Validation of sea ice concentration - Asian sector
Bulletin date: 2022-03-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-04:
| 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 |
80 |
35 |
57 |
9 |
0 |
0 |
0 |
| OW |
0 |
9 |
15 |
21 |
5 |
0 |
0 |
0 |
| VODI |
0 |
18 |
3 |
19 |
12 |
7 |
0 |
0 |
| ODI |
0 |
17 |
2 |
8 |
5 |
6 |
6 |
0 |
| CDI |
0 |
17 |
3 |
7 |
9 |
25 |
41 |
0 |
| VCDI |
0 |
123 |
50 |
110 |
112 |
268 |
6716 |
24267 |
|
...date precedes bulletin
|
Date: 2022-03-06:
| 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 |
48 |
35 |
59 |
21 |
0 |
0 |
0 |
| OW |
0 |
5 |
6 |
25 |
19 |
1 |
0 |
0 |
| VODI |
0 |
4 |
15 |
18 |
19 |
6 |
0 |
0 |
| ODI |
0 |
5 |
8 |
12 |
8 |
6 |
4 |
0 |
| CDI |
0 |
7 |
5 |
17 |
14 |
21 |
15 |
0 |
| VCDI |
0 |
32 |
82 |
84 |
93 |
270 |
6874 |
24244 |
|
...date precedes bulletin
|
Date: 2022-03-08:
| 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 |
10 |
75 |
38 |
30 |
0 |
0 |
0 |
| OW |
0 |
0 |
12 |
33 |
16 |
0 |
0 |
0 |
| VODI |
0 |
0 |
15 |
23 |
18 |
7 |
0 |
0 |
| ODI |
0 |
1 |
7 |
23 |
12 |
7 |
3 |
0 |
| CDI |
0 |
1 |
6 |
22 |
17 |
10 |
8 |
2 |
| VCDI |
0 |
0 |
65 |
97 |
71 |
245 |
8507 |
22701 |
|
...date precedes bulletin
|
Date: 2022-03-10:
| 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 |
3 |
124 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
6 |
34 |
20 |
4 |
2 |
0 |
0 |
| VODI |
0 |
6 |
26 |
30 |
4 |
2 |
2 |
0 |
| ODI |
0 |
11 |
9 |
15 |
12 |
2 |
3 |
0 |
| CDI |
0 |
10 |
7 |
12 |
14 |
11 |
16 |
0 |
| VCDI |
0 |
50 |
76 |
113 |
123 |
252 |
5809 |
25251 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
3 |
126 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
6 |
33 |
21 |
4 |
2 |
0 |
0 |
| VODI |
0 |
6 |
26 |
28 |
5 |
2 |
2 |
0 |
| ODI |
0 |
10 |
9 |
17 |
11 |
2 |
3 |
0 |
| CDI |
0 |
10 |
6 |
10 |
15 |
9 |
15 |
0 |
| VCDI |
0 |
51 |
76 |
113 |
122 |
254 |
5810 |
25251 |
|
Date: 2022-03-12:
| 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 |
117 |
32 |
26 |
14 |
3 |
0 |
0 |
| OW |
0 |
49 |
7 |
7 |
5 |
5 |
1 |
0 |
| VODI |
0 |
52 |
3 |
10 |
6 |
1 |
5 |
0 |
| ODI |
0 |
33 |
6 |
7 |
5 |
5 |
1 |
0 |
| CDI |
0 |
29 |
18 |
24 |
19 |
38 |
28 |
0 |
| VCDI |
0 |
172 |
109 |
188 |
238 |
815 |
8121 |
21883 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
124 |
32 |
23 |
14 |
2 |
0 |
0 |
| OW |
0 |
47 |
7 |
6 |
5 |
6 |
1 |
0 |
| VODI |
0 |
46 |
3 |
12 |
6 |
1 |
5 |
0 |
| ODI |
0 |
32 |
5 |
6 |
5 |
3 |
1 |
0 |
| CDI |
0 |
27 |
13 |
27 |
24 |
42 |
31 |
0 |
| VCDI |
0 |
176 |
115 |
188 |
233 |
813 |
8118 |
21883 |
|
Date: 2022-03-14:
| 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 |
212 |
36 |
14 |
6 |
0 |
0 |
0 |
| OW |
0 |
40 |
12 |
12 |
2 |
2 |
0 |
0 |
| VODI |
0 |
30 |
7 |
11 |
9 |
2 |
0 |
0 |
| ODI |
0 |
13 |
8 |
7 |
9 |
2 |
3 |
0 |
| CDI |
0 |
20 |
17 |
17 |
8 |
17 |
38 |
6 |
| VCDI |
0 |
112 |
66 |
224 |
186 |
550 |
7172 |
23212 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
121 |
27 |
13 |
4 |
0 |
0 |
0 |
| OW |
0 |
55 |
12 |
8 |
3 |
2 |
0 |
0 |
| VODI |
0 |
38 |
9 |
10 |
7 |
0 |
0 |
0 |
| ODI |
0 |
31 |
3 |
7 |
6 |
3 |
0 |
0 |
| CDI |
0 |
24 |
10 |
5 |
6 |
38 |
60 |
4 |
| VCDI |
0 |
158 |
85 |
242 |
194 |
530 |
7153 |
23214 |
|
Date: 2022-03-16:
| 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 |
246 |
8 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
54 |
9 |
8 |
2 |
0 |
0 |
0 |
| VODI |
0 |
32 |
15 |
7 |
7 |
1 |
0 |
0 |
| ODI |
0 |
27 |
3 |
14 |
5 |
6 |
0 |
0 |
| CDI |
0 |
33 |
17 |
19 |
27 |
50 |
34 |
0 |
| VCDI |
0 |
190 |
146 |
198 |
273 |
1007 |
10563 |
19077 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
191 |
5 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
63 |
7 |
6 |
0 |
0 |
0 |
0 |
| VODI |
0 |
32 |
14 |
11 |
6 |
1 |
0 |
0 |
| ODI |
0 |
25 |
10 |
17 |
11 |
3 |
0 |
0 |
| CDI |
0 |
38 |
9 |
30 |
44 |
99 |
84 |
2 |
| VCDI |
0 |
233 |
153 |
186 |
253 |
961 |
10513 |
19075 |
|
Date: 2022-03-18:
| 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 |
241 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
72 |
3 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
77 |
12 |
2 |
0 |
0 |
0 |
0 |
| ODI |
0 |
63 |
18 |
36 |
30 |
17 |
7 |
0 |
| CDI |
0 |
63 |
27 |
37 |
93 |
115 |
143 |
0 |
| VCDI |
0 |
332 |
121 |
178 |
323 |
1759 |
14745 |
13568 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
209 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
74 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
89 |
23 |
9 |
1 |
0 |
0 |
0 |
| ODI |
0 |
66 |
31 |
45 |
72 |
46 |
10 |
0 |
| CDI |
0 |
74 |
9 |
39 |
99 |
189 |
203 |
3 |
| VCDI |
0 |
336 |
118 |
160 |
274 |
1656 |
14682 |
13565 |
|
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