Validation of sea ice concentration - Asian sector
Bulletin date: 2022-05-12
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-05-06:
| 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 |
0 |
36 |
10 |
6 |
6 |
1 |
0 |
0 |
| OW |
0 |
8 |
8 |
13 |
25 |
17 |
0 |
0 |
| VODI |
0 |
3 |
1 |
13 |
40 |
37 |
7 |
0 |
| ODI |
0 |
0 |
1 |
22 |
49 |
58 |
16 |
0 |
| CDI |
0 |
0 |
9 |
78 |
128 |
223 |
248 |
0 |
| VCDI |
0 |
0 |
0 |
84 |
393 |
2832 |
13379 |
14331 |
|
...date precedes bulletin
|
Date: 2022-05-08:
| 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 |
56 |
6 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
7 |
10 |
35 |
24 |
1 |
0 |
0 |
| VODI |
0 |
4 |
6 |
28 |
59 |
8 |
1 |
0 |
| ODI |
0 |
1 |
6 |
32 |
81 |
29 |
6 |
0 |
| CDI |
0 |
0 |
1 |
38 |
237 |
178 |
99 |
0 |
| VCDI |
0 |
0 |
1 |
60 |
458 |
2878 |
13299 |
14422 |
|
...date precedes bulletin
|
Date: 2022-05-10:
| 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 |
88 |
53 |
36 |
14 |
1 |
0 |
0 |
| OW |
0 |
41 |
39 |
41 |
9 |
1 |
0 |
0 |
| VODI |
0 |
21 |
30 |
89 |
46 |
9 |
2 |
0 |
| ODI |
0 |
4 |
19 |
85 |
98 |
12 |
11 |
0 |
| CDI |
0 |
4 |
8 |
76 |
208 |
189 |
80 |
0 |
| VCDI |
0 |
0 |
10 |
85 |
514 |
3036 |
13708 |
13415 |
|
...date precedes bulletin
|
Date: 2022-05-12:
| 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 |
15 |
77 |
14 |
4 |
0 |
0 |
| OW |
0 |
47 |
21 |
43 |
9 |
4 |
0 |
0 |
| VODI |
0 |
29 |
53 |
91 |
31 |
5 |
7 |
0 |
| ODI |
0 |
13 |
21 |
114 |
99 |
35 |
16 |
0 |
| CDI |
0 |
5 |
22 |
139 |
274 |
200 |
144 |
0 |
| VCDI |
0 |
4 |
14 |
217 |
701 |
3434 |
12775 |
13300 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
109 |
21 |
91 |
15 |
4 |
0 |
0 |
| OW |
0 |
53 |
26 |
40 |
8 |
4 |
0 |
0 |
| VODI |
0 |
17 |
42 |
88 |
33 |
4 |
7 |
0 |
| ODI |
0 |
10 |
18 |
105 |
95 |
29 |
18 |
0 |
| CDI |
0 |
9 |
22 |
132 |
267 |
211 |
133 |
0 |
| VCDI |
0 |
5 |
17 |
225 |
710 |
3430 |
12784 |
13300 |
|
Date: 2022-05-14:
| 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 |
85 |
59 |
49 |
10 |
2 |
0 |
0 |
| OW |
0 |
42 |
39 |
49 |
8 |
4 |
1 |
0 |
| VODI |
0 |
14 |
51 |
97 |
11 |
7 |
6 |
0 |
| ODI |
0 |
8 |
13 |
100 |
70 |
15 |
20 |
0 |
| CDI |
0 |
5 |
24 |
122 |
378 |
226 |
133 |
0 |
| VCDI |
0 |
7 |
29 |
188 |
981 |
4089 |
12581 |
12559 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
95 |
68 |
57 |
11 |
2 |
0 |
