Validation of sea ice concentration - Asian sector
Bulletin date: 2024-02-15
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-09:
| 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 |
189 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
184 |
37 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
110 |
27 |
75 |
20 |
0 |
0 |
0 |
| ODI |
0 |
32 |
18 |
39 |
37 |
3 |
0 |
0 |
| CDI |
0 |
42 |
5 |
21 |
61 |
43 |
10 |
0 |
| VCDI |
0 |
154 |
26 |
117 |
454 |
2000 |
7770 |
21610 |
|
...date precedes bulletin
|
Date: 2024-02-11:
| 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 |
154 |
5 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
108 |
22 |
39 |
13 |
0 |
0 |
0 |
| VODI |
0 |
58 |
32 |
85 |
31 |
1 |
0 |
0 |
| ODI |
0 |
16 |
3 |
63 |
30 |
2 |
0 |
0 |
| CDI |
0 |
21 |
8 |
38 |
61 |
29 |
9 |
0 |
| VCDI |
0 |
98 |
28 |
122 |
349 |
2233 |
7428 |
22009 |
|
...date precedes bulletin
|
Date: 2024-02-13:
| 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 |
195 |
7 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
105 |
38 |
39 |
0 |
0 |
0 |
0 |
| VODI |
0 |
27 |
19 |
126 |
49 |
0 |
0 |
0 |
| ODI |
0 |
21 |
6 |
34 |
44 |
2 |
0 |
0 |
| CDI |
0 |
36 |
12 |
50 |
39 |
48 |
8 |
0 |
| VCDI |
0 |
45 |
15 |
105 |
236 |
1614 |
6347 |
23827 |
|
...date precedes bulletin
|
Date: 2024-02-15:
| 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 |
235 |
4 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
156 |
16 |
10 |
0 |
0 |
0 |
0 |
| VODI |
0 |
65 |
17 |
65 |
3 |
0 |
0 |
0 |
| ODI |
0 |
32 |
8 |
30 |
11 |
0 |
0 |
0 |
| CDI |
0 |
36 |
13 |
46 |
43 |
21 |
4 |
0 |
| VCDI |
0 |
92 |
25 |
115 |
278 |
1244 |
6296 |
24227 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
229 |
3 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
162 |
16 |
12 |
0 |
0 |
0 |
0 |
| VODI |
0 |
66 |
17 |
61 |
4 |
0 |
0 |
0 |
| ODI |
0 |
33 |
9 |
30 |
9 |
0 |
0 |
0 |
| CDI |
0 |
36 |
14 |
52 |
46 |
24 |
5 |
0 |
| VCDI |
0 |
90 |
24 |
112 |
276 |
1241 |
6295 |
24227 |
|
Date: 2024-02-17:
| 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 |
321 |
7 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
157 |
10 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
83 |
16 |
23 |
0 |
0 |
0 |
0 |
| ODI |
0 |
58 |
7 |
19 |
5 |
2 |
0 |
0 |
| CDI |
0 |
97 |
19 |
30 |
20 |
53 |
6 |
0 |
| VCDI |
0 |
235 |
64 |
236 |
369 |
1494 |
8175 |
21589 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
329 |
9 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
153 |
6 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
82 |
18 |
26 |
0 |
0 |
0 |
0 |
| ODI |
0 |
60 |
9 |
17 |
5 |
3 |
0 |
0 |
| CDI |
0 |
99 |
17 |
33 |
20 |
54 |
6 |
0 |
| VCDI |
0 |
228 |
64 |
232 |
369 |
1492 |
8175 |
21589 |
|
Date: 2024-02-19:
| 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 |
339 |
8 |
21 |
4 |
0 |
0 |
0 |
| OW |
0 |
190 |
21 |
26 |
5 |
0 |
0 |
0 |
| VODI |
0 |
139 |
11 |
35 |
10 |
0 |
0 |
0 |
| ODI |
0 |
66 |
26 |
42 |
15 |
3 |
0 |
0 |
| CDI |
0 |
37 |
33 |
166 |
59 |
84 |
11 |
17 |
| VCDI |
0 |
1 |
0 |
233 |
371 |
1301 |
7983 |
21839 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
261 |
6 |
21 |
4 |
0 |
0 |
0 |
| OW |
0 |
114 |
11 |
12 |
5 |
0 |
0 |
0 |
| VODI |
0 |
120 |
8 |
27 |
9 |
0 |
0 |
0 |
| ODI |
0 |
97 |
10 |
28 |
18 |
4 |
0 |
0 |
| CDI |
0 |
74 |
8 |
56 |
37 |
76 |
13 |
19 |
| VCDI |
0 |
106 |
56 |
379 |
391 |
1308 |
7981 |
21837 |
|
Date: 2024-02-21:
| 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 |
267 |
19 |
27 |
1 |
0 |
0 |
0 |
| OW |
0 |
96 |
3 |
36 |
6 |
0 |
0 |
0 |
| VODI |
0 |
74 |
22 |
84 |
14 |
0 |
0 |
0 |
| ODI |
0 |
57 |
12 |
39 |
29 |
1 |
0 |
0 |
| CDI |
0 |
38 |
3 |
63 |
123 |
61 |
9 |
19 |
| VCDI |
0 |
19 |
20 |
86 |
338 |
1253 |
8516 |
21761 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
192 |
18 |
26 |
0 |
0 |
0 |
0 |
| OW |
0 |
94 |
3 |
21 |
2 |
0 |
0 |
0 |
| VODI |
0 |
95 |
1 |
36 |
14 |
0 |
0 |
0 |
| ODI |
0 |
64 |
8 |
56 |
30 |
0 |
0 |
0 |
| CDI |
0 |
83 |
33 |
85 |
60 |
68 |
30 |
1 |
| VCDI |
0 |
23 |
16 |
111 |
405 |
1247 |
8495 |
21779 |
|
Date: 2024-02-23:
| 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 |
207 |
29 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
76 |
15 |
39 |
2 |
0 |
0 |
0 |
| VODI |
0 |
53 |
7 |
42 |
15 |
0 |
0 |
0 |
| ODI |
0 |
35 |
4 |
95 |
32 |
5 |
0 |
0 |
| CDI |
0 |
37 |
4 |
56 |
108 |
29 |
13 |
2 |
| VCDI |
0 |
26 |
7 |
74 |
263 |
1082 |
8195 |
22520 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
180 |
17 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
72 |
10 |
28 |
1 |
0 |
0 |
0 |
| VODI |
0 |
68 |
20 |
33 |
26 |
0 |
0 |
0 |
| ODI |
0 |
29 |
9 |
68 |
28 |
0 |
0 |
0 |
| CDI |
0 |
43 |
3 |
78 |
70 |
42 |
18 |
0 |
| VCDI |
0 |
42 |
7 |
105 |
295 |
1074 |
8190 |
22522 |
|
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