Validation of sea ice concentration - Full domain
Bulletin date: 2025-09-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-05:
| 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 |
115719 |
13635 |
92 |
39 |
7 |
0 |
0 |
0 |
| OW |
2736 |
4936 |
977 |
669 |
39 |
0 |
0 |
0 |
| VODI |
1026 |
471 |
777 |
4242 |
1278 |
41 |
0 |
0 |
| ODI |
0 |
16 |
16 |
1241 |
10652 |
3208 |
2 |
0 |
| CDI |
0 |
7 |
3 |
18 |
1718 |
11436 |
824 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
2519 |
2451 |
0 |
|
...date precedes bulletin
|
Date: 2025-09-07:
| 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 |
116158 |
12952 |
71 |
22 |
4 |
0 |
0 |
0 |
| OW |
2716 |
5084 |
848 |
655 |
35 |
0 |
0 |
0 |
| VODI |
1066 |
671 |
841 |
4138 |
1281 |
69 |
1 |
0 |
| ODI |
0 |
19 |
24 |
1364 |
9321 |
3172 |
5 |
0 |
| CDI |
0 |
7 |
7 |
55 |
2049 |
11783 |
1224 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
34 |
2938 |
2186 |
0 |
|
...date precedes bulletin
|
Date: 2025-09-09:
| 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 |
115773 |
13271 |
108 |
64 |
7 |
0 |
0 |
0 |
| OW |
2706 |
4715 |
849 |
849 |
129 |
2 |
0 |
0 |
| VODI |
1125 |
734 |
766 |
4018 |
1398 |
93 |
2 |
0 |
| ODI |
0 |
25 |
30 |
1489 |
7145 |
3665 |
13 |
0 |
| CDI |
0 |
14 |
8 |
69 |
2733 |
11915 |
807 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
15 |
3019 |
3250 |
0 |
|
...date precedes bulletin
|
Date: 2025-09-11:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-15:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-19:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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