Validation of sea ice concentration - American sector
Reference date: 2025-10-30
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11927 |
4493 |
227 |
293 |
61 |
0 |
0 |
0 |
| OW |
2 |
110 |
61 |
276 |
196 |
6 |
0 |
0 |
| VODI |
0 |
29 |
45 |
145 |
266 |
149 |
21 |
0 |
| ODI |
0 |
3 |
14 |
99 |
240 |
292 |
48 |
0 |
| CDI |
0 |
0 |
0 |
16 |
303 |
998 |
218 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
38 |
2972 |
11335 |
10956 |
|
|
Date: 2025-10-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11587 |
4027 |
242 |
363 |
132 |
7 |
0 |
0 |
| OW |
1 |
109 |
60 |
181 |
261 |
39 |
0 |
0 |
| VODI |
0 |
39 |
46 |
156 |
208 |
175 |
13 |
0 |
| ODI |
0 |
4 |
3 |
95 |
242 |
381 |
54 |
0 |
| CDI |
0 |
1 |
4 |
23 |
283 |
1703 |
447 |
1 |
| VCDI |
0 |
0 |
1 |
4 |
28 |
2017 |
16123 |
6780 |
|
|
Date: 2025-10-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11740 |
3451 |
208 |
440 |
86 |
1 |
0 |
0 |
| OW |
2 |
166 |
60 |
207 |
199 |
40 |
0 |
0 |
| VODI |
0 |
86 |
33 |
142 |
197 |
138 |
9 |
0 |
| ODI |
0 |
28 |
17 |
93 |
218 |
192 |
52 |
0 |
| CDI |
0 |
4 |
9 |
42 |
246 |
966 |
194 |
0 |
| VCDI |
0 |
0 |
2 |
15 |
84 |
2305 |
17837 |
6331 |
|
|
Date: 2025-10-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10313 |
4334 |
265 |
463 |
145 |
16 |
0 |
0 |
| OW |
1 |
154 |
92 |
244 |
168 |
40 |
0 |
0 |
| VODI |
0 |
60 |
52 |
179 |
154 |
112 |
1 |
0 |
| ODI |
0 |
16 |
27 |
160 |
217 |
172 |
38 |
0 |
| CDI |
0 |
2 |
10 |
58 |
286 |
734 |
148 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
58 |
2273 |
12297 |
12533 |
|
|
Date: 2025-11-01:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-11-03:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-11-05:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-11-07:
| Best estimate |
|
|
...observations not yet available
|
|
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