Validation of sea ice concentration - American sector
Bulletin date: 2025-05-08
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-02:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5657 |
2410 |
21 |
30 |
7 |
0 |
0 |
0 |
| OW |
0 |
1014 |
146 |
316 |
78 |
0 |
0 |
0 |
| VODI |
0 |
75 |
144 |
1476 |
785 |
40 |
7 |
0 |
| ODI |
0 |
8 |
2 |
172 |
1256 |
498 |
62 |
1 |
| CDI |
0 |
6 |
0 |
55 |
363 |
887 |
491 |
84 |
| VCDI |
0 |
0 |
0 |
12 |
246 |
2044 |
14195 |
28643 |
|
...date precedes bulletin
|
Date: 2025-05-04:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5798 |
2098 |
17 |
37 |
3 |
0 |
0 |
0 |
| OW |
0 |
1265 |
177 |
415 |
48 |
0 |
0 |
0 |
| VODI |
0 |
155 |
160 |
1237 |
863 |
93 |
11 |
0 |
| ODI |
0 |
0 |
0 |
141 |
1042 |
519 |
61 |
5 |
| CDI |
0 |
0 |
0 |
51 |
424 |
1118 |
855 |
114 |
| VCDI |
0 |
0 |
0 |
2 |
190 |
1709 |
12725 |
29898 |
|
...date precedes bulletin
|
Date: 2025-05-06:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5697 |
2246 |
26 |
112 |
14 |
0 |
0 |
0 |
| OW |
0 |
1485 |
164 |
571 |
125 |
0 |
3 |
4 |
| VODI |
0 |
174 |
99 |
863 |
769 |
93 |
11 |
10 |
| ODI |
0 |
35 |
24 |
253 |
891 |
454 |
28 |
36 |
| CDI |
0 |
3 |
4 |
82 |
426 |
1415 |
917 |
467 |
| VCDI |
0 |
0 |
0 |
17 |
166 |
1241 |
10773 |
31533 |
|
...date precedes bulletin
|
Date: 2025-05-08:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-05-10:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-05-12:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-05-14:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-05-16:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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