Validation of sea ice concentration
Bulletin date: 2012-10-04
Model vs. observations, sea ice class contingency tables
Date: 2012-09-28:
| 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 |
24383 |
5705 |
375 |
242 |
248 |
18 |
0 |
0 |
| OW |
0 |
9 |
37 |
83 |
148 |
48 |
0 |
0 |
| VODI |
0 |
5 |
23 |
56 |
110 |
200 |
0 |
0 |
| ODI |
0 |
0 |
0 |
46 |
117 |
241 |
3 |
0 |
| CDI |
0 |
0 |
0 |
9 |
98 |
350 |
113 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
84 |
516 |
2359 |
1787 |
|
...date precedes bulletin
|
Date: 2012-10-02:
| 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 |
24186 |
5287 |
548 |
321 |
140 |
4 |
0 |
0 |
| OW |
0 |
131 |
63 |
73 |
131 |
20 |
0 |
0 |
| VODI |
0 |
5 |
43 |
125 |
233 |
130 |
3 |
0 |
| ODI |
0 |
0 |
1 |
27 |
199 |
199 |
26 |
0 |
| CDI |
0 |
0 |
0 |
9 |
58 |
368 |
44 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
133 |
655 |
2537 |
1707 |
|
...date precedes bulletin
|
Date: 2012-10-04:
| 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 |
24662 |
4855 |
395 |
205 |
190 |
44 |
0 |
0 |
| OW |
0 |
206 |
76 |
55 |
101 |
102 |
0 |
0 |
| VODI |
0 |
46 |
51 |
92 |
109 |
146 |
0 |
0 |
| ODI |
0 |
0 |
1 |
27 |
149 |
218 |
6 |
0 |
| CDI |
0 |
0 |
0 |
6 |
75 |
356 |
41 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
43 |
702 |
2657 |
1801 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24662 |
5093 |
461 |
271 |
351 |
251 |
0 |
0 |
| OW |
0 |
7 |
27 |
24 |
27 |
46 |
0 |
0 |
| VODI |
0 |
7 |
24 |
42 |
48 |
60 |
0 |
0 |
| ODI |
0 |
0 |
10 |
33 |
76 |
76 |
0 |
0 |
| CDI |
0 |
0 |
1 |
15 |
99 |
262 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
66 |
873 |
2681 |
1801 |
|
Date: 2012-10-08:
| 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 |
24256 |
5174 |
470 |
204 |
25 |
8 |
0 |
0 |
| OW |
0 |
19 |
83 |
120 |
53 |
8 |
0 |
0 |
| VODI |
0 |
5 |
33 |
127 |
116 |
36 |
2 |
0 |
| ODI |
0 |
0 |
19 |
54 |
160 |
138 |
22 |
0 |
| CDI |
0 |
0 |
4 |
33 |
154 |
289 |
56 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
71 |
727 |
3029 |
1923 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24256 |
5162 |
483 |
357 |
247 |
111 |
6 |
0 |
| OW |
0 |
14 |
25 |
22 |
30 |
40 |
4 |
0 |
| VODI |
0 |
11 |
35 |
38 |
47 |
47 |
5 |
0 |
| ODI |
0 |
5 |
25 |
50 |
47 |
44 |
8 |
0 |
| CDI |
0 |
6 |
29 |
36 |
93 |
145 |
44 |
0 |
| VCDI |
0 |
0 |
12 |
36 |
115 |
819 |
3042 |
1923 |
|
Date: 2012-10-10:
| 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 |
24693 |
4806 |
361 |
182 |
43 |
7 |
0 |
0 |
| OW |
0 |
45 |
81 |
101 |
87 |
11 |
0 |
0 |
| VODI |
0 |
4 |
43 |
80 |
141 |
59 |
4 |
0 |
| ODI |
0 |
0 |
10 |
23 |
111 |
168 |
13 |
0 |
| CDI |
0 |
0 |
0 |
29 |
152 |
236 |
39 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
84 |
675 |
3198 |
1925 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24693 |
4831 |
409 |
289 |
288 |
119 |
15 |
0 |
| OW |
0 |
14 |
26 |
29 |
45 |
27 |
5 |
0 |
| VODI |
0 |
6 |
22 |
43 |
70 |
43 |
11 |
0 |
| ODI |
0 |
3 |
19 |
23 |
71 |
49 |
5 |
0 |
| CDI |
0 |
1 |
17 |
21 |
65 |
172 |
43 |
0 |
| VCDI |
0 |
0 |
2 |
18 |
79 |
746 |
3175 |
1925 |
|
Date: 2012-10-12:
| 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 |
24517 |
4673 |
294 |
164 |
54 |
18 |
0 |
0 |
| OW |
1 |
234 |
44 |
39 |
96 |
26 |
0 |
0 |
| VODI |
0 |
49 |
62 |
54 |
145 |
99 |
1 |
0 |
| ODI |
0 |
0 |
13 |
32 |
50 |
225 |
9 |
0 |
| CDI |
0 |
0 |
0 |
11 |
62 |
313 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
71 |
607 |
3447 |
1968 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24518 |
4948 |
388 |
255 |
291 |
275 |
20 |
0 |
| OW |
0 |
5 |
8 |
10 |
26 |
59 |
4 |
0 |
| VODI |
0 |
2 |
11 |
11 |
30 |
71 |
11 |
0 |
| ODI |
0 |
1 |
2 |
22 |
40 |
91 |
13 |
0 |
| CDI |
0 |
0 |
4 |
11 |
50 |
159 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
41 |
633 |
3370 |
1968 |
|
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