Validation of sea ice concentration - Asian sector
Bulletin date: 2022-12-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-02:
| 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 |
6 |
1846 |
24 |
72 |
80 |
0 |
0 |
0 |
| OW |
0 |
108 |
16 |
79 |
29 |
0 |
0 |
0 |
| VODI |
0 |
71 |
7 |
78 |
79 |
10 |
0 |
0 |
| ODI |
0 |
24 |
4 |
59 |
139 |
39 |
0 |
0 |
| CDI |
0 |
16 |
2 |
44 |
129 |
188 |
59 |
8 |
| VCDI |
0 |
13 |
2 |
62 |
215 |
1080 |
8253 |
19241 |
|
...date precedes bulletin
|
Date: 2022-12-04:
| 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 |
1 |
1820 |
19 |
113 |
88 |
0 |
0 |
0 |
| OW |
0 |
150 |
15 |
67 |
41 |
0 |
0 |
0 |
| VODI |
0 |
93 |
18 |
140 |
67 |
7 |
0 |
0 |
| ODI |
0 |
46 |
8 |
72 |
130 |
26 |
0 |
0 |
| CDI |
0 |
29 |
2 |
60 |
181 |
59 |
81 |
22 |
| VCDI |
0 |
14 |
6 |
112 |
242 |
1295 |
7509 |
19549 |
|
...date precedes bulletin
|
Date: 2022-12-06:
| 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 |
22 |
1855 |
31 |
205 |
44 |
0 |
0 |
0 |
| OW |
0 |
106 |
13 |
116 |
61 |
0 |
0 |
0 |
| VODI |
0 |
68 |
8 |
141 |
139 |
0 |
0 |
0 |
| ODI |
0 |
25 |
11 |
57 |
166 |
35 |
0 |
0 |
| CDI |
0 |
0 |
0 |
71 |
90 |
142 |
3 |
30 |
| VCDI |
0 |
0 |
0 |
19 |
179 |
1291 |
7190 |
19964 |
|
...date precedes bulletin
|
Date: 2022-12-08:
| 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 |
1564 |
35 |
123 |
58 |
0 |
0 |
0 |
| OW |
0 |
33 |
10 |
117 |
43 |
0 |
0 |
0 |
| VODI |
0 |
12 |
5 |
108 |
75 |
0 |
0 |
0 |
| ODI |
0 |
6 |
3 |
86 |
234 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
332 |
71 |
23 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
94 |
1451 |
6054 |
21501 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1565 |
34 |
149 |
54 |
0 |
0 |
0 |
| OW |
0 |
30 |
10 |
92 |
47 |
0 |
0 |
0 |
| VODI |
0 |
14 |
6 |
106 |
67 |
0 |
0 |
0 |
| ODI |
0 |
6 |
3 |
72 |
207 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
40 |
360 |
80 |
23 |
15 |
| VCDI |
0 |
0 |
0 |
3 |
101 |
1442 |
6054 |
21502 |
|
Date: 2022-12-10:
| 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 |
1191 |
41 |
167 |
66 |
16 |
0 |
0 |
| OW |
0 |
39 |
10 |
134 |
70 |
70 |
0 |
0 |
| VODI |
0 |
4 |
1 |
56 |
91 |
37 |
0 |
0 |
| ODI |
0 |
0 |
0 |
10 |
130 |
53 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
184 |
167 |
4 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
57 |
980 |
5141 |
23361 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1194 |
41 |
194 |
84 |
23 |
0 |
0 |
| OW |
0 |
36 |
10 |
105 |
55 |
58 |
0 |
0 |
| VODI |
0 |
4 |
1 |
56 |
86 |
38 |
0 |
0 |
| ODI |
0 |
0 |
0 |
12 |
130 |
62 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
171 |
196 |
2 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
72 |
946 |
5143 |
23362 |
|
Date: 2022-12-12:
| 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 |
1165 |
30 |
135 |
28 |
0 |
0 |
0 |
| OW |
0 |
91 |
14 |
125 |
48 |
0 |
0 |
0 |
| VODI |
0 |
40 |
7 |
161 |
191 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
78 |
272 |
5 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
331 |
45 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
184 |
947 |
5790 |
22374 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1118 |
26 |
174 |
77 |
0 |
0 |
0 |
| OW |
0 |
143 |
18 |
98 |
148 |
0 |
0 |
0 |
| VODI |
0 |
33 |
6 |
54 |
116 |
2 |
0 |
0 |
| ODI |
0 |
2 |
1 |
65 |
121 |
8 |
0 |
0 |
| CDI |
0 |
0 |
0 |
64 |
164 |
29 |
6 |
3 |
| VCDI |
0 |
0 |
0 |
55 |
428 |
958 |
5794 |
22371 |
|
Date: 2022-12-14:
| 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 |
1034 |
29 |
119 |
38 |
0 |
0 |
0 |
| OW |
0 |
122 |
10 |
88 |
52 |
0 |
0 |
0 |
| VODI |
0 |
24 |
16 |
129 |
134 |
19 |
0 |
0 |
| ODI |
0 |
0 |
0 |
51 |
108 |
136 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
143 |
172 |
20 |
38 |
| VCDI |
0 |
0 |
0 |
0 |
142 |
713 |
7213 |
21523 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
946 |
29 |
127 |
49 |
0 |
0 |
0 |
| OW |
0 |
133 |
11 |
76 |
77 |
0 |
0 |
0 |
| VODI |
0 |
82 |
6 |
110 |
104 |
90 |
0 |
0 |
| ODI |
0 |
18 |
6 |
32 |
66 |
60 |
1 |
0 |
| CDI |
0 |
1 |
3 |
37 |
60 |
128 |
27 |
65 |
| VCDI |
0 |
0 |
0 |
14 |
261 |
762 |
7205 |
21496 |
|
Date: 2022-12-16:
| 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 |
1139 |
21 |
81 |
0 |
0 |
0 |
0 |
| OW |
0 |
200 |
6 |
71 |
22 |
0 |
0 |
0 |
| VODI |
0 |
113 |
23 |
96 |
67 |
0 |
0 |
0 |
| ODI |
0 |
9 |
4 |
99 |
108 |
6 |
4 |
0 |
| CDI |
0 |
1 |
0 |
57 |
101 |
96 |
30 |
0 |
| VCDI |
0 |
0 |
0 |
36 |
330 |
1134 |
6173 |
22055 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
871 |
14 |
56 |
0 |
0 |
0 |
0 |
| OW |
0 |
174 |
11 |
51 |
8 |
0 |
0 |
0 |
| VODI |
0 |
170 |
4 |
75 |
57 |
0 |
0 |
0 |
| ODI |
0 |
131 |
11 |
68 |
99 |
2 |
0 |
0 |
| CDI |
0 |
67 |
6 |
50 |
89 |
33 |
9 |
55 |
| VCDI |
0 |
49 |
8 |
140 |
375 |
1201 |
6198 |
22000 |
|
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