Validation of sea ice concentration - Asian sector
Bulletin date: 2024-11-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-01:
| 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 |
3992 |
2185 |
10 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
418 |
83 |
132 |
35 |
2 |
0 |
0 |
| VODI |
0 |
130 |
81 |
178 |
68 |
16 |
0 |
0 |
| ODI |
0 |
26 |
16 |
166 |
270 |
84 |
21 |
0 |
| CDI |
0 |
3 |
6 |
170 |
487 |
724 |
244 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
308 |
5172 |
13503 |
3528 |
|
...date precedes bulletin
|
Date: 2024-11-03:
| 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 |
3960 |
2096 |
9 |
1 |
0 |
0 |
0 |
0 |
| OW |
1 |
388 |
45 |
100 |
39 |
0 |
0 |
0 |
| VODI |
0 |
172 |
91 |
229 |
102 |
14 |
0 |
0 |
| ODI |
0 |
18 |
30 |
136 |
275 |
93 |
5 |
0 |
| CDI |
0 |
0 |
6 |
157 |
526 |
570 |
128 |
0 |
| VCDI |
0 |
0 |
0 |
36 |
368 |
4253 |
13336 |
4898 |
|
...date precedes bulletin
|
Date: 2024-11-05:
| 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 |
2952 |
2367 |
73 |
110 |
7 |
0 |
0 |
0 |
| OW |
1 |
184 |
65 |
100 |
39 |
0 |
0 |
0 |
| VODI |
0 |
29 |
64 |
242 |
275 |
9 |
0 |
0 |
| ODI |
0 |
5 |
29 |
91 |
428 |
149 |
0 |
0 |
| CDI |
0 |
4 |
15 |
92 |
391 |
697 |
41 |
0 |
| VCDI |
0 |
8 |
7 |
100 |
522 |
5650 |
9703 |
7633 |
|
...date precedes bulletin
|
Date: 2024-11-07:
| 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 |
2746 |
2262 |
43 |
84 |
36 |
0 |
0 |
0 |
| OW |
1 |
188 |
70 |
116 |
92 |
2 |
0 |
0 |
| VODI |
0 |
65 |
56 |
165 |
165 |
65 |
0 |
0 |
| ODI |
0 |
2 |
11 |
122 |
240 |
161 |
3 |
0 |
| CDI |
0 |
0 |
8 |
22 |
309 |
920 |
43 |
0 |
| VCDI |
0 |
14 |
13 |
47 |
638 |
4903 |
9812 |
8658 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2746 |
2291 |
42 |
87 |
46 |
0 |
0 |
0 |
| OW |
1 |
177 |
74 |
107 |
97 |
2 |
0 |
0 |
| VODI |
0 |
46 |
52 |
174 |
157 |
71 |
0 |
0 |
| ODI |
0 |
3 |
11 |
113 |
251 |
164 |
3 |
0 |
| CDI |
0 |
0 |
10 |
27 |
303 |
884 |
44 |
0 |
| VCDI |
0 |
14 |
12 |
48 |
626 |
4930 |
9811 |
8658 |
|
Date: 2024-11-09:
| 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 |
2031 |
2549 |
60 |
61 |
52 |
0 |
0 |
0 |
| OW |
0 |
157 |
56 |
134 |
98 |
17 |
0 |
0 |
| VODI |
0 |
60 |
41 |
146 |
222 |
60 |
5 |
0 |
| ODI |
0 |
2 |
8 |
65 |
186 |
192 |
40 |
0 |
| CDI |
0 |
0 |
0 |
18 |
135 |
617 |
187 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
2610 |
9804 |
12459 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2031 |
2574 |
60 |
68 |
66 |
0 |
0 |
0 |
| OW |
0 |
144 |
65 |
129 |
99 |
33 |
0 |
0 |
| VODI |
0 |
47 |
32 |
143 |
241 |
71 |
6 |
0 |
| ODI |
0 |
3 |
8 |
63 |
146 |
201 |
40 |
0 |
| CDI |
0 |
0 |
0 |
21 |
131 |
573 |
244 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
2618 |
9746 |
12459 |
|
Date: 2024-11-11:
| 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 |
1495 |
2445 |
52 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
208 |
78 |
133 |
14 |
0 |
0 |
0 |
| VODI |
0 |
72 |
50 |
178 |
132 |
6 |
0 |
0 |
| ODI |
0 |
0 |
4 |
70 |
352 |
59 |
11 |
0 |
| CDI |
0 |
0 |
0 |
0 |
168 |
717 |
74 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
1093 |
10902 |
13730 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1495 |
2407 |
64 |
64 |
11 |
0 |
0 |
0 |
| OW |
0 |
226 |
74 |
173 |
61 |
16 |
0 |
0 |
| VODI |
0 |
76 |
32 |
121 |
289 |
113 |
0 |
0 |
| ODI |
0 |
16 |
14 |
25 |
177 |
239 |
33 |
0 |
| CDI |
0 |
0 |
0 |
32 |
119 |
481 |
192 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
1026 |
10762 |
13729 |
|
Date: 2024-11-13:
| 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 |
1275 |
2213 |
46 |
22 |
6 |
0 |
0 |
0 |
| OW |
0 |
349 |
89 |
67 |
4 |
0 |
0 |
0 |
| VODI |
0 |
92 |
66 |
204 |
70 |
7 |
0 |
0 |
| ODI |
0 |
12 |
17 |
144 |
163 |
50 |
4 |
0 |
| CDI |
0 |
0 |
2 |
26 |
287 |
461 |
224 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
30 |
879 |
10031 |
15240 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1275 |
2033 |
62 |
44 |
8 |
0 |
0 |
0 |
| OW |
0 |
518 |
95 |
94 |
37 |
5 |
0 |
0 |
| VODI |
0 |
100 |
55 |
241 |
150 |
87 |
0 |
0 |
| ODI |
0 |
12 |
3 |
67 |
189 |
257 |
34 |
0 |
| CDI |
0 |
3 |
4 |
14 |
148 |
278 |
301 |
0 |
| VCDI |
0 |
0 |
1 |
5 |
28 |
770 |
9924 |
15240 |
|
Date: 2024-11-15:
| 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 |
1054 |
2155 |
43 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
271 |
85 |
90 |
47 |
0 |
0 |
0 |
| VODI |
0 |
99 |
79 |
183 |
77 |
0 |
0 |
0 |
| ODI |
0 |
19 |
11 |
114 |
208 |
11 |
2 |
0 |
| CDI |
0 |
16 |
13 |
61 |
246 |
308 |
20 |
0 |
| VCDI |
0 |
2 |
5 |
20 |
108 |
1108 |
9172 |
16431 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1054 |
2222 |
69 |
40 |
8 |
0 |
0 |
0 |
| OW |
0 |
275 |
106 |
182 |
80 |
0 |
0 |
0 |
| VODI |
0 |
39 |
40 |
193 |
255 |
59 |
0 |
0 |
| ODI |
0 |
9 |
10 |
43 |
184 |
227 |
21 |
1 |
| CDI |
0 |
14 |
7 |
18 |
99 |
348 |
169 |
6 |
| VCDI |
0 |
3 |
4 |
16 |
60 |
793 |
9004 |
16424 |
|
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