Validation of sea ice concentration - Asian sector
Bulletin date: 2021-12-02
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-11-26:
| 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 |
0 |
1003 |
47 |
182 |
71 |
0 |
0 |
0 |
| OW |
0 |
14 |
9 |
123 |
107 |
10 |
0 |
0 |
| VODI |
0 |
1 |
2 |
75 |
124 |
49 |
0 |
0 |
| ODI |
0 |
0 |
0 |
16 |
107 |
95 |
15 |
0 |
| CDI |
0 |
0 |
0 |
4 |
54 |
236 |
40 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
733 |
9015 |
19886 |
|
...date precedes bulletin
|
Date: 2021-11-28:
| 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 |
3 |
759 |
41 |
187 |
90 |
17 |
0 |
0 |
| OW |
0 |
11 |
4 |
62 |
138 |
63 |
1 |
0 |
| VODI |
0 |
0 |
0 |
11 |
154 |
98 |
24 |
0 |
| ODI |
0 |
0 |
0 |
4 |
62 |
92 |
49 |
0 |
| CDI |
0 |
0 |
0 |
0 |
36 |
127 |
182 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
550 |
8227 |
21070 |
|
...date precedes bulletin
|
Date: 2021-11-30:
| 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 |
0 |
687 |
33 |
139 |
41 |
0 |
0 |
0 |
| OW |
0 |
53 |
11 |
104 |
94 |
3 |
0 |
0 |
| VODI |
0 |
17 |
1 |
56 |
189 |
16 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
140 |
77 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
39 |
216 |
13 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
823 |
7602 |
21692 |
|
...date precedes bulletin
|
Date: 2021-12-02:
| 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 |
0 |
572 |
23 |
85 |
38 |
0 |
0 |
0 |
| OW |
0 |
73 |
8 |
83 |
51 |
4 |
0 |
0 |
| VODI |
0 |
46 |
4 |
69 |
135 |
8 |
0 |
0 |
| ODI |
0 |
18 |
4 |
27 |
150 |
49 |
0 |
0 |
| CDI |
0 |
2 |
1 |
16 |
95 |
130 |
13 |
8 |
| VCDI |
0 |
0 |
0 |
1 |
65 |
652 |
5207 |
24445 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
579 |
24 |
99 |
39 |
0 |
0 |
0 |
| OW |
0 |
68 |
7 |
74 |
55 |
1 |
0 |
0 |
| VODI |
0 |
37 |
5 |
67 |
132 |
12 |
0 |
0 |
| ODI |
0 |
22 |
3 |
23 |
149 |
39 |
0 |
0 |
| CDI |
0 |
5 |
1 |
18 |
85 |
132 |
16 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
74 |
659 |
5204 |
24442 |
|
Date: 2021-12-04:
| 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 |
0 |
476 |
11 |
48 |
27 |
0 |
0 |
0 |
| OW |
0 |
108 |
9 |
68 |
60 |
2 |
0 |
0 |
| VODI |
0 |
65 |
3 |
59 |
73 |
10 |
0 |
0 |
| ODI |
0 |
32 |
1 |
35 |
86 |
44 |
0 |
0 |
| CDI |
0 |
7 |
2 |
19 |
62 |
174 |
35 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
834 |
6948 |
22720 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
489 |
15 |
68 |
46 |
0 |
0 |
0 |
| OW |
0 |
97 |
5 |
52 |
50 |
4 |
0 |
0 |
| VODI |
0 |
63 |
3 |
56 |
64 |
13 |
0 |
0 |
| ODI |
0 |
24 |
0 |
37 |
81 |
33 |
0 |
0 |
| CDI |
0 |
15 |
3 |
14 |
66 |
159 |
39 |
11 |
| VCDI |
0 |
0 |
0 |
2 |
50 |
855 |
6944 |
22724 |
|
Date: 2021-12-06:
| 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 |
0 |
624 |
18 |
56 |
21 |
0 |
0 |
0 |
| OW |
0 |
93 |
11 |
68 |
35 |
0 |
0 |
0 |
| VODI |
0 |
51 |
10 |
68 |
64 |
0 |
0 |
0 |
| ODI |
0 |
21 |
3 |
49 |
110 |
0 |
0 |
0 |
| CDI |
0 |
1 |
3 |
33 |
132 |
61 |
4 |
12 |
| VCDI |
0 |
0 |
0 |
20 |
94 |
781 |
6113 |
23526 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
525 |
16 |
66 |
40 |
0 |
0 |
0 |
| OW |
0 |
87 |
4 |
31 |
25 |
0 |
0 |
0 |
| VODI |
0 |
81 |
10 |
49 |
55 |
0 |
0 |
0 |
| ODI |
0 |
49 |
9 |
53 |
85 |
4 |
0 |
0 |
| CDI |
0 |
36 |
4 |
46 |
115 |
72 |
27 |
31 |
| VCDI |
0 |
12 |
2 |
49 |
136 |
766 |
6090 |
23507 |
|
Date: 2021-12-08:
| 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 |
0 |
567 |
14 |
61 |
11 |
0 |
0 |
0 |
| OW |
0 |
115 |
11 |
66 |
31 |
0 |
0 |
0 |
| VODI |
0 |
84 |
9 |
90 |
41 |
0 |
0 |
0 |
| ODI |
0 |
31 |
3 |
112 |
85 |
0 |
0 |
0 |
| CDI |
0 |
8 |
4 |
69 |
173 |
21 |
0 |
29 |
| VCDI |
0 |
0 |
0 |
37 |
373 |
1281 |
4345 |
24411 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
496 |
14 |
84 |
33 |
0 |
0 |
0 |
| OW |
0 |
103 |
8 |
33 |
18 |
0 |
0 |
0 |
| VODI |
0 |
80 |
5 |
81 |
44 |
0 |
0 |
0 |
| ODI |
0 |
69 |
5 |
104 |
65 |
0 |
0 |
0 |
| CDI |
0 |
37 |
7 |
72 |
178 |
34 |
0 |
1 |
| VCDI |
0 |
20 |
2 |
61 |
376 |
1268 |
4345 |
24439 |
|
Date: 2021-12-10:
| 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 |
0 |
490 |
16 |
80 |
23 |
0 |
0 |
0 |
| OW |
0 |
111 |
11 |
50 |
48 |
0 |
0 |
0 |
| VODI |
0 |
72 |
8 |
57 |
60 |
0 |
0 |
0 |
| ODI |
0 |
27 |
6 |
72 |
91 |
3 |
0 |
0 |
| CDI |
0 |
8 |
5 |
79 |
115 |
26 |
4 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
267 |
908 |
5811 |
23611 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
398 |
17 |
96 |
55 |
0 |
0 |
0 |
| OW |
0 |
117 |
7 |
25 |
26 |
0 |
0 |
0 |
| VODI |
0 |
97 |
4 |
63 |
52 |
0 |
0 |
0 |
| ODI |
0 |
55 |
9 |
40 |
88 |
11 |
0 |
0 |
| CDI |
0 |
28 |
7 |
83 |
111 |
114 |
5 |
3 |
| VCDI |
0 |
13 |
2 |
54 |
272 |
812 |
5810 |
23608 |
|
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