Validation of sea ice concentration - American sector
Bulletin date: 2025-09-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-05:
| 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 |
15467 |
6591 |
40 |
23 |
0 |
0 |
0 |
0 |
| OW |
26 |
2652 |
529 |
405 |
4 |
0 |
0 |
0 |
| VODI |
0 |
225 |
365 |
2076 |
589 |
32 |
0 |
0 |
| ODI |
0 |
16 |
12 |
530 |
4081 |
922 |
0 |
0 |
| CDI |
0 |
7 |
3 |
11 |
722 |
6610 |
641 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
2009 |
1268 |
0 |
|
...date precedes bulletin
|
Date: 2025-09-07:
| 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 |
15803 |
6113 |
49 |
17 |
0 |
0 |
0 |
0 |
| OW |
35 |
2853 |
494 |
340 |
4 |
0 |
0 |
0 |
| VODI |
0 |
338 |
407 |
2023 |
532 |
35 |
1 |
0 |
| ODI |
0 |
19 |
23 |
660 |
3751 |
946 |
0 |
0 |
| CDI |
0 |
7 |
7 |
51 |
681 |
6216 |
1085 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
20 |
2522 |
824 |
0 |
|
...date precedes bulletin
|
Date: 2025-09-09:
| 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 |
15333 |
6614 |
85 |
40 |
0 |
0 |
0 |
0 |
| OW |
67 |
2539 |
488 |
491 |
11 |
2 |
0 |
0 |
| VODI |
10 |
419 |
370 |
2130 |
556 |
30 |
2 |
0 |
| ODI |
0 |
23 |
21 |
734 |
3002 |
688 |
0 |
0 |
| CDI |
0 |
14 |
8 |
67 |
1228 |
5622 |
688 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
11 |
2579 |
1990 |
0 |
|
...date precedes bulletin
|
Date: 2025-09-11:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-15:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-19:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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