Validation of sea ice concentration - American sector
Bulletin date: 2025-03-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-18:
| Forecast |
|
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 |
6 |
14 |
9 |
4 |
| CDI |
0 |
0 |
0 |
2 |
16 |
144 |
140 |
115 |
| VCDI |
0 |
0 |
0 |
17 |
115 |
3299 |
11815 |
29898 |
|
Date: 2025-03-20:
| Forecast |
|
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 |
11 |
34 |
2 |
| CDI |
0 |
0 |
0 |
18 |
8 |
213 |
344 |
111 |
| VCDI |
0 |
0 |
0 |
43 |
82 |
2476 |
13181 |
29069 |
|
Date: 2025-03-22:
| Forecast |
|
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 |
8 |
15 |
13 |
| CDI |
0 |
0 |
0 |
12 |
14 |
112 |
449 |
198 |
| VCDI |
0 |
0 |
0 |
27 |
69 |
2084 |
11927 |
30665 |
|
Date: 2025-03-24:
| Forecast |
|
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 |
10 |
38 |
63 |
| CDI |
0 |
0 |
0 |
3 |
21 |
73 |
267 |
372 |
| VCDI |
0 |
0 |
0 |
6 |
49 |
1167 |
8532 |
34993 |
|
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