Validation of sea ice concentration - Asian sector
Bulletin date: 2017-04-06
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-03-31:
| 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 |
118 |
303 |
100 |
0 |
0 |
0 |
0 |
| OW |
0 |
1 |
42 |
135 |
14 |
0 |
0 |
0 |
| VODI |
0 |
2 |
19 |
191 |
183 |
1 |
0 |
0 |
| ODI |
0 |
1 |
25 |
111 |
176 |
91 |
95 |
1 |
| CDI |
0 |
0 |
1 |
39 |
121 |
307 |
235 |
30 |
| VCDI |
0 |
0 |
0 |
22 |
239 |
1913 |
11655 |
15911 |
|
...date precedes bulletin
|
Date: 2017-04-02:
| 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 |
81 |
183 |
63 |
3 |
0 |
0 |
0 |
| OW |
0 |
1 |
5 |
196 |
8 |
0 |
0 |
0 |
| VODI |
0 |
1 |
3 |
214 |
40 |
0 |
0 |
0 |
| ODI |
0 |
0 |
7 |
120 |
222 |
79 |
1 |
0 |
| CDI |
0 |
0 |
0 |
49 |
175 |
267 |
257 |
24 |
| VCDI |
0 |
0 |
0 |
47 |
219 |
2490 |
12205 |
15122 |
|
...date precedes bulletin
|
Date: 2017-04-04:
| 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 |
67 |
110 |
150 |
12 |
0 |
0 |
0 |
| OW |
0 |
2 |
2 |
42 |
52 |
0 |
0 |
0 |
| VODI |
0 |
1 |
0 |
40 |
282 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
30 |
200 |
54 |
4 |
0 |
| CDI |
0 |
0 |
0 |
17 |
109 |
394 |
230 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
1293 |
12314 |
16578 |
|
...date precedes bulletin
|
Date: 2017-04-06:
| 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 |
65 |
138 |
99 |
4 |
0 |
0 |
0 |
| OW |
0 |
1 |
0 |
48 |
5 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
34 |
35 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
21 |
135 |
140 |
3 |
0 |
| CDI |
0 |
0 |
0 |
14 |
166 |
170 |
156 |
46 |
| VCDI |
0 |
0 |
0 |
14 |
102 |
1218 |
9784 |
19678 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
65 |
138 |
108 |
4 |
0 |
0 |
0 |
| OW |
0 |
1 |
0 |
45 |
8 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
33 |
37 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
15 |
120 |
110 |
4 |
0 |
| CDI |
0 |
0 |
0 |
14 |
178 |
178 |
145 |
45 |
| VCDI |
0 |
0 |
0 |
15 |
100 |
1242 |
9794 |
19679 |
|
Date: 2017-04-08:
| 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 |
58 |
112 |
118 |
3 |
0 |
0 |
0 |
| OW |
0 |
1 |
2 |
43 |
6 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
34 |
18 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
12 |
61 |
36 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
70 |
225 |
92 |
54 |
| VCDI |
0 |
0 |
0 |
0 |
41 |
759 |
6205 |
24125 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
58 |
112 |
127 |
2 |
0 |
0 |
0 |
| OW |
0 |
1 |
2 |
43 |
8 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
25 |
32 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
67 |
31 |
3 |
0 |
| CDI |
0 |
0 |
0 |
10 |
48 |
241 |
115 |
70 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
747 |
6179 |
24109 |
|
Date: 2017-04-10:
| 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 |
81 |
185 |
56 |
0 |
0 |
0 |
0 |
| OW |
0 |
1 |
11 |
52 |
3 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
77 |
28 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
66 |
43 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
85 |
138 |
17 |
17 |
| VCDI |
0 |
0 |
0 |
0 |
96 |
954 |
5979 |
24147 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
79 |
178 |
45 |
0 |
0 |
0 |
0 |
| OW |
0 |
3 |
17 |
31 |
4 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
82 |
20 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
52 |
43 |
30 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
90 |
130 |
30 |
30 |
| VCDI |
0 |
0 |
0 |
0 |
121 |
978 |
5966 |
24134 |
|
Date: 2017-04-12:
| 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 |
204 |
101 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
13 |
20 |
20 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
30 |
66 |
3 |
0 |
0 |
0 |
| ODI |
0 |
0 |
9 |
75 |
47 |
14 |
0 |
0 |
| CDI |
0 |
0 |
0 |
39 |
101 |
103 |
81 |
7 |
| VCDI |
0 |
0 |
0 |
9 |
194 |
1441 |
9623 |
19868 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
187 |
84 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
22 |
20 |
11 |
0 |
0 |
0 |
0 |
| VODI |
0 |
8 |
22 |
34 |
1 |
0 |
0 |
0 |
| ODI |
0 |
0 |
25 |
85 |
23 |
12 |
1 |
0 |
| CDI |
0 |
0 |
9 |
37 |
87 |
96 |
51 |
13 |
| VCDI |
0 |
0 |
0 |
46 |
234 |
1450 |
9652 |
19862 |
|
Date: 2017-04-14:
| 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 |
79 |
188 |
25 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
19 |
24 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
4 |
60 |
3 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
106 |
26 |
12 |
1 |
0 |
| CDI |
0 |
0 |
0 |
30 |
101 |
38 |
34 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
89 |
1140 |
11123 |
18979 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
75 |
171 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
4 |
23 |
25 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
11 |
44 |
4 |
0 |
0 |
0 |
| ODI |
0 |
0 |
5 |
67 |
9 |
6 |
4 |
0 |
| CDI |
0 |
0 |
1 |
84 |
25 |
93 |
137 |
9 |
| VCDI |
0 |
0 |
0 |
15 |
181 |
1091 |
11017 |
18971 |
|
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