Validation of sea ice concentration - Asian sector
Bulletin date: 2025-04-17
Data source: OSI SAF N.H. AMSR 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 |
0 |
207 |
7 |
8 |
4 |
0 |
0 |
0 |
| OW |
0 |
149 |
19 |
23 |
8 |
0 |
0 |
0 |
| VODI |
0 |
95 |
19 |
53 |
14 |
0 |
0 |
0 |
| ODI |
0 |
56 |
9 |
44 |
16 |
5 |
0 |
0 |
| CDI |
0 |
65 |
22 |
60 |
124 |
125 |
21 |
3 |
| VCDI |
0 |
30 |
21 |
133 |
200 |
1207 |
8648 |
20687 |
|
...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 |
0 |
192 |
8 |
9 |
3 |
0 |
0 |
0 |
| OW |
0 |
162 |
11 |
20 |
10 |
1 |
0 |
0 |
| VODI |
0 |
79 |
20 |
32 |
33 |
4 |
0 |
0 |
| ODI |
0 |
51 |
4 |
17 |
42 |
7 |
27 |
0 |
| CDI |
0 |
57 |
24 |
25 |
92 |
187 |
130 |
19 |
| VCDI |
0 |
19 |
23 |
65 |
163 |
1063 |
12083 |
17400 |
|
...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 |
0 |
190 |
6 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
138 |
15 |
13 |
7 |
0 |
0 |
0 |
| VODI |
0 |
87 |
21 |
42 |
19 |
0 |
4 |
0 |
| ODI |
0 |
55 |
6 |
30 |
30 |
17 |
27 |
0 |
| CDI |
0 |
53 |
26 |
79 |
177 |
266 |
340 |
16 |
| VCDI |
0 |
9 |
10 |
59 |
134 |
998 |
11059 |
18145 |
|
...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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