Validation of sea ice concentration - Asian sector
Bulletin date: 2020-12-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-12-18:
| 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 |
37 |
1852 |
43 |
130 |
19 |
0 |
0 |
0 |
| OW |
0 |
163 |
12 |
146 |
57 |
4 |
0 |
0 |
| VODI |
0 |
37 |
21 |
117 |
156 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
87 |
252 |
11 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
233 |
86 |
31 |
2 |
| VCDI |
0 |
0 |
0 |
55 |
398 |
2687 |
7917 |
17507 |
|
...date precedes bulletin
|
Date: 2020-12-20:
| 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 |
1480 |
38 |
164 |
27 |
0 |
0 |
0 |
| OW |
0 |
79 |
12 |
114 |
87 |
1 |
0 |
0 |
| VODI |
0 |
20 |
15 |
156 |
180 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
32 |
269 |
35 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
307 |
157 |
22 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
217 |
2599 |
9016 |
17045 |
|
...date precedes bulletin
|
Date: 2020-12-22:
| 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 |
1282 |
47 |
211 |
23 |
0 |
0 |
0 |
| OW |
0 |
22 |
6 |
87 |
69 |
0 |
0 |
0 |
| VODI |
0 |
10 |
4 |
105 |
135 |
0 |
0 |
0 |
| ODI |
0 |
3 |
0 |
61 |
215 |
5 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
302 |
190 |
26 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
104 |
2927 |
8863 |
17374 |
|
...date precedes bulletin
|
Date: 2020-12-24:
| 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 |
1010 |
37 |
176 |
107 |
0 |
0 |
0 |
| OW |
0 |
29 |
8 |
102 |
83 |
9 |
0 |
0 |
| VODI |
0 |
17 |
3 |
49 |
125 |
15 |
0 |
0 |
| ODI |
0 |
10 |
2 |
25 |
146 |
19 |
0 |
0 |
| CDI |
0 |
6 |
0 |
19 |
260 |
80 |
23 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
185 |
1831 |
6672 |
21022 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1011 |
39 |
191 |
125 |
0 |
0 |
0 |
| OW |
0 |
25 |
6 |
91 |
73 |
10 |
0 |
0 |
| VODI |
0 |
17 |
2 |
49 |
119 |
15 |
0 |
0 |
| ODI |
0 |
10 |
3 |
17 |
181 |
17 |
0 |
0 |
| CDI |
0 |
9 |
0 |
18 |
254 |
92 |
23 |
11 |
| VCDI |
0 |
0 |
0 |
5 |
154 |
1820 |
6672 |
21023 |
|
Date: 2020-12-26:
| 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 |
800 |
39 |
138 |
154 |
32 |
0 |
0 |
| OW |
0 |
40 |
6 |
76 |
53 |
40 |
0 |
0 |
| VODI |
0 |
24 |
2 |
51 |
109 |
57 |
0 |
0 |
| ODI |
0 |
15 |
1 |
26 |
91 |
59 |
0 |
0 |
| CDI |
0 |
15 |
0 |
31 |
136 |
128 |
12 |
0 |
| VCDI |
0 |
2 |
0 |
10 |
228 |
1087 |
5850 |
22770 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
801 |
37 |
145 |
160 |
40 |
0 |
0 |
| OW |
0 |
38 |
9 |
73 |
61 |
35 |
0 |
0 |
| VODI |
0 |
21 |
1 |
48 |
115 |
55 |
0 |
0 |
| ODI |
0 |
18 |
1 |
31 |
84 |
62 |
0 |
0 |
| CDI |
0 |
15 |
0 |
26 |
172 |
133 |
12 |
4 |
| VCDI |
0 |
3 |
0 |
9 |
179 |
1078 |
5850 |
22766 |
|
Date: 2020-12-28:
| 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 |
713 |
33 |
150 |
90 |
0 |
0 |
0 |
| OW |
0 |
36 |
11 |
90 |
56 |
2 |
0 |
0 |
| VODI |
0 |
20 |
3 |
107 |
147 |
10 |
0 |
0 |
| ODI |
0 |
12 |
1 |
17 |
154 |
39 |
0 |
0 |
| CDI |
0 |
6 |
1 |
18 |
167 |
235 |
30 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
119 |
805 |
6306 |
22699 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
691 |
38 |
182 |
139 |
0 |
0 |
0 |
| OW |
0 |
42 |
6 |
107 |
86 |
13 |
0 |
0 |
| VODI |
0 |
21 |
3 |
51 |
124 |
32 |
0 |
0 |
| ODI |
0 |
17 |
1 |
18 |
108 |
65 |
0 |
0 |
| CDI |
0 |
12 |
0 |
13 |
145 |
107 |
25 |
11 |
| VCDI |
0 |
4 |
1 |
11 |
131 |
874 |
6311 |
22693 |
|
Date: 2020-12-30:
| 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 |
535 |
21 |
153 |
144 |
3 |
0 |
0 |
| OW |
0 |
28 |
11 |
74 |
71 |
18 |
0 |
0 |
| VODI |
0 |
22 |
1 |
75 |
88 |
31 |
0 |
0 |
| ODI |
0 |
14 |
2 |
29 |
136 |
50 |
0 |
0 |
| CDI |
0 |
4 |
1 |
32 |
125 |
144 |
29 |
4 |
| VCDI |
0 |
0 |
0 |
14 |
170 |
1210 |
5404 |
23439 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
509 |
22 |
172 |
179 |
28 |
0 |
0 |
| OW |
0 |
45 |
10 |
52 |
105 |
27 |
0 |
0 |
| VODI |
0 |
28 |
1 |
80 |
89 |
82 |
1 |
0 |
| ODI |
0 |
13 |
1 |
32 |
86 |
91 |
8 |
0 |
| CDI |
0 |
8 |
2 |
28 |
137 |
161 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
138 |
1067 |
5363 |
23443 |
|
Date: 2021-01-01:
| 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 |
4 |
459 |
18 |
109 |
114 |
78 |
0 |
0 |
| OW |
0 |
72 |
6 |
48 |
52 |
59 |
0 |
0 |
| VODI |
0 |
86 |
3 |
29 |
85 |
63 |
0 |
0 |
| ODI |
0 |
51 |
4 |
28 |
72 |
77 |
0 |
0 |
| CDI |
0 |
40 |
3 |
34 |
52 |
228 |
23 |
8 |
| VCDI |
0 |
46 |
8 |
118 |
351 |
1056 |
5818 |
22780 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4 |
427 |
23 |
139 |
146 |
122 |
0 |
0 |
| OW |
0 |
69 |
1 |
32 |
90 |
75 |
0 |
0 |
| VODI |
0 |
77 |
0 |
9 |
66 |
120 |
1 |
0 |
| ODI |
0 |
75 |
6 |
22 |
32 |
121 |
17 |
0 |
| CDI |
0 |
62 |
4 |
41 |
53 |
177 |
126 |
15 |
| VCDI |
0 |
44 |
8 |
123 |
339 |
946 |
5697 |
22773 |
|
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