Validation of sea ice concentration - Asian sector
Bulletin date: 2022-02-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-11:
| 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 |
231 |
7 |
25 |
1 |
0 |
0 |
0 |
| OW |
0 |
75 |
2 |
7 |
2 |
0 |
0 |
0 |
| VODI |
0 |
105 |
5 |
17 |
17 |
0 |
0 |
0 |
| ODI |
0 |
135 |
0 |
33 |
64 |
13 |
0 |
0 |
| CDI |
0 |
118 |
2 |
44 |
103 |
50 |
28 |
94 |
| VCDI |
0 |
388 |
28 |
165 |
483 |
1266 |
7897 |
20677 |
|
...date precedes bulletin
|
Date: 2022-02-13:
| 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 |
204 |
11 |
33 |
0 |
0 |
0 |
0 |
| OW |
0 |
65 |
4 |
14 |
2 |
0 |
0 |
0 |
| VODI |
0 |
116 |
2 |
10 |
5 |
0 |
0 |
0 |
| ODI |
0 |
153 |
1 |
12 |
38 |
19 |
0 |
0 |
| CDI |
0 |
165 |
5 |
33 |
120 |
88 |
36 |
87 |
| VCDI |
0 |
412 |
30 |
159 |
645 |
1671 |
7928 |
20014 |
|
...date precedes bulletin
|
Date: 2022-02-15:
| 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 |
0 |
211 |
15 |
51 |
4 |
0 |
0 |
0 |
| OW |
0 |
54 |
0 |
21 |
3 |
0 |
0 |
0 |
| VODI |
0 |
129 |
2 |
14 |
8 |
0 |
0 |
0 |
| ODI |
0 |
221 |
2 |
18 |
27 |
23 |
0 |
0 |
| CDI |
0 |
157 |
7 |
36 |
85 |
87 |
23 |
14 |
| VCDI |
0 |
249 |
26 |
235 |
689 |
1787 |
7826 |
20058 |
|
...date precedes bulletin
|
Date: 2022-02-17:
| 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 |
0 |
147 |
8 |
99 |
1 |
0 |
0 |
0 |
| OW |
0 |
38 |
0 |
16 |
14 |
0 |
0 |
0 |
| VODI |
0 |
57 |
0 |
1 |
18 |
0 |
0 |
0 |
| ODI |
0 |
63 |
1 |
6 |
19 |
11 |
1 |
0 |
| CDI |
0 |
164 |
3 |
34 |
57 |
54 |
39 |
8 |
| VCDI |
0 |
438 |
30 |
262 |
452 |
1478 |
8272 |
20291 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
145 |
8 |
99 |
2 |
0 |
0 |
0 |
| OW |
0 |
35 |
0 |
16 |
14 |
0 |
0 |
0 |
| VODI |
0 |
55 |
0 |
1 |
16 |
0 |
0 |
0 |
| ODI |
0 |
62 |
1 |
5 |
16 |
7 |
0 |
0 |
| CDI |
0 |
188 |
3 |
34 |
60 |
47 |
43 |
10 |
| VCDI |
0 |
422 |
30 |
263 |
453 |
1489 |
8269 |
20289 |
|
Date: 2022-02-19:
| 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 |
0 |
102 |
7 |
100 |
12 |
0 |
0 |
0 |
| OW |
0 |
27 |
4 |
14 |
22 |
0 |
0 |
0 |
| VODI |
0 |
41 |
2 |
5 |
21 |
0 |
0 |
0 |
| ODI |
0 |
37 |
2 |
2 |
17 |
16 |
0 |
0 |
| CDI |
0 |
52 |
1 |
7 |
26 |
92 |
58 |
38 |
| VCDI |
0 |
350 |
22 |
246 |
407 |
1602 |
7950 |
20800 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
101 |
7 |
100 |
16 |
0 |
0 |
0 |
| OW |
0 |
28 |
5 |
14 |
21 |
0 |
0 |
0 |
| VODI |
0 |
41 |
2 |
5 |
21 |
0 |
0 |
0 |
| ODI |
0 |
39 |
1 |
1 |
16 |
19 |
0 |
0 |
| CDI |
0 |
59 |
1 |
10 |
24 |
89 |
59 |
40 |
| VCDI |
0 |
341 |
22 |
244 |
407 |
1602 |
7949 |
20798 |
|
Date: 2022-02-21:
| 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 |
107 |
3 |
56 |
36 |
0 |
0 |
0 |
| OW |
0 |
18 |
2 |
21 |
22 |
0 |
0 |
0 |
| VODI |
0 |
15 |
7 |
17 |
28 |
0 |
0 |
0 |
| ODI |
0 |
24 |
0 |
9 |
44 |
2 |
0 |
0 |
| CDI |
0 |
33 |
0 |
9 |
97 |
111 |
33 |
60 |
| VCDI |
0 |
165 |
17 |
160 |
309 |
1748 |
8761 |
20168 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
96 |
4 |
58 |
38 |
0 |
0 |
0 |
| OW |
0 |
17 |
4 |
23 |
26 |
0 |
0 |
0 |
| VODI |
0 |
28 |
3 |
13 |
22 |
6 |
0 |
0 |
| ODI |
0 |
24 |
1 |
8 |
30 |
18 |
0 |
2 |
| CDI |
0 |
33 |
0 |
9 |
46 |
63 |
38 |
68 |
| VCDI |
0 |
164 |
17 |
161 |
374 |
1774 |
8756 |
20158 |
|
Date: 2022-02-23:
| 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 |
103 |
9 |
54 |
1 |
0 |
0 |
0 |
| OW |
0 |
16 |
1 |
35 |
6 |
0 |
0 |
0 |
| VODI |
0 |
17 |
4 |
13 |
31 |
0 |
0 |
0 |
| ODI |
0 |
17 |
1 |
7 |
15 |
4 |
0 |
0 |
| CDI |
0 |
26 |
1 |
6 |
20 |
60 |
105 |
21 |
| VCDI |
0 |
124 |
8 |
75 |
223 |
1042 |
8388 |
21649 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
96 |
10 |
64 |
4 |
0 |
0 |
0 |
| OW |
0 |
17 |
1 |
31 |
18 |
0 |
0 |
0 |
| VODI |
0 |
19 |
4 |
12 |
26 |
0 |
0 |
0 |
| ODI |
0 |
20 |
1 |
6 |
17 |
1 |
1 |
0 |
| CDI |
0 |
24 |
0 |
5 |
13 |
65 |
168 |
19 |
| VCDI |
0 |
127 |
8 |
72 |
218 |
1040 |
8324 |
21651 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
166 |
6 |
26 |
0 |
0 |
0 |
0 |
| OW |
0 |
46 |
2 |
16 |
5 |
0 |
0 |
0 |
| VODI |
0 |
49 |
4 |
7 |
7 |
0 |
0 |
0 |
| ODI |
0 |
32 |
1 |
4 |
11 |
3 |
0 |
0 |
| CDI |
0 |
31 |
2 |
9 |
14 |
20 |
0 |
28 |
| VCDI |
0 |
213 |
19 |
122 |
272 |
601 |
5579 |
24787 |
|
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