Validation of sea ice concentration - Asian sector
Bulletin date: 2025-06-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-03:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1594 |
19 |
73 |
4 |
1 |
2 |
0 |
| OW |
0 |
118 |
6 |
84 |
23 |
24 |
13 |
0 |
| VODI |
0 |
398 |
24 |
341 |
296 |
201 |
137 |
0 |
| ODI |
0 |
485 |
54 |
750 |
979 |
933 |
550 |
33 |
| CDI |
0 |
48 |
10 |
332 |
1101 |
2712 |
2348 |
623 |
| VCDI |
0 |
1 |
0 |
68 |
423 |
2639 |
6918 |
7917 |
|
Date: 2025-06-05:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72 |
1921 |
47 |
223 |
63 |
23 |
13 |
0 |
| OW |
0 |
168 |
9 |
107 |
49 |
39 |
32 |
0 |
| VODI |
0 |
332 |
11 |
256 |
275 |
219 |
167 |
6 |
| ODI |
0 |
351 |
27 |
622 |
862 |
938 |
575 |
146 |
| CDI |
0 |
73 |
13 |
460 |
1152 |
2123 |
2400 |
793 |
| VCDI |
0 |
2 |
1 |
78 |
545 |
2121 |
7058 |
7911 |
|
Date: 2025-06-07:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14 |
2391 |
29 |
311 |
145 |
32 |
35 |
0 |
| OW |
0 |
126 |
5 |
63 |
69 |
44 |
49 |
0 |
| VODI |
0 |
221 |
23 |
226 |
295 |
170 |
123 |
4 |
| ODI |
0 |
357 |
41 |
625 |
996 |
646 |
589 |
114 |
| CDI |
0 |
115 |
20 |
459 |
1300 |
1798 |
2069 |
1117 |
| VCDI |
0 |
13 |
4 |
111 |
657 |
1905 |
5606 |
9366 |
|
Date: 2025-06-09:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
163 |
2489 |
41 |
363 |
201 |
78 |
24 |
0 |
| OW |
0 |
102 |
5 |
64 |
77 |
43 |
23 |
0 |
| VODI |
0 |
222 |
15 |
190 |
268 |
186 |
113 |
0 |
| ODI |
0 |
320 |
53 |
606 |
934 |
842 |
583 |
51 |
| CDI |
0 |
163 |
30 |
548 |
1327 |
2117 |
2234 |
837 |
| VCDI |
0 |
25 |
11 |
133 |
497 |
2116 |
5511 |
8678 |
|
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