Validation of sea ice concentration
Bulletin date: 2012-02-22
Model vs. observations, sea ice class contingency tables
Date: 2012-02-16:
| 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 |
13590 |
6683 |
516 |
281 |
106 |
25 |
1 |
0 |
| OW |
0 |
221 |
297 |
198 |
84 |
62 |
12 |
0 |
| VODI |
0 |
417 |
225 |
320 |
214 |
189 |
37 |
0 |
| ODI |
0 |
378 |
159 |
267 |
375 |
441 |
93 |
0 |
| CDI |
0 |
4 |
17 |
89 |
182 |
776 |
407 |
1 |
| VCDI |
0 |
2 |
3 |
38 |
141 |
995 |
5560 |
4013 |
|
...date precedes bulletin
|
Date: 2012-02-20:
| 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 |
14149 |
6406 |
430 |
108 |
18 |
8 |
15 |
0 |
| OW |
1 |
357 |
244 |
150 |
67 |
20 |
25 |
0 |
| VODI |
0 |
391 |
181 |
272 |
220 |
106 |
82 |
0 |
| ODI |
0 |
367 |
127 |
414 |
352 |
279 |
172 |
0 |
| CDI |
0 |
62 |
62 |
185 |
359 |
398 |
566 |
23 |
| VCDI |
0 |
8 |
9 |
63 |
212 |
866 |
5517 |
4128 |
|
...date precedes bulletin
|
Date: 2012-02-22:
| 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 |
13843 |
7492 |
533 |
681 |
223 |
35 |
14 |
0 |
| OW |
0 |
344 |
91 |
520 |
343 |
100 |
41 |
0 |
| VODI |
0 |
20 |
28 |
167 |
359 |
411 |
150 |
0 |
| ODI |
0 |
3 |
11 |
45 |
178 |
370 |
392 |
0 |
| CDI |
0 |
0 |
3 |
33 |
100 |
416 |
782 |
26 |
| VCDI |
0 |
0 |
1 |
10 |
20 |
565 |
4798 |
4271 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13843 |
6865 |
389 |
377 |
232 |
37 |
81 |
0 |
| OW |
0 |
126 |
25 |
83 |
76 |
27 |
37 |
0 |
| VODI |
0 |
180 |
36 |
189 |
123 |
144 |
94 |
0 |
| ODI |
0 |
141 |
46 |
214 |
138 |
139 |
207 |
0 |
| CDI |
0 |
301 |
55 |
186 |
158 |
226 |
394 |
27 |
| VCDI |
0 |
246 |
116 |
407 |
496 |
1324 |
5364 |
4270 |
|
Date: 2012-02-26:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2012-02-28:
| 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 |
13989 |
6634 |
470 |
265 |
98 |
72 |
74 |
0 |
| OW |
0 |
255 |
131 |
128 |
76 |
175 |
76 |
0 |
| VODI |
0 |
38 |
129 |
296 |
362 |
380 |
182 |
0 |
| ODI |
0 |
1 |
53 |
211 |
408 |
454 |
273 |
7 |
| CDI |
0 |
0 |
7 |
147 |
311 |
698 |
701 |
34 |
| VCDI |
0 |
0 |
0 |
14 |
170 |
777 |
5424 |
3899 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13989 |
6472 |
383 |
254 |
123 |
301 |
174 |
0 |
| OW |
0 |
106 |
59 |
45 |
23 |
56 |
42 |
0 |
| VODI |
0 |
104 |
61 |
113 |
65 |
140 |
101 |
0 |
| ODI |
0 |
70 |
23 |
117 |
144 |
150 |
183 |
6 |
| CDI |
0 |
71 |
59 |
110 |
242 |
287 |
383 |
35 |
| VCDI |
0 |
105 |
205 |
422 |
828 |
1622 |
5847 |
3899 |
|
Date: 2012-03-01:
| 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 |
14169 |
6782 |
497 |
317 |
160 |
88 |
15 |
0 |
| OW |
0 |
143 |
123 |
191 |
185 |
107 |
27 |
0 |
| VODI |
0 |
15 |
62 |
226 |
318 |
459 |
75 |
0 |
| ODI |
0 |
0 |
15 |
96 |
284 |
624 |
237 |
0 |
| CDI |
0 |
0 |
1 |
32 |
276 |
638 |
884 |
2 |
| VCDI |
0 |
0 |
1 |
5 |
93 |
830 |
5629 |
3813 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14169 |
6409 |
425 |
318 |
241 |
148 |
87 |
0 |
| OW |
0 |
126 |
37 |
32 |
48 |
59 |
21 |
0 |
| VODI |
0 |
104 |
53 |
101 |
106 |
136 |
52 |
0 |
| ODI |
0 |
53 |
30 |
93 |
118 |
230 |
157 |
0 |
| CDI |
0 |
72 |
27 |
65 |
123 |
336 |
347 |
2 |
| VCDI |
0 |
176 |
127 |
258 |
680 |
1837 |
6203 |
3813 |
|
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