Validation of sea ice concentration - American sector
Reference date: 2025-01-23
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-01-17:
| 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 |
203 |
40 |
131 |
4 |
0 |
0 |
0 |
| OW |
0 |
26 |
9 |
92 |
29 |
1 |
0 |
0 |
| VODI |
0 |
22 |
5 |
48 |
54 |
11 |
0 |
0 |
| ODI |
0 |
47 |
22 |
97 |
65 |
59 |
5 |
0 |
| CDI |
0 |
1 |
0 |
34 |
320 |
137 |
84 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
155 |
1505 |
9983 |
32672 |
|
|
Date: 2025-01-19:
| 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 |
90 |
44 |
112 |
15 |
0 |
0 |
0 |
| OW |
0 |
24 |
3 |
46 |
24 |
0 |
0 |
0 |
| VODI |
0 |
8 |
1 |
56 |
78 |
0 |
0 |
0 |
| ODI |
0 |
1 |
1 |
173 |
129 |
13 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
360 |
220 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
187 |
2918 |
11674 |
29623 |
|
|
Date: 2025-01-21:
| 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 |
7 |
4 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
23 |
42 |
13 |
0 |
0 |
| ODI |
0 |
0 |
0 |
45 |
130 |
65 |
2 |
0 |
| CDI |
0 |
0 |
0 |
110 |
209 |
256 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
243 |
2515 |
13586 |
28588 |
|
|
Date: 2025-01-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
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 |
21 |
138 |
140 |
11 |
1 |
| VCDI |
0 |
0 |
0 |
4 |
257 |
2609 |
13154 |
29529 |
|
|
Date: 2025-01-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
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 |
1 |
0 |
| CDI |
0 |
0 |
0 |
4 |
86 |
246 |
12 |
1 |
| VCDI |
0 |
0 |
0 |
35 |
130 |
2509 |
13242 |
29596 |
|
|
Date: 2025-01-27:
| 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 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
20 |
140 |
43 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
90 |
1907 |
13129 |
30534 |
|
|
Date: 2025-01-29:
| 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 |
24 |
93 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
1613 |
11170 |
32933 |
|
|
Date: 2025-01-31:
| 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 |
9 |
165 |
27 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
220 |
2045 |
8385 |
35009 |
|
|
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