0 |
| OW |
0 |
34 |
35 |
47 |
6 |
5 |
1 |
0 |
| VODI |
0 |
12 |
47 |
104 |
13 |
6 |
8 |
0 |
| ODI |
0 |
6 |
13 |
87 |
77 |
16 |
18 |
0 |
| CDI |
0 |
4 |
17 |
103 |
334 |
260 |
135 |
0 |
| VCDI |
0 |
10 |
35 |
207 |
1017 |
4054 |
12579 |
12559 |
|
Date: 2022-05-16:
| 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 |
66 |
82 |
38 |
5 |
0 |
0 |
0 |
| OW |
0 |
29 |
46 |
78 |
10 |
3 |
0 |
0 |
| VODI |
0 |
7 |
39 |
150 |
55 |
17 |
0 |
0 |
| ODI |
0 |
1 |
7 |
145 |
153 |
84 |
8 |
0 |
| CDI |
0 |
2 |
6 |
259 |
594 |
562 |
221 |
18 |
| VCDI |
0 |
8 |
44 |
210 |
915 |
3757 |
11457 |
13006 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
71 |
86 |
45 |
7 |
0 |
0 |
0 |
| OW |
0 |
21 |
27 |
40 |
10 |
5 |
0 |
0 |
| VODI |
0 |
10 |
40 |
104 |
37 |
25 |
0 |
0 |
| ODI |
0 |
1 |
11 |
108 |
88 |
50 |
17 |
0 |
| CDI |
0 |
0 |
9 |
196 |
360 |
446 |
196 |
1 |
| VCDI |
0 |
10 |
51 |
387 |
1230 |
3897 |
11473 |
13023 |
|
Date: 2022-05-18:
| 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 |
147 |
71 |
47 |
3 |
0 |
0 |
0 |
| OW |
0 |
28 |
33 |
108 |
22 |
2 |
0 |
0 |
| VODI |
0 |
4 |
23 |
132 |
78 |
15 |
3 |
0 |
| ODI |
0 |
3 |
31 |
130 |
141 |
55 |
20 |
0 |
| CDI |
0 |
8 |
42 |
313 |
538 |
545 |
224 |
30 |
| VCDI |
0 |
25 |
75 |
348 |
1244 |
4223 |
11472 |
11899 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
129 |
58 |
48 |
3 |
0 |
0 |
0 |
| OW |
0 |
30 |
21 |
52 |
11 |
4 |
0 |
0 |
| VODI |
0 |
16 |
30 |
75 |
46 |
9 |
9 |
0 |
| ODI |
0 |
5 |
25 |
133 |
86 |
23 |
29 |
0 |
| CDI |
0 |
5 |
46 |
310 |
432 |
582 |
345 |
10 |
| VCDI |
0 |
30 |
95 |
460 |
1448 |
4222 |
11336 |
11919 |
|
Date: 2022-05-20:
| 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 |
175 |
51 |
21 |
2 |
0 |
0 |
0 |
| OW |
0 |
35 |
78 |
79 |
20 |
4 |
0 |
0 |
| VODI |
0 |
11 |
33 |
115 |
85 |
27 |
5 |
0 |
| ODI |
0 |
24 |
46 |
114 |
146 |
66 |
59 |
0 |
| CDI |
0 |
30 |
126 |
230 |
444 |
588 |
491 |
32 |
| VCDI |
0 |
92 |
123 |
446 |
1337 |
4075 |
13177 |
9695 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
166 |
75 |
37 |
6 |
0 |
0 |
0 |
| OW |
0 |
28 |
24 |
39 |
30 |
7 |
3 |
0 |
| VODI |
0 |
17 |
42 |
86 |
55 |
10 |
9 |
0 |
| ODI |
0 |
20 |
41 |
118 |
91 |
56 |
54 |
0 |
| CDI |
0 |
37 |
123 |
224 |
445 |
594 |
469 |
7 |
| VCDI |
0 |
99 |
152 |
501 |
1407 |
4093 |
13197 |
9720 |
|
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