Validation of sea ice concentration - Asian sector
Reference date: 2025-07-10
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1241 |
4957 |
179 |
163 |
29 |
0 |
0 |
0 |
| OW |
0 |
194 |
83 |
214 |
123 |
13 |
0 |
0 |
| VODI |
0 |
218 |
109 |
386 |
529 |
199 |
5 |
0 |
| ODI |
0 |
285 |
117 |
652 |
2173 |
1167 |
50 |
0 |
| CDI |
0 |
12 |
15 |
105 |
1693 |
7820 |
3176 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
500 |
5674 |
0 |
|
|
Date: 2025-07-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
989 |
5459 |
206 |
171 |
35 |
1 |
0 |
0 |
| OW |
0 |
202 |
83 |
214 |
128 |
6 |
0 |
0 |
| VODI |
0 |
200 |
105 |
429 |
683 |
177 |
9 |
0 |
| ODI |
0 |
297 |
118 |
674 |
2490 |
1278 |
171 |
0 |
| CDI |
0 |
14 |
8 |
75 |
1366 |
7974 |
3195 |
51 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
612 |
4521 |
135 |
|
|
Date: 2025-07-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1359 |
5506 |
190 |
180 |
48 |
1 |
0 |
0 |
| OW |
0 |
253 |
107 |
292 |
105 |
3 |
0 |
0 |
| VODI |
0 |
210 |
123 |
594 |
701 |
86 |
2 |
0 |
| ODI |
0 |
271 |
142 |
613 |
2525 |
1461 |
32 |
0 |
| CDI |
0 |
8 |
1 |
50 |
1117 |
9029 |
1431 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
3412 |
2218 |
0 |
|
|
Date: 2025-07-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1369 |
5872 |
200 |
272 |
58 |
0 |
0 |
0 |
| OW |
0 |
356 |
104 |
432 |
241 |
18 |
0 |
0 |
| VODI |
0 |
289 |
127 |
526 |
860 |
323 |
0 |
0 |
| ODI |
0 |
317 |
126 |
533 |
2130 |
1264 |
17 |
0 |
| CDI |
0 |
2 |
1 |
20 |
6931 |
8954 |
81 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
138 |
515 |
6 |
0 |
|
|
Date: 2025-07-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2292 |
5255 |
238 |
335 |
59 |
0 |
0 |
0 |
| OW |
0 |
497 |
195 |
662 |
320 |
6 |
0 |
0 |
| VODI |
0 |
283 |
115 |
552 |
1327 |
181 |
6 |
0 |
| ODI |
0 |
212 |
90 |
385 |
2358 |
861 |
1 |
0 |
| CDI |
0 |
1 |
0 |
8 |
1274 |
14356 |
173 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
34 |
4 |
0 |
|
|
Date: 2025-07-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2437 |
5510 |
311 |
458 |
68 |
0 |
0 |
0 |
| OW |
0 |
589 |
292 |
753 |
337 |
2 |
0 |
0 |
| VODI |
0 |
164 |
72 |
542 |
1217 |
367 |
0 |
0 |
| ODI |
0 |
141 |
52 |
226 |
2343 |
1333 |
2 |
0 |
| CDI |
0 |
1 |
0 |
3 |
598 |
14132 |
97 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
34 |
1 |
0 |
|
|
Date: 2025-07-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2600 |
5716 |
383 |
615 |
43 |
0 |
0 |
0 |
| OW |
0 |
527 |
288 |
827 |
306 |
4 |
0 |
0 |
| VODI |
0 |
188 |
69 |
490 |
1345 |
125 |
0 |
0 |
| ODI |
0 |
55 |
26 |
240 |
2760 |
1987 |
14 |
0 |
| CDI |
0 |
0 |
0 |
9 |
399 |
12272 |
769 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
22 |
2 |
0 |
|
|
Date: 2025-07-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2490 |
6526 |
503 |
695 |
52 |
0 |
0 |
0 |
| OW |
0 |
712 |
307 |
856 |
424 |
1 |
0 |
0 |
| VODI |
0 |
119 |
69 |
589 |
1607 |
91 |
0 |
0 |
| ODI |
0 |
10 |
15 |
209 |
3111 |
1506 |
42 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1630 |
9568 |
945 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
1 |
0 |
|
|
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