Validation of sea ice concentration - Full domain
Bulletin date: 2025-10-09
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-03:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-10-05:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-10-07:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-10-09:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-10-11:
| 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 |
127547 |
13492 |
445 |
447 |
24 |
0 |
0 |
0 |
| OW |
101 |
1170 |
528 |
1011 |
270 |
15 |
0 |
0 |
| VODI |
7 |
169 |
125 |
1120 |
1015 |
140 |
0 |
0 |
| ODI |
0 |
108 |
16 |
283 |
1008 |
596 |
53 |
0 |
| CDI |
0 |
75 |
70 |
269 |
1078 |
2320 |
634 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
153 |
15296 |
21705 |
3433 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
127604 |
13512 |
481 |
529 |
66 |
0 |
0 |
0 |
| OW |
47 |
1132 |
459 |
997 |
265 |
21 |
0 |
0 |
| VODI |
4 |
193 |
154 |
1016 |
1012 |
117 |
0 |
0 |
| ODI |
0 |
88 |
18 |
303 |
1019 |
641 |
25 |
0 |
| CDI |
0 |
89 |
72 |
270 |
996 |
2479 |
709 |
0 |
| VCDI |
0 |
0 |
0 |
35 |
190 |
15109 |
21658 |
3433 |
|
Date: 2025-10-13:
| 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 |
128626 |
11438 |
1014 |
247 |
4 |
10 |
0 |
0 |
| OW |
132 |
1297 |
845 |
1149 |
45 |
20 |
0 |
0 |
| VODI |
2 |
91 |
318 |
980 |
600 |
20 |
0 |
0 |
| ODI |
1 |
2 |
215 |
358 |
1214 |
123 |
0 |
0 |
| CDI |
0 |
0 |
425 |
186 |
978 |
3333 |
200 |
0 |
| VCDI |
0 |
0 |
596 |
4012 |
1569 |
9807 |
17094 |
7792 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
128628 |
10917 |
1086 |
376 |
19 |
14 |
0 |
0 |
| OW |
127 |
1429 |
550 |
752 |
271 |
27 |
0 |
0 |
| VODI |
5 |
320 |
435 |
936 |
692 |
170 |
3 |
0 |
| ODI |
0 |
70 |
245 |
349 |
846 |
617 |
47 |
0 |
| CDI |
1 |
92 |
520 |
330 |
869 |
2249 |
568 |
0 |
| VCDI |
0 |
0 |
577 |
4189 |
1713 |
10236 |
16676 |
7792 |
|
Date: 2025-10-15:
| 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 |
124259 |
14277 |
827 |
854 |
93 |
0 |
0 |
0 |
| OW |
170 |
964 |
358 |
1800 |
337 |
5 |
0 |
0 |
| VODI |
33 |
44 |
70 |
932 |
1163 |
63 |
0 |
0 |
| ODI |
1 |
0 |
2 |
352 |
1138 |
350 |
10 |
0 |
| CDI |
0 |
0 |
0 |
197 |
1060 |
2769 |
561 |
0 |
| VCDI |
1 |
0 |
0 |
54 |
877 |
11841 |
18308 |
10973 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
124197 |
13508 |
722 |
997 |
152 |
15 |
0 |
0 |
| OW |
201 |
1291 |
342 |
1170 |
395 |
64 |
4 |
0 |
| VODI |
64 |
324 |
139 |
1145 |
989 |
162 |
27 |
0 |
| ODI |
1 |
94 |
10 |
351 |
1088 |
624 |
80 |
0 |
| CDI |
0 |
50 |
10 |
201 |
777 |
2032 |
1268 |
0 |
| VCDI |
1 |
18 |
34 |
325 |
1267 |
12131 |
17500 |
10973 |
|
Date: 2025-10-17:
| 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 |
123913 |
13276 |
596 |
679 |
119 |
0 |
0 |
0 |
| OW |
359 |
1202 |
429 |
1582 |
380 |
34 |
0 |
0 |
| VODI |
102 |
131 |
93 |
1043 |
1370 |
240 |
0 |
0 |
| ODI |
1 |
36 |
27 |
267 |
1034 |
681 |
23 |
0 |
| CDI |
0 |
4 |
24 |
260 |
833 |
2469 |
1014 |
0 |
| VCDI |
1 |
0 |
0 |
1 |
212 |
12141 |
19193 |
10974 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123804 |
12245 |
610 |
1090 |
345 |
54 |
0 |
0 |
| OW |
290 |
1537 |
269 |
1097 |
522 |
125 |
9 |
0 |
| VODI |
234 |
439 |
179 |
901 |
1143 |
359 |
63 |
0 |
| ODI |
46 |
142 |
33 |
261 |
855 |
758 |
269 |
0 |
| CDI |
1 |
135 |
18 |
164 |
548 |
1430 |
1654 |
8 |
| VCDI |
1 |
151 |
60 |
319 |
535 |
12839 |
18235 |
10966 |
|
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