Validation of sea ice concentration - Asian sector
Bulletin date: 2023-11-09
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-03:
| 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 |
1796 |
1629 |
5 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
214 |
58 |
40 |
14 |
0 |
0 |
0 |
| VODI |
0 |
38 |
55 |
143 |
93 |
54 |
3 |
0 |
| ODI |
0 |
1 |
12 |
123 |
148 |
249 |
81 |
0 |
| CDI |
0 |
0 |
0 |
60 |
465 |
367 |
219 |
7 |
| VCDI |
0 |
0 |
0 |
2 |
526 |
3977 |
7944 |
14771 |
|
...date precedes bulletin
|
Date: 2023-11-05:
| 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 |
780 |
2393 |
7 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
212 |
62 |
39 |
0 |
0 |
0 |
0 |
| VODI |
0 |
40 |
37 |
136 |
90 |
50 |
0 |
0 |
| ODI |
0 |
11 |
11 |
107 |
187 |
104 |
54 |
0 |
| CDI |
0 |
0 |
0 |
34 |
245 |
412 |
454 |
28 |
| VCDI |
0 |
0 |
0 |
0 |
241 |
4493 |
9372 |
13479 |
|
...date precedes bulletin
|
Date: 2023-11-07:
| 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 |
1572 |
1534 |
12 |
0 |
0 |
0 |
0 |
0 |
| OW |
1 |
249 |
66 |
63 |
0 |
0 |
0 |
0 |
| VODI |
0 |
19 |
34 |
186 |
37 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
49 |
194 |
28 |
0 |
4 |
| CDI |
0 |
0 |
0 |
10 |
131 |
291 |
99 |
47 |
| VCDI |
0 |
0 |
0 |
0 |
40 |
2508 |
10444 |
15478 |
|
...date precedes bulletin
|
Date: 2023-11-09:
| 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 |
1181 |
1634 |
54 |
36 |
7 |
0 |
0 |
0 |
| OW |
0 |
163 |
52 |
153 |
39 |
0 |
0 |
0 |
| VODI |
0 |
57 |
55 |
155 |
141 |
3 |
0 |
0 |
| ODI |
0 |
11 |
4 |
99 |
95 |
53 |
4 |
0 |
| CDI |
0 |
2 |
1 |
36 |
167 |
353 |
117 |
2 |
| VCDI |
0 |
0 |
0 |
11 |
97 |
2163 |
12906 |
13245 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1181 |
1638 |
49 |
48 |
4 |
0 |
0 |
0 |
| OW |
0 |
173 |
47 |
135 |
38 |
0 |
0 |
0 |
| VODI |
0 |
48 |
63 |
142 |
133 |
3 |
0 |
0 |
| ODI |
0 |
8 |
7 |
106 |
93 |
38 |
3 |
0 |
| CDI |
0 |
0 |
0 |
56 |
173 |
353 |
127 |
2 |
| VCDI |
0 |
0 |
0 |
3 |
105 |
2178 |
12897 |
13245 |
|
Date: 2023-11-11:
| 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 |
914 |
1642 |
18 |
13 |
0 |
0 |
0 |
0 |
| OW |
1 |
123 |
88 |
171 |
22 |
0 |
0 |
0 |
| VODI |
0 |
64 |
43 |
198 |
183 |
15 |
0 |
0 |
| ODI |
0 |
7 |
2 |
101 |
83 |
93 |
0 |
0 |
| CDI |
0 |
3 |
0 |
32 |
163 |
226 |
58 |
20 |
| VCDI |
0 |
1 |
0 |
13 |
99 |
1509 |
12467 |
14724 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
915 |
1647 |
24 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
121 |
76 |
151 |
15 |
0 |
0 |
0 |
| VODI |
0 |
61 |
46 |
183 |
182 |
7 |
0 |
0 |
| ODI |
0 |
10 |
5 |
116 |
69 |
100 |
0 |
0 |
| CDI |
0 |
1 |
0 |
53 |
189 |
222 |
88 |
15 |
| VCDI |
0 |
0 |
0 |
2 |
95 |
1514 |
12437 |
14729 |
|
Date: 2023-11-13:
| 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 |
417 |
2033 |
16 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
168 |
100 |
88 |
0 |
0 |
0 |
0 |
| VODI |
0 |
15 |
18 |
365 |
79 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
65 |
278 |
23 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
106 |
266 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
69 |
1095 |
12450 |
15427 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
417 |
1994 |
18 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
137 |
63 |
108 |
0 |
0 |
0 |
0 |
| VODI |
0 |
57 |
41 |
234 |
88 |
0 |
0 |
0 |
| ODI |
0 |
28 |
12 |
123 |
162 |
50 |
0 |
0 |
| CDI |
0 |
0 |
0 |
59 |
160 |
223 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
122 |
1111 |
12431 |
15427 |
|
Date: 2023-11-15:
| 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 |
158 |
2146 |
28 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
115 |
80 |
67 |
26 |
0 |
0 |
0 |
| VODI |
0 |
38 |
31 |
246 |
86 |
0 |
0 |
0 |
| ODI |
0 |
0 |
3 |
109 |
219 |
5 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
133 |
297 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
1371 |
11184 |
16678 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
158 |
2157 |
48 |
39 |
0 |
0 |
0 |
0 |
| OW |
0 |
69 |
54 |
104 |
25 |
0 |
0 |
0 |
| VODI |
0 |
41 |
27 |
176 |
121 |
0 |
0 |
0 |
| ODI |
0 |
32 |
12 |
107 |
159 |
40 |
0 |
0 |
| CDI |
0 |
0 |
1 |
32 |
158 |
251 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
1382 |
11196 |
16678 |
|
Date: 2023-11-17:
| 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 |
170 |
1907 |
25 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
126 |
79 |
86 |
0 |
0 |
0 |
0 |
| VODI |
0 |
8 |
8 |
169 |
75 |
0 |
0 |
0 |
| ODI |
0 |
4 |
4 |
28 |
193 |
25 |
2 |
0 |
| CDI |
0 |
0 |
0 |
8 |
164 |
344 |
29 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
1181 |
11058 |
17379 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
170 |
1945 |
66 |
32 |
0 |
0 |
0 |
0 |
| OW |
0 |
83 |
34 |
122 |
14 |
0 |
0 |
0 |
| VODI |
0 |
13 |
7 |
110 |
146 |
18 |
0 |
0 |
| ODI |
0 |
4 |
7 |
11 |
170 |
129 |
1 |
1 |
| CDI |
0 |
0 |
2 |
18 |
72 |
221 |
26 |
6 |
| VCDI |
0 |
0 |
0 |
10 |
36 |
1182 |
11062 |
17378 |
|
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