Validation of sea ice concentration - Asian sector
Bulletin date: 2024-11-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-08:
| 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 |
2667 |
2167 |
54 |
68 |
55 |
0 |
0 |
0 |
| OW |
1 |
173 |
67 |
111 |
90 |
4 |
0 |
0 |
| VODI |
0 |
58 |
51 |
181 |
176 |
74 |
0 |
0 |
| ODI |
0 |
3 |
8 |
83 |
191 |
203 |
11 |
0 |
| CDI |
0 |
0 |
0 |
30 |
205 |
823 |
87 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
164 |
3777 |
10016 |
10484 |
|
...date precedes bulletin
|
Date: 2024-11-10:
| 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 |
1698 |
2477 |
83 |
66 |
4 |
0 |
0 |
0 |
| OW |
0 |
226 |
61 |
165 |
122 |
24 |
0 |
0 |
| VODI |
0 |
79 |
20 |
117 |
186 |
104 |
0 |
0 |
| ODI |
0 |
9 |
11 |
54 |
213 |
230 |
44 |
0 |
| CDI |
0 |
0 |
0 |
17 |
117 |
514 |
248 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1593 |
10297 |
13302 |
|
...date precedes bulletin
|
Date: 2024-11-12:
| 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 |
1313 |
2357 |
55 |
26 |
0 |
0 |
0 |
0 |
| OW |
0 |
249 |
87 |
142 |
6 |
0 |
0 |
0 |
| VODI |
0 |
62 |
45 |
230 |
98 |
2 |
0 |
0 |
| ODI |
0 |
0 |
10 |
87 |
275 |
59 |
7 |
0 |
| CDI |
0 |
0 |
0 |
6 |
265 |
607 |
121 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
929 |
10834 |
14196 |
|
...date precedes bulletin
|
Date: 2024-11-14:
| 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 |
1243 |
2206 |
16 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
346 |
85 |
85 |
0 |
0 |
0 |
0 |
| VODI |
0 |
90 |
73 |
169 |
77 |
0 |
0 |
0 |
| ODI |
0 |
28 |
24 |
118 |
173 |
32 |
0 |
0 |
| CDI |
0 |
1 |
8 |
62 |
239 |
318 |
116 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
70 |
916 |
10769 |
14808 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1243 |
2263 |
31 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
292 |
75 |
93 |
0 |
0 |
0 |
0 |
| VODI |
0 |
88 |
70 |
154 |
89 |
5 |
0 |
0 |
| ODI |
0 |
26 |
22 |
115 |
161 |
29 |
0 |
0 |
| CDI |
0 |
2 |
7 |
53 |
233 |
282 |
137 |
0 |
| VCDI |
0 |
0 |
1 |
7 |
76 |
950 |
10748 |
14808 |
|
Date: 2024-11-16:
| 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 |
842 |
2054 |
75 |
30 |
0 |
0 |
0 |
0 |
| OW |
0 |
196 |
91 |
125 |
45 |
0 |
0 |
0 |
| VODI |
0 |
87 |
80 |
218 |
126 |
0 |
0 |
0 |
| ODI |
0 |
9 |
9 |
107 |
225 |
9 |
2 |
0 |
| CDI |
0 |
13 |
13 |
29 |
299 |
304 |
17 |
0 |
| VCDI |
0 |
6 |
6 |
34 |
128 |
1240 |
8897 |
16766 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
842 |
2081 |
92 |
50 |
4 |
0 |
0 |
0 |
| OW |
0 |
175 |
81 |
128 |
36 |
0 |
0 |
0 |
| VODI |
0 |
83 |
74 |
204 |
143 |
0 |
0 |
0 |
| ODI |
0 |
9 |
8 |
102 |
212 |
11 |
2 |
0 |
| CDI |
0 |
11 |
13 |
31 |
296 |
289 |
28 |
0 |
| VCDI |
0 |
6 |
6 |
28 |
132 |
1253 |
8886 |
16766 |
|
Date: 2024-11-18:
| 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 |
159 |
2080 |
75 |
104 |
69 |
0 |
0 |
0 |
| OW |
0 |
112 |
53 |
79 |
24 |
0 |
0 |
0 |
| VODI |
0 |
35 |
65 |
178 |
120 |
4 |
0 |
0 |
| ODI |
0 |
1 |
11 |
99 |
347 |
61 |
0 |
0 |
| CDI |
0 |
0 |
5 |
21 |
264 |
652 |
66 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
135 |
1582 |
10103 |
15565 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
159 |
2101 |
85 |
123 |
83 |
0 |
0 |
0 |
| OW |
0 |
101 |
76 |
133 |
54 |
0 |
0 |
0 |
| VODI |
0 |
24 |
27 |
138 |
205 |
18 |
0 |
0 |
| ODI |
0 |
1 |
7 |
53 |
276 |
90 |
4 |
0 |
| CDI |
0 |
1 |
5 |
14 |
174 |
400 |
72 |
0 |
| VCDI |
0 |
0 |
9 |
33 |
167 |
1791 |
10093 |
15565 |
|
Date: 2024-11-20:
| 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 |
41 |
1781 |
90 |
88 |
28 |
5 |
0 |
0 |
| OW |
0 |
80 |
40 |
97 |
97 |
90 |
0 |
0 |
| VODI |
0 |
21 |
23 |
98 |
114 |
37 |
0 |
0 |
| ODI |
0 |
3 |
11 |
92 |
186 |
102 |
0 |
0 |
| CDI |
0 |
1 |
4 |
43 |
127 |
577 |
172 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
156 |
1561 |
11833 |
14471 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
41 |
1806 |
94 |
110 |
97 |
55 |
0 |
0 |
| OW |
0 |
67 |
49 |
104 |
48 |
60 |
0 |
0 |
| VODI |
0 |
10 |
14 |
109 |
156 |
85 |
0 |
0 |
| ODI |
0 |
1 |
5 |
47 |
123 |
180 |
5 |
0 |
| CDI |
0 |
0 |
0 |
34 |
114 |
480 |
180 |
0 |
| VCDI |
0 |
2 |
6 |
27 |
170 |
1512 |
11820 |
14471 |
|
Date: 2024-11-22:
| 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 |
15 |
1624 |
58 |
43 |
15 |
3 |
0 |
0 |
| OW |
0 |
141 |
79 |
163 |
79 |
41 |
0 |
0 |
| VODI |
0 |
37 |
43 |
95 |
103 |
46 |
0 |
0 |
| ODI |
0 |
23 |
10 |
37 |
119 |
100 |
7 |
0 |
| CDI |
0 |
7 |
3 |
9 |
136 |
566 |
140 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
993 |
11788 |
15501 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15 |
1601 |
73 |
77 |
28 |
0 |
0 |
0 |
| OW |
0 |
152 |
81 |
135 |
91 |
59 |
0 |
0 |
| VODI |
0 |
47 |
24 |
102 |
132 |
57 |
0 |
0 |
| ODI |
0 |
32 |
15 |
19 |
99 |
139 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
82 |
336 |
86 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
63 |
1158 |
11849 |
15513 |
|
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