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 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
12 |
77 |
33 |
0 |
0 |
| ODI |
0 |
0 |
0 |
11 |
142 |
44 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
168 |
302 |
163 |
5 |
| VCDI |
0 |
0 |
15 |
174 |
633 |
3638 |
13844 |
26587 |
|
...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 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
25 |
38 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
45 |
196 |
114 |
3 |
| VCDI |
0 |
7 |
7 |
72 |
632 |
3506 |
16380 |
24837 |
|
...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 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
4 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
18 |
124 |
89 |
10 |
| VCDI |
0 |
1 |
3 |
83 |
542 |
3748 |
17201 |
24043 |
|
...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 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
2 |
6 |
8 |
0 |
0 |
| CDI |
0 |
0 |
4 |
7 |
27 |
75 |
24 |
0 |
| VCDI |
0 |
9 |
10 |
56 |
381 |
2870 |
15558 |
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 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
6 |
10 |
0 |
0 |
| CDI |
0 |
0 |
4 |
5 |
22 |
74 |
22 |
0 |
| VCDI |
0 |
9 |
10 |
59 |
386 |
2869 |
15560 |
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 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
2 |
2 |
2 |
13 |
10 |
0 |
0 |
| CDI |
0 |
5 |
6 |
20 |
95 |
144 |
11 |
0 |
| VCDI |
0 |
14 |
17 |
125 |
1020 |
3715 |
17097 |
23568 |
|
|
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 |
3 |
2 |
4 |
13 |
6 |
0 |
0 |
| CDI |
0 |
4 |
6 |
21 |
102 |
162 |
10 |
0 |
| VCDI |
0 |
14 |
17 |
122 |
1013 |
3701 |
17098 |
23568 |
|
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 |
0 |
0 |
5 |
3 |
0 |
0 |
0 |
| ODI |
0 |
2 |
1 |
16 |
21 |
15 |
0 |
0 |
| CDI |
0 |
16 |
11 |
30 |
157 |
143 |
25 |
1 |
| VCDI |
0 |
17 |
32 |
189 |
1087 |
3965 |
16609 |
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 |
1 |
1 |
0 |
0 |
0 |
| ODI |
0 |
2 |
1 |
12 |
13 |
14 |
0 |
0 |
| CDI |
0 |
4 |
9 |
38 |
101 |
138 |
26 |
1 |
| VCDI |
0 |
29 |
34 |
189 |
1153 |
3971 |
16608 |
23521 |
|
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 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
2 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
34 |
80 |
154 |
35 |
3 |
| VCDI |
0 |
4 |
17 |
80 |
801 |
4599 |
16276 |
23776 |
|
|
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 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
7 |
16 |
3 |
0 |
| CDI |
0 |
0 |
0 |
11 |
39 |
184 |
63 |
0 |
| VCDI |
0 |
4 |
17 |
104 |
837 |
4551 |
16245 |
23779 |
|
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 |
1 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
2 |
20 |
2 |
0 |
0 |
| CDI |
0 |
1 |
0 |
3 |
85 |
57 |
33 |
0 |
| VCDI |
0 |
4 |
6 |
86 |
728 |
3235 |
13910 |
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 |
0 |
8 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
57 |
56 |
49 |
0 |
| VCDI |
0 |
5 |
6 |
89 |
769 |
3238 |
13894 |
27693 |
|
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