Validation of sea ice concentration - Asian sector
Bulletin date: 2022-03-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-25:
| 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 |
160 |
5 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
48 |
3 |
13 |
2 |
0 |
0 |
0 |
| VODI |
0 |
46 |
4 |
18 |
6 |
0 |
0 |
0 |
| ODI |
0 |
38 |
1 |
5 |
8 |
7 |
0 |
1 |
| CDI |
0 |
39 |
2 |
11 |
24 |
23 |
0 |
32 |
| VCDI |
0 |
206 |
19 |
119 |
269 |
594 |
5579 |
24782 |
|
...date precedes bulletin
|
Date: 2022-02-27:
| 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 |
0 |
156 |
10 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
45 |
4 |
21 |
5 |
0 |
0 |
0 |
| VODI |
0 |
35 |
2 |
20 |
4 |
0 |
0 |
0 |
| ODI |
0 |
30 |
3 |
3 |
13 |
1 |
0 |
0 |
| CDI |
0 |
35 |
1 |
4 |
18 |
18 |
5 |
16 |
| VCDI |
0 |
242 |
22 |
144 |
252 |
602 |
5010 |
25339 |
|
...date precedes bulletin
|
Date: 2022-03-01:
| 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 |
0 |
190 |
10 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
6 |
28 |
0 |
0 |
0 |
0 |
| VODI |
0 |
31 |
1 |
20 |
2 |
0 |
0 |
0 |
| ODI |
0 |
23 |
1 |
5 |
14 |
0 |
0 |
0 |
| CDI |
0 |
26 |
0 |
8 |
17 |
23 |
16 |
14 |
| VCDI |
0 |
182 |
20 |
111 |
217 |
713 |
4841 |
25525 |
|
...date precedes bulletin
|
Date: 2022-03-03:
| 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 |
141 |
13 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
25 |
2 |
26 |
4 |
0 |
0 |
0 |
| VODI |
0 |
24 |
2 |
20 |
11 |
0 |
0 |
0 |
| ODI |
0 |
19 |
0 |
7 |
14 |
2 |
0 |
0 |
| CDI |
0 |
21 |
1 |
4 |
13 |
49 |
18 |
26 |
| VCDI |
0 |
159 |
15 |
107 |
173 |
311 |
3182 |
27659 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
144 |
13 |
36 |
0 |
0 |
0 |
0 |
| OW |
0 |
23 |
2 |
24 |
4 |
0 |
0 |
0 |
| VODI |
0 |
23 |
2 |
21 |
10 |
0 |
0 |
0 |
| ODI |
0 |
18 |
0 |
6 |
14 |
1 |
0 |
0 |
| CDI |
0 |
21 |
1 |
4 |
15 |
38 |
9 |
27 |
| VCDI |
0 |
160 |
15 |
107 |
172 |
323 |
3191 |
27658 |
|
Date: 2022-03-05:
| 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 |
0 |
104 |
12 |
54 |
4 |
0 |
0 |
0 |
| OW |
0 |
21 |
1 |
20 |
9 |
0 |
0 |
0 |
| VODI |
0 |
26 |
0 |
13 |
23 |
0 |
0 |
0 |
| ODI |
0 |
16 |
0 |
9 |
17 |
7 |
0 |
0 |
| CDI |
0 |
22 |
1 |
10 |
5 |
31 |
1 |
4 |
| VCDI |
0 |
114 |
12 |
77 |
130 |
266 |
2940 |
28133 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
106 |
13 |
56 |
4 |
0 |
0 |
0 |
| OW |
0 |
20 |
0 |
20 |
12 |
0 |
0 |
0 |
| VODI |
0 |
25 |
0 |
13 |
22 |
0 |
0 |
0 |
| ODI |
0 |
16 |
0 |
7 |
14 |
7 |
0 |
0 |
| CDI |
0 |
21 |
1 |
10 |
6 |
28 |
1 |
2 |
| VCDI |
0 |
115 |
12 |
77 |
130 |
269 |
2940 |
28135 |
|
Date: 2022-03-07:
| 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 |
54 |
7 |
75 |
27 |
0 |
0 |
0 |
| OW |
0 |
17 |
1 |
19 |
20 |
0 |
0 |
0 |
| VODI |
0 |
10 |
1 |
20 |
32 |
0 |
0 |
0 |
| ODI |
0 |
11 |
1 |
12 |
22 |
0 |
0 |
0 |
| CDI |
0 |
9 |
1 |
30 |
24 |
29 |
0 |
8 |
| VCDI |
0 |
57 |
11 |
51 |
112 |
270 |
3204 |
27947 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
55 |
7 |
72 |
32 |
0 |
0 |
0 |
| OW |
0 |
10 |
1 |
19 |
18 |
0 |
0 |
0 |
| VODI |
0 |
14 |
1 |
16 |
30 |
0 |
0 |
0 |
| ODI |
0 |
10 |
1 |
15 |
22 |
0 |
0 |
0 |
| CDI |
0 |
10 |
1 |
20 |
14 |
42 |
11 |
4 |
| VCDI |
0 |
59 |
11 |
65 |
121 |
257 |
3193 |
27951 |
|
Date: 2022-03-09:
| 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 |
0 |
137 |
5 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
6 |
22 |
3 |
0 |
0 |
0 |
| VODI |
0 |
23 |
2 |
24 |
10 |
0 |
0 |
0 |
| ODI |
0 |
16 |
2 |
11 |
9 |
0 |
0 |
0 |
| CDI |
0 |
25 |
1 |
9 |
16 |
6 |
9 |
4 |
| VCDI |
0 |
83 |
11 |
67 |
134 |
310 |
3303 |
27792 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
136 |
2 |
12 |
2 |
0 |
0 |
0 |
| OW |
0 |
34 |
3 |
16 |
6 |
0 |
0 |
0 |
| VODI |
0 |
32 |
7 |
18 |
9 |
0 |
0 |
0 |
| ODI |
0 |
20 |
2 |
17 |
8 |
6 |
0 |
0 |
| CDI |
0 |
20 |
1 |
14 |
10 |
10 |
1 |
24 |
| VCDI |
0 |
69 |
12 |
71 |
137 |
300 |
3311 |
27772 |
|
Date: 2022-03-11:
| 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 |
0 |
148 |
6 |
23 |
6 |
0 |
0 |
0 |
| OW |
0 |
56 |
0 |
8 |
8 |
0 |
0 |
0 |
| VODI |
0 |
50 |
7 |
12 |
7 |
2 |
0 |
0 |
| ODI |
0 |
28 |
1 |
14 |
4 |
8 |
0 |
0 |
| CDI |
0 |
31 |
2 |
18 |
11 |
49 |
0 |
20 |
| VCDI |
0 |
189 |
18 |
144 |
260 |
613 |
5044 |
25295 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
128 |
6 |
22 |
4 |
0 |
0 |
0 |
| OW |
0 |
52 |
1 |
9 |
9 |
1 |
0 |
0 |
| VODI |
0 |
54 |
4 |
10 |
9 |
4 |
0 |
0 |
| ODI |
0 |
37 |
1 |
13 |
3 |
11 |
0 |
0 |
| CDI |
0 |
31 |
3 |
10 |
11 |
52 |
0 |
38 |
| VCDI |
0 |
200 |
19 |
155 |
260 |
604 |
5044 |
25277 |
|
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