Validation of sea ice concentration - Asian sector
Bulletin date: 2020-04-02
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-03-27:
| 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 |
90 |
7 |
42 |
19 |
0 |
0 |
0 |
| OW |
0 |
39 |
14 |
44 |
8 |
0 |
0 |
0 |
| VODI |
0 |
57 |
10 |
108 |
70 |
1 |
0 |
0 |
| ODI |
0 |
5 |
1 |
54 |
137 |
21 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
153 |
211 |
93 |
39 |
| VCDI |
0 |
0 |
0 |
0 |
72 |
1360 |
11191 |
18233 |
|
...date precedes bulletin
|
Date: 2020-03-29:
| 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 |
54 |
0 |
9 |
32 |
25 |
0 |
0 |
| OW |
0 |
30 |
3 |
18 |
20 |
8 |
0 |
0 |
| VODI |
0 |
4 |
5 |
67 |
62 |
15 |
0 |
0 |
| ODI |
0 |
1 |
0 |
39 |
137 |
54 |
31 |
0 |
| CDI |
0 |
0 |
0 |
11 |
72 |
189 |
181 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
1222 |
10526 |
19240 |
|
...date precedes bulletin
|
Date: 2020-03-31:
| 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 |
71 |
2 |
4 |
15 |
46 |
0 |
0 |
| OW |
0 |
18 |
3 |
24 |
25 |
17 |
0 |
0 |
| VODI |
0 |
3 |
0 |
14 |
65 |
24 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
57 |
104 |
27 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1 |
240 |
174 |
49 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
594 |
6007 |
24498 |
|
...date precedes bulletin
|
Date: 2020-04-02:
| 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 |
3 |
5 |
0 |
58 |
0 |
0 |
| OW |
0 |
8 |
4 |
18 |
0 |
37 |
0 |
0 |
| VODI |
0 |
0 |
0 |
28 |
33 |
43 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
30 |
63 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
27 |
162 |
30 |
38 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
665 |
6863 |
23914 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
35 |
2 |
2 |
0 |
62 |
0 |
0 |
| OW |
0 |
9 |
3 |
17 |
0 |
38 |
0 |
0 |
| VODI |
0 |
2 |
2 |
30 |
22 |
40 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
54 |
66 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
14 |
122 |
10 |
36 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
700 |
6883 |
23916 |
|
Date: 2020-04-04:
| 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 |
28 |
4 |
1 |
0 |
42 |
0 |
0 |
| OW |
0 |
1 |
2 |
23 |
1 |
36 |
0 |
0 |
| VODI |
0 |
0 |
0 |
23 |
37 |
38 |
0 |
0 |
| ODI |
0 |
0 |
0 |
2 |
33 |
70 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
8 |
236 |
106 |
25 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
1006 |
11134 |
19218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
27 |
4 |
1 |
0 |
44 |
0 |
0 |
| OW |
0 |
2 |
2 |
19 |
0 |
32 |
0 |
0 |
| VODI |
0 |
0 |
0 |
24 |
16 |
37 |
0 |
0 |
| ODI |
0 |
0 |
0 |
5 |
52 |
76 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
11 |
221 |
94 |
27 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
1018 |
11145 |
19216 |
|
Date: 2020-04-06:
| 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 |
32 |
5 |
26 |
0 |
13 |
6 |
0 |
| OW |
0 |
0 |
1 |
26 |
18 |
12 |
3 |
0 |
| VODI |
0 |
0 |
0 |
2 |
43 |
36 |
1 |
0 |
| ODI |
0 |
0 |
0 |
0 |
3 |
70 |
3 |
17 |
| CDI |
0 |
0 |
0 |
0 |
0 |
179 |
96 |
142 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
496 |
10821 |
20031 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
29 |
4 |
5 |
0 |
22 |
8 |
0 |
| OW |
0 |
3 |
2 |
18 |
0 |
21 |
2 |
0 |
| VODI |
0 |
0 |
0 |
27 |
12 |
38 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
50 |
31 |
4 |
32 |
| CDI |
0 |
0 |
0 |
0 |
1 |
120 |
95 |
123 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
574 |
10821 |
20035 |
|
Date: 2020-04-08:
| 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 |
4 |
22 |
3 |
3 |
12 |
0 |
| OW |
0 |
0 |
0 |
13 |
21 |
15 |
9 |
0 |
| VODI |
0 |
0 |
0 |
0 |
41 |
42 |
3 |
0 |
| ODI |
0 |
0 |
0 |
1 |
7 |
58 |
13 |
1 |
| CDI |
0 |
0 |
0 |
0 |
19 |
83 |
139 |
19 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
366 |
9225 |
21924 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
25 |
1 |
7 |
0 |
10 |
16 |
0 |
| OW |
0 |
4 |
3 |
12 |
0 |
16 |
4 |
0 |
| VODI |
0 |
0 |
0 |
15 |
16 |
37 |
3 |
0 |
| ODI |
0 |
0 |
0 |
1 |
52 |
42 |
9 |
0 |
| CDI |
0 |
0 |
0 |
1 |
12 |
88 |
101 |
25 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
374 |
9268 |
21919 |
|
Date: 2020-04-10:
| 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 |
55 |
1 |
3 |
0 |
5 |
18 |
0 |
| OW |
0 |
14 |
4 |
18 |
0 |
8 |
23 |
0 |
| VODI |
0 |
0 |
0 |
35 |
25 |
15 |
40 |
0 |
| ODI |
0 |
0 |
0 |
0 |
25 |
37 |
32 |
0 |
| CDI |
0 |
0 |
0 |
0 |
34 |
212 |
184 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
1262 |
12266 |
17737 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
25 |
0 |
0 |
0 |
20 |
41 |
0 |
| OW |
0 |
15 |
1 |
1 |
0 |
6 |
28 |
0 |
| VODI |
0 |
18 |
0 |
11 |
4 |
7 |
38 |
0 |
| ODI |
0 |
11 |
4 |
34 |
23 |
11 |
33 |
1 |
| CDI |
0 |
0 |
0 |
10 |
41 |
177 |
169 |
23 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
1318 |
12254 |
17728 |
|
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