76 |
247 |
229 |
0 |
| VCDI |
0 |
0 |
1 |
20 |
44 |
232 |
3878 |
2500 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18706 |
8655 |
661 |
185 |
75 |
146 |
3 |
0 |
| OW |
0 |
185 |
134 |
112 |
72 |
27 |
5 |
0 |
| VODI |
0 |
148 |
205 |
126 |
111 |
98 |
15 |
0 |
| ODI |
0 |
51 |
111 |
109 |
155 |
211 |
52 |
0 |
| CDI |
0 |
21 |
55 |
67 |
95 |
294 |
216 |
0 |
| VCDI |
0 |
9 |
20 |
62 |
135 |
420 |
3907 |
2500 |
|
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