Validation of sea ice concentration - Asian sector
Bulletin date: 2019-04-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2019-04-12:
| 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 |
125 |
13 |
36 |
14 |
0 |
0 |
0 |
| OW |
0 |
27 |
4 |
84 |
41 |
2 |
0 |
0 |
| VODI |
0 |
30 |
6 |
90 |
94 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
22 |
143 |
63 |
11 |
0 |
| CDI |
0 |
0 |
0 |
11 |
49 |
137 |
175 |
43 |
| VCDI |
0 |
0 |
0 |
1 |
42 |
566 |
8678 |
21561 |
|
...date precedes bulletin
|
Date: 2019-04-14:
| 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 |
99 |
10 |
34 |
18 |
0 |
0 |
0 |
| OW |
0 |
13 |
5 |
47 |
36 |
7 |
0 |
0 |
| VODI |
0 |
2 |
1 |
15 |
145 |
16 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
119 |
78 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
34 |
164 |
158 |
35 |
| VCDI |
0 |
0 |
0 |
0 |
32 |
262 |
4958 |
25790 |
|
...date precedes bulletin
|
Date: 2019-04-16:
| 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 |
99 |
8 |
26 |
19 |
1 |
0 |
0 |
| OW |
0 |
11 |
5 |
33 |
25 |
4 |
0 |
0 |
| VODI |
0 |
2 |
1 |
23 |
73 |
16 |
0 |
0 |
| ODI |
0 |
0 |
0 |
2 |
117 |
84 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
32 |
235 |
63 |
37 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
681 |
8642 |
21835 |
|
...date precedes bulletin
|
Date: 2019-04-18:
| 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 |
164 |
8 |
24 |
3 |
0 |
0 |
0 |
| OW |
0 |
26 |
6 |
39 |
10 |
0 |
0 |
0 |
| VODI |
0 |
6 |
3 |
58 |
63 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
16 |
136 |
22 |
6 |
10 |
| CDI |
0 |
0 |
0 |
10 |
75 |
161 |
92 |
43 |
| VCDI |
0 |
0 |
0 |
0 |
120 |
914 |
8954 |
21113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
168 |
6 |
26 |
1 |
0 |
0 |
0 |
| OW |
0 |
22 |
8 |
32 |
10 |
0 |
0 |
0 |
| VODI |
0 |
6 |
3 |
57 |
91 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
21 |
98 |
31 |
9 |
17 |
| CDI |
0 |
0 |
0 |
11 |
83 |
147 |
84 |
37 |
| VCDI |
0 |
0 |
0 |
0 |
124 |
919 |
8959 |
21112 |
|
Date: 2019-04-20:
| 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 |
190 |
3 |
17 |
1 |
0 |
0 |
0 |
| OW |
0 |
44 |
10 |
29 |
9 |
0 |
0 |
0 |
| VODI |
0 |
8 |
5 |
76 |
75 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
27 |
112 |
15 |
3 |
0 |
| CDI |
0 |
0 |
0 |
7 |
97 |
105 |
105 |
62 |
| VCDI |
0 |
0 |
0 |
0 |
85 |
605 |
6917 |
23474 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
193 |
4 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
35 |
8 |
30 |
5 |
0 |
0 |
0 |
| VODI |
0 |
12 |
5 |
67 |
85 |
0 |
0 |
0 |
| ODI |
0 |
2 |
2 |
24 |
108 |
16 |
13 |
0 |
| CDI |
0 |
0 |
0 |
17 |
80 |
99 |
81 |
66 |
| VCDI |
0 |
0 |
0 |
0 |
101 |
610 |
6931 |
23470 |
|
Date: 2019-04-22:
| 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 |
191 |
3 |
36 |
1 |
0 |
0 |
0 |
| OW |
0 |
19 |
10 |
91 |
18 |
0 |
0 |
0 |
| VODI |
0 |
10 |
5 |
135 |
125 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
18 |
134 |
27 |
15 |
0 |
| CDI |
0 |
0 |
0 |
0 |
80 |
216 |
109 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
136 |
1608 |
9755 |
19325 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
178 |
3 |
40 |
0 |
0 |
0 |
0 |
| OW |
0 |
25 |
5 |
81 |
15 |
0 |
0 |
0 |
| VODI |
0 |
17 |
10 |
70 |
73 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
66 |
95 |
32 |
24 |
16 |
| CDI |
0 |
0 |
0 |
23 |
90 |
190 |
115 |
48 |
| VCDI |
0 |
0 |
0 |
0 |
221 |
1629 |
9740 |
19276 |
|
Date: 2019-04-24:
| 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 |
157 |
7 |
39 |
6 |
0 |
0 |
0 |
| OW |
0 |
11 |
6 |
62 |
60 |
0 |
0 |
0 |
| VODI |
0 |
2 |
1 |
54 |
137 |
58 |
12 |
0 |
| ODI |
0 |
0 |
0 |
22 |
88 |
146 |
50 |
5 |
| CDI |
0 |
0 |
0 |
5 |
140 |
309 |
283 |
26 |
| VCDI |
0 |
0 |
0 |
0 |
299 |
2042 |
12923 |
15132 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
143 |
4 |
22 |
6 |
0 |
0 |
0 |
| OW |
0 |
18 |
7 |
58 |
23 |
0 |
0 |
0 |
| VODI |
0 |
9 |
3 |
35 |
103 |
34 |
2 |
0 |
| ODI |
0 |
0 |
0 |
48 |
60 |
117 |
39 |
6 |
| CDI |
0 |
0 |
0 |
15 |
137 |
272 |
194 |
77 |
| VCDI |
0 |
0 |
0 |
4 |
401 |
2132 |
13033 |
15080 |
|
Date: 2019-04-26:
| 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 |
119 |
6 |
38 |
11 |
0 |
0 |
0 |
| OW |
0 |
12 |
3 |
46 |
51 |
1 |
0 |
0 |
| VODI |
0 |
3 |
0 |
24 |
170 |
49 |
0 |
0 |
| ODI |
0 |
0 |
0 |
7 |
79 |
143 |
37 |
0 |
| CDI |
0 |
0 |
0 |
8 |
114 |
297 |
338 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
142 |
1444 |
11406 |
17520 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
101 |
2 |
28 |
8 |
0 |
0 |
0 |
| OW |
0 |
27 |
6 |
26 |
11 |
0 |
0 |
0 |
| VODI |
0 |
6 |
1 |
46 |
119 |
24 |
15 |
0 |
| ODI |
0 |
0 |
0 |
11 |
81 |
123 |
40 |
16 |
| CDI |
0 |
0 |
0 |
1 |
145 |
280 |
256 |
146 |
| VCDI |
0 |
0 |
0 |
11 |
203 |
1507 |
11470 |
17372 |
|
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