Validation of sea ice concentration - Asian sector
Bulletin date: 2024-11-21
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-11-17:
| 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 |
426 |
2151 |
73 |
75 |
25 |
0 |
0 |
0 |
| OW |
0 |
148 |
79 |
117 |
51 |
0 |
0 |
0 |
| VODI |
0 |
40 |
36 |
212 |
217 |
6 |
0 |
0 |
| ODI |
0 |
4 |
9 |
107 |
272 |
25 |
0 |
0 |
| CDI |
0 |
2 |
4 |
16 |
234 |
381 |
51 |
0 |
| VCDI |
0 |
1 |
10 |
29 |
136 |
1448 |
8815 |
16882 |
|
...date precedes bulletin
|
Date: 2024-11-19:
| 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 |
83 |
1891 |
88 |
110 |
70 |
29 |
0 |
0 |
| OW |
0 |
51 |
46 |
92 |
98 |
18 |
0 |
0 |
| VODI |
0 |
17 |
27 |
165 |
149 |
9 |
0 |
0 |
| ODI |
0 |
5 |
16 |
83 |
230 |
113 |
0 |
0 |
| CDI |
0 |
0 |
1 |
36 |
225 |
568 |
207 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
165 |
1561 |
10657 |
15265 |
|
...date precedes bulletin
|
Date: 2024-11-21:
| 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 |
21 |
1656 |
93 |
72 |
14 |
3 |
0 |
0 |
| OW |
0 |
90 |
45 |
152 |
120 |
65 |
0 |
0 |
| VODI |
0 |
23 |
22 |
90 |
102 |
36 |
2 |
0 |
| ODI |
0 |
11 |
7 |
50 |
163 |
109 |
13 |
0 |
| CDI |
0 |
1 |
0 |
10 |
121 |
491 |
167 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
40 |
1020 |
13810 |
13462 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21 |
1655 |
92 |
87 |
28 |
9 |
0 |
0 |
| OW |
0 |
89 |
48 |
142 |
77 |
20 |
0 |
0 |
| VODI |
0 |
26 |
21 |
90 |
142 |
74 |
0 |
0 |
| ODI |
0 |
10 |
6 |
45 |
161 |
132 |
8 |
0 |
| CDI |
0 |
1 |
0 |
11 |
114 |
509 |
177 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
38 |
980 |
13807 |
13461 |
|
Date: 2024-11-23:
| 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 |
33 |
1660 |
35 |
22 |
2 |
0 |
0 |
0 |
| OW |
0 |
198 |
71 |
120 |
69 |
19 |
0 |
0 |
| VODI |
0 |
81 |
42 |
87 |
90 |
52 |
4 |
0 |
| ODI |
0 |
41 |
13 |
50 |
69 |
82 |
22 |
0 |
| CDI |
0 |
6 |
4 |
27 |
123 |
458 |
127 |
19 |
| VCDI |
0 |
0 |
0 |
3 |
23 |
854 |
10699 |
16877 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
33 |
1692 |
43 |
26 |
4 |
0 |
0 |
0 |
| OW |
0 |
175 |
66 |
110 |
53 |
9 |
0 |
0 |
| VODI |
0 |
82 |
41 |
94 |
113 |
68 |
4 |
0 |
| ODI |
0 |
33 |
10 |
48 |
73 |
91 |
15 |
0 |
| CDI |
0 |
4 |
5 |
31 |
112 |
468 |
159 |
18 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
829 |
10674 |
16878 |
|
Date: 2024-11-25:
| 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 |
59 |
1810 |
13 |
0 |
0 |
0 |
0 |
0 |
| OW |
10 |
370 |
47 |
51 |
4 |
0 |
0 |
0 |
| VODI |
1 |
86 |
58 |
142 |
70 |
1 |
0 |
0 |
| ODI |
0 |
10 |
13 |
57 |
201 |
64 |
0 |
0 |
| CDI |
0 |
6 |
6 |
23 |
159 |
945 |
60 |
0 |
| VCDI |
0 |
5 |
4 |
5 |
92 |
1671 |
11448 |
14591 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59 |
1784 |
31 |
34 |
12 |
0 |
0 |
0 |
| OW |
11 |
259 |
40 |
88 |
65 |
5 |
0 |
0 |
| VODI |
0 |
143 |
30 |
57 |
121 |
56 |
0 |
0 |
| ODI |
0 |
73 |
12 |
33 |
49 |
61 |
0 |
0 |
| CDI |
0 |
21 |
23 |
58 |
155 |
447 |
33 |
0 |
| VCDI |
0 |
7 |
5 |
8 |
124 |
2112 |
11475 |
14591 |
|
Date: 2024-11-27:
| 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 |
1681 |
34 |
20 |
1 |
0 |
0 |
0 |
| OW |
0 |
262 |
87 |
86 |
29 |
0 |
0 |
0 |
| VODI |
0 |
28 |
41 |
159 |
114 |
12 |
0 |
0 |
| ODI |
0 |
9 |
9 |
44 |
211 |
152 |
0 |
0 |
| CDI |
0 |
3 |
2 |
27 |
127 |
804 |
234 |
15 |
| VCDI |
0 |
11 |
0 |
11 |
112 |
1893 |
11491 |
14372 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1648 |
47 |
53 |
22 |
1 |
0 |
0 |
| OW |
0 |
219 |
61 |
110 |
89 |
19 |
0 |
0 |
| VODI |
0 |
89 |
30 |
81 |
147 |
122 |
3 |
0 |
| ODI |
0 |
21 |
23 |
34 |
89 |
158 |
11 |
0 |
| CDI |
0 |
6 |
12 |
53 |
106 |
561 |
161 |
11 |
| VCDI |
0 |
11 |
0 |
16 |
141 |
2000 |
11550 |
14376 |
|
Date: 2024-11-29:
| 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 |
1601 |
26 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
238 |
69 |
102 |
4 |
0 |
0 |
0 |
| VODI |
0 |
44 |
43 |
135 |
92 |
4 |
0 |
0 |
| ODI |
0 |
9 |
10 |
63 |
181 |
90 |
5 |
0 |
| CDI |
0 |
2 |
4 |
25 |
149 |
589 |
263 |
3 |
| VCDI |
0 |
2 |
4 |
18 |
113 |
1640 |
11682 |
14863 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1517 |
33 |
31 |
5 |
0 |
0 |
0 |
| OW |
0 |
282 |
61 |
107 |
65 |
8 |
0 |
0 |
| VODI |
0 |
74 |
37 |
112 |
160 |
43 |
0 |
0 |
| ODI |
0 |
18 |
15 |
57 |
114 |
157 |
11 |
0 |
| CDI |
0 |
2 |
6 |
36 |
112 |
526 |
227 |
4 |
| VCDI |
0 |
3 |
4 |
9 |
83 |
1589 |
11712 |
14862 |
|
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