Validation of sea ice concentration
Bulletin date: 2012-02-29
Model vs. observations, sea ice class contingency tables
Date: 2012-02-23:
| 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 |
13201 |
7478 |
725 |
881 |
294 |
84 |
6 |
0 |
| OW |
0 |
86 |
200 |
503 |
286 |
94 |
25 |
0 |
| VODI |
0 |
4 |
129 |
390 |
499 |
327 |
92 |
0 |
| ODI |
0 |
0 |
8 |
70 |
192 |
438 |
290 |
2 |
| CDI |
0 |
0 |
0 |
34 |
128 |
516 |
721 |
38 |
| VCDI |
0 |
0 |
0 |
7 |
41 |
872 |
4773 |
3985 |
|
...date precedes bulletin
|
Date: 2012-02-27:
| 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 |
13555 |
6907 |
554 |
357 |
191 |
47 |
16 |
0 |
| OW |
0 |
64 |
231 |
251 |
181 |
101 |
16 |
0 |
| VODI |
0 |
12 |
99 |
291 |
547 |
378 |
61 |
0 |
| ODI |
0 |
4 |
40 |
167 |
439 |
711 |
131 |
0 |
| CDI |
0 |
0 |
3 |
67 |
240 |
1107 |
469 |
22 |
| VCDI |
0 |
0 |
0 |
21 |
109 |
992 |
5139 |
3899 |
|
...date precedes bulletin
|
Date: 2012-02-29:
| 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 |
13436 |
6968 |
962 |
481 |
122 |
19 |
14 |
0 |
| OW |
0 |
60 |
89 |
257 |
283 |
72 |
21 |
0 |
| VODI |
0 |
11 |
34 |
231 |
651 |
384 |
82 |
0 |
| ODI |
0 |
0 |
5 |
73 |
318 |
709 |
348 |
0 |
| CDI |
0 |
0 |
2 |
23 |
253 |
678 |
1082 |
4 |
| VCDI |
0 |
0 |
1 |
8 |
91 |
679 |
5141 |
3827 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13436 |
6809 |
830 |
340 |
271 |
71 |
85 |
0 |
| OW |
0 |
57 |
42 |
78 |
81 |
38 |
26 |
0 |
| VODI |
0 |
53 |
56 |
107 |
190 |
145 |
79 |
0 |
| ODI |
0 |
32 |
38 |
134 |
161 |
281 |
176 |
0 |
| CDI |
0 |
77 |
76 |
152 |
467 |
416 |
534 |
3 |
| VCDI |
0 |
11 |
51 |
262 |
548 |
1590 |
5788 |
3828 |
|
Date: 2012-03-04:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2012-03-06:
| 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 |
13714 |
7008 |
446 |
252 |
101 |
67 |
20 |
0 |
| OW |
0 |
114 |
144 |
175 |
127 |
147 |
17 |
0 |
| VODI |
0 |
24 |
181 |
162 |
189 |
330 |
42 |
0 |
| ODI |
0 |
0 |
72 |
110 |
239 |
744 |
67 |
0 |
| CDI |
0 |
0 |
28 |
71 |
183 |
1037 |
389 |
30 |
| VCDI |
0 |
0 |
5 |
51 |
123 |
1056 |
5882 |
4072 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13714 |
6933 |
389 |
289 |
196 |
321 |
51 |
0 |
| OW |
0 |
84 |
68 |
54 |
33 |
76 |
14 |
0 |
| VODI |
0 |
65 |
99 |
100 |
78 |
127 |
31 |
0 |
| ODI |
0 |
18 |
63 |
112 |
113 |
226 |
37 |
0 |
| CDI |
0 |
13 |
55 |
92 |
164 |
618 |
200 |
31 |
| VCDI |
0 |
33 |
202 |
174 |
378 |
2013 |
6084 |
4071 |
|
Date: 2012-03-08:
| 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 |
14058 |
7411 |
610 |
369 |
191 |
24 |
13 |
0 |
| OW |
0 |
99 |
124 |
168 |
205 |
56 |
22 |
0 |
| VODI |
0 |
9 |
47 |
166 |
283 |
172 |
92 |
0 |
| ODI |
0 |
0 |
3 |
61 |
267 |
595 |
279 |
1 |
| CDI |
0 |
0 |
1 |
52 |
158 |
558 |
1024 |
90 |
| VCDI |
0 |
0 |
0 |
10 |
58 |
447 |
5057 |
4639 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14058 |
6987 |
454 |
268 |
266 |
62 |
83 |
0 |
| OW |
0 |
137 |
37 |
33 |
61 |
30 |
30 |
0 |
| VODI |
0 |
141 |
64 |
62 |
87 |
59 |
50 |
0 |
| ODI |
0 |
72 |
51 |
79 |
119 |
107 |
73 |
0 |
| CDI |
0 |
46 |
64 |
126 |
196 |
362 |
253 |
88 |
| VCDI |
0 |
136 |
115 |
258 |
433 |
1232 |
5998 |
4642 |
|
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