Validation of sea ice concentration - Asian sector
Bulletin date: 2023-12-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: :
| 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 |
472 |
35 |
116 |
79 |
0 |
0 |
0 |
| OW |
0 |
242 |
25 |
60 |
125 |
4 |
0 |
0 |
| VODI |
0 |
155 |
72 |
189 |
83 |
58 |
0 |
0 |
| ODI |
0 |
48 |
32 |
141 |
88 |
72 |
0 |
0 |
| CDI |
0 |
14 |
12 |
115 |
145 |
155 |
5 |
5 |
| VCDI |
0 |
12 |
16 |
90 |
374 |
1771 |
5734 |
21532 |
|
...date precedes bulletin
|
Date: :
| 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 |
2 |
383 |
3 |
19 |
32 |
45 |
0 |
0 |
| OW |
0 |
124 |
31 |
125 |
84 |
45 |
0 |
0 |
| VODI |
0 |
145 |
137 |
131 |
111 |
88 |
0 |
0 |
| ODI |
0 |
21 |
36 |
231 |
125 |
108 |
10 |
0 |
| CDI |
0 |
12 |
4 |
164 |
188 |
109 |
69 |
21 |
| VCDI |
0 |
5 |
14 |
94 |
372 |
1983 |
5745 |
21266 |
|
...date precedes bulletin
|
Date: :
| 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 |
438 |
43 |
38 |
0 |
0 |
0 |
0 |
| OW |
0 |
112 |
36 |
149 |
27 |
0 |
0 |
0 |
| VODI |
0 |
29 |
59 |
412 |
118 |
14 |
0 |
0 |
| ODI |
0 |
3 |
4 |
132 |
249 |
95 |
1 |
0 |
| CDI |
0 |
0 |
5 |
27 |
331 |
389 |
66 |
1 |
| VCDI |
0 |
0 |
1 |
64 |
445 |
1977 |
6443 |
20374 |
|
...date precedes bulletin
|
Date: :
| 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 |
7 |
360 |
26 |
35 |
0 |
0 |
0 |
0 |
| OW |
0 |
28 |
19 |
99 |
25 |
0 |
0 |
0 |
| VODI |
0 |
91 |
34 |
268 |
183 |
0 |
0 |
0 |
| ODI |
0 |
9 |
16 |
222 |
320 |
52 |
2 |
0 |
| CDI |
0 |
0 |
3 |
33 |
301 |
436 |
63 |
15 |
| VCDI |
0 |
0 |
0 |
77 |
207 |
1615 |
6608 |
20928 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7 |
358 |
26 |
49 |
2 |
0 |
0 |
0 |
| OW |
0 |
27 |
20 |
95 |
22 |
0 |
0 |
0 |
| VODI |
0 |
87 |
27 |
267 |
207 |
3 |
0 |
0 |
| ODI |
0 |
16 |
20 |
199 |
268 |
69 |
3 |
0 |
| CDI |
0 |
0 |
5 |
47 |
282 |
362 |
50 |
19 |
| VCDI |
0 |
0 |
0 |
77 |
255 |
1669 |
6620 |
20924 |
|
Date: :
| 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 |
3 |
300 |
33 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
12 |
8 |
55 |
30 |
0 |
0 |
0 |
| VODI |
0 |
23 |
9 |
192 |
126 |
0 |
0 |
0 |
| ODI |
0 |
27 |
34 |
230 |
340 |
92 |
2 |
0 |
| CDI |
0 |
0 |
1 |
52 |
267 |
379 |
121 |
98 |
| VCDI |
0 |
0 |
0 |
33 |
187 |
1471 |
6608 |
21318 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3 |
303 |
35 |
35 |
3 |
0 |
0 |
0 |
| OW |
0 |
10 |
10 |
68 |
35 |
0 |
0 |
0 |
| VODI |
0 |
20 |
7 |
155 |
161 |
14 |
0 |
0 |
| ODI |
0 |
29 |
31 |
226 |
222 |
119 |
4 |
0 |
| CDI |
0 |
0 |
2 |
83 |
309 |
267 |
127 |
95 |
| VCDI |
0 |
0 |
0 |
26 |
220 |
1542 |
6600 |
21321 |
|
Date: :
| 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 |
262 |
27 |
30 |
0 |
0 |
0 |
0 |
| OW |
0 |
2 |
6 |
53 |
6 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
136 |
48 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
96 |
507 |
24 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
345 |
581 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
717 |
5742 |
23427 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
262 |
27 |
46 |
1 |
0 |
0 |
0 |
| OW |
0 |
2 |
6 |
26 |
16 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
79 |
148 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
63 |
288 |
91 |
0 |
0 |
| CDI |
0 |
0 |
0 |
89 |
292 |
292 |
102 |
1 |
| VCDI |
0 |
0 |
0 |
23 |
189 |
937 |
5674 |
23426 |
|
Date: :
| 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 |
9 |
301 |
5 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
7 |
17 |
0 |
0 |
0 |
0 |
| VODI |
0 |
27 |
15 |
73 |
24 |
2 |
0 |
0 |
| ODI |
0 |
15 |
20 |
78 |
322 |
26 |
1 |
0 |
| CDI |
0 |
32 |
13 |
59 |
538 |
154 |
34 |
0 |
| VCDI |
0 |
11 |
13 |
80 |
272 |
813 |
5158 |
23916 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9 |
291 |
5 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
31 |
2 |
10 |
0 |
0 |
0 |
0 |
| VODI |
0 |
21 |
7 |
45 |
31 |
0 |
0 |
0 |
| ODI |
0 |
20 |
9 |
89 |
286 |
18 |
0 |
0 |
| CDI |
0 |
8 |
14 |
37 |
319 |
99 |
24 |
0 |
| VCDI |
0 |
54 |
36 |
125 |
520 |
878 |
5169 |
23916 |
|
Date: :
| 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 |
287 |
6 |
4 |
1 |
0 |
0 |
0 |
| OW |
0 |
39 |
2 |
14 |
1 |
0 |
0 |
0 |
| VODI |
0 |
51 |
3 |
28 |
17 |
0 |
0 |
0 |
| ODI |
0 |
27 |
18 |
40 |
215 |
44 |
0 |
0 |
| CDI |
0 |
26 |
8 |
39 |
278 |
278 |
35 |
14 |
| VCDI |
0 |
28 |
35 |
124 |
245 |
1034 |
4906 |
24229 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6 |
251 |
5 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
26 |
1 |
13 |
0 |
0 |
0 |
0 |
| VODI |
0 |
30 |
2 |
23 |
1 |
0 |
0 |
0 |
| ODI |
0 |
24 |
1 |
30 |
69 |
5 |
1 |
0 |
| CDI |
0 |
31 |
2 |
17 |
285 |
85 |
24 |
58 |
| VCDI |
0 |
96 |
61 |
166 |
402 |
1266 |
4916 |
24185 |
|
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