Validation of sea ice concentration - American sector
Bulletin date: 2025-07-03
Data source: OSI SAF N.H. AMSR 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 |
1336 |
4286 |
41 |
50 |
8 |
0 |
0 |
0 |
| OW |
41 |
1470 |
222 |
218 |
21 |
1 |
0 |
0 |
| VODI |
0 |
672 |
215 |
898 |
548 |
36 |
11 |
0 |
| ODI |
0 |
89 |
75 |
1293 |
1355 |
438 |
25 |
0 |
| CDI |
0 |
30 |
15 |
243 |
1552 |
6260 |
241 |
0 |
| VCDI |
0 |
0 |
1 |
43 |
1444 |
15033 |
5425 |
2230 |
|
...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 |
2046 |
4006 |
40 |
29 |
3 |
0 |
0 |
0 |
| OW |
53 |
1474 |
244 |
225 |
79 |
8 |
3 |
0 |
| VODI |
1 |
761 |
290 |
1333 |
502 |
89 |
8 |
0 |
| ODI |
0 |
208 |
141 |
1202 |
832 |
528 |
60 |
0 |
| CDI |
0 |
39 |
19 |
207 |
1902 |
5432 |
204 |
0 |
| VCDI |
0 |
0 |
1 |
5 |
2008 |
16269 |
4841 |
774 |
|
...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 |
2795 |
3701 |
62 |
34 |
9 |
0 |
1 |
0 |
| OW |
55 |
1431 |
216 |
244 |
106 |
17 |
3 |
0 |
| VODI |
0 |
794 |
334 |
1256 |
485 |
72 |
7 |
0 |
| ODI |
0 |
309 |
196 |
986 |
1082 |
313 |
16 |
0 |
| CDI |
0 |
125 |
49 |
259 |
3369 |
4411 |
94 |
0 |
| VCDI |
0 |
1 |
0 |
8 |
1992 |
14522 |
4454 |
2058 |
|
...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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