Validation of sea ice concentration - American sector
Bulletin date: 2025-04-17
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-11:
| 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 |
5392 |
2864 |
45 |
53 |
31 |
0 |
0 |
0 |
| OW |
0 |
309 |
110 |
309 |
158 |
3 |
0 |
0 |
| VODI |
0 |
3 |
21 |
239 |
362 |
131 |
0 |
0 |
| ODI |
0 |
0 |
0 |
28 |
222 |
387 |
34 |
11 |
| CDI |
0 |
0 |
0 |
115 |
125 |
725 |
1454 |
81 |
| VCDI |
0 |
0 |
0 |
80 |
302 |
1820 |
12528 |
33289 |
|
...date precedes bulletin
|
Date: 2025-04-13:
| 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 |
5100 |
2809 |
38 |
85 |
3 |
0 |
0 |
0 |
| OW |
0 |
340 |
110 |
375 |
183 |
5 |
0 |
0 |
| VODI |
0 |
1 |
6 |
205 |
480 |
85 |
2 |
0 |
| ODI |
0 |
0 |
0 |
37 |
285 |
437 |
39 |
0 |
| CDI |
0 |
0 |
0 |
104 |
193 |
1040 |
591 |
22 |
| VCDI |
0 |
0 |
0 |
130 |
297 |
2680 |
13892 |
31657 |
|
...date precedes bulletin
|
Date: 2025-04-15:
| 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 |
4995 |
3010 |
82 |
181 |
13 |
0 |
0 |
0 |
| OW |
0 |
198 |
66 |
272 |
302 |
28 |
0 |
0 |
| VODI |
0 |
0 |
10 |
140 |
441 |
117 |
5 |
0 |
| ODI |
0 |
0 |
0 |
28 |
369 |
403 |
43 |
4 |
| CDI |
0 |
0 |
0 |
40 |
202 |
1322 |
720 |
50 |
| VCDI |
0 |
0 |
0 |
66 |
545 |
3340 |
12083 |
32156 |
|
...date precedes bulletin
|
Date: 2025-04-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-04-19:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-04-21:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-04-23:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-04-25:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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