Validation of sea ice concentration
Bulletin date: 2013-11-14
Model vs. observations, sea ice class contingency tables
Date: 2013-11-08:
| 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 |
16880 |
6417 |
824 |
393 |
59 |
25 |
7 |
0 |
| OW |
25 |
1016 |
140 |
152 |
59 |
32 |
2 |
0 |
| VODI |
0 |
558 |
200 |
255 |
112 |
48 |
8 |
0 |
| ODI |
0 |
70 |
131 |
153 |
161 |
108 |
40 |
0 |
| CDI |
0 |
23 |
57 |
137 |
165 |
203 |
267 |
0 |
| VCDI |
0 |
10 |
55 |
173 |
329 |
696 |
4470 |
2959 |
|
...date precedes bulletin
|
Date: 2013-11-12:
| 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 |
16983 |
6105 |
1223 |
386 |
112 |
56 |
34 |
0 |
| OW |
0 |
777 |
281 |
150 |
55 |
21 |
2 |
0 |
| VODI |
0 |
239 |
378 |
274 |
156 |
61 |
8 |
0 |
| ODI |
0 |
15 |
46 |
154 |
169 |
166 |
33 |
0 |
| CDI |
0 |
7 |
14 |
59 |
125 |
291 |
208 |
0 |
| VCDI |
0 |
0 |
33 |
68 |
138 |
760 |
4729 |
3103 |
|
...date precedes bulletin
|
Date: 2013-11-14:
| 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 |
17520 |
5618 |
455 |
225 |
101 |
103 |
20 |
0 |
| OW |
0 |
824 |
138 |
121 |
44 |
8 |
7 |
0 |
| VODI |
0 |
516 |
251 |
309 |
131 |
62 |
6 |
0 |
| ODI |
0 |
81 |
158 |
203 |
253 |
265 |
25 |
0 |
| CDI |
0 |
3 |
19 |
61 |
208 |
314 |
172 |
0 |
| VCDI |
0 |
0 |
17 |
45 |
243 |
906 |
5038 |
2949 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17520 |
6481 |
635 |
380 |
158 |
110 |
27 |
0 |
| OW |
0 |
183 |
87 |
84 |
41 |
11 |
5 |
0 |
| VODI |
0 |
197 |
107 |
222 |
100 |
51 |
6 |
0 |
| ODI |
0 |
173 |
164 |
157 |
180 |
211 |
24 |
0 |
| CDI |
0 |
6 |
26 |
64 |
228 |
297 |
139 |
0 |
| VCDI |
0 |
2 |
19 |
57 |
273 |
978 |
5067 |
2949 |
|
Date: 2013-11-18:
| 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 |
17498 |
6669 |
404 |
255 |
116 |
32 |
16 |
0 |
| OW |
0 |
464 |
247 |
187 |
69 |
67 |
1 |
0 |
| VODI |
0 |
79 |
219 |
238 |
175 |
81 |
0 |
0 |
| ODI |
0 |
13 |
60 |
160 |
253 |
380 |
9 |
0 |
| CDI |
0 |
0 |
19 |
71 |
191 |
557 |
126 |
0 |
| VCDI |
0 |
0 |
1 |
20 |
163 |
1238 |
4342 |
2999 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17498 |
6101 |
383 |
354 |
190 |
209 |
20 |
0 |
| OW |
0 |
246 |
38 |
55 |
37 |
21 |
2 |
0 |
| VODI |
0 |
351 |
132 |
82 |
61 |
29 |
4 |
0 |
| ODI |
0 |
257 |
149 |
153 |
105 |
125 |
8 |
0 |
| CDI |
0 |
181 |
125 |
158 |
200 |
314 |
90 |
0 |
| VCDI |
0 |
89 |
123 |
129 |
374 |
1657 |
4370 |
2999 |
|
Date: 2013-11-20:
| 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 |
17174 |
5832 |
370 |
307 |
121 |
9 |
14 |
0 |
| OW |
0 |
566 |
183 |
126 |
89 |
39 |
4 |
0 |
| VODI |
0 |
369 |
262 |
284 |
179 |
91 |
13 |
0 |
| ODI |
0 |
69 |
46 |
186 |
221 |
293 |
26 |
1 |
| CDI |
0 |
32 |
43 |
65 |
212 |
637 |
141 |
2 |
| VCDI |
0 |
20 |
29 |
48 |
292 |
1268 |
4863 |
2893 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17174 |
5784 |
409 |
398 |
247 |
144 |
64 |
0 |
| OW |
0 |
186 |
72 |
58 |
41 |
25 |
7 |
0 |
| VODI |
0 |
285 |
67 |
104 |
63 |
32 |
4 |
0 |
| ODI |
0 |
249 |
122 |
120 |
79 |
63 |
3 |
0 |
| CDI |
0 |
176 |
142 |
144 |
213 |
344 |
49 |
1 |
| VCDI |
0 |
208 |
121 |
192 |
471 |
1729 |
4934 |
2895 |
|
Date: 2013-11-22:
| 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 |
16285 |
5989 |
588 |
259 |
89 |
9 |
14 |
0 |
| OW |
0 |
378 |
174 |
141 |
103 |
27 |
1 |
0 |
| VODI |
0 |
331 |
253 |
289 |
106 |
68 |
22 |
0 |
| ODI |
0 |
96 |
201 |
337 |
178 |
126 |
21 |
0 |
| CDI |
0 |
28 |
52 |
215 |
367 |
394 |
118 |
0 |
| VCDI |
0 |
14 |
18 |
137 |
432 |
1251 |
4707 |
3601 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16285 |
6158 |
727 |
456 |
249 |
151 |
70 |
0 |
| OW |
0 |
120 |
52 |
76 |
35 |
18 |
4 |
0 |
| VODI |
0 |
162 |
92 |
107 |
39 |
36 |
5 |
0 |
| ODI |
0 |
179 |
109 |
130 |
69 |
43 |
9 |
0 |
| CDI |
0 |
119 |
175 |
271 |
177 |
203 |
40 |
0 |
| VCDI |
0 |
98 |
131 |
338 |
706 |
1424 |
4755 |
3601 |
|
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