Validation of sea ice concentration - Asian sector
Bulletin date: 2022-01-20
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-01-14:
| 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 |
27 |
14 |
15 |
2 |
0 |
0 |
0 |
| OW |
0 |
21 |
16 |
9 |
6 |
0 |
0 |
0 |
| VODI |
0 |
13 |
30 |
22 |
4 |
3 |
0 |
0 |
| ODI |
0 |
18 |
9 |
11 |
19 |
7 |
0 |
0 |
| CDI |
0 |
11 |
16 |
17 |
18 |
38 |
30 |
0 |
| VCDI |
0 |
11 |
19 |
91 |
196 |
670 |
12329 |
18390 |
|
...date precedes bulletin
|
Date: 2022-01-16:
| 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 |
14 |
25 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
10 |
13 |
17 |
6 |
0 |
0 |
0 |
| VODI |
0 |
17 |
23 |
20 |
5 |
4 |
0 |
0 |
| ODI |
0 |
23 |
27 |
10 |
18 |
5 |
0 |
0 |
| CDI |
0 |
24 |
19 |
10 |
30 |
79 |
30 |
15 |
| VCDI |
0 |
34 |
89 |
171 |
178 |
845 |
10702 |
19601 |
|
...date precedes bulletin
|
Date: 2022-01-18:
| 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 |
48 |
22 |
37 |
14 |
0 |
0 |
0 |
| OW |
0 |
25 |
12 |
27 |
10 |
1 |
0 |
0 |
| VODI |
0 |
25 |
16 |
14 |
11 |
1 |
0 |
0 |
| ODI |
0 |
15 |
17 |
4 |
5 |
4 |
0 |
0 |
| CDI |
0 |
19 |
8 |
7 |
36 |
44 |
42 |
2 |
| VCDI |
0 |
84 |
61 |
183 |
248 |
810 |
11941 |
18289 |
|
...date precedes bulletin
|
Date: 2022-01-20:
| 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 |
41 |
10 |
17 |
21 |
0 |
0 |
0 |
| OW |
0 |
8 |
2 |
18 |
35 |
1 |
0 |
0 |
| VODI |
0 |
11 |
8 |
30 |
21 |
6 |
0 |
0 |
| ODI |
0 |
10 |
13 |
15 |
17 |
6 |
2 |
0 |
| CDI |
0 |
12 |
15 |
12 |
29 |
58 |
16 |
19 |
| VCDI |
0 |
90 |
40 |
127 |
184 |
677 |
10022 |
20489 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
42 |
10 |
17 |
23 |
0 |
0 |
0 |
| OW |
0 |
7 |
2 |
14 |
28 |
1 |
0 |
0 |
| VODI |
0 |
11 |
8 |
29 |
23 |
6 |
0 |
0 |
| ODI |
0 |
10 |
10 |
20 |
21 |
8 |
1 |
0 |
| CDI |
0 |
10 |
17 |
10 |
30 |
61 |
17 |
19 |
| VCDI |
0 |
92 |
41 |
129 |
182 |
672 |
10022 |
20489 |
|
Date: 2022-01-22:
| 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 |
33 |
15 |
12 |
11 |
4 |
0 |
0 |
| OW |
0 |
9 |
7 |
10 |
21 |
0 |
0 |
0 |
| VODI |
0 |
9 |
6 |
19 |
31 |
4 |
0 |
0 |
| ODI |
0 |
9 |
5 |
22 |
26 |
1 |
0 |
0 |
| CDI |
0 |
10 |
5 |
31 |
6 |
26 |
9 |
0 |
| VCDI |
0 |
43 |
32 |
77 |
134 |
513 |
8533 |
22409 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
35 |
16 |
14 |
13 |
4 |
0 |
0 |
| OW |
0 |
8 |
7 |
8 |
20 |
0 |
0 |
0 |
| VODI |
0 |
8 |
5 |
18 |
29 |
4 |
0 |
0 |
| ODI |
0 |
6 |
5 |
21 |
31 |
2 |
0 |
0 |
| CDI |
0 |
12 |
5 |
30 |
2 |
32 |
11 |
2 |
| VCDI |
0 |
44 |
32 |
80 |
134 |
506 |
8531 |
22407 |
|
Date: 2022-01-24:
| 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 |
93 |
103 |
35 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
37 |
31 |
0 |
0 |
0 |
0 |
| VODI |
0 |
24 |
42 |
19 |
2 |
0 |
0 |
0 |
| ODI |
0 |
17 |
47 |
38 |
16 |
4 |
0 |
0 |
| CDI |
0 |
17 |
66 |
65 |
47 |
51 |
18 |
0 |
| VCDI |
0 |
23 |
86 |
113 |
181 |
652 |
10303 |
19934 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
74 |
38 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
15 |
30 |
21 |
0 |
0 |
0 |
0 |
| VODI |
0 |
16 |
29 |
38 |
0 |
0 |
0 |
0 |
| ODI |
0 |
17 |
31 |
17 |
17 |
4 |
0 |
0 |
| CDI |
0 |
20 |
47 |
18 |
38 |
42 |
14 |
0 |
| VCDI |
0 |
50 |
206 |
194 |
191 |
661 |
10307 |
19934 |
|
Date: 2022-01-26:
| 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 |
216 |
22 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
89 |
17 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
114 |
21 |
22 |
1 |
0 |
0 |
0 |
| ODI |
0 |
74 |
51 |
37 |
58 |
12 |
4 |
0 |
| CDI |
0 |
61 |
76 |
61 |
102 |
83 |
49 |
22 |
| VCDI |
0 |
182 |
166 |
249 |
395 |
1763 |
11770 |
16364 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
178 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
86 |
21 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
74 |
22 |
22 |
8 |
0 |
0 |
0 |
| ODI |
0 |
62 |
23 |
21 |
50 |
10 |
2 |
0 |
| CDI |
0 |
57 |
44 |
58 |
89 |
65 |
56 |
3 |
| VCDI |
0 |
279 |
241 |
268 |
409 |
1783 |
11765 |
16383 |
|
Date: 2022-01-28:
| 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 |
180 |
19 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
59 |
22 |
15 |
0 |
0 |
0 |
0 |
| VODI |
0 |
99 |
5 |
23 |
0 |
0 |
0 |
0 |
| ODI |
0 |
92 |
17 |
103 |
64 |
55 |
11 |
0 |
| CDI |
0 |
116 |
40 |
116 |
107 |
166 |
205 |
9 |
| VCDI |
0 |
130 |
236 |
404 |
591 |
2027 |
11885 |
15283 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
157 |
2 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
57 |
25 |
5 |
0 |
0 |
0 |
0 |
| VODI |
0 |
79 |
17 |
58 |
6 |
12 |
5 |
0 |
| ODI |
0 |
88 |
16 |
76 |
64 |
59 |
13 |
0 |
| CDI |
0 |
63 |
22 |
113 |
104 |
138 |
139 |
14 |
| VCDI |
0 |
232 |
257 |
411 |
588 |
2039 |
11944 |
15278 |
|
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