Validation of sea ice concentration - Asian sector
Bulletin date: 2020-11-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-11-20:
| 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 |
2005 |
2808 |
30 |
93 |
0 |
0 |
0 |
0 |
| OW |
0 |
560 |
14 |
128 |
50 |
0 |
0 |
0 |
| VODI |
0 |
177 |
16 |
129 |
143 |
1 |
0 |
0 |
| ODI |
0 |
87 |
4 |
93 |
224 |
116 |
40 |
0 |
| CDI |
0 |
69 |
3 |
57 |
256 |
710 |
279 |
8 |
| VCDI |
0 |
19 |
6 |
66 |
332 |
5552 |
11416 |
6591 |
|
...date precedes bulletin
|
Date: 2020-11-22:
| 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 |
1260 |
2822 |
32 |
104 |
15 |
0 |
0 |
0 |
| OW |
0 |
618 |
16 |
215 |
102 |
1 |
0 |
0 |
| VODI |
0 |
245 |
18 |
205 |
226 |
21 |
0 |
0 |
| ODI |
0 |
26 |
2 |
89 |
230 |
137 |
0 |
0 |
| CDI |
0 |
7 |
2 |
61 |
173 |
521 |
131 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
216 |
4241 |
9733 |
10592 |
|
...date precedes bulletin
|
Date: 2020-11-24:
| 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 |
1131 |
3338 |
31 |
131 |
34 |
0 |
0 |
0 |
| OW |
0 |
172 |
32 |
189 |
68 |
2 |
0 |
0 |
| VODI |
0 |
31 |
9 |
227 |
185 |
25 |
0 |
0 |
| ODI |
0 |
0 |
0 |
110 |
293 |
145 |
5 |
0 |
| CDI |
0 |
0 |
0 |
25 |
179 |
450 |
119 |
28 |
| VCDI |
0 |
0 |
0 |
0 |
95 |
1496 |
8882 |
14650 |
|
...date precedes bulletin
|
Date: 2020-11-26:
| 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 |
1331 |
3111 |
34 |
87 |
0 |
0 |
0 |
0 |
| OW |
1 |
257 |
28 |
233 |
32 |
0 |
0 |
0 |
| VODI |
0 |
75 |
10 |
175 |
222 |
5 |
0 |
0 |
| ODI |
0 |
38 |
5 |
76 |
323 |
46 |
0 |
0 |
| CDI |
0 |
13 |
4 |
67 |
272 |
271 |
16 |
67 |
| VCDI |
0 |
0 |
0 |
38 |
278 |
2524 |
7026 |
15417 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1332 |
3119 |
52 |
171 |
9 |
0 |
0 |
0 |
| OW |
0 |
234 |
9 |
191 |
56 |
0 |
0 |
0 |
| VODI |
0 |
83 |
10 |
128 |
234 |
3 |
0 |
0 |
| ODI |
0 |
38 |
3 |
82 |
281 |
50 |
0 |
0 |
| CDI |
0 |
20 |
7 |
62 |
282 |
255 |
27 |
81 |
| VCDI |
0 |
0 |
0 |
42 |
265 |
2538 |
7015 |
15403 |
|
Date: 2020-11-28:
| 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 |
1612 |
2834 |
16 |
28 |
0 |
0 |
0 |
0 |
| OW |
1 |
380 |
38 |
224 |
0 |
0 |
0 |
0 |
| VODI |
0 |
122 |
11 |
266 |
126 |
6 |
0 |
0 |
| ODI |
0 |
74 |
5 |
100 |
308 |
53 |
0 |
0 |
| CDI |
0 |
32 |
3 |
72 |
383 |
235 |
18 |
7 |
| VCDI |
0 |
12 |
2 |
60 |
412 |
1965 |
7637 |
15040 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1613 |
2904 |
