Validation of sea ice concentration - Asian sector
Bulletin date: 2022-02-17
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-11:
| 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 |
138 |
92 |
26 |
8 |
0 |
0 |
0 |
| OW |
0 |
68 |
6 |
9 |
1 |
2 |
0 |
0 |
| VODI |
0 |
108 |
4 |
15 |
13 |
4 |
0 |
0 |
| ODI |
0 |
131 |
14 |
32 |
55 |
13 |
0 |
0 |
| CDI |
0 |
105 |
41 |
42 |
84 |
50 |
111 |
6 |
| VCDI |
0 |
370 |
175 |
183 |
407 |
1074 |
11445 |
17250 |
|
...date precedes bulletin
|
Date: 2022-02-13:
| 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 |
147 |
36 |
49 |
16 |
0 |
0 |
0 |
| OW |
0 |
45 |
19 |
16 |
5 |
0 |
0 |
0 |
| VODI |
0 |
117 |
1 |
11 |
3 |
1 |
0 |
0 |
| ODI |
0 |
132 |
23 |
7 |
35 |
24 |
2 |
0 |
| CDI |
0 |
91 |
98 |
42 |
108 |
74 |
48 |
73 |
| VCDI |
0 |
225 |
314 |
235 |
591 |
1416 |
9579 |
18499 |
|
...date precedes bulletin
|
Date: 2022-02-15:
| 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 |
145 |
51 |
79 |
6 |
0 |
0 |
0 |
| OW |
0 |
49 |
6 |
14 |
8 |
1 |
0 |
0 |
| VODI |
0 |
123 |
11 |
6 |
11 |
2 |
0 |
0 |
| ODI |
0 |
196 |
35 |
10 |
21 |
29 |
0 |
0 |
| CDI |
0 |
117 |
35 |
56 |
67 |
97 |
23 |
14 |
| VCDI |
0 |
190 |
148 |
323 |
577 |
1583 |
9125 |
18924 |
|
...date precedes bulletin
|
Date: 2022-02-17:
| 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 |
94 |
52 |
88 |
21 |
0 |
0 |
0 |
| OW |
0 |
22 |
7 |
22 |
14 |
3 |
0 |
0 |
| VODI |
0 |
28 |
27 |
4 |
12 |
5 |
0 |
0 |
| ODI |
0 |
53 |
14 |
6 |
20 |
7 |
1 |
0 |
| CDI |
0 |
127 |
48 |
29 |
46 |
57 |
46 |
6 |
| VCDI |
0 |
277 |
213 |
315 |
405 |
1330 |
9196 |
19487 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
94 |
50 |
90 |
20 |
0 |
0 |
0 |
| OW |
0 |
19 |
7 |
21 |
15 |
3 |
0 |
0 |
| VODI |
0 |
30 |
24 |
2 |
11 |
5 |
0 |
0 |
| ODI |
0 |
49 |
16 |
6 |
15 |
5 |
0 |
0 |
| CDI |
0 |
150 |
50 |
28 |
45 |
56 |
48 |
8 |
| VCDI |
0 |
259 |
214 |
317 |
412 |
1333 |
9195 |
19485 |
|
Date: 2022-02-19:
| 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 |
67 |
36 |
68 |
50 |
0 |
0 |
0 |
| OW |
0 |
17 |
6 |
14 |
27 |
3 |
0 |
0 |
| VODI |
0 |
18 |
17 |
11 |
17 |
6 |
0 |
0 |
| ODI |
0 |
23 |
13 |
5 |
25 |
8 |
0 |
0 |
| CDI |
0 |
32 |
18 |
12 |
20 |
100 |
90 |
2 |
| VCDI |
0 |
204 |
138 |
349 |
389 |
1378 |
11288 |
17631 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
67 |
35 |
69 |
53 |
0 |
0 |
0 |
| OW |
0 |
18 |
6 |
14 |
26 |
4 |
0 |
0 |
| VODI |
0 |
18 |
18 |
10 |
17 |
6 |
0 |
0 |
| ODI |
0 |
23 |
13 |
5 |
25 |
10 |
0 |
0 |
| CDI |
0 |
40 |
20 |
12 |
18 |
94 |
97 |
1 |
| VCDI |
0 |
195 |
136 |
349 |
389 |
1381 |
11281 |
17632 |
|
Date: 2022-02-21:
| 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 |
78 |
22 |
53 |
49 |
0 |
0 |
0 |
| OW |
0 |
13 |
6 |
13 |
27 |
4 |
0 |
0 |
| VODI |
0 |
7 |
8 |
22 |
20 |
10 |
0 |
0 |
| ODI |
0 |
7 |
11 |
29 |
21 |
10 |
1 |
0 |
| CDI |
0 |
8 |
20 |
50 |
57 |
139 |
64 |
5 |
| VCDI |
0 |
78 |
96 |
210 |
325 |
1932 |
11645 |
17042 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
69 |
22 |
52 |
53 |
0 |
0 |
0 |
| OW |
0 |
12 |
4 |
19 |
27 |
8 |
0 |
0 |
| VODI |
0 |
12 |
12 |
16 |
19 |
13 |
0 |
0 |
| ODI |
0 |
9 |
11 |
28 |
13 |
16 |
6 |
0 |
| CDI |
0 |
11 |
19 |
35 |
32 |
85 |
68 |
7 |
| VCDI |
0 |
78 |
95 |
227 |
355 |
1973 |
11636 |
17040 |
|
Date: 2022-02-23:
| 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 |
87 |
29 |
33 |
18 |
0 |
0 |
0 |
| OW |
0 |
11 |
8 |
20 |
16 |
3 |
0 |
0 |
| VODI |
0 |
8 |
8 |
20 |
17 |
11 |
1 |
0 |
| ODI |
0 |
4 |
5 |
18 |
7 |
9 |
1 |
0 |
| CDI |
0 |
0 |
8 |
27 |
10 |
79 |
99 |
16 |
| VCDI |
0 |
40 |
27 |
129 |
223 |
1327 |
11427 |
18336 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
81 |
30 |
34 |
27 |
2 |
0 |
0 |
| OW |
0 |
10 |
8 |
26 |
13 |
10 |
0 |
0 |
| VODI |
0 |
12 |
6 |
20 |
13 |
8 |
2 |
0 |
| ODI |
0 |
6 |
6 |
16 |
8 |
7 |
3 |
0 |
| CDI |
0 |
1 |
8 |
24 |
10 |
75 |
176 |
0 |
| VCDI |
0 |
40 |
27 |
127 |
220 |
1327 |
11347 |
18352 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
9 |
146 |
43 |
0 |
0 |
0 |
0 |
| OW |
0 |
1 |
37 |
21 |
10 |
0 |
0 |
0 |
| VODI |
0 |
6 |
37 |
13 |
11 |
0 |
0 |
0 |
| ODI |
0 |
11 |
18 |
8 |
8 |
6 |
0 |
0 |
| CDI |
0 |
19 |
15 |
7 |
12 |
24 |
15 |
12 |
| VCDI |
0 |
136 |
110 |
138 |
179 |
675 |
12523 |
17832 |
|
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