Validation of sea ice concentration - Asian sector
Bulletin date: 2017-05-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-04-28:
| 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 |
88 |
153 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
5 |
33 |
29 |
2 |
0 |
0 |
0 |
| VODI |
0 |
7 |
22 |
83 |
8 |
0 |
0 |
0 |
| ODI |
0 |
12 |
0 |
50 |
46 |
7 |
7 |
0 |
| CDI |
0 |
1 |
0 |
27 |
151 |
161 |
49 |
12 |
| VCDI |
0 |
0 |
0 |
51 |
293 |
1806 |
14060 |
14885 |
|
...date precedes bulletin
|
Date: 2017-04-30:
| 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 |
135 |
100 |
34 |
1 |
0 |
0 |
0 |
| OW |
0 |
2 |
34 |
28 |
3 |
0 |
0 |
0 |
| VODI |
0 |
20 |
26 |
64 |
10 |
0 |
0 |
0 |
| ODI |
0 |
10 |
0 |
31 |
47 |
28 |
0 |
0 |
| CDI |
0 |
0 |
0 |
47 |
105 |
157 |
15 |
7 |
| VCDI |
0 |
0 |
0 |
24 |
308 |
2072 |
13575 |
15199 |
|
...date precedes bulletin
|
Date: 2017-05-02:
| 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 |
78 |
179 |
67 |
6 |
0 |
0 |
0 |
| OW |
0 |
12 |
17 |
56 |
6 |
0 |
0 |
0 |
| VODI |
0 |
8 |
0 |
57 |
21 |
0 |
0 |
0 |
| ODI |
0 |
3 |
0 |
33 |
33 |
2 |
0 |
0 |
| CDI |
0 |
1 |
0 |
74 |
153 |
57 |
31 |
22 |
| VCDI |
0 |
0 |
0 |
25 |
361 |
1842 |
12249 |
16689 |
|
...date precedes bulletin
|
Date: 2017-05-04:
| 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 |
68 |
196 |
51 |
4 |
0 |
0 |
0 |
| OW |
0 |
14 |
15 |
65 |
14 |
0 |
0 |
0 |
| VODI |
0 |
14 |
3 |
43 |
9 |
0 |
0 |
0 |
| ODI |
0 |
5 |
0 |
34 |
48 |
19 |
1 |
0 |
| CDI |
0 |
0 |
0 |
58 |
139 |
143 |
19 |
6 |
| VCDI |
0 |
0 |
0 |
113 |
385 |
1238 |
11017 |
18361 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
70 |
205 |
62 |
8 |
0 |
0 |
0 |
| OW |
0 |
18 |
8 |
61 |
13 |
0 |
0 |
0 |
| VODI |
0 |
9 |
1 |
35 |
9 |
0 |
0 |
0 |
| ODI |
0 |
4 |
0 |
35 |
45 |
16 |
1 |
0 |
| CDI |
0 |
0 |
0 |
53 |
129 |
134 |
19 |
7 |
| VCDI |
0 |
0 |
0 |
118 |
395 |
1250 |
11017 |
18360 |
|
Date: 2017-05-06:
| 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 |
122 |
128 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
15 |
43 |
41 |
6 |
0 |
0 |
0 |
| VODI |
0 |
34 |
7 |
53 |
12 |
0 |
0 |
0 |
| ODI |
0 |
12 |
0 |
37 |
50 |
33 |
0 |
0 |
| CDI |
0 |
1 |
0 |
35 |
120 |
179 |
41 |
12 |
| VCDI |
0 |
0 |
0 |
117 |
475 |
2497 |
10318 |
17671 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
130 |
138 |
34 |
6 |
0 |
0 |
0 |
| OW |
0 |
16 |
34 |
38 |
5 |
0 |
0 |
0 |
| VODI |
0 |
28 |
6 |
41 |
13 |
0 |
0 |
0 |
| ODI |
0 |
9 |
0 |
45 |
45 |
35 |
0 |
0 |
| CDI |
0 |
1 |
0 |
38 |
124 |
165 |
36 |
16 |
| VCDI |
0 |
0 |
0 |
110 |
470 |
2509 |
10323 |
17667 |
|
Date: 2017-05-08:
| 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 |
200 |
145 |
52 |
5 |
0 |
0 |
0 |
| OW |
0 |
22 |
16 |
43 |
3 |
0 |
0 |
0 |
| VODI |
0 |
12 |
12 |
120 |
28 |
4 |
0 |
0 |
| ODI |
0 |
5 |
0 |
76 |
67 |
42 |
5 |
0 |
| CDI |
0 |
0 |
0 |
116 |
225 |
227 |
83 |
16 |
| VCDI |
0 |
0 |
0 |
87 |
552 |
2491 |
10695 |
16733 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
181 |
81 |
24 |
3 |
0 |
0 |
0 |
| OW |
0 |
29 |
45 |
35 |
4 |
0 |
0 |
0 |
| VODI |
0 |
18 |
42 |
48 |
22 |
2 |
0 |
0 |
| ODI |
0 |
10 |
3 |
69 |
41 |
43 |
15 |
0 |
| CDI |
0 |
1 |
2 |
84 |
139 |
188 |
172 |
55 |
| VCDI |
0 |
0 |
0 |
234 |
671 |
2531 |
10596 |
16694 |
|
Date: 2017-05-10:
| 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 |
148 |
131 |
52 |
2 |
0 |
0 |
0 |
| OW |
0 |
16 |
25 |
59 |
5 |
0 |
0 |
0 |
| VODI |
0 |
14 |
7 |
90 |
36 |
2 |
0 |
0 |
| ODI |
0 |
10 |
2 |
51 |
56 |
28 |
4 |
0 |
| CDI |
0 |
0 |
0 |
96 |
124 |
220 |
107 |
6 |
| VCDI |
0 |
0 |
0 |
148 |
504 |
2007 |
10913 |
17219 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
146 |
77 |
17 |
1 |
0 |
0 |
0 |
| OW |
0 |
17 |
68 |
51 |
6 |
0 |
0 |
0 |
| VODI |
0 |
15 |
18 |
58 |
26 |
1 |
0 |
0 |
| ODI |
0 |
9 |
2 |
60 |
33 |
49 |
22 |
3 |
| CDI |
0 |
1 |
0 |
63 |
76 |
197 |
244 |
66 |
| VCDI |
0 |
0 |
0 |
247 |
585 |
2010 |
10758 |
17156 |
|
Date: 2017-05-12:
| 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 |
109 |
103 |
31 |
1 |
0 |
0 |
0 |
| OW |
0 |
1 |
18 |
44 |
8 |
0 |
0 |
0 |
| VODI |
0 |
8 |
34 |
124 |
47 |
1 |
0 |
0 |
| ODI |
0 |
2 |
0 |
77 |
80 |
13 |
7 |
0 |
| CDI |
0 |
2 |
0 |
125 |
101 |
198 |
121 |
0 |
| VCDI |
0 |
0 |
0 |
126 |
366 |
1692 |
12091 |
16552 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
102 |
71 |
16 |
1 |
0 |
0 |
0 |
| OW |
0 |
10 |
59 |
43 |
6 |
0 |
0 |
0 |
| VODI |
0 |
8 |
25 |
75 |
23 |
2 |
0 |
0 |
| ODI |
0 |
2 |
0 |
63 |
42 |
36 |
27 |
2 |
| CDI |
0 |
0 |
0 |
87 |
77 |
166 |
327 |
59 |
| VCDI |
0 |
0 |
0 |
243 |
454 |
1700 |
11865 |
16491 |
|
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