Validation of sea ice concentration
Bulletin date: 2012-10-11
Model vs. observations, sea ice class contingency tables
Date: 2012-10-05:
| 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 |
23939 |
5487 |
417 |
200 |
183 |
28 |
0 |
0 |
| OW |
0 |
226 |
56 |
62 |
85 |
88 |
0 |
0 |
| VODI |
0 |
117 |
44 |
61 |
102 |
135 |
2 |
0 |
| ODI |
0 |
2 |
17 |
59 |
116 |
197 |
3 |
0 |
| CDI |
0 |
0 |
1 |
7 |
88 |
344 |
33 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
48 |
777 |
2702 |
1791 |
|
...date precedes bulletin
|
Date: 2012-10-09:
| 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 |
24439 |
4970 |
502 |
177 |
21 |
9 |
0 |
0 |
| OW |
0 |
13 |
80 |
134 |
54 |
10 |
0 |
0 |
| VODI |
0 |
5 |
11 |
121 |
156 |
39 |
1 |
0 |
| ODI |
0 |
2 |
4 |
46 |
188 |
77 |
25 |
0 |
| CDI |
0 |
0 |
0 |
7 |
145 |
240 |
75 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
92 |
798 |
2983 |
1994 |
|
...date precedes bulletin
|
Date: 2012-10-11:
| 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 |
24730 |
4777 |
304 |
176 |
36 |
0 |
0 |
0 |
| OW |
0 |
100 |
60 |
97 |
87 |
5 |
0 |
0 |
| VODI |
0 |
26 |
26 |
74 |
144 |
56 |
5 |
0 |
| ODI |
0 |
6 |
5 |
24 |
120 |
132 |
8 |
0 |
| CDI |
0 |
0 |
2 |
30 |
136 |
214 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
125 |
699 |
3232 |
1927 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24730 |
4846 |
341 |
265 |
243 |
71 |
2 |
0 |
| OW |
0 |
41 |
19 |
39 |
44 |
19 |
3 |
0 |
| VODI |
0 |
15 |
16 |
33 |
66 |
25 |
8 |
0 |
| ODI |
0 |
7 |
12 |
19 |
82 |
36 |
7 |
0 |
| CDI |
0 |
0 |
9 |
49 |
126 |
171 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
87 |
784 |
3236 |
1927 |
|
Date: 2012-10-15:
| 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 |
24224 |
4795 |
377 |
324 |
62 |
23 |
0 |
0 |
| OW |
4 |
1 |
22 |
65 |
108 |
47 |
1 |
0 |
| VODI |
0 |
1 |
6 |
29 |
111 |
112 |
1 |
0 |
| ODI |
0 |
0 |
11 |
12 |
48 |
272 |
4 |
0 |
| CDI |
0 |
0 |
47 |
15 |
33 |
491 |
52 |
0 |
| VCDI |
0 |
0 |
29 |
39 |
84 |
439 |
3499 |
2031 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24228 |
4765 |
364 |
342 |
185 |
250 |
0 |
0 |
| OW |
0 |
11 |
11 |
22 |
37 |
56 |
0 |
0 |
| VODI |
0 |
16 |
16 |
25 |
30 |
98 |
3 |
0 |
| ODI |
0 |
5 |
11 |
20 |
34 |
102 |
8 |
0 |
| CDI |
0 |
0 |
39 |
23 |
58 |
232 |
76 |
0 |
| VCDI |
0 |
0 |
51 |
52 |
102 |
646 |
3470 |
2031 |
|
Date: 2012-10-17:
| 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 |
23767 |
5106 |
373 |
265 |
176 |
8 |
0 |
0 |
| OW |
5 |
24 |
37 |
70 |
70 |
48 |
0 |
0 |
| VODI |
0 |
9 |
12 |
45 |
80 |
114 |
8 |
0 |
| ODI |
0 |
0 |
5 |
24 |
86 |
146 |
9 |
0 |
| CDI |
0 |
0 |
1 |
30 |
140 |
263 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
89 |
81 |
523 |
3632 |
2119 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23772 |
5030 |
370 |
286 |
322 |
163 |
23 |
0 |
| OW |
0 |
24 |
9 |
22 |
38 |
37 |
5 |
0 |
| VODI |
0 |
26 |
14 |
32 |
55 |
61 |
9 |
0 |
| ODI |
0 |
24 |
10 |
37 |
42 |
49 |
7 |
0 |
| CDI |
0 |
20 |
17 |
47 |
75 |
115 |
55 |
0 |
| VCDI |
0 |
15 |
8 |
99 |
101 |
677 |
3604 |
2119 |
|
Date: 2012-10-19:
| 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 |
23839 |
4966 |
333 |
275 |
106 |
4 |
0 |
0 |
| OW |
47 |
49 |
102 |
71 |
60 |
13 |
0 |
0 |
| VODI |
2 |
17 |
38 |
69 |
93 |
61 |
13 |
0 |
| ODI |
0 |
4 |
10 |
31 |
70 |
117 |
35 |
0 |
| CDI |
0 |
0 |
2 |
38 |
55 |
240 |
142 |
0 |
| VCDI |
0 |
0 |
0 |
54 |
62 |
437 |
3713 |
2251 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23888 |
4858 |
309 |
315 |
228 |
191 |
40 |
0 |
| OW |
0 |
45 |
23 |
8 |
6 |
29 |
7 |
0 |
| VODI |
0 |
41 |
39 |
12 |
13 |
53 |
14 |
0 |
| ODI |
0 |
22 |
35 |
16 |
11 |
35 |
17 |
0 |
| CDI |
0 |
35 |
34 |
42 |
26 |
82 |
56 |
0 |
| VCDI |
0 |
35 |
45 |
145 |
162 |
482 |
3769 |
2251 |
|
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