Validation of sea ice concentration - American sector
Bulletin date: 2025-08-14
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-08:
| 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 |
27010 |
3489 |
38 |
60 |
2 |
0 |
0 |
0 |
| OW |
28 |
1482 |
338 |
680 |
49 |
0 |
0 |
0 |
| VODI |
0 |
176 |
278 |
3721 |
1181 |
29 |
0 |
0 |
| ODI |
0 |
22 |
2 |
456 |
4029 |
466 |
53 |
0 |
| CDI |
0 |
0 |
0 |
39 |
1523 |
8797 |
2089 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
64 |
170 |
3354 |
1588 |
|
...date precedes bulletin
|
Date: 2025-08-10:
| 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 |
27274 |
3196 |
56 |
24 |
0 |
0 |
0 |
0 |
| OW |
16 |
1709 |
452 |
582 |
6 |
2 |
0 |
0 |
| VODI |
0 |
234 |
348 |
4495 |
694 |
17 |
0 |
0 |
| ODI |
0 |
28 |
5 |
470 |
3669 |
998 |
23 |
0 |
| CDI |
0 |
5 |
1 |
41 |
754 |
8002 |
2831 |
3 |
| VCDI |
0 |
0 |
0 |
11 |
75 |
736 |
3717 |
757 |
|
...date precedes bulletin
|
Date: 2025-08-12:
| 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 |
27680 |
3310 |
56 |
41 |
2 |
0 |
0 |
0 |
| OW |
26 |
1734 |
372 |
454 |
15 |
0 |
0 |
0 |
| VODI |
0 |
710 |
464 |
3882 |
625 |
0 |
1 |
0 |
| ODI |
0 |
20 |
4 |
634 |
4097 |
764 |
4 |
0 |
| CDI |
0 |
4 |
0 |
33 |
1218 |
8429 |
1303 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
90 |
1153 |
4021 |
57 |
|
...date precedes bulletin
|
Date: 2025-08-14:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-16:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-18:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-20:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-22:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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