Validation of sea ice concentration - Full domain
Bulletin date: 2025-07-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-01:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
36096 |
17740 |
27 |
203 |
66 |
24 |
4 |
0 |
| OW |
344 |
1621 |
21 |
216 |
121 |
46 |
13 |
0 |
| VODI |
58 |
2481 |
75 |
774 |
796 |
544 |
93 |
1 |
| ODI |
10 |
1931 |
127 |
1553 |
2344 |
2757 |
1073 |
42 |
| CDI |
2 |
998 |
94 |
1719 |
4381 |
9739 |
6339 |
573 |
| VCDI |
0 |
384 |
38 |
853 |
4615 |
19301 |
12288 |
1908 |
|
Date: 2025-07-03:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
37589 |
21232 |
140 |
894 |
589 |
183 |
18 |
0 |
| OW |
3 |
489 |
11 |
182 |
251 |
130 |
13 |
0 |
| VODI |
2 |
822 |
32 |
555 |
906 |
564 |
87 |
0 |
| ODI |
0 |
1268 |
72 |
1112 |
2495 |
2526 |
1092 |
8 |
| CDI |
0 |
1144 |
80 |
1316 |
5087 |
9445 |
5390 |
97 |
| VCDI |
0 |
607 |
36 |
717 |
5613 |
19166 |
12245 |
225 |
|
Date: 2025-07-05:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
38155 |
21725 |
134 |
1514 |
1069 |
402 |
26 |
0 |
| OW |
0 |
358 |
13 |
164 |
252 |
89 |
5 |
0 |
| VODI |
0 |
736 |
32 |
465 |
945 |
559 |
122 |
0 |
| ODI |
0 |
1183 |
64 |
997 |
2526 |
2271 |
1054 |
0 |
| CDI |
0 |
1276 |
84 |
1174 |
5550 |
8726 |
4529 |
0 |
| VCDI |
0 |
843 |
62 |
567 |
6912 |
20521 |
9322 |
7 |
|
Date: 2025-07-07:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39107 |
21722 |
127 |
1758 |
1324 |
474 |
22 |
0 |
| OW |
0 |
378 |
10 |
167 |
244 |
115 |
8 |
0 |
| VODI |
2 |
776 |
22 |
479 |
875 |
494 |
125 |
0 |
| ODI |
3 |
1283 |
57 |
1027 |
2298 |
2334 |
787 |
13 |
| CDI |
3 |
1337 |
54 |
1047 |
4696 |
10322 |
4108 |
177 |
| VCDI |
0 |
971 |
41 |
467 |
6121 |
21381 |
7339 |
338 |
|
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