Validation of sea ice concentration - American sector
Bulletin date: 2025-03-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-25:
| 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 |
3 |
29 |
| CDI |
0 |
0 |
0 |
7 |
11 |
97 |
116 |
439 |
| VCDI |
0 |
0 |
0 |
4 |
64 |
871 |
6727 |
37213 |
|
Date: 2025-03-27:
| 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 |
19 |
13 |
28 |
| CDI |
0 |
0 |
0 |
9 |
7 |
124 |
191 |
288 |
| VCDI |
0 |
0 |
0 |
3 |
70 |
991 |
7076 |
36775 |
|
Date: 2025-03-29:
| 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 |
15 |
33 |
28 |
| CDI |
0 |
0 |
0 |
3 |
11 |
104 |
207 |
311 |
| VCDI |
0 |
0 |
0 |
14 |
70 |
1196 |
8250 |
35351 |
|
Date: 2025-03-31:
| 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 |
15 |
10 |
2 |
| ODI |
0 |
0 |
0 |
0 |
0 |
36 |
88 |
35 |
| CDI |
0 |
0 |
0 |
4 |
12 |
90 |
388 |
261 |
| VCDI |
0 |
0 |
0 |
20 |
74 |
1119 |
11263 |
32177 |
|
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