Validation of sea ice concentration - Asian sector
Bulletin date: 2022-05-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-29:
| 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 |
5 |
0 |
18 |
6 |
0 |
0 |
0 |
| OW |
0 |
35 |
1 |
21 |
4 |
0 |
0 |
0 |
| VODI |
0 |
16 |
4 |
44 |
27 |
2 |
0 |
0 |
| ODI |
0 |
1 |
2 |
51 |
62 |
32 |
0 |
0 |
| CDI |
0 |
0 |
0 |
42 |
78 |
236 |
23 |
2 |
| VCDI |
0 |
0 |
0 |
73 |
253 |
3784 |
9068 |
18192 |
|
...date precedes bulletin
|
Date: 2022-05-01:
| 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 |
10 |
0 |
12 |
6 |
0 |
0 |
0 |
| OW |
0 |
51 |
1 |
24 |
7 |
0 |
0 |
0 |
| VODI |
0 |
7 |
7 |
49 |
64 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
40 |
94 |
21 |
0 |
1 |
| CDI |
0 |
0 |
0 |
19 |
172 |
169 |
32 |
126 |
| VCDI |
0 |
0 |
0 |
37 |
415 |
3633 |
10148 |
16930 |
|
...date precedes bulletin
|
Date: 2022-05-03:
| 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 |
60 |
6 |
18 |
14 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
53 |
19 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
26 |
76 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
10 |
106 |
46 |
2 |
0 |
| CDI |
0 |
0 |
0 |
5 |
115 |
369 |
79 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
168 |
2785 |
10789 |
17331 |
|
...date precedes bulletin
|
Date: 2022-05-05:
| 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 |
34 |
4 |
8 |
8 |
1 |
0 |
0 |
| OW |
0 |
3 |
3 |
22 |
44 |
4 |
0 |
0 |
| VODI |
0 |
0 |
0 |
12 |
75 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
60 |
70 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
68 |
459 |
136 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
123 |
2149 |
11356 |
17434 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
32 |
4 |
8 |
11 |
1 |
0 |
0 |
| OW |
0 |
5 |
3 |
18 |
43 |
5 |
0 |
0 |
| VODI |
0 |
0 |
0 |
15 |
66 |
10 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
68 |
79 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
53 |
453 |
133 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
137 |
2144 |
11359 |
17434 |
|
Date: 2022-05-07:
| 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 |
44 |
4 |
9 |
5 |
0 |
0 |
0 |
| OW |
0 |
0 |
3 |
25 |
41 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
10 |
93 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
15 |
102 |
37 |
2 |
0 |
| CDI |
0 |
0 |
0 |
23 |
175 |
384 |
71 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
292 |
3248 |
10759 |
16738 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
33 |
3 |
6 |
9 |
0 |
0 |
0 |
| OW |
0 |
11 |
4 |
18 |
39 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
24 |
102 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
18 |
100 |
41 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
180 |
379 |
78 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
278 |
3248 |
10754 |
16740 |
|
Date: 2022-05-09:
| 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 |
67 |
10 |
35 |
8 |
0 |
0 |
0 |
| OW |
0 |
34 |
9 |
68 |
9 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
75 |
101 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
19 |
164 |
25 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
300 |
247 |
21 |
2 |
| VCDI |
0 |
0 |
0 |
10 |
262 |
3560 |
9411 |
17628 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
75 |
11 |
27 |
9 |
0 |
0 |
0 |
| OW |
0 |
21 |
2 |
46 |
11 |
0 |
0 |
0 |
| VODI |
0 |
5 |
6 |
60 |
65 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
52 |
115 |
43 |
2 |
0 |
| CDI |
0 |
0 |
0 |
14 |
299 |
214 |
24 |
14 |
| VCDI |
0 |
0 |
0 |
22 |
345 |
3571 |
9406 |
17616 |
|
Date: 2022-05-11:
| 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 |
113 |
17 |
81 |
16 |
0 |
0 |
0 |
| OW |
0 |
51 |
7 |
55 |
26 |
0 |
0 |
0 |
| VODI |
0 |
17 |
5 |
117 |
63 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
100 |
110 |
31 |
3 |
0 |
| CDI |
0 |
0 |
0 |
61 |
332 |
230 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
40 |
533 |
3681 |
11167 |
15179 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
73 |
10 |
64 |
17 |
0 |
0 |
0 |
| OW |
0 |
59 |
10 |
51 |
29 |
0 |
0 |
0 |
| VODI |
0 |
40 |
8 |
86 |
71 |
21 |
0 |
0 |
| ODI |
0 |
9 |
1 |
108 |
118 |
49 |
12 |
0 |
| CDI |
0 |
0 |
0 |
100 |
306 |
290 |
59 |
0 |
| VCDI |
0 |
0 |
0 |
45 |
539 |
3584 |
11144 |
15179 |
|
Date: 2022-05-13:
| 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 |
105 |
10 |
70 |
14 |
0 |
0 |
0 |
| OW |
0 |
52 |
9 |
45 |
25 |
0 |
0 |
0 |
| VODI |
0 |
21 |
7 |
107 |
53 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
111 |
131 |
27 |
1 |
0 |
| CDI |
0 |
0 |
0 |
56 |
475 |
233 |
75 |
9 |
| VCDI |
0 |
0 |
0 |
58 |
854 |
4050 |
10498 |
14982 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
96 |
7 |
49 |
6 |
0 |
0 |
0 |
| OW |
0 |
43 |
7 |
45 |
10 |
0 |
0 |
0 |
| VODI |
0 |
38 |
11 |
107 |
82 |
10 |
0 |
0 |
| ODI |
0 |
1 |
1 |
138 |
159 |
82 |
5 |
13 |
| CDI |
0 |
0 |
0 |
72 |
491 |
400 |
123 |
93 |
| VCDI |
0 |
0 |
0 |
36 |
804 |
3822 |
10446 |
14885 |
|
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