Validation of sea ice concentration
Bulletin date: 2016-12-08
Model vs. observations, sea ice class contingency tables
Date: 2016-12-02:
| 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 |
16825 |
8185 |
1289 |
591 |
217 |
162 |
17 |
0 |
| OW |
0 |
155 |
199 |
156 |
107 |
64 |
5 |
0 |
| VODI |
0 |
67 |
104 |
174 |
119 |
175 |
14 |
0 |
| ODI |
0 |
5 |
35 |
77 |
87 |
219 |
54 |
0 |
| CDI |
0 |
3 |
22 |
83 |
67 |
319 |
343 |
15 |
| VCDI |
0 |
0 |
0 |
21 |
28 |
455 |
4588 |
3113 |
|
...date precedes bulletin
|
Date: 2016-12-06:
| 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 |
16540 |
8589 |
1030 |
571 |
224 |
155 |
29 |
0 |
| OW |
0 |
47 |
101 |
161 |
104 |
107 |
13 |
0 |
| VODI |
0 |
12 |
42 |
159 |
149 |
155 |
20 |
0 |
| ODI |
0 |
2 |
10 |
58 |
122 |
241 |
42 |
0 |
| CDI |
0 |
1 |
2 |
16 |
74 |
295 |
285 |
1 |
| VCDI |
0 |
0 |
0 |
7 |
55 |
727 |
4695 |
3318 |
|
...date precedes bulletin
|
Date: 2016-12-08:
| 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 |
16361 |
8421 |
839 |
624 |
194 |
196 |
38 |
0 |
| OW |
0 |
59 |
146 |
204 |
119 |
85 |
38 |
0 |
| VODI |
0 |
33 |
83 |
136 |
131 |
126 |
66 |
0 |
| ODI |
0 |
9 |
43 |
91 |
119 |
167 |
115 |
0 |
| CDI |
0 |
1 |
27 |
93 |
76 |
124 |
279 |
34 |
| VCDI |
0 |
0 |
16 |
83 |
141 |
343 |
4573 |
3926 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16361 |
8406 |
859 |
667 |
207 |
200 |
39 |
0 |
| OW |
0 |
61 |
128 |
165 |
102 |
83 |
35 |
0 |
| VODI |
0 |
37 |
80 |
140 |
136 |
131 |
66 |
0 |
| ODI |
0 |
13 |
38 |
83 |
129 |
162 |
127 |
0 |
| CDI |
0 |
6 |
30 |
83 |
64 |
121 |
275 |
44 |
| VCDI |
0 |
0 |
19 |
93 |
142 |
344 |
4567 |
3916 |
|
Date: 2016-12-12:
| 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 |
16563 |
7681 |
1192 |
449 |
184 |
70 |
71 |
0 |
| OW |
0 |
116 |
95 |
159 |
97 |
42 |
17 |
0 |
| VODI |
0 |
61 |
59 |
158 |
169 |
120 |
14 |
0 |
| ODI |
0 |
11 |
22 |
85 |
175 |
308 |
55 |
0 |
| CDI |
0 |
6 |
14 |
40 |
107 |
440 |
226 |
0 |
| VCDI |
0 |
2 |
8 |
28 |
83 |
1122 |
5239 |
2871 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16563 |
7432 |
1051 |
353 |
162 |
74 |
72 |
0 |
| OW |
0 |
203 |
152 |
153 |
98 |
67 |
13 |
0 |
| VODI |
0 |
123 |
98 |
173 |
125 |
122 |
40 |
0 |
| ODI |
0 |
45 |
41 |
108 |
141 |
224 |
76 |
0 |
| CDI |
0 |
39 |
26 |
59 |
152 |
408 |
181 |
0 |
| VCDI |
0 |
35 |
22 |
73 |
137 |
1207 |
5240 |
2871 |
|
Date: 2016-12-14:
| 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 |
16674 |
7672 |
785 |
303 |
199 |
55 |
95 |
0 |
| OW |
0 |
148 |
125 |
129 |
72 |
45 |
25 |
0 |
| VODI |
0 |
92 |
85 |
148 |
146 |
93 |
43 |
0 |
| ODI |
0 |
27 |
50 |
105 |
151 |
209 |
59 |
0 |
| CDI |
0 |
19 |
23 |
50 |
138 |
376 |
268 |
2 |
| VCDI |
0 |
7 |
17 |
57 |
104 |
837 |
5525 |
3201 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16674 |
7472 |
675 |
271 |
175 |
51 |
95 |
0 |
| OW |
0 |
223 |
163 |
92 |
79 |
39 |
19 |
0 |
| VODI |
0 |
148 |
121 |
173 |
154 |
140 |
33 |
0 |
| ODI |
0 |
56 |
56 |
91 |
123 |
174 |
71 |
0 |
| CDI |
0 |
30 |
38 |
77 |
135 |
369 |
302 |
0 |
| VCDI |
0 |
36 |
32 |
88 |
144 |
842 |
5495 |
3203 |
|
Date: 2016-12-16:
| 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 |
16356 |
7846 |
679 |
257 |
140 |
87 |
110 |
0 |
| OW |
0 |
130 |
199 |
100 |
77 |
56 |
31 |
0 |
| VODI |
0 |
58 |
156 |
135 |
79 |
141 |
24 |
0 |
| ODI |
0 |
17 |
76 |
102 |
121 |
197 |
66 |
0 |
| CDI |
0 |
11 |
37 |
69 |
114 |
295 |
332 |
0 |
| VCDI |
0 |
0 |
23 |
75 |
192 |
382 |
6084 |
3305 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16356 |
7707 |
598 |
239 |
156 |
106 |
108 |
0 |
| OW |
0 |
202 |
161 |
80 |
57 |
75 |
28 |
0 |
| VODI |
0 |
113 |
173 |
130 |
91 |
154 |
66 |
0 |
| ODI |
0 |
32 |
119 |
110 |
120 |
175 |
174 |
0 |
| CDI |
0 |
7 |
79 |
81 |
116 |
272 |
341 |
12 |
| VCDI |
0 |
1 |
40 |
98 |
183 |
376 |
5930 |
3293 |
|
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