Validation of sea ice concentration - American sector
Reference date: 2025-04-10
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
8 |
90 |
9 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
33 |
747 |
7529 |
37449 |
|
|
Date: 2025-04-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
7 |
99 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
58 |
1388 |
8969 |
35329 |
|
|
Date: 2025-04-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
132 |
79 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
116 |
1551 |
9911 |
34059 |
|
|
Date: 2025-04-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
5 |
2 |
0 |
0 |
| CDI |
0 |
0 |
0 |
89 |
291 |
168 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
193 |
1531 |
10484 |
33081 |
|
|
Date: 2025-04-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
3 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
6 |
9 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
10 |
52 |
51 |
1 |
1 |
0 |
| CDI |
0 |
3 |
10 |
127 |
231 |
510 |
154 |
1 |
| VCDI |
0 |
1 |
7 |
87 |
98 |
1321 |
11111 |
32071 |
|
|
Date: 2025-04-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
21 |
6 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
107 |
33 |
2 |
0 |
| CDI |
0 |
0 |
0 |
97 |
313 |
617 |
374 |
6 |
| VCDI |
0 |
0 |
0 |
44 |
110 |
1425 |
12381 |
30304 |
|
|
Date: 2025-04-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
6 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
62 |
59 |
0 |
0 |
| CDI |
0 |
0 |
0 |
43 |
385 |
869 |
153 |
2 |
| VCDI |
0 |
0 |
0 |
5 |
147 |
1737 |
10263 |
32134 |
|
|
Date: 2025-04-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
5 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
50 |
96 |
10 |
1 |
0 |
| CDI |
0 |
0 |
0 |
49 |
460 |
930 |
88 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
219 |
1677 |
12625 |
29656 |
|
|
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