Validation of sea ice concentration - American sector
Bulletin date: 2025-07-10
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-04:
| 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 |
18543 |
1880 |
1461 |
34 |
12 |
1 |
0 |
0 |
| OW |
489 |
1842 |
842 |
1335 |
53 |
13 |
0 |
0 |
| VODI |
75 |
115 |
617 |
945 |
331 |
50 |
0 |
0 |
| ODI |
8 |
36 |
506 |
1066 |
912 |
428 |
0 |
0 |
| CDI |
2 |
0 |
788 |
2203 |
2334 |
3498 |
115 |
0 |
| VCDI |
0 |
0 |
106 |
774 |
3237 |
10754 |
3976 |
1850 |
|
...date precedes bulletin
|
Date: 2025-07-06:
| 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 |
18613 |
4348 |
51 |
70 |
4 |
0 |
0 |
0 |
| OW |
151 |
2597 |
243 |
908 |
83 |
4 |
0 |
0 |
| VODI |
19 |
194 |
84 |
1038 |
522 |
40 |
0 |
0 |
| ODI |
0 |
35 |
10 |
444 |
2199 |
202 |
0 |
0 |
| CDI |
0 |
0 |
0 |
77 |
3729 |
4838 |
25 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
2878 |
12775 |
4926 |
122 |
|
...date precedes bulletin
|
Date: 2025-07-08:
| 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 |
19960 |
4046 |
47 |
121 |
11 |
1 |
0 |
0 |
| OW |
547 |
1513 |
152 |
772 |
143 |
10 |
0 |
0 |
| VODI |
24 |
249 |
119 |
897 |
387 |
33 |
0 |
0 |
| ODI |
2 |
43 |
21 |
398 |
2203 |
205 |
0 |
0 |
| CDI |
0 |
0 |
6 |
91 |
4069 |
6537 |
137 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
1980 |
12738 |
3760 |
2 |
|
...date precedes bulletin
|
Date: 2025-07-10:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-12:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-14:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-16:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-18:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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