Validation of sea ice concentration - American sector
Bulletin date: 2025-07-03
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-27:
| 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 |
15980 |
3632 |
10 |
89 |
7 |
0 |
0 |
0 |
| OW |
107 |
1660 |
176 |
296 |
81 |
10 |
0 |
0 |
| VODI |
16 |
540 |
140 |
1222 |
680 |
72 |
1 |
0 |
| ODI |
3 |
21 |
18 |
1347 |
1651 |
386 |
7 |
0 |
| CDI |
0 |
36 |
3 |
250 |
1295 |
6906 |
34 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
1150 |
15782 |
4456 |
3166 |
|
...date precedes bulletin
|
Date: 2025-06-29:
| 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 |
16514 |
3518 |
28 |
98 |
12 |
0 |
0 |
0 |
| OW |
147 |
1722 |
146 |
345 |
120 |
29 |
0 |
0 |
| VODI |
22 |
620 |
219 |
1677 |
576 |
92 |
0 |
0 |
| ODI |
9 |
68 |
39 |
1473 |
1007 |
519 |
0 |
0 |
| CDI |
0 |
35 |
4 |
200 |
1844 |
5836 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1476 |
16875 |
4176 |
1740 |
|
...date precedes bulletin
|
Date: 2025-07-01:
| 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 |
16781 |
3796 |
62 |
97 |
17 |
2 |
0 |
0 |
| OW |
216 |
1560 |
128 |
340 |
154 |
15 |
0 |
0 |
| VODI |
35 |
792 |
241 |
1472 |
562 |
73 |
0 |
0 |
| ODI |
2 |
220 |
114 |
1183 |
1237 |
253 |
0 |
0 |
| CDI |
0 |
80 |
16 |
296 |
3547 |
4484 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
1665 |
14963 |
3688 |
3090 |
|
...date precedes bulletin
|
Date: 2025-07-03:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-05:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-07:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-09:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-11:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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