Validation of sea ice concentration - American sector
Reference date: 2025-06-19
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
2332 |
204 |
409 |
12 |
0 |
0 |
0 |
| OW |
0 |
381 |
60 |
408 |
58 |
1 |
0 |
0 |
| VODI |
0 |
209 |
74 |
645 |
749 |
796 |
0 |
0 |
| ODI |
0 |
248 |
135 |
771 |
1413 |
938 |
9 |
0 |
| CDI |
0 |
65 |
32 |
134 |
1358 |
4957 |
842 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
560 |
6235 |
11147 |
10677 |
|
|
Date: 2025-06-15:
| 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 |
3016 |
230 |
463 |
6 |
0 |
0 |
0 |
| OW |
0 |
382 |
61 |
478 |
89 |
1 |
0 |
0 |
| VODI |
0 |
188 |
71 |
548 |
914 |
671 |
0 |
0 |
| ODI |
0 |
236 |
102 |
457 |
1200 |
1872 |
6 |
0 |
| CDI |
0 |
58 |
20 |
104 |
1762 |
6777 |
920 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
1940 |
6014 |
10952 |
6320 |
|
|
Date: 2025-06-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39 |
3744 |
319 |
435 |
1 |
0 |
0 |
0 |
| OW |
0 |
443 |
58 |
483 |
103 |
1 |
0 |
0 |
| VODI |
0 |
112 |
41 |
522 |
827 |
367 |
0 |
0 |
| ODI |
0 |
248 |
83 |
302 |
1644 |
1754 |
7 |
0 |
| CDI |
0 |
42 |
20 |
89 |
2105 |
7684 |
1769 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
807 |
3851 |
8060 |
9883 |
|
|
Date: 2025-06-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
192 |
4250 |
250 |
363 |
3 |
0 |
0 |
0 |
| OW |
1 |
419 |
93 |
581 |
127 |
1 |
0 |
0 |
| VODI |
0 |
137 |
22 |
514 |
1330 |
348 |
0 |
0 |
| ODI |
0 |
263 |
66 |
272 |
1078 |
1395 |
15 |
0 |
| CDI |
0 |
27 |
13 |
81 |
1148 |
9131 |
3154 |
19 |
| VCDI |
0 |
0 |
0 |
0 |
900 |
2548 |
10247 |
6871 |
|
|
Date: 2025-06-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
684 |
4397 |
195 |
367 |
15 |
0 |
0 |
0 |
| OW |
0 |
355 |
94 |
563 |
116 |
0 |
0 |
0 |
| VODI |
0 |
173 |
37 |
532 |
2127 |
3 |
3 |
0 |
| ODI |
0 |
223 |
62 |
429 |
1322 |
301 |
11 |
0 |
| CDI |
0 |
17 |
7 |
58 |
2758 |
11175 |
980 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
518 |
3654 |
8174 |
6497 |
|
|
Date: 2025-06-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1394 |
4132 |
191 |
460 |
16 |
0 |
0 |
0 |
| OW |
0 |
406 |
83 |
600 |
131 |
0 |
0 |
0 |
| VODI |
0 |
155 |
46 |
353 |
1617 |
118 |
6 |
0 |
| ODI |
0 |
163 |
38 |
517 |
1148 |
913 |
26 |
0 |
| CDI |
0 |
4 |
7 |
53 |
1425 |
13719 |
631 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
221 |
3312 |
6159 |
7807 |
|
|
Date: 2025-06-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1920 |
4174 |
213 |
387 |
5 |
0 |
0 |
0 |
| OW |
0 |
444 |
137 |
634 |
77 |
0 |
0 |
0 |
| VODI |
0 |
124 |
28 |
648 |
1264 |
13 |
1 |
0 |
| ODI |
0 |
135 |
22 |
330 |
2142 |
356 |
25 |
0 |
| CDI |
0 |
11 |
12 |
43 |
2428 |
13078 |
397 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2664 |
5186 |
6155 |
2806 |
|
|
Date: 2025-06-27:
| Best estimate |
|
|
...observations not yet available
|
|
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