Validation of sea ice concentration - American sector
Reference date: 2025-07-24
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
8244 |
5065 |
201 |
280 |
22 |
0 |
0 |
0 |
OW |
2 |
585 |
189 |
619 |
94 |
9 |
0 |
0 |
VODI |
0 |
30 |
18 |
793 |
3110 |
203 |
1 |
0 |
ODI |
0 |
2 |
0 |
9 |
4006 |
2455 |
12 |
0 |
CDI |
0 |
0 |
1 |
6 |
2072 |
14831 |
2205 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
212 |
570 |
0 |
|
|
Date: 2025-07-20:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
8433 |
5405 |
228 |
264 |
17 |
0 |
0 |
0 |
OW |
0 |
529 |
216 |
707 |
172 |
11 |
0 |
0 |
VODI |
0 |
45 |
44 |
850 |
2385 |
339 |
0 |
0 |
ODI |
0 |
6 |
2 |
14 |
2924 |
3741 |
123 |
0 |
CDI |
0 |
0 |
0 |
0 |
1639 |
14162 |
2468 |
0 |
VCDI |
0 |
0 |
0 |
0 |
1 |
451 |
670 |
0 |
|
|
Date: 2025-07-22:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
10250 |
4069 |
290 |
256 |
14 |
0 |
0 |
0 |
OW |
0 |
542 |
217 |
686 |
169 |
5 |
0 |
0 |
VODI |
0 |
48 |
40 |
1188 |
2377 |
191 |
1 |
0 |
ODI |
0 |
0 |
0 |
34 |
5109 |
1712 |
32 |
0 |
CDI |
0 |
0 |
0 |
2 |
1710 |
14579 |
1164 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
987 |
174 |
0 |
|
|
Date: 2025-07-24:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
10307 |
4318 |
303 |
270 |
10 |
0 |
0 |
0 |
OW |
0 |
481 |
227 |
742 |
181 |
0 |
0 |
0 |
VODI |
0 |
37 |
56 |
1532 |
2294 |
566 |
4 |
0 |
ODI |
0 |
0 |
0 |
67 |
3466 |
3535 |
4 |
0 |
CDI |
0 |
0 |
0 |
2 |
2637 |
13131 |
879 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
403 |
394 |
0 |
|
|
Date: 2025-07-26:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
10390 |
4654 |
306 |
290 |
9 |
0 |
0 |
0 |
OW |
0 |
438 |
250 |
843 |
143 |
1 |
0 |
0 |
VODI |
0 |
56 |
48 |
1438 |
2973 |
250 |
0 |
0 |
ODI |
0 |
0 |
1 |
74 |
5544 |
1678 |
9 |
0 |
CDI |
0 |
0 |
0 |
0 |
1972 |
12724 |
1436 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
83 |
236 |
0 |
|
|
Date: 2025-07-28:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
10570 |
5027 |
321 |
278 |
23 |
0 |
0 |
0 |
OW |
0 |
492 |
313 |
814 |
125 |
1 |
0 |
0 |
VODI |
0 |
49 |
65 |
1517 |
3047 |
259 |
6 |
0 |
ODI |
0 |
0 |
0 |
170 |
5055 |
3019 |
135 |
0 |
CDI |
0 |
0 |
0 |
0 |
1590 |
10610 |
1697 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
47 |
616 |
0 |
|
|
Date: 2025-07-30:
Best estimate |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
10686 |
5148 |
294 |
329 |
32 |
0 |
0 |
0 |
OW |
1 |
429 |
255 |
957 |
111 |
1 |
0 |
0 |
VODI |
0 |
34 |
77 |
1873 |
3560 |
622 |
4 |
0 |
ODI |
0 |
0 |
0 |
225 |
4644 |
5031 |
45 |
0 |
CDI |
0 |
0 |
0 |
0 |
339 |
9085 |
159 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
1701 |
204 |
0 |
|
|
Date: 2025-08-01:
Best estimate |
|
...observations not yet available
|
|
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