Validation of sea ice concentration - American sector
Bulletin date: 2025-07-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-08:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3985 |
4315 |
5 |
61 |
33 |
4 |
0 |
0 |
| OW |
27 |
824 |
4 |
54 |
59 |
10 |
0 |
0 |
| VODI |
11 |
1326 |
10 |
163 |
278 |
133 |
1 |
0 |
| ODI |
1 |
1319 |
31 |
394 |
967 |
838 |
73 |
0 |
| CDI |
0 |
656 |
30 |
524 |
2846 |
4402 |
652 |
0 |
| VCDI |
0 |
96 |
10 |
214 |
4717 |
14105 |
2379 |
0 |
|
Date: 2025-07-10:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6525 |
5006 |
7 |
333 |
197 |
32 |
1 |
0 |
| OW |
85 |
168 |
1 |
55 |
74 |
25 |
0 |
0 |
| VODI |
90 |
297 |
5 |
97 |
215 |
138 |
1 |
0 |
| ODI |
38 |
386 |
15 |
310 |
877 |
887 |
69 |
0 |
| CDI |
5 |
200 |
22 |
404 |
3005 |
4339 |
838 |
0 |
| VCDI |
0 |
67 |
4 |
144 |
5602 |
12048 |
2945 |
0 |
|
Date: 2025-07-12:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6906 |
5356 |
18 |
376 |
249 |
61 |
7 |
0 |
| OW |
9 |
72 |
1 |
37 |
47 |
18 |
4 |
0 |
| VODI |
3 |
168 |
4 |
92 |
146 |
138 |
27 |
0 |
| ODI |
1 |
258 |
15 |
298 |
609 |
1136 |
184 |
0 |
| CDI |
1 |
178 |
18 |
380 |
1823 |
5632 |
1338 |
0 |
| VCDI |
0 |
70 |
6 |
149 |
2982 |
13177 |
3563 |
0 |
|
Date: 2025-07-14:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7243 |
5442 |
19 |
351 |
255 |
102 |
0 |
0 |
| OW |
0 |
91 |
3 |
25 |
57 |
17 |
2 |
0 |
| VODI |
0 |
184 |
8 |
85 |
196 |
136 |
27 |
0 |
| ODI |
0 |
261 |
8 |
299 |
858 |
928 |
99 |
0 |
| CDI |
0 |
188 |
15 |
448 |
2697 |
4628 |
766 |
0 |
| VCDI |
0 |
105 |
4 |
250 |
5251 |
11940 |
2569 |
0 |
|
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