Validation of sea ice concentration - Asian sector
Bulletin date: 2022-03-03
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-25:
| 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 |
7 |
145 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
4 |
33 |
27 |
2 |
0 |
0 |
0 |
| VODI |
0 |
7 |
34 |
19 |
14 |
0 |
0 |
0 |
| ODI |
0 |
12 |
22 |
9 |
13 |
4 |
0 |
0 |
| CDI |
0 |
21 |
22 |
8 |
14 |
61 |
5 |
0 |
| VCDI |
0 |
131 |
107 |
136 |
177 |
640 |
12533 |
17844 |
|
...date precedes bulletin
|
Date: 2022-02-27:
| 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 |
109 |
29 |
46 |
4 |
0 |
0 |
0 |
| OW |
0 |
29 |
11 |
26 |
9 |
0 |
0 |
0 |
| VODI |
0 |
24 |
7 |
19 |
7 |
4 |
0 |
0 |
| ODI |
0 |
16 |
11 |
11 |
8 |
4 |
0 |
0 |
| CDI |
0 |
7 |
23 |
11 |
15 |
24 |
15 |
2 |
| VCDI |
0 |
116 |
169 |
184 |
169 |
671 |
8095 |
22207 |
|
...date precedes bulletin
|
Date: 2022-03-01:
| 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 |
146 |
29 |
35 |
1 |
0 |
0 |
0 |
| OW |
0 |
22 |
15 |
24 |
0 |
0 |
0 |
0 |
| VODI |
0 |
25 |
5 |
16 |
7 |
1 |
0 |
0 |
| ODI |
0 |
20 |
4 |
6 |
6 |
4 |
3 |
0 |
| CDI |
0 |
24 |
4 |
7 |
8 |
18 |
29 |
14 |
| VCDI |
0 |
164 |
69 |
115 |
167 |
766 |
7165 |
23163 |
|
...date precedes bulletin
|
Date: 2022-03-03:
| 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 |
98 |
33 |
57 |
0 |
0 |
0 |
0 |
| OW |
0 |
16 |
11 |
28 |
2 |
0 |
0 |
0 |
| VODI |
0 |
20 |
5 |
18 |
11 |
3 |
0 |
0 |
| ODI |
0 |
16 |
2 |
5 |
12 |
5 |
2 |
0 |
| CDI |
0 |
16 |
4 |
6 |
7 |
38 |
60 |
1 |
| VCDI |
0 |
131 |
52 |
121 |
132 |
321 |
6416 |
24433 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
101 |
33 |
59 |
0 |
0 |
0 |
0 |
| OW |
0 |
14 |
11 |
27 |
1 |
0 |
0 |
0 |
| VODI |
0 |
19 |
5 |
17 |
13 |
2 |
0 |
0 |
| ODI |
0 |
16 |
1 |
5 |
11 |
5 |
1 |
0 |
| CDI |
0 |
16 |
4 |
6 |
8 |
35 |
45 |
1 |
| VCDI |
0 |
131 |
53 |
121 |
131 |
325 |
6432 |
24433 |
|
Date: 2022-03-05:
| 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 |
73 |
45 |
50 |
6 |
0 |
0 |
0 |
| OW |
0 |
9 |
13 |
22 |
7 |
0 |
0 |
0 |
| VODI |
0 |
21 |
5 |
19 |
12 |
5 |
0 |
0 |
| ODI |
0 |
11 |
4 |
11 |
3 |
10 |
10 |
0 |
| CDI |
0 |
12 |
3 |
12 |
10 |
15 |
22 |
0 |
| VCDI |
0 |
98 |
49 |
86 |
108 |
245 |
7245 |
23841 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
73 |
46 |
54 |
6 |
0 |
0 |
0 |
| OW |
0 |
10 |
12 |
23 |
7 |
0 |
0 |
0 |
| VODI |
0 |
20 |
5 |
16 |
12 |
7 |
0 |
0 |
| ODI |
0 |
11 |
4 |
9 |
4 |
8 |
8 |
0 |
| CDI |
0 |
11 |
3 |
12 |
9 |
13 |
21 |
0 |
| VCDI |
0 |
99 |
49 |
86 |
108 |
247 |
7248 |
23841 |
|
Date: 2022-03-07:
| 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 |
38 |
33 |
56 |
36 |
0 |
0 |
0 |
| OW |
0 |
3 |
13 |
22 |
17 |
2 |
0 |
0 |
| VODI |
0 |
0 |
11 |
24 |
23 |
4 |
1 |
0 |
| ODI |
0 |
1 |
8 |
17 |
11 |
7 |
2 |
0 |
| CDI |
0 |
3 |
5 |
23 |
22 |
29 |
19 |
0 |
| VCDI |
0 |
5 |
61 |
86 |
81 |
264 |
7046 |
24109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
37 |
33 |
54 |
42 |
0 |
0 |
0 |
| OW |
0 |
2 |
7 |
23 |
14 |
2 |
0 |
0 |
| VODI |
0 |
2 |
15 |
18 |
19 |
6 |
1 |
0 |
| ODI |
0 |
1 |
9 |
18 |
10 |
8 |
2 |
0 |
| CDI |
0 |
3 |
6 |
17 |
13 |
30 |
33 |
0 |
| VCDI |
0 |
5 |
61 |
98 |
92 |
260 |
7032 |
24109 |
|
Date: 2022-03-09:
| 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 |
97 |
36 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
20 |
16 |
20 |
2 |
0 |
0 |
0 |
| VODI |
0 |
14 |
11 |
22 |
10 |
2 |
0 |
0 |
| ODI |
0 |
10 |
7 |
8 |
7 |
6 |
0 |
0 |
| CDI |
0 |
10 |
5 |
15 |
7 |
14 |
15 |
4 |
| VCDI |
0 |
57 |
59 |
67 |
87 |
306 |
4667 |
26457 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
95 |
37 |
20 |
0 |
0 |
0 |
0 |
| OW |
0 |
22 |
11 |
21 |
5 |
0 |
0 |
0 |
| VODI |
0 |
20 |
14 |
22 |
5 |
5 |
0 |
0 |
| ODI |
0 |
13 |
9 |
14 |
5 |
9 |
3 |
0 |
| CDI |
0 |
14 |
8 |
8 |
7 |
7 |
12 |
24 |
| VCDI |
0 |
44 |
55 |
71 |
91 |
307 |
4667 |
26437 |
|
Date: 2022-03-11:
| 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 |
75 |
78 |
20 |
8 |
2 |
0 |
0 |
| OW |
0 |
32 |
25 |
4 |
6 |
3 |
2 |
0 |
| VODI |
0 |
42 |
20 |
6 |
2 |
5 |
3 |
0 |
| ODI |
0 |
18 |
18 |
6 |
7 |
3 |
3 |
0 |
| CDI |
0 |
13 |
21 |
15 |
17 |
42 |
23 |
0 |
| VCDI |
0 |
119 |
91 |
186 |
194 |
496 |
7556 |
22921 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
57 |
75 |
20 |
6 |
2 |
0 |
0 |
| OW |
0 |
28 |
28 |
3 |
7 |
2 |
4 |
0 |
| VODI |
0 |
43 |
15 |
9 |
3 |
6 |
5 |
0 |
| ODI |
0 |
30 |
14 |
5 |
8 |
5 |
3 |
0 |
| CDI |
0 |
17 |
22 |
2 |
14 |
41 |
47 |
2 |
| VCDI |
0 |
124 |
99 |
198 |
196 |
495 |
7528 |
22919 |
|
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