Validation of sea ice concentration - American sector
Bulletin date: 2025-07-10
Data source: OSI SAF N.H. AMSR 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 |
3059 |
4441 |
83 |
55 |
11 |
0 |
0 |
0 |
| OW |
68 |
2828 |
597 |
646 |
75 |
7 |
0 |
0 |
| VODI |
18 |
283 |
173 |
820 |
604 |
61 |
2 |
0 |
| ODI |
0 |
40 |
34 |
322 |
1828 |
654 |
9 |
0 |
| CDI |
0 |
5 |
11 |
78 |
2949 |
5457 |
285 |
0 |
| VCDI |
0 |
1 |
1 |
2 |
3428 |
12109 |
4821 |
1 |
|
...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 |
3102 |
5428 |
79 |
88 |
4 |
0 |
0 |
0 |
| OW |
30 |
2586 |
380 |
598 |
109 |
5 |
0 |
0 |
| VODI |
4 |
287 |
158 |
693 |
558 |
48 |
0 |
0 |
| ODI |
0 |
54 |
54 |
412 |
1952 |
337 |
8 |
0 |
| CDI |
0 |
9 |
17 |
121 |
3590 |
4718 |
63 |
0 |
| VCDI |
0 |
1 |
1 |
6 |
3120 |
12972 |
4274 |
0 |
|
...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 |
4487 |
5103 |
52 |
68 |
11 |
1 |
0 |
0 |
| OW |
261 |
1830 |
234 |
395 |
210 |
13 |
0 |
0 |
| VODI |
0 |
334 |
215 |
572 |
388 |
44 |
0 |
0 |
| ODI |
0 |
69 |
55 |
388 |
1930 |
343 |
0 |
0 |
| CDI |
0 |
12 |
16 |
124 |
4066 |
6358 |
133 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
2353 |
12769 |
3022 |
0 |
|
...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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