Validation of sea ice concentration - American sector
Reference date: 2025-03-13
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-07:
| 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 |
4 |
7 |
0 |
| CDI |
0 |
0 |
0 |
0 |
2 |
79 |
42 |
1 |
| VCDI |
0 |
0 |
0 |
11 |
66 |
1231 |
10352 |
34071 |
|
|
Date: 2025-03-09:
| 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 |
1 |
3 |
10 |
0 |
| CDI |
0 |
0 |
0 |
2 |
47 |
42 |
41 |
8 |
| VCDI |
0 |
0 |
0 |
24 |
204 |
988 |
8378 |
36118 |
|
|
Date: 2025-03-11:
| 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 |
3 |
2 |
2 |
8 |
0 |
| CDI |
0 |
0 |
0 |
14 |
16 |
91 |
89 |
7 |
| VCDI |
0 |
0 |
0 |
34 |
142 |
772 |
7488 |
37198 |
|
|
Date: 2025-03-13:
| 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 |
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 |
1 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
10 |
49 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
34 |
103 |
1809 |
8086 |
35766 |
|
|
Date: 2025-03-15:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
3 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
1 |
2 |
0 |
0 |
| CDI |
0 |
1 |
0 |
7 |
11 |
45 |
2 |
3 |
| VCDI |
0 |
2 |
2 |
83 |
301 |
2032 |
12191 |
31176 |
|
|
Date: 2025-03-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
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 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
9 |
188 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
78 |
3281 |
11507 |
30780 |
|
|
Date: 2025-03-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
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 |
1 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
4 |
40 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
31 |
187 |
2985 |
11933 |
30673 |
|
|
Date: 2025-03-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
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 |
2 |
3 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
25 |
56 |
21 |
18 |
| VCDI |
0 |
0 |
0 |
39 |
48 |
2266 |
12893 |
30489 |
|
|
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