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 |
88 |
293 |
169 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
191 |
1530 |
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 |
0 |
0 |
| CDI |
0 |
3 |
10 |
130 |
231 |
511 |
151 |
1 |
| VCDI |
0 |
1 |
7 |
84 |
98 |
1320 |
11115 |
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 |
20 |
6 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
25 |
108 |
32 |
1 |
0 |
| CDI |
0 |
0 |
0 |
96 |
309 |
617 |
349 |
7 |
| VCDI |
0 |
0 |
0 |
45 |
113 |
1426 |
12407 |
30303 |
|
|
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 |
5 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
61 |
59 |
0 |
0 |
| CDI |
0 |
0 |
0 |
42 |
336 |
752 |
138 |
1 |
| VCDI |
0 |
0 |
0 |
6 |
198 |
1854 |
10278 |
32135 |
|
|
Date: 2025-04-18:
| Best estimate |
|
|
...observations not yet available
|
|
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