Validation of sea ice concentration - Asian sector
Bulletin date: 2022-02-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
202 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
96 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
103 |
0 |
24 |
0 |
0 |
0 |
0 |
| ODI |
0 |
90 |
1 |
83 |
84 |
77 |
7 |
0 |
| CDI |
0 |
136 |
4 |
77 |
157 |
193 |
152 |
40 |
| VCDI |
0 |
279 |
27 |
233 |
709 |
2338 |
9378 |
17592 |
|
...date precedes bulletin
|
Date: 2022-01-30:
| 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 |
144 |
5 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
47 |
4 |
17 |
5 |
0 |
0 |
0 |
| VODI |
0 |
66 |
0 |
18 |
5 |
0 |
0 |
0 |
| ODI |
0 |
58 |
1 |
6 |
9 |
62 |
0 |
0 |
| CDI |
0 |
80 |
6 |
13 |
102 |
225 |
50 |
32 |
| VCDI |
0 |
173 |
16 |
174 |
586 |
1494 |
8269 |
20399 |
|
...date precedes bulletin
|
Date: 2022-02-01:
| 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 |
201 |
3 |
17 |
2 |
0 |
0 |
0 |
| OW |
0 |
48 |
5 |
16 |
7 |
0 |
0 |
0 |
| VODI |
0 |
48 |
1 |
17 |
19 |
0 |
0 |
0 |
| ODI |
0 |
28 |
3 |
20 |
22 |
25 |
0 |
0 |
| CDI |
0 |
46 |
3 |
12 |
56 |
90 |
35 |
0 |
| VCDI |
0 |
202 |
19 |
127 |
368 |
1577 |
8345 |
20720 |
|
...date precedes bulletin
|
Date: 2022-02-03:
| 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 |
145 |
5 |
26 |
5 |
0 |
0 |
0 |
| OW |
0 |
53 |
3 |
11 |
11 |
1 |
0 |
0 |
| VODI |
0 |
43 |
2 |
14 |
19 |
1 |
0 |
0 |
| ODI |
0 |
25 |
5 |
11 |
20 |
1 |
5 |
0 |
| CDI |
0 |
21 |
1 |
13 |
36 |
30 |
101 |
2 |
| VCDI |
0 |
145 |
16 |
156 |
279 |
946 |
8616 |
21314 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
135 |
5 |
25 |
6 |
0 |
0 |
0 |
| OW |
0 |
54 |
3 |
11 |
10 |
1 |
0 |
0 |
| VODI |
0 |
45 |
2 |
17 |
21 |
2 |
0 |
0 |
| ODI |
0 |
24 |
5 |
8 |
18 |
0 |
5 |
0 |
| CDI |
0 |
29 |
1 |
12 |
20 |
29 |
97 |
2 |
| VCDI |
0 |
145 |
16 |
158 |
295 |
947 |
8620 |
21314 |
|
Date: 2022-02-05:
| 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 |
116 |
8 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
42 |
3 |
23 |
13 |
0 |
0 |
0 |
| VODI |
0 |
48 |
1 |
11 |
23 |
0 |
0 |
0 |
| ODI |
0 |
37 |
1 |
6 |
21 |
2 |
0 |
0 |
| CDI |
0 |
35 |
3 |
14 |
11 |
13 |
33 |
4 |
| VCDI |
0 |
120 |
18 |
127 |
204 |
486 |
6100 |
24536 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
115 |
8 |
21 |
0 |
0 |
0 |
0 |
| OW |
0 |
38 |
2 |
23 |
14 |
0 |
0 |
0 |
| VODI |
0 |
44 |
2 |
12 |
23 |
1 |
0 |
0 |
| ODI |
0 |
37 |
1 |
6 |
26 |
2 |
0 |
0 |
| CDI |
0 |
36 |
2 |
10 |
4 |
10 |
20 |
4 |
| VCDI |
0 |
128 |
19 |
132 |
205 |
488 |
6113 |
24536 |
|
Date: 2022-02-07:
| 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 |
238 |
6 |
20 |
1 |
0 |
0 |
0 |
| OW |
0 |
69 |
2 |
13 |
8 |
0 |
0 |
0 |
| VODI |
0 |
74 |
0 |
12 |
12 |
0 |
0 |
0 |
| ODI |
0 |
51 |
3 |
40 |
18 |
11 |
0 |
0 |
| CDI |
0 |
133 |
9 |
46 |
38 |
35 |
17 |
4 |
| VCDI |
0 |
173 |
11 |
99 |
239 |
603 |
7224 |
22873 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
151 |
5 |
17 |
0 |
0 |
0 |
0 |
| OW |
0 |
60 |
3 |
12 |
6 |
0 |
0 |
0 |
| VODI |
0 |
63 |
0 |
13 |
14 |
0 |
0 |
0 |
| ODI |
0 |
51 |
0 |
8 |
19 |
4 |
0 |
0 |
| CDI |
0 |
53 |
2 |
10 |
15 |
41 |
17 |
0 |
| VCDI |
0 |
360 |
21 |
170 |
262 |
604 |
7224 |
22877 |
|
Date: 2022-02-09:
| 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 |
245 |
7 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
85 |
2 |
5 |
2 |
0 |
0 |
0 |
| VODI |
0 |
101 |
3 |
15 |
16 |
0 |
0 |
0 |
| ODI |
0 |
74 |
2 |
25 |
25 |
12 |
0 |
0 |
| CDI |
0 |
93 |
2 |
17 |
56 |
74 |
16 |
25 |
| VCDI |
0 |
315 |
29 |
134 |
295 |
1048 |
8141 |
21195 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
189 |
6 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
77 |
3 |
17 |
7 |
0 |
0 |
0 |
| VODI |
0 |
69 |
3 |
13 |
13 |
0 |
0 |
0 |
| ODI |
0 |
50 |
0 |
11 |
28 |
12 |
0 |
0 |
| CDI |
0 |
63 |
2 |
6 |
44 |
80 |
17 |
18 |
| VCDI |
0 |
465 |
31 |
156 |
302 |
1042 |
8140 |
21202 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
180 |
7 |
23 |
1 |
0 |
0 |
0 |
| OW |
0 |
67 |
5 |
13 |
7 |
0 |
0 |
0 |
| VODI |
0 |
78 |
1 |
23 |
36 |
1 |
0 |
0 |
| ODI |
0 |
63 |
1 |
22 |
60 |
20 |
0 |
0 |
| CDI |
0 |
79 |
0 |
18 |
91 |
56 |
22 |
68 |
| VCDI |
0 |
585 |
30 |
192 |
475 |
1252 |
7903 |
20703 |
|
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