Validation of sea ice concentration - Asian sector
Bulletin date: 2024-05-16
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-10:
| 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 |
70 |
78 |
0 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
2 |
0 |
29 |
4 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
98 |
22 |
4 |
5 |
0 |
| ODI |
0 |
0 |
0 |
39 |
45 |
28 |
3 |
0 |
| CDI |
0 |
0 |
0 |
26 |
227 |
379 |
73 |
0 |
| VCDI |
0 |
0 |
0 |
54 |
409 |
2009 |
13003 |
16481 |
|
...date precedes bulletin
|
Date: 2024-05-12:
| 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 |
95 |
55 |
0 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
2 |
45 |
6 |
0 |
0 |
0 |
| VODI |
0 |
9 |
7 |
72 |
14 |
4 |
4 |
0 |
| ODI |
0 |
0 |
4 |
27 |
54 |
15 |
5 |
0 |
| CDI |
0 |
0 |
0 |
59 |
261 |
396 |
58 |
5 |
| VCDI |
0 |
0 |
0 |
127 |
635 |
1670 |
11407 |
18047 |
|
...date precedes bulletin
|
Date: 2024-05-14:
| 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 |
143 |
7 |
0 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
12 |
17 |
32 |
8 |
0 |
0 |
0 |
| VODI |
0 |
6 |
12 |
75 |
28 |
2 |
6 |
0 |
| ODI |
0 |
0 |
0 |
44 |
88 |
16 |
5 |
0 |
| CDI |
0 |
0 |
6 |
97 |
347 |
614 |
59 |
1 |
| VCDI |
0 |
0 |
0 |
45 |
513 |
1568 |
12166 |
17174 |
|
...date precedes bulletin
|
Date: 2024-05-16:
| 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 |
150 |
0 |
0 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
23 |
13 |
34 |
5 |
0 |
1 |
0 |
| VODI |
0 |
18 |
23 |
55 |
17 |
4 |
8 |
0 |
| ODI |
0 |
3 |
4 |
43 |
63 |
23 |
2 |
0 |
| CDI |
0 |
0 |
0 |
82 |
376 |
518 |
75 |
0 |
| VCDI |
0 |
0 |
0 |
44 |
531 |
1314 |
10609 |
19055 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
0 |
0 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
21 |
14 |
33 |
4 |
0 |
1 |
0 |
| VODI |
0 |
20 |
23 |
54 |
21 |
4 |
9 |
0 |
| ODI |
0 |
3 |
3 |
40 |
49 |
22 |
3 |
0 |
| CDI |
0 |
0 |
0 |
85 |
387 |
549 |
84 |
0 |
| VCDI |
0 |
0 |
0 |
44 |
531 |
1284 |
10598 |
19055 |
|
Date: 2024-05-18:
| 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 |
150 |
0 |
1 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
22 |
25 |
19 |
6 |
0 |
0 |
0 |
| VODI |
0 |
21 |
12 |
63 |
24 |
4 |
6 |
0 |
| ODI |
0 |
2 |
4 |
52 |
24 |
20 |
5 |
3 |
| CDI |
0 |
0 |
0 |
98 |
385 |
659 |
131 |
32 |
| VCDI |
0 |
0 |
0 |
37 |
596 |
1185 |
9400 |
20108 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
0 |
1 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
21 |
26 |
19 |
4 |
0 |
0 |
0 |
| VODI |
0 |
23 |
12 |
62 |
23 |
1 |
6 |
0 |
| ODI |
0 |
1 |
3 |
50 |
17 |
16 |
6 |
5 |
| CDI |
0 |
0 |
0 |
107 |
394 |
621 |
212 |
100 |
| VCDI |
0 |
0 |
0 |
31 |
597 |
1230 |
9318 |
20038 |
|
Date: 2024-05-20:
| 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 |
150 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
86 |
43 |
24 |
2 |
0 |
0 |
0 |
| VODI |
0 |
8 |
13 |
141 |
28 |
4 |
3 |
0 |
| ODI |
0 |
0 |
0 |
81 |
203 |
31 |
17 |
0 |
| CDI |
0 |
0 |
0 |
25 |
376 |
771 |
109 |
30 |
| VCDI |
0 |
0 |
0 |
2 |
392 |
1313 |
11508 |
17736 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
28 |
18 |
7 |
5 |
0 |
0 |
0 |
| VODI |
0 |
41 |
24 |
88 |
7 |
1 |
9 |
0 |
| ODI |
0 |
21 |
10 |
38 |
4 |
21 |
19 |
2 |
| CDI |
0 |
4 |
4 |
135 |
462 |
495 |
309 |
29 |
| VCDI |
0 |
0 |
0 |
5 |
523 |
1602 |
11300 |
17735 |
|
Date: 2024-05-22:
| 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 |
150 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
69 |
26 |
51 |
1 |
1 |
0 |
0 |
| VODI |
0 |
15 |
19 |
141 |
28 |
10 |
1 |
0 |
| ODI |
0 |
0 |
0 |
106 |
198 |
33 |
21 |
1 |
| CDI |
0 |
0 |
0 |
33 |
501 |
912 |
418 |
17 |
| VCDI |
0 |
0 |
0 |
0 |
507 |
1632 |
13668 |
14535 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
11 |
4 |
35 |
0 |
0 |
0 |
0 |
| VODI |
0 |
43 |
29 |
79 |
17 |
6 |
3 |
0 |
| ODI |
0 |
30 |
10 |
57 |
24 |
29 |
20 |
3 |
| CDI |
0 |
0 |
2 |
128 |
602 |
657 |
356 |
29 |
| VCDI |
0 |
0 |
0 |
32 |
592 |
1896 |
13729 |
14521 |
|
Date: 2024-05-24:
| 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 |
150 |
2 |
0 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
50 |
21 |
48 |
3 |
3 |
0 |
0 |
| VODI |
0 |
12 |
24 |
111 |
57 |
20 |
3 |
1 |
| ODI |
0 |
0 |
0 |
92 |
253 |
48 |
25 |
7 |
| CDI |
0 |
0 |
0 |
5 |
530 |
1651 |
430 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
511 |
2570 |
11891 |
14552 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
4 |
0 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
2 |
12 |
53 |
0 |
0 |
0 |
0 |
| VODI |
0 |
32 |
25 |
46 |
17 |
15 |
1 |
0 |
| ODI |
0 |
26 |
8 |
53 |
64 |
58 |
34 |
5 |
| CDI |
0 |
0 |
0 |
89 |
706 |
1103 |
411 |
50 |
| VCDI |
0 |
0 |
0 |
7 |
567 |
3116 |
11903 |
14526 |
|
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