25 |
98 |
0 |
0 |
0 |
0 |
| OW |
0 |
307 |
24 |
176 |
3 |
0 |
0 |
0 |
| VODI |
0 |
119 |
14 |
266 |
144 |
5 |
0 |
0 |
| ODI |
0 |
69 |
7 |
76 |
305 |
48 |
0 |
0 |
| CDI |
0 |
37 |
3 |
65 |
415 |
218 |
22 |
6 |
| VCDI |
0 |
18 |
2 |
69 |
362 |
1988 |
7633 |
15041 |
|
Date: 2020-11-30:
| 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 |
1672 |
3207 |
17 |
38 |
0 |
0 |
0 |
0 |
| OW |
0 |
321 |
37 |
142 |
7 |
0 |
0 |
0 |
| VODI |
0 |
134 |
15 |
273 |
168 |
4 |
0 |
0 |
| ODI |
0 |
78 |
2 |
112 |
474 |
73 |
18 |
0 |
| CDI |
0 |
44 |
4 |
27 |
371 |
288 |
144 |
29 |
| VCDI |
0 |
31 |
5 |
17 |
207 |
3164 |
9292 |
11667 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1672 |
2862 |
17 |
41 |
0 |
0 |
0 |
0 |
| OW |
0 |
519 |
19 |
80 |
12 |
0 |
0 |
0 |
| VODI |
0 |
227 |
25 |
233 |
136 |
16 |
0 |
0 |
| ODI |
0 |
105 |
7 |
152 |
364 |
111 |
7 |
0 |
| CDI |
0 |
72 |
4 |
78 |
408 |
296 |
151 |
30 |
| VCDI |
0 |
30 |
8 |
25 |
307 |
3106 |
9296 |
11666 |
|
Date: 2020-12-02:
| 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 |
1814 |
2679 |
31 |
97 |
2 |
0 |
0 |
0 |
| OW |
0 |
431 |
23 |
177 |
18 |
0 |
0 |
0 |
| VODI |
0 |
235 |
13 |
245 |
159 |
11 |
0 |
0 |
| ODI |
0 |
75 |
1 |
46 |
310 |
109 |
35 |
6 |
| CDI |
0 |
63 |
2 |
36 |
246 |
511 |
112 |
13 |
| VCDI |
0 |
10 |
6 |
29 |
177 |
2109 |
8502 |
13749 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1808 |
2077 |
14 |
72 |
1 |
0 |
0 |
0 |
| OW |
6 |
697 |
24 |
79 |
24 |
2 |
0 |
0 |
| VODI |
0 |
424 |
26 |
252 |
134 |
19 |
0 |
0 |
| ODI |
0 |
161 |
4 |
140 |
236 |
116 |
8 |
0 |
| CDI |
0 |
97 |
2 |
54 |
372 |
421 |
127 |
14 |
| VCDI |
0 |
37 |
6 |
33 |
145 |
2182 |
8514 |
13754 |
|
Date: 2020-12-04:
| 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 |
1507 |
2256 |
26 |
72 |
3 |
0 |
0 |
0 |
| OW |
0 |
453 |
34 |
339 |
39 |
0 |
0 |
0 |
| VODI |
0 |
138 |
6 |
289 |
229 |
0 |
0 |
0 |
| ODI |
0 |
54 |
6 |
101 |
366 |
34 |
0 |
0 |
| CDI |
0 |
12 |
1 |
33 |
213 |
362 |
66 |
55 |
| VCDI |
0 |
4 |
0 |
4 |
133 |
1504 |
7809 |
15934 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1496 |
1750 |
10 |
52 |
4 |
0 |
0 |
0 |
| OW |
11 |
406 |
16 |
76 |
23 |
0 |
0 |
0 |
| VODI |
0 |
540 |
33 |
368 |
79 |
2 |
0 |
0 |
| ODI |
0 |
116 |
7 |
222 |
372 |
37 |
0 |
0 |
| CDI |
0 |
105 |
7 |
79 |
341 |
352 |
32 |
37 |
| VCDI |
0 |
0 |
0 |
41 |
164 |
1509 |
7843 |
15952 |
|
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