Validation of sea ice concentration
Bulletin date: 2015-12-10
Model vs. observations, sea ice class contingency tables
Date: 2015-12-04:
| 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 |
17298 |
6282 |
555 |
148 |
23 |
14 |
72 |
0 |
| OW |
15 |
469 |
224 |
70 |
44 |
17 |
42 |
0 |
| VODI |
0 |
223 |
242 |
166 |
111 |
46 |
16 |
0 |
| ODI |
0 |
8 |
136 |
142 |
140 |
130 |
45 |
0 |
| CDI |
0 |
3 |
75 |
95 |
159 |
219 |
158 |
13 |
| VCDI |
0 |
0 |
44 |
83 |
192 |
504 |
5651 |
3193 |
|
...date precedes bulletin
|
Date: 2015-12-08:
| 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 |
16501 |
6861 |
668 |
116 |
14 |
10 |
26 |
0 |
| OW |
33 |
417 |
224 |
97 |
50 |
21 |
34 |
0 |
| VODI |
0 |
422 |
218 |
183 |
125 |
56 |
76 |
0 |
| ODI |
0 |
70 |
127 |
110 |
153 |
102 |
121 |
0 |
| CDI |
0 |
9 |
32 |
125 |
285 |
122 |
267 |
3 |
| VCDI |
0 |
0 |
8 |
37 |
377 |
576 |
5785 |
2606 |
|
...date precedes bulletin
|
Date: 2015-12-10:
| 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 |
15827 |
6904 |
649 |
148 |
32 |
18 |
37 |
0 |
| OW |
0 |
239 |
239 |
84 |
49 |
27 |
53 |
0 |
| VODI |
0 |
325 |
249 |
114 |
119 |
53 |
32 |
0 |
| ODI |
0 |
92 |
230 |
154 |
164 |
124 |
47 |
0 |
| CDI |
0 |
7 |
52 |
159 |
279 |
257 |
279 |
1 |
| VCDI |
0 |
0 |
11 |
32 |
170 |
713 |
6649 |
2449 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15827 |
6883 |
672 |
162 |
47 |
32 |
83 |
0 |
| OW |
0 |
249 |
213 |
81 |
51 |
25 |
19 |
0 |
| VODI |
0 |
323 |
251 |
104 |
107 |
36 |
20 |
0 |
| ODI |
0 |
106 |
226 |
160 |
164 |
112 |
40 |
0 |
| CDI |
0 |
6 |
55 |
145 |
286 |
285 |
264 |
1 |
| VCDI |
0 |
0 |
13 |
39 |
158 |
702 |
6671 |
2449 |
|
Date: 2015-12-14:
| 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 |
15581 |
6739 |
806 |
307 |
89 |
24 |
16 |
0 |
| OW |
0 |
146 |
257 |
155 |
110 |
31 |
49 |
0 |
| VODI |
0 |
13 |
248 |
164 |
209 |
92 |
124 |
0 |
| ODI |
0 |
0 |
84 |
108 |
194 |
220 |
166 |
5 |
| CDI |
0 |
0 |
37 |
36 |
100 |
309 |
482 |
45 |
| VCDI |
0 |
0 |
8 |
12 |
57 |
278 |
4867 |
4899 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15581 |
6354 |
573 |
232 |
64 |
24 |
68 |
0 |
| OW |
0 |
252 |
153 |
84 |
66 |
26 |
36 |
0 |
| VODI |
0 |
186 |
209 |
88 |
83 |
54 |
61 |
0 |
| ODI |
0 |
78 |
215 |
135 |
94 |
90 |
98 |
7 |
| CDI |
0 |
25 |
153 |
166 |
239 |
217 |
230 |
41 |
| VCDI |
0 |
3 |
137 |
77 |
213 |
543 |
5211 |
4901 |
|
Date: 2015-12-16:
| 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 |
15424 |
6638 |
765 |
215 |
86 |
34 |
6 |
0 |
| OW |
0 |
192 |
248 |
100 |
45 |
48 |
18 |
0 |
| VODI |
0 |
98 |
155 |
133 |
101 |
117 |
49 |
0 |
| ODI |
0 |
24 |
147 |
131 |
106 |
122 |
131 |
0 |
| CDI |
0 |
4 |
126 |
115 |
177 |
198 |
345 |
20 |
| VCDI |
0 |
4 |
44 |
80 |
158 |
325 |
5907 |
4431 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15424 |
6400 |
601 |
151 |
62 |
27 |
24 |
0 |
| OW |
0 |
224 |
166 |
93 |
55 |
47 |
21 |
0 |
| VODI |
0 |
167 |
211 |
95 |
53 |
65 |
37 |
0 |
| ODI |
0 |
88 |
132 |
100 |
70 |
85 |
55 |
0 |
| CDI |
0 |
52 |
135 |
123 |
130 |
138 |
163 |
9 |
| VCDI |
0 |
29 |
240 |
212 |
303 |
482 |
6156 |
4442 |
|
Date: 2015-12-18:
| 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 |
15233 |
6867 |
559 |
158 |
26 |
12 |
1 |
0 |
| OW |
0 |
289 |
190 |
71 |
31 |
24 |
13 |
0 |
| VODI |
0 |
183 |
232 |
130 |
62 |
62 |
27 |
0 |
| ODI |
0 |
70 |
115 |
132 |
89 |
96 |
89 |
1 |
| CDI |
0 |
27 |
90 |
137 |
124 |
177 |
313 |
29 |
| VCDI |
0 |
48 |
121 |
180 |
341 |
606 |
5590 |
4522 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15233 |
6574 |
493 |
113 |
27 |
11 |
15 |
0 |
| OW |
0 |
275 |
135 |
67 |
50 |
35 |
21 |
0 |
| VODI |
0 |
267 |
174 |
125 |
45 |
34 |
17 |
0 |
| ODI |
0 |
161 |
137 |
113 |
66 |
54 |
52 |
0 |
| CDI |
0 |
93 |
141 |
126 |
137 |
126 |
166 |
15 |
| VCDI |
0 |
114 |
227 |
264 |
348 |
717 |
5762 |
4537 |
|
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