Validation of sea ice concentration - Asian sector
Bulletin date: 2025-04-17
Data source: OSI SAF N.H. multi-product 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 |
263 |
36 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
148 |
28 |
66 |
1 |
0 |
0 |
0 |
| VODI |
0 |
88 |
11 |
108 |
10 |
2 |
0 |
0 |
| ODI |
0 |
31 |
14 |
45 |
47 |
12 |
0 |
0 |
| CDI |
0 |
23 |
16 |
79 |
183 |
141 |
2 |
4 |
| VCDI |
0 |
1 |
12 |
81 |
254 |
1453 |
6660 |
23259 |
|
...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 |
245 |
38 |
25 |
0 |
0 |
0 |
0 |
| OW |
0 |
140 |
18 |
93 |
0 |
0 |
0 |
0 |
| VODI |
0 |
69 |
14 |
75 |
28 |
0 |
0 |
0 |
| ODI |
0 |
42 |
7 |
23 |
51 |
20 |
0 |
19 |
| CDI |
0 |
21 |
27 |
46 |
112 |
240 |
39 |
86 |
| VCDI |
0 |
0 |
4 |
81 |
163 |
1091 |
8262 |
22017 |
|
...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 |
270 |
29 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
117 |
26 |
77 |
0 |
0 |
0 |
0 |
| VODI |
0 |
78 |
10 |
88 |
11 |
0 |
0 |
1 |
| ODI |
0 |
40 |
14 |
35 |
54 |
8 |
4 |
23 |
| CDI |
0 |
10 |
24 |
84 |
243 |
298 |
193 |
153 |
| VCDI |
0 |
0 |
0 |
44 |
132 |
1218 |
8294 |
21513 |
|
...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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