Validation of sea ice concentration - Asian sector
Bulletin date: 2022-04-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-08:
| 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 |
29 |
17 |
45 |
28 |
0 |
0 |
0 |
| OW |
0 |
2 |
9 |
24 |
14 |
0 |
0 |
0 |
| VODI |
0 |
0 |
2 |
43 |
25 |
2 |
0 |
0 |
| ODI |
0 |
0 |
1 |
29 |
27 |
14 |
3 |
0 |
| CDI |
0 |
1 |
5 |
28 |
62 |
94 |
92 |
26 |
| VCDI |
0 |
0 |
0 |
41 |
409 |
1103 |
11342 |
18565 |
|
...date precedes bulletin
|
Date: 2022-04-10:
| 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 |
19 |
14 |
27 |
40 |
0 |
0 |
0 |
| OW |
0 |
0 |
2 |
12 |
35 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
9 |
51 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
7 |
49 |
20 |
1 |
0 |
| CDI |
0 |
0 |
0 |
9 |
71 |
102 |
41 |
19 |
| VCDI |
0 |
0 |
0 |
4 |
178 |
1306 |
10077 |
19988 |
|
...date precedes bulletin
|
Date: 2022-04-12:
| 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 |
9 |
15 |
51 |
33 |
0 |
0 |
0 |
| OW |
0 |
0 |
3 |
34 |
26 |
0 |
0 |
0 |
| VODI |
0 |
0 |
3 |
36 |
33 |
6 |
0 |
0 |
| ODI |
0 |
1 |
4 |
30 |
40 |
33 |
1 |
0 |
| CDI |
0 |
3 |
8 |
15 |
47 |
116 |
13 |
0 |
| VCDI |
0 |
1 |
9 |
35 |
264 |
1564 |
8981 |
20668 |
|
...date precedes bulletin
|
Date: 2022-04-14:
| 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 |
10 |
15 |
69 |
24 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
26 |
22 |
0 |
0 |
0 |
| VODI |
0 |
0 |
4 |
29 |
30 |
11 |
0 |
0 |
| ODI |
0 |
0 |
1 |
21 |
36 |
17 |
3 |
0 |
| CDI |
0 |
0 |
1 |
12 |
47 |
95 |
75 |
3 |
| VCDI |
0 |
1 |
6 |
37 |
270 |
1647 |
11080 |
18490 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
10 |
15 |
72 |
27 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
25 |
26 |
2 |
0 |
0 |
| VODI |
0 |
0 |
4 |
25 |
28 |
9 |
0 |
0 |
| ODI |
0 |
0 |
1 |
24 |
30 |
19 |
1 |
0 |
| CDI |
0 |
0 |
1 |
12 |
48 |
99 |
87 |
3 |
| VCDI |
0 |
1 |
6 |
36 |
270 |
1641 |
11070 |
18490 |
|
Date: 2022-04-16:
| 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 |
1 |
19 |
32 |
45 |
4 |
0 |
0 |
| OW |
0 |
0 |
0 |
7 |
37 |
8 |
0 |
0 |
| VODI |
0 |
0 |
0 |
8 |
45 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
5 |
29 |
38 |
0 |
0 |
| CDI |
0 |
0 |
1 |
3 |
48 |
112 |
43 |
5 |
| VCDI |
0 |
0 |
0 |
9 |
217 |
1355 |
11039 |
18954 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1 |
19 |
32 |
51 |
5 |
0 |
0 |
| OW |
0 |
0 |
0 |
7 |
35 |
9 |
0 |
0 |
| VODI |
0 |
0 |
0 |
9 |
40 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
29 |
35 |
1 |
0 |
| CDI |
0 |
0 |
0 |
3 |
54 |
108 |
47 |
2 |
| VCDI |
0 |
0 |
1 |
9 |
212 |
1363 |
11034 |
18957 |
|
Date: 2022-04-18:
| 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 |
0 |
27 |
34 |
12 |
6 |
0 |
0 |
| OW |
0 |
0 |
3 |
16 |
20 |
10 |
0 |
0 |
| VODI |
0 |
0 |
1 |
26 |
36 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
53 |
80 |
5 |
0 |
| CDI |
0 |
0 |
1 |
6 |
91 |
139 |
103 |
9 |
| VCDI |
0 |
0 |
0 |
8 |
216 |
1265 |
12178 |
17711 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
26 |
36 |
18 |
11 |
0 |
0 |
| OW |
0 |
0 |
4 |
15 |
19 |
8 |
0 |
0 |
| VODI |
0 |
0 |
1 |
22 |
22 |
12 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
28 |
25 |
7 |
0 |
| CDI |
0 |
0 |
0 |
5 |
74 |
110 |
120 |
15 |
| VCDI |
0 |
0 |
1 |
13 |
267 |
1351 |
12159 |
17705 |
|
Date: 2022-04-20:
| 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 |
0 |
29 |
18 |
11 |
0 |
0 |
0 |
| OW |
0 |
0 |
12 |
10 |
14 |
13 |
0 |
0 |
| VODI |
0 |
7 |
9 |
21 |
30 |
12 |
0 |
0 |
| ODI |
0 |
0 |
1 |
13 |
27 |
32 |
7 |
0 |
| CDI |
0 |
0 |
0 |
8 |
46 |
136 |
139 |
3 |
| VCDI |
0 |
0 |
0 |
13 |
174 |
1389 |
11958 |
17950 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
28 |
19 |
15 |
11 |
0 |
0 |
| OW |
0 |
0 |
11 |
8 |
17 |
7 |
0 |
0 |
| VODI |
0 |
0 |
7 |
19 |
25 |
10 |
0 |
0 |
| ODI |
0 |
6 |
3 |
13 |
22 |
12 |
6 |
0 |
| CDI |
0 |
1 |
2 |
8 |
38 |
122 |
134 |
5 |
| VCDI |
0 |
0 |
0 |
16 |
185 |
1420 |
11964 |
17948 |
|
Date: 2022-04-22:
| 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 |
0 |
0 |
11 |
16 |
18 |
0 |
0 |
| OW |
0 |
0 |
0 |
6 |
13 |
25 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
32 |
37 |
3 |
0 |
| ODI |
0 |
0 |
0 |
0 |
35 |
39 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
23 |
99 |
115 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
193 |
987 |
11504 |
18926 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
11 |
17 |
33 |
0 |
0 |
| OW |
0 |
0 |
0 |
5 |
10 |
24 |
3 |
0 |
| VODI |
0 |
0 |
0 |
1 |
23 |
35 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
35 |
36 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
31 |
121 |
140 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
196 |
956 |
11477 |
18926 |
|
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