Validation of sea ice concentration - American sector
Bulletin date: 2025-04-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-01:
| 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 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
18 |
37 |
8 |
| CDI |
0 |
0 |
0 |
0 |
28 |
95 |
301 |
222 |
| VCDI |
0 |
0 |
0 |
0 |
68 |
948 |
11858 |
32010 |
|
Date: 2025-04-03:
| 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 |
12 |
18 |
28 |
| CDI |
0 |
0 |
0 |
0 |
9 |
76 |
198 |
370 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
824 |
7622 |
36412 |
|
Date: 2025-04-05:
| 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 |
13 |
23 |
46 |
| CDI |
0 |
0 |
0 |
0 |
3 |
102 |
229 |
410 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
690 |
6818 |
37258 |
|
Date: 2025-04-07:
| 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 |
9 |
65 |
31 |
12 |
| CDI |
0 |
0 |
0 |
0 |
43 |
188 |
222 |
350 |
| VCDI |
0 |
0 |
0 |
0 |
164 |
1472 |
8883 |
34155 |
|
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