Validation of sea ice concentration - Asian sector
Bulletin date: 2024-03-07
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-01:
| 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 |
330 |
8 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
102 |
5 |
20 |
6 |
0 |
0 |
0 |
| VODI |
0 |
161 |
7 |
19 |
23 |
0 |
0 |
0 |
| ODI |
0 |
87 |
11 |
13 |
25 |
0 |
0 |
0 |
| CDI |
0 |
129 |
57 |
105 |
51 |
41 |
5 |
2 |
| VCDI |
0 |
62 |
33 |
163 |
452 |
2156 |
9039 |
19973 |
|
...date precedes bulletin
|
Date: 2024-03-03:
| 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 |
227 |
13 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
84 |
15 |
20 |
7 |
0 |
0 |
0 |
| VODI |
0 |
69 |
8 |
45 |
10 |
0 |
0 |
0 |
| ODI |
0 |
86 |
14 |
60 |
23 |
3 |
8 |
0 |
| CDI |
0 |
72 |
38 |
148 |
141 |
69 |
31 |
4 |
| VCDI |
0 |
9 |
7 |
94 |
274 |
2309 |
7232 |
21958 |
|
...date precedes bulletin
|
Date: 2024-03-05:
| 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 |
214 |
12 |
27 |
2 |
0 |
0 |
0 |
| OW |
0 |
109 |
10 |
20 |
7 |
0 |
0 |
0 |
| VODI |
0 |
50 |
7 |
46 |
15 |
0 |
0 |
0 |
| ODI |
0 |
30 |
12 |
62 |
43 |
6 |
0 |
0 |
| CDI |
0 |
24 |
17 |
65 |
154 |
75 |
6 |
10 |
| VCDI |
0 |
4 |
3 |
27 |
170 |
806 |
6894 |
24169 |
|
...date precedes bulletin
|
Date: 2024-03-07:
| 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 |
175 |
14 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
113 |
11 |
25 |
2 |
0 |
0 |
0 |
| VODI |
0 |
56 |
14 |
38 |
22 |
1 |
0 |
0 |
| ODI |
0 |
33 |
20 |
31 |
31 |
2 |
0 |
0 |
| CDI |
0 |
21 |
15 |
80 |
86 |
14 |
12 |
17 |
| VCDI |
0 |
1 |
2 |
42 |
253 |
796 |
3742 |
27420 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
166 |
18 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
121 |
6 |
30 |
4 |
0 |
0 |
0 |
| VODI |
0 |
58 |
17 |
33 |
27 |
3 |
0 |
0 |
| ODI |
0 |
33 |
18 |
38 |
28 |
0 |
0 |
0 |
| CDI |
0 |
21 |
16 |
81 |
101 |
14 |
21 |
23 |
| VCDI |
0 |
0 |
1 |
35 |
234 |
796 |
3733 |
27414 |
|
Date: 2024-03-09:
| 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 |
138 |
18 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
112 |
6 |
41 |
7 |
0 |
0 |
0 |
| VODI |
0 |
54 |
7 |
45 |
27 |
0 |
0 |
0 |
| ODI |
0 |
27 |
5 |
27 |
26 |
0 |
0 |
0 |
| CDI |
0 |
23 |
10 |
52 |
45 |
10 |
0 |
0 |
| VCDI |
0 |
0 |
2 |
21 |
114 |
520 |
3177 |
28578 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
129 |
18 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
119 |
6 |
43 |
10 |
0 |
0 |
0 |
| VODI |
0 |
61 |
8 |
35 |
28 |
0 |
0 |
0 |
| ODI |
0 |
23 |
4 |
36 |
24 |
0 |
0 |
0 |
| CDI |
0 |
22 |
10 |
48 |
49 |
17 |
1 |
1 |
| VCDI |
0 |
0 |
2 |
18 |
108 |
513 |
3176 |
28577 |
|
Date: 2024-03-11:
| 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 |
163 |
12 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
172 |
24 |
39 |
7 |
0 |
0 |
0 |
| VODI |
0 |
32 |
19 |
58 |
25 |
0 |
0 |
0 |
| ODI |
0 |
3 |
10 |
33 |
28 |
0 |
0 |
0 |
| CDI |
0 |
0 |
5 |
57 |
48 |
32 |
1 |
2 |
| VCDI |
0 |
0 |
0 |
26 |
75 |
332 |
3071 |
28818 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
143 |
16 |
7 |
4 |
0 |
0 |
0 |
| OW |
0 |
100 |
8 |
35 |
10 |
0 |
0 |
0 |
| VODI |
0 |
73 |
12 |
37 |
16 |
0 |
0 |
0 |
| ODI |
0 |
34 |
7 |
26 |
18 |
0 |
0 |
0 |
| CDI |
0 |
20 |
25 |
35 |
22 |
14 |
3 |
0 |
| VCDI |
0 |
0 |
2 |
77 |
113 |
350 |
3069 |
28820 |
|
Date: 2024-03-13:
| 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 |
136 |
17 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
132 |
17 |
33 |
5 |
0 |
0 |
0 |
| VODI |
0 |
24 |
29 |
35 |
12 |
0 |
0 |
0 |
| ODI |
0 |
0 |
4 |
57 |
14 |
0 |
0 |
0 |
| CDI |
0 |
0 |
2 |
29 |
80 |
57 |
3 |
27 |
| VCDI |
0 |
0 |
0 |
0 |
82 |
499 |
5490 |
26304 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
128 |
7 |
6 |
3 |
0 |
0 |
0 |
| OW |
0 |
89 |
23 |
22 |
7 |
0 |
0 |
0 |
| VODI |
0 |
71 |
26 |
40 |
5 |
0 |
0 |
0 |
| ODI |
0 |
4 |
11 |
68 |
15 |
0 |
0 |
0 |
| CDI |
0 |
0 |
2 |
26 |
70 |
20 |
1 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
93 |
536 |
5492 |
26325 |
|
Date: 2024-03-15:
| 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 |
97 |
11 |
31 |
1 |
0 |
0 |
0 |
| OW |
0 |
32 |
8 |
102 |
8 |
0 |
0 |
0 |
| VODI |
0 |
18 |
25 |
57 |
16 |
0 |
0 |
0 |
| ODI |
0 |
2 |
3 |
46 |
27 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
60 |
24 |
1 |
34 |
| VCDI |
0 |
0 |
0 |
0 |
39 |
462 |
4727 |
27237 |
|
|
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 |
33 |
3 |
0 |
0 |
0 |
| OW |
0 |
20 |
2 |
90 |
2 |
0 |
0 |
0 |
| VODI |
0 |
35 |
24 |
61 |
15 |
0 |
0 |
0 |
| ODI |
0 |
2 |
10 |
53 |
23 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
27 |
78 |
17 |
0 |
28 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
469 |
4728 |
27243 |
|
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