Validation of sea ice concentration - American sector
Bulletin date: 2024-01-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-05:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
6 |
21 |
9 |
0 |
0 |
| VODI |
0 |
0 |
0 |
9 |
122 |
73 |
0 |
0 |
| ODI |
0 |
0 |
0 |
43 |
229 |
101 |
0 |
0 |
| CDI |
0 |
0 |
0 |
32 |
222 |
358 |
27 |
0 |
| VCDI |
0 |
0 |
15 |
125 |
426 |
3476 |
13980 |
26592 |
|
...date precedes bulletin
|
Date: 2024-01-07:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
5 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
7 |
24 |
1 |
0 |
| ODI |
0 |
0 |
0 |
0 |
84 |
128 |
4 |
0 |
| CDI |
0 |
0 |
1 |
7 |
142 |
320 |
38 |
0 |
| VCDI |
0 |
7 |
6 |
65 |
469 |
3265 |
16453 |
24840 |
|
...date precedes bulletin
|
Date: 2024-01-09:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
22 |
35 |
5 |
0 |
| ODI |
0 |
0 |
0 |
0 |
13 |
32 |
6 |
0 |
| CDI |
0 |
0 |
0 |
1 |
122 |
350 |
42 |
11 |
| VCDI |
0 |
1 |
3 |
82 |
403 |
3459 |
17237 |
24042 |
|
...date precedes bulletin
|
Date: 2024-01-11:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
2 |
18 |
10 |
0 |
| ODI |
0 |
0 |
0 |
0 |
10 |
47 |
8 |
0 |
| CDI |
0 |
0 |
1 |
6 |
30 |
197 |
42 |
0 |
| VCDI |
0 |
9 |
13 |
59 |
372 |
2691 |
15522 |
26829 |
|
|
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 |
6 |
3 |
0 |
| ODI |
0 |
0 |
0 |
0 |
10 |
54 |
13 |
0 |
| CDI |
0 |
0 |
1 |
5 |
28 |
197 |
59 |
0 |
| VCDI |
0 |
9 |
13 |
60 |
376 |
2696 |
15507 |
26829 |
|
Date: 2024-01-13:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
10 |
16 |
14 |
0 |
| VODI |
0 |
0 |
0 |
0 |
45 |
32 |
12 |
0 |
| ODI |
0 |
1 |
3 |
17 |
53 |
51 |
22 |
0 |
| CDI |
0 |
5 |
5 |
44 |
273 |
276 |
71 |
1 |
| VCDI |
0 |
15 |
17 |
86 |
747 |
3494 |
16989 |
23567 |
|
|
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 |
8 |
13 |
12 |
0 |
| VODI |
0 |
0 |
0 |
2 |
44 |
22 |
8 |
0 |
| ODI |
0 |
0 |
0 |
8 |
72 |
48 |
19 |
0 |
| CDI |
0 |
6 |
7 |
47 |
249 |
305 |
105 |
1 |
| VCDI |
0 |
15 |
18 |
90 |
755 |
3481 |
16964 |
23567 |
|
Date: 2024-01-15:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
7 |
0 |
3 |
13 |
6 |
1 |
0 |
| ODI |
0 |
11 |
11 |
43 |
115 |
61 |
4 |
0 |
| CDI |
0 |
8 |
8 |
60 |
307 |
279 |
71 |
1 |
| VCDI |
0 |
9 |
25 |
134 |
833 |
3777 |
16558 |
23521 |
|
|
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 |
19 |
47 |
25 |
0 |
| ODI |
0 |
5 |
4 |
13 |
42 |
90 |
42 |
0 |
| CDI |
0 |
8 |
8 |
75 |
310 |
341 |
123 |
0 |
| VCDI |
0 |
22 |
32 |
152 |
897 |
3645 |
16444 |
23522 |
|
Date: 2024-01-17:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
35 |
11 |
0 |
| ODI |
0 |
0 |
0 |
12 |
0 |
33 |
44 |
0 |
| CDI |
0 |
2 |
2 |
32 |
183 |
255 |
82 |
0 |
| VCDI |
0 |
2 |
15 |
74 |
700 |
4431 |
16174 |
23779 |
|
|
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 |
14 |
4 |
27 |
43 |
0 |
| CDI |
0 |
2 |
3 |
18 |
164 |
391 |
190 |
8 |
| VCDI |
0 |
2 |
14 |
86 |
715 |
4336 |
16078 |
23771 |
|
Date: 2024-01-19:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
21 |
16 |
0 |
| ODI |
0 |
1 |
0 |
9 |
24 |
40 |
25 |
0 |
| CDI |
0 |
2 |
3 |
18 |
167 |
176 |
68 |
0 |
| VCDI |
0 |
2 |
3 |
64 |
643 |
3057 |
13834 |
27693 |
|
|
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 |
5 |
17 |
3 |
3 |
0 |
| CDI |
0 |
1 |
1 |
15 |
84 |
150 |
150 |
0 |
| VCDI |
0 |
4 |
5 |
71 |
733 |
3141 |
13790 |
27693 |
|
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