Validation of sea ice concentration - American sector
Bulletin date: 2025-06-26
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-20:
| 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 |
14411 |
2515 |
42 |
77 |
5 |
0 |
0 |
0 |
| OW |
225 |
1993 |
188 |
274 |
83 |
2 |
0 |
0 |
| VODI |
29 |
418 |
233 |
1065 |
367 |
48 |
9 |
0 |
| ODI |
2 |
12 |
28 |
575 |
1748 |
319 |
45 |
0 |
| CDI |
0 |
0 |
0 |
109 |
2227 |
3260 |
1078 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1659 |
11023 |
12369 |
4793 |
|
...date precedes bulletin
|
Date: 2025-06-22:
| 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 |
14272 |
3234 |
21 |
65 |
7 |
0 |
0 |
0 |
| OW |
337 |
1698 |
175 |
400 |
67 |
5 |
0 |
0 |
| VODI |
39 |
551 |
179 |
905 |
336 |
66 |
11 |
0 |
| ODI |
4 |
21 |
35 |
618 |
1889 |
461 |
12 |
0 |
| CDI |
0 |
0 |
0 |
206 |
1814 |
4182 |
353 |
204 |
| VCDI |
0 |
0 |
0 |
0 |
2143 |
11703 |
5354 |
9864 |
|
...date precedes bulletin
|
Date: 2025-06-24:
| 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 |
15057 |
3235 |
45 |
169 |
24 |
0 |
1 |
0 |
| OW |
279 |
1446 |
128 |
392 |
72 |
19 |
5 |
0 |
| VODI |
27 |
517 |
126 |
762 |
364 |
63 |
15 |
0 |
| ODI |
4 |
60 |
48 |
682 |
1846 |
235 |
27 |
0 |
| CDI |
0 |
8 |
15 |
288 |
2609 |
4483 |
195 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
3766 |
12890 |
8371 |
2957 |
|
...date precedes bulletin
|
Date: 2025-06-26:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-28:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-30:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-02:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-04:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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