Validation of sea ice concentration - Asian sector
Bulletin date: 2015-04-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2015-04-17:
| 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 |
90 |
139 |
4 |
0 |
0 |
0 |
| OW |
0 |
6 |
34 |
86 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
18 |
72 |
31 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
63 |
187 |
69 |
3 |
0 |
| CDI |
0 |
0 |
0 |
61 |
293 |
194 |
112 |
2 |
| VCDI |
0 |
0 |
0 |
70 |
166 |
903 |
7072 |
22311 |
|
...date precedes bulletin
|
Date: 2015-04-19:
| 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 |
197 |
79 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
65 |
92 |
35 |
0 |
0 |
0 |
0 |
| VODI |
0 |
18 |
48 |
22 |
9 |
0 |
0 |
0 |
| ODI |
0 |
1 |
38 |
65 |
69 |
54 |
0 |
0 |
| CDI |
0 |
0 |
19 |
63 |
161 |
329 |
50 |
91 |
| VCDI |
0 |
0 |
7 |
100 |
221 |
1066 |
9804 |
19365 |
|
...date precedes bulletin
|
Date: 2015-04-21:
| 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 |
282 |
120 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
70 |
87 |
19 |
6 |
0 |
0 |
0 |
| VODI |
0 |
6 |
39 |
55 |
20 |
0 |
0 |
0 |
| ODI |
0 |
0 |
13 |
75 |
84 |
20 |
0 |
0 |
| CDI |
0 |
0 |
10 |
41 |
245 |
300 |
13 |
15 |
| VCDI |
0 |
0 |
0 |
26 |
188 |
1157 |
8859 |
20321 |
|
...date precedes bulletin
|
Date: 2015-04-23:
| 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 |
155 |
117 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
20 |
43 |
25 |
0 |
0 |
0 |
0 |
| VODI |
0 |
5 |
45 |
73 |
2 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
121 |
45 |
3 |
4 |
1 |
| CDI |
0 |
0 |
0 |
59 |
264 |
168 |
113 |
24 |
| VCDI |
0 |
0 |
0 |
20 |
620 |
1452 |
9727 |
18943 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
167 |
127 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
13 |
42 |
35 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
38 |
87 |
4 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
115 |
49 |
4 |
9 |
0 |
| CDI |
0 |
0 |
0 |
43 |
280 |
180 |
119 |
25 |
| VCDI |
0 |
0 |
0 |
18 |
598 |
1439 |
9716 |
18943 |
|
Date: 2015-04-25:
| 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 |
139 |
71 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
22 |
64 |
45 |
0 |
0 |
0 |
0 |
| VODI |
0 |
8 |
32 |
71 |
12 |
0 |
0 |
0 |
| ODI |
0 |
0 |
6 |
64 |
31 |
24 |
2 |
0 |
| CDI |
0 |
0 |
0 |
114 |
153 |
205 |
86 |
17 |
| VCDI |
0 |
0 |
0 |
47 |
647 |
2043 |
8871 |
19305 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
158 |
101 |
17 |
0 |
0 |
0 |
0 |
| OW |
0 |
11 |
44 |
59 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
23 |
56 |
21 |
0 |
0 |
0 |
| ODI |
0 |
0 |
5 |
73 |
33 |
29 |
2 |
0 |
| CDI |
0 |
0 |
0 |
103 |
193 |
219 |
72 |
23 |
| VCDI |
0 |
0 |
0 |
36 |
596 |
2024 |
8885 |
19299 |
|
Date: 2015-04-27:
| 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 |
82 |
129 |
63 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
14 |
100 |
3 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
75 |
48 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
175 |
24 |
2 |
0 |
| CDI |
0 |
0 |
0 |
2 |
291 |
309 |
106 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
210 |
1465 |
11321 |
17620 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
74 |
115 |
48 |
0 |
0 |
0 |
0 |
| OW |
0 |
8 |
19 |
95 |
3 |
0 |
0 |
0 |
| VODI |
0 |
0 |
9 |
63 |
26 |
0 |
1 |
0 |
| ODI |
0 |
0 |
0 |
51 |
72 |
25 |
8 |
0 |
| CDI |
0 |
0 |
0 |
15 |
230 |
231 |
203 |
6 |
| VCDI |
0 |
0 |
0 |
1 |
396 |
1543 |
11217 |
17623 |
|
Date: 2015-04-29:
| 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 |
99 |
124 |
75 |
0 |
0 |
0 |
0 |
| OW |
0 |
3 |
17 |
92 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
14 |
73 |
4 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
55 |
59 |
52 |
0 |
0 |
| CDI |
0 |
0 |
0 |
27 |
153 |
240 |
108 |
15 |
| VCDI |
0 |
0 |
0 |
10 |
139 |
1227 |
9678 |
19818 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
82 |
100 |
55 |
0 |
0 |
0 |
0 |
| OW |
0 |
16 |
14 |
81 |
0 |
0 |
0 |
0 |
| VODI |
0 |
4 |
19 |
73 |
3 |
0 |
0 |
0 |
| ODI |
0 |
0 |
15 |
43 |
53 |
35 |
6 |
0 |
| CDI |
0 |
0 |
7 |
46 |
109 |
129 |
257 |
18 |
| VCDI |
0 |
0 |
0 |
34 |
190 |
1355 |
9523 |
19815 |
|
Date: 2015-05-01:
| 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 |
114 |
96 |
67 |
0 |
0 |
0 |
0 |
| OW |
0 |
22 |
12 |
105 |
0 |
0 |
0 |
0 |
| VODI |
0 |
1 |
20 |
66 |
3 |
0 |
0 |
0 |
| ODI |
0 |
0 |
12 |
68 |
37 |
14 |
0 |
0 |
| CDI |
0 |
0 |
2 |
53 |
187 |
42 |
41 |
10 |
| VCDI |
0 |
0 |
0 |
31 |
480 |
937 |
8568 |
21094 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
79 |
73 |
71 |
0 |
0 |
0 |
0 |
| OW |
0 |
20 |
17 |
56 |
0 |
0 |
0 |
0 |
| VODI |
0 |
20 |
9 |
65 |
12 |
3 |
1 |
0 |
| ODI |
0 |
11 |
6 |
52 |
30 |
17 |
14 |
0 |
| CDI |
0 |
7 |
19 |
59 |
88 |
38 |
205 |
131 |
| VCDI |
0 |
0 |
18 |
87 |
577 |
935 |
8389 |
20973 |
|
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