Validation of sea ice concentration - American sector
Bulletin date: 2025-08-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-01:
| 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 |
11184 |
3810 |
68 |
26 |
0 |
0 |
0 |
0 |
| OW |
21 |
1204 |
431 |
479 |
39 |
0 |
0 |
0 |
| VODI |
3 |
208 |
322 |
2964 |
733 |
9 |
0 |
0 |
| ODI |
0 |
54 |
19 |
521 |
3741 |
1755 |
96 |
0 |
| CDI |
0 |
65 |
34 |
99 |
3126 |
8687 |
2592 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
56 |
1390 |
2128 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-03:
| 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 |
11249 |
3799 |
71 |
30 |
1 |
0 |
0 |
0 |
| OW |
36 |
1393 |
501 |
467 |
25 |
0 |
0 |
0 |
| VODI |
12 |
257 |
449 |
3293 |
739 |
4 |
0 |
0 |
| ODI |
0 |
71 |
27 |
782 |
2817 |
1898 |
266 |
0 |
| CDI |
0 |
94 |
26 |
125 |
2781 |
7662 |
3606 |
202 |
| VCDI |
0 |
1 |
6 |
15 |
141 |
379 |
2420 |
221 |
|
...date precedes bulletin
|
Date: 2025-08-05:
| 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 |
11336 |
3886 |
113 |
82 |
3 |
0 |
0 |
0 |
| OW |
49 |
1095 |
492 |
568 |
46 |
0 |
0 |
0 |
| VODI |
4 |
325 |
278 |
3096 |
1337 |
126 |
0 |
0 |
| ODI |
0 |
72 |
32 |
520 |
2418 |
2077 |
323 |
0 |
| CDI |
0 |
96 |
28 |
144 |
2481 |
7211 |
4761 |
331 |
| VCDI |
0 |
5 |
9 |
25 |
42 |
216 |
1854 |
385 |
|
...date precedes bulletin
|
Date: 2025-08-07:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-09:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-11:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-15:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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