Validation of sea ice concentration - American sector
Reference date: 2025-06-05
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
675 |
132 |
155 |
31 |
0 |
0 |
0 |
| OW |
0 |
89 |
21 |
60 |
129 |
0 |
0 |
0 |
| VODI |
0 |
109 |
49 |
175 |
269 |
60 |
1 |
0 |
| ODI |
0 |
175 |
75 |
623 |
996 |
230 |
9 |
0 |
| CDI |
0 |
23 |
17 |
394 |
1569 |
4302 |
1925 |
14 |
| VCDI |
0 |
0 |
0 |
24 |
156 |
4689 |
14822 |
13868 |
|
|
Date: 2025-06-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
812 |
189 |
219 |
15 |
0 |
0 |
0 |
| OW |
0 |
69 |
16 |
77 |
106 |
0 |
0 |
0 |
| VODI |
0 |
131 |
29 |
231 |
428 |
79 |
0 |
0 |
| ODI |
0 |
176 |
91 |
680 |
1022 |
231 |
27 |
0 |
| CDI |
0 |
13 |
18 |
209 |
1374 |
3972 |
2972 |
22 |
| VCDI |
0 |
0 |
0 |
1 |
81 |
2798 |
13267 |
16511 |
|
|
Date: 2025-06-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
976 |
180 |
367 |
0 |
0 |
0 |
0 |
| OW |
0 |
49 |
11 |
237 |
74 |
4 |
0 |
0 |
| VODI |
0 |
121 |
32 |
346 |
503 |
87 |
2 |
0 |
| ODI |
0 |
143 |
96 |
675 |
1038 |
212 |
17 |
0 |
| CDI |
0 |
22 |
25 |
253 |
1693 |
6021 |
664 |
12 |
| VCDI |
0 |
0 |
0 |
3 |
77 |
2469 |
14651 |
14806 |
|
|
Date: 2025-06-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1077 |
156 |
445 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
11 |
276 |
86 |
0 |
0 |
0 |
| VODI |
0 |
146 |
57 |
367 |
655 |
77 |
14 |
0 |
| ODI |
0 |
198 |
95 |
599 |
1062 |
313 |
19 |
0 |
| CDI |
0 |
28 |
38 |
278 |
1788 |
5466 |
1012 |
8 |
| VCDI |
0 |
0 |
0 |
7 |
55 |
1756 |
13845 |
15893 |
|
|
Date: 2025-06-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1209 |
161 |
533 |
12 |
0 |
0 |
0 |
| OW |
0 |
64 |
13 |
353 |
96 |
0 |
0 |
0 |
| VODI |
0 |
182 |
69 |
487 |
656 |
85 |
1 |
0 |
| ODI |
0 |
189 |
75 |
631 |
1124 |
645 |
25 |
0 |
| CDI |
0 |
41 |
27 |
231 |
1064 |
4769 |
1691 |
2 |
| VCDI |
0 |
0 |
0 |
5 |
32 |
918 |
13130 |
17346 |
|
|
Date: 2025-06-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1379 |
236 |
544 |
6 |
0 |
0 |
0 |
| OW |
0 |
90 |
27 |
370 |
35 |
1 |
0 |
0 |
| VODI |
0 |
137 |
67 |
674 |
919 |
291 |
0 |
0 |
| ODI |
0 |
168 |
60 |
505 |
1547 |
666 |
12 |
0 |
| CDI |
0 |
31 |
32 |
219 |
1363 |
4321 |
997 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
1289 |
15243 |
14628 |
|
|
Date: 2025-06-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1690 |
208 |
509 |
16 |
0 |
0 |
0 |
| OW |
0 |
219 |
39 |
427 |
72 |
1 |
0 |
0 |
| VODI |
0 |
190 |
49 |
577 |
743 |
785 |
0 |
0 |
| ODI |
0 |
200 |
85 |
686 |
1207 |
1138 |
7 |
0 |
| CDI |
0 |
25 |
29 |
197 |
1119 |
3937 |
790 |
7 |
| VCDI |
0 |
0 |
0 |
3 |
32 |
2939 |
14122 |
13818 |
|
|
Date: 2025-06-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2337 |
206 |
405 |
8 |
0 |
0 |
0 |
| OW |
0 |
381 |
61 |
401 |
61 |
1 |
0 |
0 |
| VODI |
0 |
210 |
72 |
653 |
747 |
793 |
0 |
0 |
| ODI |
0 |
249 |
137 |
771 |
1411 |
946 |
9 |
0 |
| CDI |
0 |
63 |
31 |
137 |
1368 |
4924 |
833 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
555 |
6263 |
11156 |
10677 |
|
|
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