Validation of sea ice concentration - Asian sector
Bulletin date: 2022-02-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-18:
| 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 |
112 |
9 |
101 |
23 |
0 |
0 |
0 |
| OW |
0 |
29 |
5 |
7 |
19 |
0 |
0 |
0 |
| VODI |
0 |
47 |
1 |
1 |
20 |
0 |
0 |
0 |
| ODI |
0 |
44 |
2 |
3 |
12 |
5 |
0 |
0 |
| CDI |
0 |
77 |
3 |
18 |
20 |
86 |
65 |
37 |
| VCDI |
0 |
396 |
28 |
310 |
391 |
1301 |
8327 |
20583 |
|
...date precedes bulletin
|
Date: 2022-02-20:
| 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 |
99 |
4 |
107 |
0 |
0 |
0 |
0 |
| OW |
0 |
25 |
5 |
30 |
6 |
0 |
0 |
0 |
| VODI |
0 |
38 |
2 |
15 |
16 |
0 |
0 |
0 |
| ODI |
0 |
27 |
0 |
6 |
34 |
3 |
1 |
0 |
| CDI |
0 |
39 |
1 |
6 |
56 |
40 |
83 |
21 |
| VCDI |
0 |
313 |
23 |
158 |
443 |
2123 |
9438 |
18920 |
|
...date precedes bulletin
|
Date: 2022-02-22:
| 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 |
114 |
8 |
45 |
19 |
0 |
0 |
0 |
| OW |
0 |
15 |
1 |
30 |
17 |
0 |
0 |
0 |
| VODI |
0 |
15 |
3 |
13 |
24 |
0 |
0 |
0 |
| ODI |
0 |
15 |
2 |
7 |
15 |
5 |
0 |
0 |
| CDI |
0 |
25 |
0 |
11 |
12 |
85 |
76 |
26 |
| VCDI |
0 |
124 |
15 |
133 |
256 |
1084 |
8441 |
21446 |
|
...date precedes bulletin
|
Date: 2022-02-24:
| 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 |
158 |
7 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
33 |
7 |
19 |
2 |
0 |
0 |
0 |
| VODI |
0 |
29 |
4 |
27 |
7 |
0 |
0 |
0 |
| ODI |
0 |
25 |
0 |
9 |
9 |
0 |
0 |
0 |
| CDI |
0 |
27 |
0 |
8 |
26 |
48 |
23 |
8 |
| VCDI |
0 |
163 |
17 |
108 |
216 |
646 |
8694 |
21744 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
157 |
7 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
32 |
7 |
15 |
2 |
0 |
0 |
0 |
| VODI |
0 |
29 |
3 |
29 |
7 |
0 |
0 |
0 |
| ODI |
0 |
29 |
1 |
11 |
10 |
1 |
0 |
0 |
| CDI |
0 |
26 |
0 |
10 |
33 |
58 |
28 |
8 |
| VCDI |
0 |
162 |
17 |
106 |
208 |
635 |
8689 |
21744 |
|
Date: 2022-02-26:
| 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 |
160 |
6 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
54 |
2 |
13 |
6 |
0 |
0 |
0 |
| VODI |
0 |
54 |
2 |
13 |
10 |
0 |
0 |
0 |
| ODI |
0 |
38 |
2 |
8 |
14 |
2 |
2 |
0 |
| CDI |
0 |
47 |
1 |
6 |
29 |
17 |
25 |
9 |
| VCDI |
0 |
297 |
22 |
151 |
290 |
693 |
6614 |
23473 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
174 |
6 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
44 |
2 |
19 |
4 |
0 |
0 |
0 |
| VODI |
0 |
50 |
3 |
15 |
10 |
0 |
0 |
0 |
| ODI |
0 |
42 |
2 |
8 |
20 |
1 |
1 |
0 |
| CDI |
0 |
45 |
1 |
7 |
32 |
21 |
20 |
9 |
| VCDI |
0 |
295 |
21 |
149 |
283 |
690 |
6620 |
23473 |
|
Date: 2022-02-28:
| 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 |
0 |
188 |
15 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
31 |
2 |
30 |
5 |
0 |
0 |
0 |
| VODI |
0 |
34 |
2 |
21 |
7 |
0 |
0 |
0 |
| ODI |
0 |
20 |
1 |
4 |
24 |
0 |
0 |
0 |
| CDI |
0 |
25 |
1 |
9 |
25 |
44 |
3 |
16 |
| VCDI |
0 |
187 |
16 |
102 |
235 |
615 |
4801 |
25596 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
160 |
11 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
35 |
5 |
33 |
2 |
0 |
0 |
0 |
| VODI |
0 |
41 |
2 |
28 |
7 |
0 |
0 |
0 |
| ODI |
0 |
30 |
1 |
6 |
19 |
0 |
0 |
0 |
| CDI |
0 |
38 |
2 |
11 |
30 |
17 |
9 |
16 |
| VCDI |
0 |
181 |
16 |
104 |
238 |
642 |
4795 |
25596 |
|
Date: 2022-03-02:
| 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 |
165 |
10 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
2 |
33 |
2 |
0 |
0 |
0 |
| VODI |
0 |
26 |
4 |
10 |
12 |
0 |
0 |
0 |
| ODI |
0 |
19 |
2 |
3 |
13 |
1 |
0 |
0 |
| CDI |
0 |
25 |
1 |
5 |
15 |
16 |
20 |
8 |
| VCDI |
0 |
172 |
17 |
109 |
198 |
398 |
4449 |
26297 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
132 |
9 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
30 |
2 |
24 |
1 |
0 |
0 |
0 |
| VODI |
0 |
34 |
4 |
22 |
6 |
0 |
0 |
0 |
| ODI |
0 |
25 |
2 |
6 |
15 |
1 |
0 |
0 |
| CDI |
0 |
32 |
2 |
3 |
15 |
25 |
52 |
24 |
| VCDI |
0 |
181 |
17 |
112 |
203 |
389 |
4417 |
26281 |
|
Date: 2022-03-04:
| 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 |
115 |
13 |
51 |
2 |
0 |
0 |
0 |
| OW |
0 |
22 |
1 |
19 |
8 |
0 |
0 |
0 |
| VODI |
0 |
23 |
1 |
15 |
20 |
0 |
0 |
0 |
| ODI |
0 |
20 |
1 |
6 |
15 |
2 |
0 |
0 |
| CDI |
0 |
24 |
1 |
8 |
7 |
37 |
11 |
14 |
| VCDI |
0 |
132 |
15 |
94 |
153 |
270 |
2853 |
28129 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
92 |
11 |
32 |
0 |
0 |
0 |
0 |
| OW |
0 |
24 |
1 |
26 |
9 |
0 |
0 |
0 |
| VODI |
0 |
22 |
1 |
19 |
17 |
0 |
0 |
0 |
| ODI |
0 |
19 |
2 |
8 |
17 |
4 |
0 |
0 |
| CDI |
0 |
29 |
2 |
9 |
8 |
29 |
46 |
3 |
| VCDI |
0 |
150 |
15 |
99 |
154 |
276 |
2818 |
28140 |
|
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