Validation of sea ice concentration - Full domain
Bulletin date: 2025-08-12
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-12:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63622 |
14556 |
41 |
132 |
33 |
4 |
0 |
0 |
| OW |
67 |
1506 |
45 |
184 |
34 |
11 |
0 |
0 |
| VODI |
81 |
2581 |
111 |
662 |
323 |
159 |
38 |
0 |
| ODI |
2 |
2245 |
336 |
3212 |
2759 |
2017 |
346 |
0 |
| CDI |
0 |
903 |
129 |
2346 |
7209 |
7984 |
1870 |
0 |
| VCDI |
0 |
25 |
3 |
432 |
4468 |
8964 |
4993 |
0 |
|
Date: 2025-08-14:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65443 |
17063 |
156 |
775 |
114 |
19 |
0 |
0 |
| OW |
1 |
341 |
35 |
211 |
74 |
12 |
0 |
0 |
| VODI |
0 |
647 |
52 |
568 |
393 |
180 |
19 |
0 |
| ODI |
0 |
1997 |
279 |
2587 |
3124 |
1736 |
139 |
4 |
| CDI |
0 |
995 |
111 |
2252 |
7345 |
7885 |
1312 |
32 |
| VCDI |
0 |
43 |
9 |
667 |
4623 |
8615 |
4400 |
175 |
|
Date: 2025-08-16:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65740 |
17562 |
200 |
968 |
253 |
31 |
0 |
0 |
| OW |
0 |
256 |
18 |
174 |
71 |
24 |
0 |
0 |
| VODI |
0 |
614 |
37 |
480 |
459 |
190 |
10 |
0 |
| ODI |
0 |
2010 |
201 |
2420 |
3243 |
1534 |
174 |
6 |
| CDI |
0 |
1100 |
114 |
2253 |
8048 |
6204 |
1720 |
79 |
| VCDI |
0 |
113 |
36 |
834 |
5123 |
7203 |
4505 |
426 |
|
Date: 2025-08-18:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66580 |
17008 |
185 |
1189 |
406 |
100 |
9 |
0 |
| OW |
8 |
241 |
11 |
125 |
109 |
24 |
0 |
0 |
| VODI |
38 |
564 |
40 |
401 |
546 |
147 |
8 |
0 |
| ODI |
22 |
2280 |
193 |
1994 |
3391 |
1477 |
166 |
6 |
| CDI |
6 |
1254 |
139 |
2119 |
8330 |
5841 |
1603 |
75 |
| VCDI |
0 |
178 |
36 |
890 |
5169 |
7071 |
4148 |
306 |
|
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